From nobody Mon Jul 1 05:41:28 2019 Return-Path: X-Original-To: ippm@ietf.org Delivered-To: ippm@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 10B0712009E; Mon, 1 Jul 2019 05:41:18 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: ippm@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.98.1 Auto-Submitted: auto-generated Precedence: bulk Reply-To: ippm@ietf.org Message-ID: <156198487799.5738.7890354663992142025@ietfa.amsl.com> Date: Mon, 01 Jul 2019 05:41:18 -0700 Archived-At: Subject: [ippm] I-D Action: draft-ietf-ippm-multipoint-alt-mark-02.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Jul 2019 12:41:18 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the IP Performance Measurement WG of the IETF. Title : Multipoint Alternate Marking method for passive and hybrid performance monitoring Authors : Giuseppe Fioccola Mauro Cociglio Amedeo Sapio Riccardo Sisto Filename : draft-ietf-ippm-multipoint-alt-mark-02.txt Pages : 20 Date : 2019-07-01 Abstract: The Alternate Marking method, as presented in RFC 8321 [RFC8321], can be applied only to point-to-point flows because it assumes that all the packets of the flow measured on one node are measured again by a single second node. This document aims to generalize and expand this methodology to measure any kind of unicast flows, whose packets can follow several different paths in the network, in wider terms a multipoint-to-multipoint network. For this reason the technique here described is called Multipoint Alternate Marking. Some definitions here introduced extend the scope of RFC 5644 [RFC5644] in the context of alternate marking schema. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ippm-multipoint-alt-mark/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-ippm-multipoint-alt-mark-02 https://datatracker.ietf.org/doc/html/draft-ietf-ippm-multipoint-alt-mark-02 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ippm-multipoint-alt-mark-02 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Jul 1 05:56:58 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 086ED1200A1; Mon, 1 Jul 2019 05:56:56 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.201 X-Spam-Level: X-Spam-Status: No, score=-4.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id k5km49HrUKMd; Mon, 1 Jul 2019 05:56:53 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7ED5112008D; Mon, 1 Jul 2019 05:56:53 -0700 (PDT) Received: from lhreml706-cah.china.huawei.com (unknown [172.18.7.107]) by Forcepoint Email with ESMTP id 39EB1E5405D93B81651F; Mon, 1 Jul 2019 13:56:51 +0100 (IST) Received: from LHREML507-MBS.china.huawei.com ([10.201.109.47]) by lhreml706-cah.china.huawei.com ([10.201.108.47]) with mapi id 14.03.0415.000; Mon, 1 Jul 2019 13:56:47 +0100 From: Giuseppe Fioccola To: "ippm@ietf.org" CC: IPPM Chairs , "draft-ietf-ippm-multipoint-alt-mark@ietf.org" Thread-Topic: [ippm] I-D Action: draft-ietf-ippm-multipoint-alt-mark-02.txt Thread-Index: AQHVMAqlq5xfR8LAZ0aLH0pWuD6inaa1tfaA Date: Mon, 1 Jul 2019 12:56:47 +0000 Message-ID: References: <156198487799.5738.7890354663992142025@ietfa.amsl.com> In-Reply-To: <156198487799.5738.7890354663992142025@ietfa.amsl.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.204.62.198] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: [ippm] FW: I-D Action: draft-ietf-ippm-multipoint-alt-mark-02.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Jul 2019 12:56:56 -0000 Dear All, This new version includes additional details regarding the Network Zooming = approach in Section 9 and a new example of application. Feedback and comments are always welcome, Look forward to seeing you in Montreal. Best Regards, Giuseppe -----Original Message----- From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of internet-drafts@ietf= .org Sent: Monday, July 1, 2019 2:41 PM To: i-d-announce@ietf.org Cc: ippm@ietf.org Subject: [ippm] I-D Action: draft-ietf-ippm-multipoint-alt-mark-02.txt A New Internet-Draft is available from the on-line Internet-Drafts director= ies. This draft is a work item of the IP Performance Measurement WG of the IETF. Title : Multipoint Alternate Marking method for passive a= nd hybrid performance monitoring Authors : Giuseppe Fioccola Mauro Cociglio Amedeo Sapio Riccardo Sisto Filename : draft-ietf-ippm-multipoint-alt-mark-02.txt Pages : 20 Date : 2019-07-01 Abstract: The Alternate Marking method, as presented in RFC 8321 [RFC8321], can be applied only to point-to-point flows because it assumes that all the packets of the flow measured on one node are measured again by a single second node. This document aims to generalize and expand this methodology to measure any kind of unicast flows, whose packets can follow several different paths in the network, in wider terms a multipoint-to-multipoint network. For this reason the technique here described is called Multipoint Alternate Marking. Some definitions here introduced extend the scope of RFC 5644 [RFC5644] in the context of alternate marking schema. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ippm-multipoint-alt-mark/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-ippm-multipoint-alt-mark-02 https://datatracker.ietf.org/doc/html/draft-ietf-ippm-multipoint-alt-mark-0= 2 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-ippm-multipoint-alt-mark-02 Please note that it may take a couple of minutes from the time of submissio= n until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ _______________________________________________ ippm mailing list ippm@ietf.org https://www.ietf.org/mailman/listinfo/ippm From nobody Mon Jul 1 08:07:25 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B49B9120128 for ; Mon, 1 Jul 2019 08:07:23 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.701 X-Spam-Level: X-Spam-Status: No, score=-2.701 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001] autolearn=unavailable autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=telecomitalia.it Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 646b00CUuEz3 for ; 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Mon, 1 Jul 2019 17:07:18 +0200 (CEST) From: Cociglio Mauro To: IPPM Chairs CC: IETF IPPM WG Thread-Topic: [IPPM] Presentation slot request: draft-cfb-ippm-spinbit-new-measurements-01 Thread-Index: AdUwHqgR+vgQcImVT2Gu55KNM5g9Rw== Date: Mon, 1 Jul 2019 15:07:17 +0000 Message-ID: <0328a907f48a42c7a8d2eebf1d6f3940@TELMBXA06RM001.telecomitalia.local> Accept-Language: it-IT, en-US Content-Language: it-IT X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.14.252.239] x-ti-disclaimer: Disclaimer1 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprAKsWRmVeSWpSXmKPExsXCxfdHSXeZolSswX0Ri9U7utkseh68Y3Zg 8liy5CdTAGNUA6NNYl5efkliSapCSmpxsq2SS2Zxck5iZm5qkUJIak5qcn6ukkJmiq2SsZJC QU5icmpual6JrVJiQUFqXoqSHZcCBrABKsvMU0jNS85PycxLt1XyDPbXtbAwtdQ1VLILLE0t LslXyE0tLk5MT8/MV0hNWC+Y8ffRLZaCeWwV7/eINzB2sHUxcnJICJhIdE7cCWRzcQgJTGWS mL5vOitIgk3ATOLMlmdgRSICahKnzm8Gs5kFFCQerWkCqxEWCJf4tvAJC0RNjETzji2MELae RMv05+wgNouAisSiS2vA4rwCgRLv/70CsxkFZCUm7F7ECDFTXOLF9BPsEAcJSCzZc54ZwhaV ePn4HyuEbSCxdek+FghbUeJp81QoW0Zi4ZHJQDUcQHM0Jdbv0ocYqSgxpfshO8RaQYmTM5+w TGAUmYVk2yyEjllIOmYh6VjAyLKKUTS3wsBYrwQSSZkliTmZiXqZJZsYgdF+c2Wl+A7G9pXO hxgFOBiVeHjPcUvFCrEmlhVX5h5ilOBgVhLh3b9CMlaINyWxsiq1KD++qDQntfgQow8wXCYy S4km5wMTUV5JvKGJhaWhsYWFkaGFmSkOYSVx3kl3gWYJpANTUXZqakFqEcw4Jg5OqQbGnh2G Z12t27f1nJG2aKuLCfO6zDP7UojctSnSlx/ztrPYL0+zSNI0f7Fm7oYX3jmPImpEc9S2zwuM viW8/P9+7YxsLt9jH6Sklou3zKr7XrrJx0o89eFCSUYbt4OKOp8lc3xD2PrPL3tz6hTXpYjc lU+eH4s+OGlB5flplbLJXiH3JHRvTBNXYinOSDTUYi4qTgQAGMFNZSMDAAA= Archived-At: Subject: [ippm] [IPPM] Presentation slot request: draft-cfb-ippm-spinbit-new-measurements-01 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Jul 2019 15:07:24 -0000 RGVhciBCcmlhbiwgVG9tbXksIGFuZCBCaWxsLA0Kd2UndmUgdXBkYXRlZCB0aGlzIGRyYWZ0 IGludHJvZHVjaW5nIGFsc28gYSB0d28tYml0IFBhY2tldCBMb3NzIE1lYXN1cmVtZW50Lg0K VGhpcyBuZXcgbWVhc3VyZW1lbnQgY291bGQgd29yayBpbiB0aGUgY2FzZSBvZiBhIGRpc2Fi bGVkIFNwaW4gQml0IGFuZCBpcyBSVFQgdG90YWxseSBpbmRlcGVuZGVudCAobm8gaW5mb3Jt YXRpb24gcmVsYXRlZCB0byB0aGUgUlRUIG9mIHRoZSBjb25uZWN0aW9uIGlzIHRyYW5zbWl0 dGVkIG9uIHRoZSB3aXJlKS4NCldlIG11Y2ggYXBwcmVjaWF0ZSB5b3VyIGtpbmQgY29uc2lk ZXJhdGlvbiBvZiBvdXIgcmVxdWVzdCBmb3IgYSBwcmVzZW50YXRpb24gc2xvdCBpbiBNb250 cmVhbC4NClRoYW5rcy4gDQpNYXVybw0KDQpfX19fX19fX19fX19fX19fX19fX18NCk1hdXJv IENvY2lnbGlvDQpUSU0gLSBUZWxlY29tIEl0YWxpYQ0KVmlhIEcuIFJlaXNzIFJvbW9saSwg Mjc0DQoxMDE0OCAtIFRvcmlubyAoSXRhbHkpDQpUZWwuOiArMzkwMTEyMjg1MDI4DQpNb2Jp bGU6ICszOTMzNTc2Njk3NTENCl9fX19fX19fX19fX19fX19fX19fXw0KDQpRdWVzdG8gbWVz c2FnZ2lvIGUgaSBzdW9pIGFsbGVnYXRpIHNvbm8gaW5kaXJpenphdGkgZXNjbHVzaXZhbWVu dGUgYWxsZSBwZXJzb25lIGluZGljYXRlLiBMYSBkaWZmdXNpb25lLCBjb3BpYSBvIHF1YWxz aWFzaSBhbHRyYSBhemlvbmUgZGVyaXZhbnRlIGRhbGxhIGNvbm9zY2VuemEgZGkgcXVlc3Rl IGluZm9ybWF6aW9uaSBzb25vIHJpZ29yb3NhbWVudGUgdmlldGF0ZS4gUXVhbG9yYSBhYmJp YXRlIHJpY2V2dXRvIHF1ZXN0byBkb2N1bWVudG8gcGVyIGVycm9yZSBzaWV0ZSBjb3J0ZXNl bWVudGUgcHJlZ2F0aSBkaSBkYXJuZSBpbW1lZGlhdGEgY29tdW5pY2F6aW9uZSBhbCBtaXR0 ZW50ZSBlIGRpIHByb3Z2ZWRlcmUgYWxsYSBzdWEgZGlzdHJ1emlvbmUsIEdyYXppZS4gDQoN ClRoaXMgZS1tYWlsIGFuZCBhbnkgYXR0YWNobWVudHMgaXMgY29uZmlkZW50aWFsIGFuZCBt YXkgY29udGFpbiBwcml2aWxlZ2VkIGluZm9ybWF0aW9uIGludGVuZGVkIGZvciB0aGUgYWRk cmVzc2VlKHMpIG9ubHkuIERpc3NlbWluYXRpb24sIGNvcHlpbmcsIHByaW50aW5nIG9yIHVz ZSBieSBhbnlib2R5IGVsc2UgaXMgdW5hdXRob3Jpc2VkLiBJZiB5b3UgYXJlIG5vdCB0aGUg aW50ZW5kZWQgcmVjaXBpZW50LCBwbGVhc2UgZGVsZXRlIHRoaXMgbWVzc2FnZSBhbmQgYW55 IGF0dGFjaG1lbnRzIGFuZCBhZHZpc2UgdGhlIHNlbmRlciBieSByZXR1cm4gZS1tYWlsLCBU aGFua3MuIA0KDQpSaXNwZXR0YSBsJ2FtYmllbnRlLiBOb24gc3RhbXBhcmUgcXVlc3RhIG1h aWwgc2Ugbm9uIMOoIG5lY2Vzc2FyaW8uDQo= From nobody Tue Jul 2 05:07:44 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4576912004A; 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Tue, 2 Jul 2019 13:07:27 +0100 From: Giuseppe Fioccola To: "ippm@ietf.org" CC: IPPM Chairs , Tianran Zhou , "draft-zhou-ippm-enhanced-alternate-marking@ietf.org" Thread-Topic: New Version Notification for draft-zhou-ippm-enhanced-alternate-marking-03.txt Thread-Index: AQHVMM2Nxzfc4cS2+US5eCHsHgQ7PKa3OaiQ Date: Tue, 2 Jul 2019 12:07:27 +0000 Message-ID: References: <156206866879.23904.13719800089305509032.idtracker@ietfa.amsl.com> In-Reply-To: <156206866879.23904.13719800089305509032.idtracker@ietfa.amsl.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.210.166.118] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: [ippm] FW: New Version Notification for draft-zhou-ippm-enhanced-alternate-marking-03.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Jul 2019 12:07:42 -0000 RGVhciBBbGwsDQpXZSBoYXZlIHJldmlzZWQgdGhlIGRyYWZ0IHRvIGdlbmVyYWxpemUgdGhlIGRl ZmluaXRpb24gb2YgYWx0ZXJuYXRlIG1hcmtpbmcgZGF0YSBmaWVsZHMsIGZvciBib3RoIGJhc2Ug YW5kIG11bHRpcG9pbnQgYXBwbGljYWJpbGl0eSBvZiB0aGUgbWV0aG9kLiBJbiBhZGRpdGlvbiB3 ZSBoYXZlIHJlcG9ydGVkIHRoZSBJbXBsZW1lbnRhdGlvbiBTdGF0dXMgYW5kIHNvbWUgY29uc2lk ZXJhdGlvbnMgYWJvdXQgUEJUIGFuZCBJT0FNLg0KDQpGZWVkYmFjayBhbmQgY29tbWVudHMgYXJl IGFsd2F5cyB3ZWxjb21lLA0KDQpCZXN0IFJlZ2FyZHMsDQoNCkdpdXNlcHBlIGFuZCBUaWFucmFu DQoNCg0KLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCkZyb206IGludGVybmV0LWRyYWZ0c0Bp ZXRmLm9yZyBbbWFpbHRvOmludGVybmV0LWRyYWZ0c0BpZXRmLm9yZ10gDQpTZW50OiBUdWVzZGF5 LCBKdWx5IDIsIDIwMTkgMTo1OCBQTQ0KVG86IFpoZW5xaWFuZyBMaSA8bGl6aGVucWlhbmdAY2hp bmFtb2JpbGUuY29tPjsgTGl6aGVuYmluIDxsaXpoZW5iaW5AaHVhd2VpLmNvbT47IFRpYW5yYW4g WmhvdSA8emhvdXRpYW5yYW5AaHVhd2VpLmNvbT47IE1hdXJvIENvY2lnbGlvIDxtYXVyby5jb2Np Z2xpb0B0ZWxlY29taXRhbGlhLml0PjsgR2l1c2VwcGUgRmlvY2NvbGEgPGdpdXNlcHBlLmZpb2Nj b2xhQGh1YXdlaS5jb20+OyBTaGlueW91bmcgTGVlIDxsZWVzeUBsZ3VwbHVzLmNvLmtyPg0KU3Vi amVjdDogTmV3IFZlcnNpb24gTm90aWZpY2F0aW9uIGZvciBkcmFmdC16aG91LWlwcG0tZW5oYW5j ZWQtYWx0ZXJuYXRlLW1hcmtpbmctMDMudHh0DQoNCg0KQSBuZXcgdmVyc2lvbiBvZiBJLUQsIGRy YWZ0LXpob3UtaXBwbS1lbmhhbmNlZC1hbHRlcm5hdGUtbWFya2luZy0wMy50eHQNCmhhcyBiZWVu IHN1Y2Nlc3NmdWxseSBzdWJtaXR0ZWQgYnkgR2l1c2VwcGUgRmlvY2NvbGEgYW5kIHBvc3RlZCB0 byB0aGUgSUVURiByZXBvc2l0b3J5Lg0KDQpOYW1lOgkJZHJhZnQtemhvdS1pcHBtLWVuaGFuY2Vk LWFsdGVybmF0ZS1tYXJraW5nDQpSZXZpc2lvbjoJMDMNClRpdGxlOgkJRW5oYW5jZWQgQWx0ZXJu YXRlIE1hcmtpbmcgTWV0aG9kDQpEb2N1bWVudCBkYXRlOgkyMDE5LTA3LTAyDQpHcm91cDoJCUlu ZGl2aWR1YWwgU3VibWlzc2lvbg0KUGFnZXM6CQk4DQpVUkw6ICAgICAgICAgICAgaHR0cHM6Ly93 d3cuaWV0Zi5vcmcvaW50ZXJuZXQtZHJhZnRzL2RyYWZ0LXpob3UtaXBwbS1lbmhhbmNlZC1hbHRl cm5hdGUtbWFya2luZy0wMy50eHQNClN0YXR1czogICAgICAgICBodHRwczovL2RhdGF0cmFja2Vy LmlldGYub3JnL2RvYy9kcmFmdC16aG91LWlwcG0tZW5oYW5jZWQtYWx0ZXJuYXRlLW1hcmtpbmcv DQpIdG1saXplZDogICAgICAgaHR0cHM6Ly90b29scy5pZXRmLm9yZy9odG1sL2RyYWZ0LXpob3Ut aXBwbS1lbmhhbmNlZC1hbHRlcm5hdGUtbWFya2luZy0wMw0KSHRtbGl6ZWQ6ICAgICAgIGh0dHBz Oi8vZGF0YXRyYWNrZXIuaWV0Zi5vcmcvZG9jL2h0bWwvZHJhZnQtemhvdS1pcHBtLWVuaGFuY2Vk LWFsdGVybmF0ZS1tYXJraW5nDQpEaWZmOiAgICAgICAgICAgaHR0cHM6Ly93d3cuaWV0Zi5vcmcv cmZjZGlmZj91cmwyPWRyYWZ0LXpob3UtaXBwbS1lbmhhbmNlZC1hbHRlcm5hdGUtbWFya2luZy0w Mw0KDQpBYnN0cmFjdDoNCiAgIFRoaXMgZG9jdW1lbnQgZGVmaW5lcyBkYXRhIGZpZWxkcyBmb3Ig dGhlIGFsdGVybmF0ZSBtYXJraW5nIHdpdGgNCiAgIGVub3VnaCBzcGFjZS4gIE1vcmUgaW5mb3Jt YXRpb24gY2FuIGJlIGNvbnNpZGVyZWQgd2l0aGluIHRoZQ0KICAgYWx0ZXJuYXRlIG1hcmtpbmcg ZmllbGQgdG8gZmFjaWxpdGF0ZSB0aGUgZWZmaWNpZW5jeSBhbmQgZWFzZSB0aGUNCiAgIGRlcGxv eW1lbnQuDQoNCg0KICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIA0KDQoNClBsZWFzZSBub3RlIHRo YXQgaXQgbWF5IHRha2UgYSBjb3VwbGUgb2YgbWludXRlcyBmcm9tIHRoZSB0aW1lIG9mIHN1Ym1p c3Npb24gdW50aWwgdGhlIGh0bWxpemVkIHZlcnNpb24gYW5kIGRpZmYgYXJlIGF2YWlsYWJsZSBh dCB0b29scy5pZXRmLm9yZy4NCg0KVGhlIElFVEYgU2VjcmV0YXJpYXQNCg0K From nobody Tue Jul 2 09:03:05 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 82DF51200FB; 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boundary="Apple-Mail=_D372CFED-85D3-4FBA-9FB0-FA3200E69856" MIME-version: 1.0 (Mac OS X Mail 12.4 \(3445.104.2\)) Message-id: <4D3F73B1-EE46-43A6-B9BD-E251E0DDA14C@apple.com> Date: Tue, 02 Jul 2019 09:02:22 -0700 Cc: IPPM Chairs To: IETF IPPM WG X-Mailer: Apple Mail (2.3445.104.2) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-02_08:, , signatures=0 Archived-At: Subject: [ippm] Presentation Requests for IETF 105 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Jul 2019 16:03:04 -0000 --Apple-Mail=_D372CFED-85D3-4FBA-9FB0-FA3200E69856 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Hello IPPM, We're putting together our agenda for IPPM at IETF 105; we have a 2-hour = slot from 13:30-15:30 on Wednesday. We'll spend the beginning of the = meeting on updates to existing Working Group documents, as well as = individual drafts that have been discussed on the list in the past few = months. We'll have about 30 minutes for short (5-minute or less) = lightning talks. Please send an email to the chairs if you would like to present a = lightning talk at IETF 105 by Friday, July 5. Thanks! Tommy, Brian, and Bill= --Apple-Mail=_D372CFED-85D3-4FBA-9FB0-FA3200E69856 Content-Transfer-Encoding: 7bit Content-Type: text/html; charset=us-ascii Hello IPPM,

We're putting together our agenda for IPPM at IETF 105; we have a 2-hour slot from 13:30-15:30 on Wednesday. We'll spend the beginning of the meeting on updates to existing Working Group documents, as well as individual drafts that have been discussed on the list in the past few months. We'll have about 30 minutes for short (5-minute or less) lightning talks.

Please send an email to the chairs if you would like to present a lightning talk at IETF 105 by Friday, July 5.

Thanks!
Tommy, Brian, and Bill
--Apple-Mail=_D372CFED-85D3-4FBA-9FB0-FA3200E69856-- From nobody Tue Jul 2 09:58:15 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 44887120680 for ; Tue, 2 Jul 2019 09:58:13 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=quantonium-net.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8HeA-VH-mq0e for ; Tue, 2 Jul 2019 09:58:11 -0700 (PDT) Received: from mail-wm1-x336.google.com (mail-wm1-x336.google.com [IPv6:2a00:1450:4864:20::336]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 48D7E120438 for ; Tue, 2 Jul 2019 09:58:11 -0700 (PDT) Received: by mail-wm1-x336.google.com with SMTP id c6so1833453wml.0 for ; Tue, 02 Jul 2019 09:58:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quantonium-net.20150623.gappssmtp.com; s=20150623; h=mime-version:from:date:message-id:subject:to; bh=Dis79vjBXIoYwPSXQR/TEHuuFTlOuGoH+zBd6yc2m4k=; b=oq/CZe29KTSjF1a9o9vwgtz/nMPDQrcNQ2sU5sncbDDg3z6lGxgj2gS4oaGviYmd5g H3WOuoTckJG+L+M8/1U3r5iMr6N9H94IkFenaQ9taX9kouZi1fggkD+Nm2yZcv3bY6vi evDkOq9qEEjSP9joj0fFBWpyUe5jXBJ9br7WsR3BLPMfUdXcqmoQlLnjuMg/U5JmDbK9 VyZj3UK+3FcakseVLnm417JOnHkmxm7+zh2tgf5GD9ISprO1sWdqAzZGY94Cbe0H51mi +s98/D3GQlvfa2GhMZ7Xj8luzNgpha/X6EISqi7vIq0jCb2nM1ukmygW0+UBu6ClN5MT y7sw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=Dis79vjBXIoYwPSXQR/TEHuuFTlOuGoH+zBd6yc2m4k=; b=B31nr7kmQe7NHT+GA+1Bt7sD7toxQmfHMPOuIuCvudQt+ZO+eWXqiHZrXQYAVh1bJd Ctge0sdO6EAIKcrLXzncK+DG8/YlOiFGsIM2Ta55o4rXWJYHqCD3u49eRungu31NL0Ld XMvggL2y70OQqp4FqifobAlBzdBdGIA2+s4xBHyQIh8ojGOtBPmPklphp5nUh0b+CgjN ll6JhEcBVya2Et/B/Q/SuvqnUDeNtOAnN/hD5Aud+8aBPPDCWY8rCDhMFLUXpQ8ntMON /CRy/DWD9CC+aeSgTOAMekokQh3BiZyvMkcTyOM99+Xg8F7erganDD10ZcrfOvTbZU9e LyJQ== X-Gm-Message-State: APjAAAV/cfmeGICR8ut8I1ZZsJ+hsjt4TUMUiTgUHn7JmcUsOgO/bPFN 7XFQ5KBP/yqcBKXJZqm3MJAwwfRIwMXuqLftPoOtTdpL X-Google-Smtp-Source: APXvYqwncZaR6SN66Z7IMIhIOc0TsaFxrURcrR54rt9DgJiFrfJomm3KN6yt7U+VggD3t0MfxUBgXWDcrWTMiRe2FJM= X-Received: by 2002:a1c:751a:: with SMTP id o26mr3999850wmc.13.1562086689291; Tue, 02 Jul 2019 09:58:09 -0700 (PDT) MIME-Version: 1.0 From: Tom Herbert Date: Tue, 2 Jul 2019 09:57:58 -0700 Message-ID: To: ippm@ietf.org Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: [ippm] IOAM hackathon project for IETF 105 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Jul 2019 16:58:13 -0000 Hello, I have proposed a hackathon project at IETF 105 to implement IOAM options as described in draft-ioametal-ippm-6man-ioam-ipv6-options-02. If you are intersted in contributing, please let me know! Hackathon description: IOAM IPv6 options Champion(s) Tom Herbert (tom@quantonium.net) - onsite Project(s) Goal is to demonstrate use of IPv6 IOAM option (as an experimental option). This could be creating a client application, such as UDP ping, that sends an IOAM option, routers that receive and set measurment data in the option, a peer node that reflects the option, and measurements are reported by the receiving client. https://tools.ietf.org/html/draft-ioametal-ippm-6man-ioam-ipv6-options-02 https://tools.ietf.org/html/draft-herbert-6man-exp-opts-00 Thanks, Tom From nobody Wed Jul 3 07:32:31 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C0BA61202BB; Wed, 3 Jul 2019 07:32:29 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.997 X-Spam-Level: X-Spam-Status: No, score=-1.997 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id z41PcgAv-RCw; Wed, 3 Jul 2019 07:32:28 -0700 (PDT) Received: from mail-lf1-x131.google.com (mail-lf1-x131.google.com [IPv6:2a00:1450:4864:20::131]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id AEA921202A9; Wed, 3 Jul 2019 07:32:27 -0700 (PDT) Received: by mail-lf1-x131.google.com with SMTP id j29so1924986lfk.10; Wed, 03 Jul 2019 07:32:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=oQp8yNjruwwhFr/vj+QaQS1YkmLySSqThvhWxOePC9c=; b=gpUwY8Qw9gxe+PkmrzmREzXPyYRzeWP6i2TFPOpIqibr1izQiehwkBfmysYeqsIwJu 38+24W4cJxRlu6Ajc2P4mtmS10JvCwBvR3vVHdFRr9MexclTMNUdUAgqcqWsCOK/JMcQ 5z9N3KKuIUrMCXIhRBZVFyBl2ylkGuAzNb+tKlN0hf2HG/bEskA7yvw3tISGZVsBEQUb gw503IQsz0CD/3fgBDHc5BudYVzANvIAhN5xs0DQRUcxKIYf8oERqp76cNmGOiex4jUo XgxcxZ2+GyajDBaStBQ+3jsuiv81Jj9wRmDpV2Ur4IqQB5p6nZTmjDlC8gyGbQg+sszR QObw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=oQp8yNjruwwhFr/vj+QaQS1YkmLySSqThvhWxOePC9c=; b=HCUlhTu1me/QRszqWj2X2LTzUYV9REd3yjAWMDtE0fExRD6JzAfxi7mQgsBYMMXCVv l/TRti9FO5OTwJSHhhYWRTPKokejflcN97BTVCcOj0IiI8xorOmkr/PMMgiobaP99ff0 hsMqMq39T9vrz+IL6tjm9GifmFlo1W/rw3M9DSZrxxPA1GEI1CMeCwgTVnoXgb+tsQIu qvtoYHGDBHEWtz1+JgpFm2HqIubh8AxGRFtDAZWvpdc/pO2QqyOBydYtfLsgPqnoX+ek yAJHWz0/+DoLTByZvdT7oQ+pYmWtekHtF8ch59sG85rJQKymvgXr7ijJZWAM+e6dbsMV eWXg== X-Gm-Message-State: APjAAAVl8/w2zGF21vBhQm+rEV3cOcZHdCXC2shGbQap9TNhNg6Yaebh bn4zYfIVQTBmHSK4mmkij5MgNMzvRXZKaMf2H1M= X-Google-Smtp-Source: APXvYqxaa7JAKJXDiTtJZjcJBJyt1HKt7PEgURvF/uKt4BUjENwBqQZ2+hKYog+hOHvUC0UXXFQLw1XXmL1opoxxluE= X-Received: by 2002:a05:6512:24a:: with SMTP id b10mr18615275lfo.37.1562164345850; Wed, 03 Jul 2019 07:32:25 -0700 (PDT) MIME-Version: 1.0 References: <4D3F73B1-EE46-43A6-B9BD-E251E0DDA14C@apple.com> In-Reply-To: <4D3F73B1-EE46-43A6-B9BD-E251E0DDA14C@apple.com> From: Greg Mirsky Date: Wed, 3 Jul 2019 07:32:14 -0700 Message-ID: To: Tommy Pauly Cc: IETF IPPM WG , IPPM Chairs Content-Type: multipart/alternative; boundary="000000000000ea4f0a058cc7ba9f" Archived-At: Subject: Re: [ippm] Presentation Requests for IETF 105 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Jul 2019 14:32:30 -0000 --000000000000ea4f0a058cc7ba9f Content-Type: text/plain; charset="UTF-8" Dear Tommy, Bill, and Brian, much appreciate the opportunity to present recent updates to STAMP Optional Extensions at the meeting. draft-mirsky-ippm-stamp-option-tlv Presenter: Greg Mirsky Time: 15 min Regards, Greg On Tue, Jul 2, 2019 at 9:03 AM Tommy Pauly wrote: > Hello IPPM, > > We're putting together our agenda for IPPM at IETF 105; we have a 2-hour > slot from 13:30-15:30 on Wednesday. We'll spend the beginning of the > meeting on updates to existing Working Group documents, as well as > individual drafts that have been discussed on the list in the past few > months. We'll have about 30 minutes for short (5-minute or less) lightning > talks. > > Please send an email to the chairs if you would like to present a > lightning talk at IETF 105 by *Friday, July 5*. > > Thanks! > Tommy, Brian, and Bill > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm > --000000000000ea4f0a058cc7ba9f Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Dear Tommy, Bill, and Brian,
much appreciate the oppor= tunity to present recent updates to STAMP Optional Extensions=C2= =A0at the meeting.

draft-mirsky-ippm-stamp-option-= tlv=C2=A0 =C2=A0Presenter: Greg Mirsky=C2=A0 =C2=A0 =C2=A0Time: 15 min
<= /div>

Regards,
Greg

On Tue, Jul 2, 2019 = at 9:03 AM Tommy Pauly <tpauly=3D40apple.com@dmarc.ietf.org> wrote:
= Hello IPPM,

We're putting together our agenda for IP= PM at IETF 105; we have a 2-hour slot from 13:30-15:30 on Wednesday. We'= ;ll spend the beginning of the meeting on updates to existing Working Group= documents, as well as individual drafts that have been discussed on the li= st in the past few months. We'll have about 30 minutes for short (5-min= ute or less) lightning talks.

Please send an email= to the chairs if you would like to present a lightning talk at IETF 105 by= Friday, July 5.

Thanks!
Tommy, B= rian, and Bill
_______________________________________________ ippm mailing list
ippm@ietf.org
https://www.ietf.org/mailman/listinfo/ippm
--000000000000ea4f0a058cc7ba9f-- From nobody Wed Jul 3 18:52:21 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BAE32120671; Wed, 3 Jul 2019 18:52:14 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.199 X-Spam-Level: X-Spam-Status: No, score=-4.199 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id xw-Xg9DmjGYU; Wed, 3 Jul 2019 18:52:11 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6FF1D12010F; Wed, 3 Jul 2019 18:52:11 -0700 (PDT) Received: from lhreml707-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id B1C0BB5C2CAEAAAD0DA0; Thu, 4 Jul 2019 02:52:09 +0100 (IST) Received: from NKGEML413-HUB.china.huawei.com (10.98.56.74) by lhreml707-cah.china.huawei.com (10.201.108.48) with Microsoft SMTP Server (TLS) id 14.3.408.0; Thu, 4 Jul 2019 02:52:08 +0100 Received: from NKGEML515-MBS.china.huawei.com ([169.254.5.134]) by NKGEML413-HUB.china.huawei.com ([10.98.56.74]) with mapi id 14.03.0415.000; Thu, 4 Jul 2019 09:51:58 +0800 From: Tianran Zhou To: Tommy Pauly , IETF IPPM WG CC: IPPM Chairs Thread-Topic: [ippm] Presentation Requests for IETF 105 Thread-Index: AQHVMO+6oLvxtpTvGE69IG880/HV1qa5sWrQ Date: Thu, 4 Jul 2019 01:51:58 +0000 Message-ID: References: <4D3F73B1-EE46-43A6-B9BD-E251E0DDA14C@apple.com> In-Reply-To: <4D3F73B1-EE46-43A6-B9BD-E251E0DDA14C@apple.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.111.156.116] Content-Type: multipart/alternative; boundary="_000_BBA82579FD347748BEADC4C445EA0F21BEE77079NKGEML515MBSchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [ippm] Presentation Requests for IETF 105 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Jul 2019 01:52:19 -0000 --_000_BBA82579FD347748BEADC4C445EA0F21BEE77079NKGEML515MBSchi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Chairs, I would like to request a presentation on the PBT draft. Postcard-based On-Path Flow Data Telemetry https://datatracker.ietf.org/doc/draft-song-ippm-postcard-based-telemetry/ 10 min is good for us. Thanks, Tianran From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Tommy Pauly Sent: Wednesday, July 03, 2019 12:02 AM To: IETF IPPM WG Cc: IPPM Chairs Subject: [ippm] Presentation Requests for IETF 105 Hello IPPM, We're putting together our agenda for IPPM at IETF 105; we have a 2-hour sl= ot from 13:30-15:30 on Wednesday. We'll spend the beginning of the meeting = on updates to existing Working Group documents, as well as individual draft= s that have been discussed on the list in the past few months. We'll have a= bout 30 minutes for short (5-minute or less) lightning talks. Please send an email to the chairs if you would like to present a lightning= talk at IETF 105 by Friday, July 5. Thanks! Tommy, Brian, and Bill --_000_BBA82579FD347748BEADC4C445EA0F21BEE77079NKGEML515MBSchi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Chairs,

 

I would like to request a presentation on the= PBT draft.

Postcard-based On-Path Flow Data Telemetry

https://datatracker.ietf.org/doc/= draft-song-ippm-postcard-based-telemetry/

 

10 min is good for us.

 

Thanks,

Tianran

 

From: = ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Tommy Pauly
Sent: Wednesday, July 03, 2019 12:02 AM
To: IETF IPPM WG <ippm@ietf.org>
Cc: IPPM Chairs <ippm-chairs@ietf.org>
Subject: [ippm] Presentation Requests for IETF 105=

 

Hello IPPM,

 

We're putting together our agen= da for IPPM at IETF 105; we have a 2-hour slot from 13:30-15:30 on Wednesda= y. We'll spend the beginning of the meeting on updates to existing Working = Group documents, as well as individual drafts that have been discussed on the list in the past few months. We'll = have about 30 minutes for short (5-minute or less) lightning talks.

 

Please send an email to the cha= irs if you would like to present a lightning talk at IETF 105 by Friday, July 5.

 

Thanks!

Tommy, Brian, and Bill

--_000_BBA82579FD347748BEADC4C445EA0F21BEE77079NKGEML515MBSchi_-- From nobody Thu Jul 4 03:35:09 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4A95A12004D; Thu, 4 Jul 2019 03:35:06 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.298 X-Spam-Level: X-Spam-Status: No, score=-4.298 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=telekom.de Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 6AOXS-KsH875; Thu, 4 Jul 2019 03:35:05 -0700 (PDT) Received: from mailout21.telekom.de (mailout21.telekom.de [194.25.225.215]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 93CAD120018; 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Thu, 4 Jul 2019 07:56:22 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: ippm@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.98.2 Auto-Submitted: auto-generated Precedence: bulk Reply-To: ippm@ietf.org Message-ID: <156225218230.12003.267790203729726578@ietfa.amsl.com> Date: Thu, 04 Jul 2019 07:56:22 -0700 Archived-At: Subject: [ippm] I-D Action: draft-ietf-ippm-ioam-data-06.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Jul 2019 14:56:23 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the IP Performance Measurement WG of the IETF. Title : Data Fields for In-situ OAM Authors : Frank Brockners Shwetha Bhandari Carlos Pignataro Hannes Gredler John Leddy Stephen Youell Tal Mizrahi David Mozes Petr Lapukhov Remy Chang Daniel Bernier John Lemon Filename : draft-ietf-ippm-ioam-data-06.txt Pages : 40 Date : 2019-07-04 Abstract: In-situ Operations, Administration, and Maintenance (IOAM) records operational and telemetry information in the packet while the packet traverses a path between two points in the network. This document discusses the data fields and associated data types for in-situ OAM. In-situ OAM data fields can be embedded into a variety of transports such as NSH, Segment Routing, Geneve, native IPv6 (via extension header), or IPv4. In-situ OAM can be used to complement OAM mechanisms based on e.g. ICMP or other types of probe packets. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ippm-ioam-data/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-ippm-ioam-data-06 https://datatracker.ietf.org/doc/html/draft-ietf-ippm-ioam-data-06 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ippm-ioam-data-06 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Thu Jul 4 11:21:51 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1A5A9120156 for ; Thu, 4 Jul 2019 11:21:49 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.499 X-Spam-Level: X-Spam-Status: No, score=-14.499 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com header.b=G8wy8yoH; dkim=pass (1024-bit key) header.d=cisco.onmicrosoft.com header.b=OiBlRtez Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Lpn17NZaL-Tc for ; 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a=rsa-sha256; c=relaxed/relaxed; d=cisco.onmicrosoft.com; s=selector2-cisco-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=4vfDAYMFYuU2pkdRBCQzyXcITz7zcWW+Heo0egqjPoo=; b=OiBlRtezZuyr5MKelQvmWp6b6qe1nd+pz3FUen4O5yJNOew9IaBu2LRfKSg+HWoOTiZIOPXpRZ7rcVvKcTypDZfGtICTKA0EHYMLf17JW+vwgSJZ8Lyw3ehrIjDyhA6SOryYUBxrkToFlhFv7q6xH2PvAFGquQQStoxT5of3cqA= Received: from MN2PR11MB3629.namprd11.prod.outlook.com (20.178.252.31) by MN2PR11MB3696.namprd11.prod.outlook.com (20.178.253.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2032.20; Thu, 4 Jul 2019 18:21:42 +0000 Received: from MN2PR11MB3629.namprd11.prod.outlook.com ([fe80::a0a4:d8ed:d942:86fd]) by MN2PR11MB3629.namprd11.prod.outlook.com ([fe80::a0a4:d8ed:d942:86fd%4]) with mapi id 15.20.2032.019; Thu, 4 Jul 2019 18:21:42 +0000 From: "Frank Brockners (fbrockne)" To: "ippm@ietf.org" Thread-Topic: draft-ietf-ippm-ioam-data and a new draft for IOAM flags Thread-Index: AdUylCYVrsvRvlcmSe+4uK422z4Y9A== Date: Thu, 4 Jul 2019 18:21:42 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=fbrockne@cisco.com; 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DIR:OUT; SFP:1101; SCL:1; SRVR:MN2PR11MB3696; H:MN2PR11MB3629.namprd11.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: cisco.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 2skrcYNWUrH7+SmoPikdFKKF7pELt/Um6sI7Lv2brIfHkQ05C9fRBgmobGrXj0ClveSu9EpRjoDWDS4y8Z5zxdeCaPRz+tGmiqdTdTjBXLXj5UPW7WPumEvAXWZH+wQqk/0pqi01wjDkxJlbXcZjBrL2TFm1hEG4OO9+KlaeXnmwRSk2iBD45ZnrNjY9Pxmg3cc5itxSQ0R1k65f2fY4pkXz8FqEyvaxJ4hp5nE1jFoDLkCAEGuaFJCvsSDQiI4fJ/fgjN+Q7AcMBT0StLc3FTMzIxWkicgtVrq9Dg7bThG7+/yMnpBtKx8qOeY4ZFYjEyMVS31oQfqDKUlrAHsfxFW7PEYTR7bSrPWakKesqiSUiWgSxXeujkNF4ssBsJm2pGUm1HY1XnPpL+TiwIzkubSZOeTZ2T9WttC1wHH3I6M= Content-Type: multipart/alternative; boundary="_000_MN2PR11MB3629C8C5084B57ABE3B67E16DAFA0MN2PR11MB3629namp_" MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 60d79097-9ce7-42db-d477-08d700ac7723 X-MS-Exchange-CrossTenant-originalarrivaltime: 04 Jul 2019 18:21:42.8476 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: fbrockne@cisco.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR11MB3696 X-OriginatorOrg: cisco.com X-Outbound-SMTP-Client: 173.36.7.28, xch-aln-018.cisco.com X-Outbound-Node: alln-core-1.cisco.com Archived-At: Subject: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Jul 2019 18:21:49 -0000 --_000_MN2PR11MB3629C8C5084B57ABE3B67E16DAFA0MN2PR11MB3629namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Back in the IPPM WG meeting in Prague, Tommy concluded on the discussion of= draft-ietf-ippm-ioam-data-05, that we should "separate the flag discussion= into separate drafts and then fold it into the data draft based on WG con= sensus." (see IPPM minutes https://datatracker.ietf.org/meeting/104/materials/minutes-104-ippm-00). Un= fortunately it took a bit longer than expected but today two new documents = were published following Tommy's conclusion: https://tools.ietf.org/html/draft-mizrahi-ippm-ioam-flags-00 https://tools.ietf.org/html/draft-ietf-ippm-ioam-data-06 draft-mizrahi-ippm-ioam-flags-00 is a new document which provides the descr= iption of those flags that describe IOAM behavior not immediately associate= d to updating the IOAM data fields, i.e. the new draft took the text relate= d to flags from the draft-ietf-ippm-ioam-data. draft-ietf-ippm-ioam-data-06= is the associated update to the -05 version with the description of the fl= ags removed. With the -00 draft cut off still a few days away, it would be great to get = comments on the split and even more so on the new ioam-flags draft, so that= we could create a rev before the cut off (if required) and then try to clo= se the discussion in Montreal. Thanks much, Frank --_000_MN2PR11MB3629C8C5084B57ABE3B67E16DAFA0MN2PR11MB3629namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Back in the IPPM WG meeting in Prague, Tommy conclud= ed on the discussion of draft-ietf-ippm-ioam-data-05, that we should “= ;separate the flag discussion into separate drafts and  then fold it i= nto the data draft based on WG consensus.” (see IPPM minutes

https://datatracker.ietf.org/meeting/104/mat= erials/minutes-104-ippm-00). Unfortunately it took a bit longer than ex= pected but today two new documents were published following Tommy’s conclusion:

 

https://tools.ietf.org/html/draft-mizrahi-ippm-ioam-fl= ags-00

https://tools.ietf.org/html/draft-ietf-ippm-ioam-data-06

 

draft-mizrahi-ippm-ioam-flags-00 is a new document w= hich provides the description of those flags that describe IOAM behavior no= t immediately associated to updating the IOAM data fields, i.e. the new dra= ft took the text related to flags from the draft-ietf-ippm-ioam-data. draft-ietf-ippm-ioam-data-06 is the as= sociated update to the -05 version with the description of the flags remove= d.

 

With the -00 draft cut off still a few days away, it= would be great to get comments on the split and even more so on the new io= am-flags draft, so that we could create a rev before the cut off (if requir= ed) and then try to close the discussion in Montreal.

 

Thanks much, Frank

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DIR:OUT; SFP:1101; SCL:1; SRVR:MN2PR11MB4253; H:MN2PR11MB3629.namprd11.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: cisco.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: aUiz95lWmrJTsWEs1Ne1hnA881UyJ1TQ3XYg1HYzseR8jnTsFkgf0P7Cgb0kVNs8h64fct1tgvkO6oJk3CPgyfyG9GIyTkGAvmxMgOz17rykjo8s+Ts0B8C/GKqrNZC3UXkr58mDFrsmd/z4u63MI2UjT59AJr1AIDMo8s0OflqF/STc9J61M+i4lA+msy/NqRjgx66uA6+/2Ed/H9mYqQzvZ+pUEzAnQM7SgA3vEAV0M+oRdhNJdDfm/w00cd5GfpM6+3ECLnyAoBL6BZS8e3pP+qrfVwdAjSzrA5B4YhCR16dB1H0twiuP+4VrrDB3bUReskd15JE+5TW+IZ3xgx5SLITDnoSsoFgboNAz/8ZkrqsIHT9elLxvyAJaV4OLptoV1w9LSZ0UlgEnqcXt/hgdUIIP0Kc6Rpj28brGKr4= Content-Type: multipart/alternative; boundary="_000_MN2PR11MB3629DD628EF47C39BD2C9B31DAFA0MN2PR11MB3629namp_" MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 308f3b93-4f08-4a22-94c0-08d700ad463e X-MS-Exchange-CrossTenant-originalarrivaltime: 04 Jul 2019 18:27:30.2663 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: fbrockne@cisco.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR11MB4253 X-OriginatorOrg: cisco.com X-Outbound-SMTP-Client: 173.36.7.11, xch-aln-001.cisco.com X-Outbound-Node: rcdn-core-10.cisco.com Archived-At: Subject: Re: [ippm] Presentation Requests for IETF 105 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Jul 2019 18:27:43 -0000 --_000_MN2PR11MB3629DD628EF47C39BD2C9B31DAFA0MN2PR11MB3629namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Tommy, Brian, and Bill, It would be nice if we could get a 20min slot on IOAM to cover * draft-ietf-ippm-ioam-data * draft-mizrahi-ippm-ioam-flags (I'm hoping that we can discuss this draft = in the context of the updates to draft-ietf-ippm-ioam-data rather than as a= lightening talk, because draft-mizrahi-ippm-ioam-flags is a direct result = of the discussion and recommendation from the last WG meeting) * Summary update to the various IOAM encapsulation drafts Thanks, Frank From: ippm On Behalf Of Tommy Pauly Sent: Dienstag, 2. Juli 2019 18:02 To: IETF IPPM WG Cc: IPPM Chairs Subject: [ippm] Presentation Requests for IETF 105 Hello IPPM, We're putting together our agenda for IPPM at IETF 105; we have a 2-hour sl= ot from 13:30-15:30 on Wednesday. We'll spend the beginning of the meeting = on updates to existing Working Group documents, as well as individual draft= s that have been discussed on the list in the past few months. We'll have a= bout 30 minutes for short (5-minute or less) lightning talks. Please send an email to the chairs if you would like to present a lightning= talk at IETF 105 by Friday, July 5. Thanks! Tommy, Brian, and Bill --_000_MN2PR11MB3629DD628EF47C39BD2C9B31DAFA0MN2PR11MB3629namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Tommy, Brian, and Bill,

 

It would be nice if we could get a 20min slot on IOA= M to cover

 

* draft-ietf-ippm-ioam-data

* draft-mizrahi-ippm-ioam-flags (I’m hoping th= at we can discuss this draft in the context of the updates to draft-ietf-ip= pm-ioam-data rather than as a lightening talk, because draft-mizrahi-ippm-i= oam-flags is a direct result of the discussion and recommendation from the last WG meeting)

* Summary update to the various IOAM encapsulation d= rafts

 

Thanks, Frank

 

From: ippm <ippm-bounces@ietf.org> O= n Behalf Of Tommy Pauly
Sent: Dienstag, 2. Juli 2019 18:02
To: IETF IPPM WG <ippm@ietf.org>
Cc: IPPM Chairs <ippm-chairs@ietf.org>
Subject: [ippm] Presentation Requests for IETF 105

 

Hello IPPM,

 

We're putting together our agenda for IPPM at IETF 1= 05; we have a 2-hour slot from 13:30-15:30 on Wednesday. We'll spend the be= ginning of the meeting on updates to existing Working Group documents, as w= ell as individual drafts that have been discussed on the list in the past few months. We'll have about 30 min= utes for short (5-minute or less) lightning talks.

 

Please send an email to the chairs if you would like= to present a lightning talk at IETF 105 by Friday, July 5.

 

Thanks!

Tommy, Brian, and Bill

--_000_MN2PR11MB3629DD628EF47C39BD2C9B31DAFA0MN2PR11MB3629namp_-- From nobody Thu Jul 4 19:32:22 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6FE4712016E for ; Thu, 4 Jul 2019 19:32:21 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.2 X-Spam-Level: X-Spam-Status: No, score=-4.2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YP4LkZzHADD0 for ; Thu, 4 Jul 2019 19:32:18 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 70FCB12010F for ; Thu, 4 Jul 2019 19:32:18 -0700 (PDT) Received: from lhreml707-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id A47D8768F89CE9CC697B for ; Fri, 5 Jul 2019 03:32:15 +0100 (IST) Received: from NKGEML413-HUB.china.huawei.com (10.98.56.74) by lhreml707-cah.china.huawei.com (10.201.108.48) with Microsoft SMTP Server (TLS) id 14.3.408.0; Fri, 5 Jul 2019 03:32:15 +0100 Received: from NKGEML515-MBS.china.huawei.com ([169.254.5.134]) by NKGEML413-HUB.china.huawei.com ([10.98.56.74]) with mapi id 14.03.0415.000; Fri, 5 Jul 2019 10:32:02 +0800 From: Tianran Zhou To: "Frank Brockners (fbrockne)" , "ippm@ietf.org" Thread-Topic: draft-ietf-ippm-ioam-data and a new draft for IOAM flags Thread-Index: AdUylCYVrsvRvlcmSe+4uK422z4Y9AAPUIRw Date: Fri, 5 Jul 2019 02:32:01 +0000 Message-ID: References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.111.156.116] Content-Type: multipart/alternative; boundary="_000_BBA82579FD347748BEADC4C445EA0F21BEE79042NKGEML515MBSchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Jul 2019 02:32:21 -0000 --_000_BBA82579FD347748BEADC4C445EA0F21BEE79042NKGEML515MBSchi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Frank, Here are some comments on the IOAM flags: 1. Why proposing the "Immediate Exporting" when a new postcard option (http= s://datatracker.ietf.org/doc/draft-song-ippm-postcard-based-telemetry/) is = already proposed for IOAM? What's the difference for use? One scenario may apply to this flag is to indicate the node to export all t= he existing tracing data when the node is not able to attach data. Other ca= pable nodes will still trace and attach data. This may make the flag useful= and different. In addition, you mentioned to use the e2e option to assist the postcard. Th= at may need an encapsulation extension to IPv6 HbH for e2e option. 2. I suggested before. I would like to propose a "significant data" bit in = the flag. It is set by the intermediate node who think the attached data is= significant. The use case is to reduce the exporting data at the end of th= e IOAM domain. i.e., only the meta data with "significant data" bit set wil= l be exported. For example, when we are tracing the transit delay hop by ho= p, transit delay within a threshold may not be useful, and not worth to be = exported to the collector. Any intermediate node can set this "significant = data" bit when the transit delay breaches the threshold. So data are export= ed only when path congestion. This can be extended to other examples, e.g. = buffer. Regards, Tianran From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Frank Brockners (fbr= ockne) Sent: Friday, July 05, 2019 2:22 AM To: ippm@ietf.org Subject: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM flags Back in the IPPM WG meeting in Prague, Tommy concluded on the discussion of= draft-ietf-ippm-ioam-data-05, that we should "separate the flag discussion= into separate drafts and then fold it into the data draft based on WG con= sensus." (see IPPM minutes https://datatracker.ietf.org/meeting/104/materials/minutes-104-ippm-00). Un= fortunately it took a bit longer than expected but today two new documents = were published following Tommy's conclusion: https://tools.ietf.org/html/draft-mizrahi-ippm-ioam-flags-00 https://tools.ietf.org/html/draft-ietf-ippm-ioam-data-06 draft-mizrahi-ippm-ioam-flags-00 is a new document which provides the descr= iption of those flags that describe IOAM behavior not immediately associate= d to updating the IOAM data fields, i.e. the new draft took the text relate= d to flags from the draft-ietf-ippm-ioam-data. draft-ietf-ippm-ioam-data-06= is the associated update to the -05 version with the description of the fl= ags removed. With the -00 draft cut off still a few days away, it would be great to get = comments on the split and even more so on the new ioam-flags draft, so that= we could create a rev before the cut off (if required) and then try to clo= se the discussion in Montreal. Thanks much, Frank --_000_BBA82579FD347748BEADC4C445EA0F21BEE79042NKGEML515MBSchi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Frank,

 

Here are some comments on the IOAM flags:

 

1. Why proposing the “= ;Immediate Exporting” when a new postcard option (https://datatracker.ietf.org/doc/d= raft-song-ippm-postcard-based-telemetry/) is already proposed for IOAM?= What&= #8217;s the difference for use?

One scenario may apply to this flag is to ind= icate the node to export all the existing tracing data when the node is not= able to attach data. Other capable nodes will still trace and attach data. This may make the flag useful and differ= ent.

 

In addition, you mentioned to use the e2e opt= ion to assist the postcard. That may need an encapsulation extension to IPv= 6 HbH for e2e option.

 

2. I suggested before. I would like to propos= e a “= ;significant data” bit in the flag. It is set by the intermediate node who think the attached= data is significant. The use case is to reduce the exporting data at the e= nd of the IOAM domain. i.e., only the meta data with “= ;significant data” bit set will be exported. For example, when we are tracing the transit del= ay hop by hop, transit delay within a threshold may not be useful, and not = worth to be exported to the collector. Any intermediate node can set this “= ;significant data” bit when the transit delay breaches the threshold. So data are exported on= ly when path congestion. This can be extended to other examples, e.g. buffe= r.

 

Regards,

Tianran

 

From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Frank Brockners (fbrockne)
Sent: Friday, July 05, 2019 2:22 AM
To: ippm@ietf.org
Subject: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM f= lags

 

Back in the IPPM WG meeting in = Prague, Tommy concluded on the discussion of draft-ietf-ippm-ioam-data-05, = that we should “separate the flag discussion into separate drafts and=   then fold it into the data draft based on WG consensus.” (see IPPM minutes

https://datatracker.iet= f.org/meeting/104/materials/minutes-104-ippm-00). Unfortunately it took= a bit longer than expected but today two new documents were published following Tommy’s conclusion:<= /o:p>

 

https://tools.ietf.org/html/draft= -mizrahi-ippm-ioam-flags-00

https://tools.ietf.org/html/draft-iet= f-ippm-ioam-data-06

 

draft-mizrahi-ippm-ioam-flags-0= 0 is a new document which provides the description of those flags that desc= ribe IOAM behavior not immediately associated to updating the IOAM data fie= lds, i.e. the new draft took the text related to flags from the draft-ietf-ippm-ioam-data. draft-ietf-ippm-ioam-= data-06 is the associated update to the -05 version with the description of= the flags removed.

 

With the -00 draft cut off stil= l a few days away, it would be great to get comments on the split and even = more so on the new ioam-flags draft, so that we could create a rev before t= he cut off (if required) and then try to close the discussion in Montreal.

 

Thanks much, Frank

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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Tianran, Thanks for your comments. Per the WG discussion: "IOAM flags draft" (i.e. d= raft-mizrahi-ippm-ioam-flags-00) is not really a new draft, but it temporar= ily farms out the flags discussion that already existed in draft-ietf-ippm-= ioam-data-05 into a dedicated document - so that we can finalize draft-ietf= -ippm-ioam-data as quickly as possible. There isn't any new proposal in the= flags draft. We intentionally did not change the contents - the objective = was just to split the document. In addition, the purpose of the flags draft is to motivate and define the f= lags, rather than detail procedures which would go beyond the definition of= the flags. Those definitions could well live in dedicated documents (see m= ore comments below). An evolved version of the postcard I-D that you refer = to below - or probably a new focused I-D, could be such a more specific doc= ument. Please also see inline... From: Tianran Zhou Sent: Freitag, 5. Juli 2019 04:32 To: Frank Brockners (fbrockne) ; ippm@ietf.org Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flags Hi Frank, Here are some comments on the IOAM flags: 1. Why proposing the "Immediate Exporting" when a new postcard option (http= s://datatracker.ietf.org/doc/draft-song-ippm-postcard-based-telemetry/) is = already proposed for IOAM? What's the difference for use? One scenario may apply to this flag is to indicate the node to export all t= he existing tracing data when the node is not able to attach data. Other ca= pable nodes will still trace and attach data. This may make the flag useful= and different. In addition, you mentioned to use the e2e option to assist the postcard. Th= at may need an encapsulation extension to IPv6 HbH for e2e option. ...FB: draft-mizrahi-ippm-ioam-flags-00 already mentions the use of the IOA= M E2E option with sequence number: "As a means to support correlation of e= xported IOAM data different nodes in the network, a deployment could consid= er attaching an IOAM E2E option in addition to the trace option, that incl= udes a sequence number.". Having a dedicated document that expands on immediate export and the differ= ent types of use cases could be seen as beneficial. Section 3 of draft-song= -ippm-postcard-based-telemetry-03 could be a starting point. A few things f= rom my perspective that we still have to get sorted are: * inclusion of the different "uses" of data created by immediate export. In= his draft draft-bonica-6man-oam, Ron (cc'ed) documented a couple actions t= hat a node could perform when doing immediate export, e.g. "1 - log the pac= ket", "2 - count the packet", "3 - send ICMP to the source", "4 - send tele= metry". We should add those to the new I-D. * (specifically on the postcard draft, section 3): close on the discussion = of whether we need a flow-id field (as E2E option) and how this field would= be defined and used. Back in Prague, several opinions were voiced on this = topic - ranging from support of a new "flow id option" to not seeing the ne= ed to define a new option. 2. I suggested before. I would like to propose a "significant data" bit in = the flag. It is set by the intermediate node who think the attached data is= significant. The use case is to reduce the exporting data at the end of th= e IOAM domain. i.e., only the meta data with "significant data" bit set wil= l be exported. For example, when we are tracing the transit delay hop by ho= p, transit delay within a threshold may not be useful, and not worth to be = exported to the collector. Any intermediate node can set this "significant = data" bit when the transit delay breaches the threshold. So data are export= ed only when path congestion. This can be extended to other examples, e.g. = buffer. ...FB: Hmm. I think I need to better understand the use case to be convince= d. In the first place, why would a node insert data that isn't seen as sign= ificant? Rather than use a significant flag, just set up operations in a wa= y that only data considered significant is inserted - otherwise would choos= e to not insert any data. If you really want to follow your thought to the = end, it would translate into adding a "priority" to every IOAM data field. = We would then need to decide how many different priorities we'd need, how t= hey are defined and used. Thus, before going there, let's understand the us= e case. Cheers, Frank Regards, Tianran From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Frank Brockners (fbr= ockne) Sent: Friday, July 05, 2019 2:22 AM To: ippm@ietf.org Subject: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM flags Back in the IPPM WG meeting in Prague, Tommy concluded on the discussion of= draft-ietf-ippm-ioam-data-05, that we should "separate the flag discussion= into separate drafts and then fold it into the data draft based on WG con= sensus." (see IPPM minutes https://datatracker.ietf.org/meeting/104/materials/minutes-104-ippm-00). Un= fortunately it took a bit longer than expected but today two new documents = were published following Tommy's conclusion: https://tools.ietf.org/html/draft-mizrahi-ippm-ioam-flags-00 https://tools.ietf.org/html/draft-ietf-ippm-ioam-data-06 draft-mizrahi-ippm-ioam-flags-00 is a new document which provides the descr= iption of those flags that describe IOAM behavior not immediately associate= d to updating the IOAM data fields, i.e. the new draft took the text relate= d to flags from the draft-ietf-ippm-ioam-data. draft-ietf-ippm-ioam-data-06= is the associated update to the -05 version with the description of the fl= ags removed. With the -00 draft cut off still a few days away, it would be great to get = comments on the split and even more so on the new ioam-flags draft, so that= we could create a rev before the cut off (if required) and then try to clo= se the discussion in Montreal. Thanks much, Frank --_000_MN2PR11MB36298528FB8B221537913C23DAF60MN2PR11MB3629namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Tianran,

 

Thanks for your comments. Per the WG discussion: = “IOAM flags draft” (i.e. draft-mizrahi-ippm-ioam-flags-00) is n= ot really a new draft, but it temporarily farms out the flags discussion th= at already existed in draft-ietf-ippm-ioam-data-05 into a dedicated document – so that we can finalize draft-ietf-ippm-= ioam-data as quickly as possible. There isn’t any new proposal in the= flags draft. We intentionally did not change the contents – the obje= ctive was just to split the document.

In addition, the purpose of the flags draft is to= motivate and define the flags, rather than detail procedures which would g= o beyond the definition of the flags. Those definitions could well live in = dedicated documents (see more comments below). An evolved version of the postcard I-D that you refer to below = 211; or probably a new focused I-D, could be such a more specific document.

 

Please also see inline…

 

From: Tianran Zhou <zhoutianran@huawei.com= >
Sent: Freitag, 5. Juli 2019 04:32
To: Frank Brockners (fbrockne) <fbrockne@cisco.com>; ippm@ietf= .org
Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flag= s

 

Hi Frank,

 

Here are some comments on the IOA= M flags:

 

1. Why proposing the “Immediate Exporting” when a new postcard option (https://datatracker.ietf.org/doc/d= raft-song-ippm-postcard-based-telemetry/) is already proposed for IOAM?= What’s the difference for use?

One scenario may apply to this fl= ag is to indicate the node to export all the existing tracing data when the= node is not able to attach data. Other capable nodes will still trace and attach data. This may make the flag use= ful and different.

 

In addition, you mentioned to use= the e2e option to assist the postcard. That may need an encapsulation exte= nsion to IPv6 HbH for e2e option.

 

…FB: draft-mizrahi-ippm-ioam-flags-00 already = mentions the use of the IOAM E2E option with sequence number: “As a m= eans to  support correlation of exported IOAM data different nodes in the network, a deployment could consider attaching an I= OAM E2E option in  addition to the trace option, that includes a seque= nce number.”.

Having a dedicated document that expands on immediat= e export and the different types of use cases could be seen as beneficial. = Section 3 of draft-song-ippm-postcard-based-telemetry-03 could be a starting point. A few things from my perspective that we still = have to get sorted are:

* inclusion of the different “uses” of d= ata created by immediate export. In his draft draft-bonica-6man-oam, Ron (c= c’ed) documented a couple actions that a node could perform when doing immediate export, e.g. “1 - log the packet”= , “2 - count the packet”, “3 - send ICMP to the source= 221;, “4 - send telemetry”. We should add those to the new I-D.=

* (specifically on the postcard draft, section 3): c= lose on the discussion of whether we need a flow-id field (as E2E option) a= nd how this field would be defined and used. Back in Prague, several opinions were voiced on this topic – r= anging from support of a new “flow id option” to not seeing the= need to define a new option.

 

2. I suggested before. I would li= ke to propose a “significant data” bit in the flag. It is set by the intermediate node who think the attached= data is significant. The use case is to reduce the exporting data at the e= nd of the IOAM domain. i.e., only the meta data with “significant data” bit set will be exported. For example, when we are tracing the transit del= ay hop by hop, transit delay within a threshold may not be useful, and not = worth to be exported to the collector. Any intermediate node can set this “significant data” bit when the transit delay breaches the threshold. So data are exported on= ly when path congestion. This can be extended to other examples, e.g. buffe= r.

 

…FB: Hmm. I think I need to better understand the use case to be convinced.= In the first place, why would a node insert data that isn’t seen as = significant? Rather than use a significant flag, just set up operations in a way that only data considered significant is i= nserted – otherwise would choose to not insert any data. If you reall= y want to follow your thought to the end, it would translate into adding a = “priority” to every IOAM data field. We would then need to decide how many different priorities we’d need, h= ow they are defined and used. Thus, before going there, let’s underst= and the use case.

&= nbsp;

Cheers= , Frank

 

Regards,

Tianran

 

From:<= /span> ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Frank Brockners (fbrockne)
Sent: Friday, July 05, 2019 2:22 AM
To: ippm@ietf.org
Subject: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM f= lags

&nbs= p;

Back in t= he IPPM WG meeting in Prague, Tommy concluded on the discussion of draft-ie= tf-ippm-ioam-data-05, that we should “separate the flag discussion in= to separate drafts and  then fold it into the data draft based on WG consensus.” (see IPPM minutes<= /span>

https://datatracker.ietf.org/meeting/104/materials/minutes-104-ippm-00= ). Unfortunately it took a bit longer than expected but today two new documents were published following Tommy’= s conclusion:

&nbs= p;

https://t= ools.ietf.org/html/draft-mizrahi-ippm-ioam-flags-00

https://tools= .ietf.org/html/draft-ietf-ippm-ioam-data-06

&nbs= p;

draft-miz= rahi-ippm-ioam-flags-00 is a new document which provides the description of= those flags that describe IOAM behavior not immediately associated to upda= ting the IOAM data fields, i.e. the new draft took the text related to flags from the draft-ietf-ippm-ioam-dat= a. draft-ietf-ippm-ioam-data-06 is the associated update to the -05 version= with the description of the flags removed.

&nbs= p;

With the = -00 draft cut off still a few days away, it would be great to get comments = on the split and even more so on the new ioam-flags draft, so that we could= create a rev before the cut off (if required) and then try to close the discussion in Montreal.

&nbs= p;

Thanks mu= ch, Frank

--_000_MN2PR11MB36298528FB8B221537913C23DAF60MN2PR11MB3629namp_-- From nobody Mon Jul 8 07:32:47 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 16D371201D6; Mon, 8 Jul 2019 07:32:38 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0.699 X-Spam-Level: X-Spam-Status: No, score=0.699 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_COMMENT_SAVED_URL=1.391, HTML_MESSAGE=0.001, PDS_NO_HELO_DNS=1.295, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_HTML_ATTACH=0.01, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9LRxdOoDElbd; Mon, 8 Jul 2019 07:32:35 -0700 (PDT) Received: from mail-lj1-x22c.google.com (mail-lj1-x22c.google.com [IPv6:2a00:1450:4864:20::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4EA0E12021B; Mon, 8 Jul 2019 07:32:15 -0700 (PDT) Received: by mail-lj1-x22c.google.com with SMTP id i21so16172876ljj.3; Mon, 08 Jul 2019 07:32:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=JzAeTtdtwgdZZEKAYUjoK0JrN4fxU8VHNX5yuPanRgQ=; b=UzWoFh5otznDADa0ytGYREWbSj3b3mn4fNMGMYIAnn2YAq8W3/RNYLuQrvumILiqbU ErNKnO6b30S5VtRJPLsn2dKhQzAGOXrXm2MiHMHPWJoMSZJh+YufKRB+zXMYejcTQ7Eq pxVB0J3cf9c3XayKNQNBI/tAvnH7/HMVukUl8965F5fSjRbT7V80VRmy+B9g8QMPYXZN sxSmklXwHEgEoLflMHEBM9rEbbduiCrv+w/Unbui6oYkUJNku7NKjiH4iTSfczbndPwt kSIpt8u0EWJKkh3punUkPEB43yXz7qXxgCklqrc1dH3I+l+jmGrL56AY+hkdh8L/jyYG AhdA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=JzAeTtdtwgdZZEKAYUjoK0JrN4fxU8VHNX5yuPanRgQ=; b=LUI7/ipKcTl5zDxa8uNeCe5uWkyPhiaU+eAaxI4bAKzrEmOb4U4xxStgb1lyH5TmtQ 2VfOZyjR0NdAzvC8BFn1MtGJ1JIblfF4UGPVyAVshYfs6fBmYIKhTS4ORAz8U0+SOSPG lAx+KH5MWdb9huMZLAb3DIWTDkms/scFtVs411KopZ8jPql05t1Z1R/bXSCHcxGVkEnv gIsj9Z9kIglehV6IwdMr76FeCnrfMDZ7EK2qQrfqveRgOvvgQXocjz0yCT5Gi1X0UhIM zzRZ0EKqXEi7CG8Guizz8xkNoHvUEFDKXUTtkynRfMgrbXDrxofxu4Raov6Rd2MzsD5p 4sug== X-Gm-Message-State: APjAAAXwO5lI8L/VjR1lNy2ZpSXmIgfKZ+hoc3Ut11XZUfIAh7hB+ecc GvVk8N1/ag52dn6+LoW3n0awvIDri4qqNs35wrQ= X-Google-Smtp-Source: APXvYqz2mYK5MCroDZy4/9FWkn2yBDI2IDTkdq+qBWXAKdYJpLxQ9ghQ1y4w1Lpx2U7shRob8hFMIix5ighGHZg6GvU= X-Received: by 2002:a2e:7d0c:: with SMTP id y12mr10507676ljc.36.1562596333375; Mon, 08 Jul 2019 07:32:13 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Greg Mirsky Date: Mon, 8 Jul 2019 07:32:02 -0700 Message-ID: To: Mirja Kuehlewind Cc: draft-ietf-ippm-stamp@ietf.org, IPPM Chairs , IETF IPPM WG Content-Type: multipart/mixed; boundary="000000000000610e21058d2c4fa4" Archived-At: Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Jul 2019 14:32:46 -0000 --000000000000610e21058d2c4fa4 Content-Type: multipart/alternative; boundary="000000000000610e1f058d2c4fa2" --000000000000610e1f058d2c4fa2 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Now with IPPM WG list included. The proposed updates to the STAMP base specification with the diff attached= . Regards, Greg On Sat, Jul 6, 2019 at 8:46 AM Greg Mirsky wrote: > Hi Mirja, > thank you for your thorough review, very pointed and helpful comments. > Please find my responses in-lined and tagged GIM>>. Attached the diff. > > Regards, > Greg > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind > wrote: > >> Hi authors, hi all, >> >> Thanks for this well-written document and very good shepherd write-up! I >> would like discuss one point before I start IETF last call. >> >> I believe this document should say something about network load and >> congestion (control). OWAMP and TWAMP discuss quite a bit sender >> scheduling, however, as this is a simplified version, so I think it coul= d >> at least be good to put a waring in this document that packet sending >> should be somehow rate limited. I know it might be hard to provide more >> concrete guidance but at least having some discussion or warning in this >> document could be good. >> > GIM>> Thank you for your suggestion. Security Considerations section > points to the fact that STAMP does not include control and management > components: > Because of the control > and management of a STAMP test being outside the scope of this > specification only the more general requirement is set: > adding the new text here: > Load of STAMP test packets offered to a network MUST be carefully > estimated, and the possible impact on the existing services MUST > be thoroughly analyzed before launching the test session. > > >> Another comment: You only say at the very end that a certain UDP port is >> used, which implies that STAMP runs over UDP. However, I think you shoul= d >> mention at the very beginning that this is a UDP-based protocol. Just to >> make things crystal clear. >> > GIM>> Adding the reference to "UDP transport" into the first sentence of > Theory of Operations section: > STAMP Session-Sender transmits test packets over UDP transport toward > STAMP Session-Reflector. > >> >> Mirja >> >> P.S.: >> Nit: s/This document defines active performance measurement test >> protocol/ This document defines an active performance measurement test >> protocol/ >> -> =E2=80=9Can=E2=80=9D missing >> > GIM>> Thank you. Done. > --000000000000610e1f058d2c4fa2 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Now with IPPM WG list included.
The proposed updates t= o the STAMP base specification with the diff attached.

=
Regards,
Greg

On Sat, Jul 6, 2019 at 8:46 AM Greg Mirsk= y <gregimirsky@gmail.com>= ; wrote:
Hi Mirja,
thank you for your thorough review= , very pointed and helpful comments. Please find my responses in-lined and = tagged GIM>>. Attached the diff.

Regards,
Greg

On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind <ietf@kuehlewind.net= > wrote:
Hi a= uthors, hi all,

Thanks for this well-written document and very good shepherd write-up! I wo= uld like discuss one point before I start IETF last call.

I believe this document should say something about network load and congest= ion (control). OWAMP and TWAMP discuss quite a bit sender scheduling, howev= er, as this is a simplified version, so I think it could at least be good t= o put a waring in this document that packet sending should be somehow rate = limited. I know it might be hard to provide more concrete guidance but at l= east having some discussion or warning in this document could be good.
<= /blockquote>
GIM>>=C2=A0 Thank you for your suggestion. Security = Considerations section points to the fact that STAMP does not include contr= ol and management components:
=C2=A0 =C2=A0Because of the control=
=C2=A0 =C2=A0and management of a STAMP test being outside the scope of = this
=C2=A0 =C2=A0specification only the more general requirement is set= :
adding the new text here:
=C2=A0 =C2=A0 =C2=A0 Lo= ad of STAMP test packets offered to a network MUST be carefully
=C2=A0 = =C2=A0 =C2=A0 estimated, and the possible impact on the existing services M= UST
=C2=A0 =C2=A0 =C2=A0 be thoroughly analyzed before launching the tes= t session.


Another comment: You only say at the very end that a certain UDP port is us= ed, which implies that STAMP runs over UDP. However, I think you should men= tion at the very beginning that this is a UDP-based protocol. Just to make = things crystal clear.
GIM>> Adding the reference= to "UDP transport" into the first sentence of Theory of=C2=A0 Op= erations section:
=C2=A0 =C2=A0STAMP Session-Sender transmits tes= t packets over UDP transport toward STAMP Session-Reflector.

Mirja

P.S.:
Nit: s/This document defines active performance measurement test protocol/ = This document defines an active performance measurement test protocol/
-> =E2=80=9Can=E2=80=9D missing
GIM>> Thank y= ou. Done.=C2=A0
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Greg Mirsky Date: Mon, 8 Jul 2019 07:54:55 -0700 Message-ID: To: Mirja Kuehlewind Cc: draft-ietf-ippm-stamp@ietf.org, IPPM Chairs , IETF IPPM WG Content-Type: multipart/alternative; boundary="00000000000045ca37058d2ca1d0" Archived-At: Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Jul 2019 14:55:31 -0000 --00000000000045ca37058d2ca1d0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Mirja, thank you for the reference to RFC 8085. I agree that the document is very much relevant and a reference to RFC 8085 in STAMP is useful. While reading Section 3.1.3 I came to think that the discussion and guidance in other sections of RFC 8085, particularly, Section 3.1.5 Implications of RTT and Loss Measurements on Congestion Control. Would adding the reference to that section in the new text proposed for the Security Considerations section work? I'll put RFC 8085 as Informational reference as it is BCP. NEW TEXT: Load of STAMP test packets offered to a network MUST be carefully estimated, and the possible impact on the existing services MUST be thoroughly analyzed using [RFC8085] and its Section 3.1.5 in particular before launching the test session. Regards, Greg On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind wrote= : > Hi Greg, > > Thanks a lot for you reply. Changes are good. I wonder if it would be > useful to provide a reference to RFC8085 because it has a lot of > information about congestion control of UDP based traffic? It recommends = to > send not more than 1 packet per 3 seconds (if RTT is unknown). I guess it > doesn=E2=80=99t make sense to require this for testing traffic, however, = it could > maybe still be a good recommendation? What do you think? > > Also I=E2=80=99ve just resend my review to the IPPM list, as I unfortunat= ely cc=E2=80=99ed > only the IPPM chairs instead of the whole list. Can you resend you propos= ed > changes to the list, so other people are aware of these changes. Sorry fo= r > the unconvience. > > Mirja > > > > On 6. Jul 2019, at 17:46, Greg Mirsky wrote: > > > > Hi Mirja, > > thank you for your thorough review, very pointed and helpful comments. > Please find my responses in-lined and tagged GIM>>. Attached the diff. > > > > Regards, > > Greg > > > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind > wrote: > > Hi authors, hi all, > > > > Thanks for this well-written document and very good shepherd write-up! = I > would like discuss one point before I start IETF last call. > > > > I believe this document should say something about network load and > congestion (control). OWAMP and TWAMP discuss quite a bit sender > scheduling, however, as this is a simplified version, so I think it could > at least be good to put a waring in this document that packet sending > should be somehow rate limited. I know it might be hard to provide more > concrete guidance but at least having some discussion or warning in this > document could be good. > > GIM>> Thank you for your suggestion. Security Considerations section > points to the fact that STAMP does not include control and management > components: > > Because of the control > > and management of a STAMP test being outside the scope of this > > specification only the more general requirement is set: > > adding the new text here: > > Load of STAMP test packets offered to a network MUST be carefully > > estimated, and the possible impact on the existing services MUST > > be thoroughly analyzed before launching the test session. > > > > > > Another comment: You only say at the very end that a certain UDP port i= s > used, which implies that STAMP runs over UDP. However, I think you should > mention at the very beginning that this is a UDP-based protocol. Just to > make things crystal clear. > > GIM>> Adding the reference to "UDP transport" into the first sentence o= f > Theory of Operations section: > > STAMP Session-Sender transmits test packets over UDP transport towar= d > STAMP Session-Reflector. > > > > Mirja > > > > P.S.: > > Nit: s/This document defines active performance measurement test > protocol/ This document defines an active performance measurement test > protocol/ > > -> =E2=80=9Can=E2=80=9D missing > > GIM>> Thank you. Done. > > > > --00000000000045ca37058d2ca1d0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Mirja,
thank you for the reference to RFC 8085. I a= gree that the document is very much relevant and a reference to RFC 8085 in= STAMP is useful. While reading Section 3.1.3 I came to think that the disc= ussion and guidance in other sections of RFC 8085, particularly, Section 3.= 1.5 Implications of RTT and Loss Measurements on Congestion Control. Would = adding the reference to that section in the new text proposed for the Secur= ity Considerations section work? I'll put RFC 8085 as Informational ref= erence as it is BCP.
NEW TEXT:
=C2=A0 =C2=A0 =C2=A0 Loa= d of STAMP test packets offered to a network MUST be carefully
=C2=A0 = =C2=A0 =C2=A0 estimated, and the possible impact on the existing services M= UST
=C2=A0 =C2=A0 =C2=A0 be thoroughly analyzed using [RFC8085] and its = Section 3.1.5 in
=C2=A0 =C2=A0 =C2=A0 particular before launching the te= st session.

Regards,
Greg

On Mo= n, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote:
Hi Greg,

Thanks a lot for you reply. Changes are good. I wonder if it would be usefu= l to provide a reference to RFC8085 because it has a lot of information abo= ut congestion control of UDP based traffic? It recommends to send not more = than 1 packet per 3 seconds (if RTT is unknown). I guess it doesn=E2=80=99t= make sense to require this for testing traffic, however, it could maybe st= ill be a good recommendation? What do you think?

Also I=E2=80=99ve just resend my review to the IPPM list, as I unfortunatel= y cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can you res= end you proposed changes to the list, so other people are aware of these ch= anges. Sorry for the unconvience.

Mirja


> On 6. Jul 2019, at 17:46, Greg Mirsky <gregimirsky@gmail.com> wrote:
>
> Hi Mirja,
> thank you for your thorough review, very pointed and helpful comments.= Please find my responses in-lined and tagged GIM>>. Attached the dif= f.
>
> Regards,
> Greg
>
> On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote: > Hi authors, hi all,
>
> Thanks for this well-written document and very good shepherd write-up!= I would like discuss one point before I start IETF last call.
>
> I believe this document should say something about network load and co= ngestion (control). OWAMP and TWAMP discuss quite a bit sender scheduling, = however, as this is a simplified version, so I think it could at least be g= ood to put a waring in this document that packet sending should be somehow = rate limited. I know it might be hard to provide more concrete guidance but= at least having some discussion or warning in this document could be good.=
> GIM>>=C2=A0 Thank you for your suggestion. Security Consideratio= ns section points to the fact that STAMP does not include control and manag= ement components:
>=C2=A0 =C2=A0 Because of the control
>=C2=A0 =C2=A0 and management of a STAMP test being outside the scope of= this
>=C2=A0 =C2=A0 specification only the more general requirement is set: > adding the new text here:
>=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a netw= ork MUST be carefully
>=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on the ex= isting services MUST
>=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed before launching the = test session.
>
>
> Another comment: You only say at the very end that a certain UDP port = is used, which implies that STAMP runs over UDP. However, I think you shoul= d mention at the very beginning that this is a UDP-based protocol. Just to = make things crystal clear.
> GIM>> Adding the reference to "UDP transport" into the= first sentence of Theory of=C2=A0 Operations section:
>=C2=A0 =C2=A0 STAMP Session-Sender transmits test packets over UDP tran= sport toward STAMP Session-Reflector.
>
> Mirja
>
> P.S.:
> Nit: s/This document defines active performance measurement test proto= col/ This document defines an active performance measurement test protocol/=
> -> =E2=80=9Can=E2=80=9D missing
> GIM>> Thank you. Done.
> <Diff_ draft-ietf-ippm-stamp-06.txt - draft-ietf-ippm-stamp-07.txt.= html>

--00000000000045ca37058d2ca1d0-- From nobody Mon Jul 8 08:59:08 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 513FD12029C; Mon, 8 Jul 2019 08:58:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id a3fWwgN9qB1K; Mon, 8 Jul 2019 08:58:54 -0700 (PDT) Received: from wp513.webpack.hosteurope.de (wp513.webpack.hosteurope.de [IPv6:2a01:488:42:1000:50ed:8223::]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 00B4C12029B; Mon, 8 Jul 2019 08:58:53 -0700 (PDT) Received: from 200116b82cc4d10004c03462e129448d.dip.versatel-1u1.de ([2001:16b8:2cc4:d100:4c0:3462:e129:448d]); authenticated by wp513.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) id 1hkW2V-00051f-Qf; Mon, 08 Jul 2019 17:58:51 +0200 Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\)) From: Mirja Kuehlewind In-Reply-To: Date: Mon, 8 Jul 2019 17:58:51 +0200 Cc: draft-ietf-ippm-stamp@ietf.org, IPPM Chairs , IETF IPPM WG Content-Transfer-Encoding: quoted-printable Message-Id: References: <11938018-8A65-483B-8176-A6E1C2A265A3@kuehlewind.net> To: Greg Mirsky X-Mailer: Apple Mail (2.3445.104.11) X-bounce-key: webpack.hosteurope.de;ietf@kuehlewind.net;1562601534;794d16dc; X-HE-SMSGID: 1hkW2V-00051f-Qf Archived-At: Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Jul 2019 15:59:06 -0000 Hi Greg, See below. > On 8. Jul 2019, at 16:54, Greg Mirsky wrote: >=20 > Hi Mirja, > thank you for the reference to RFC 8085. I agree that the document is = very much relevant and a reference to RFC 8085 in STAMP is useful. While = reading Section 3.1.3 I came to think that the discussion and guidance = in other sections of RFC 8085, particularly, Section 3.1.5 Implications = of RTT and Loss Measurements on Congestion Control. Would adding the = reference to that section in the new text proposed for the Security = Considerations section work? I'll put RFC 8085 as Informational = reference as it is BCP. > NEW TEXT: > Load of STAMP test packets offered to a network MUST be = carefully > estimated, and the possible impact on the existing services MUST > be thoroughly analyzed using [RFC8085] and its Section 3.1.5 in > particular before launching the test session. Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fine = for me. Or you could have a separate sentence like: =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network = load for UDP-based protocol. While the characteristic of test traffic = depends on the test objective, it is highly recommended to say in the = limits as provided in RFC8085.=E2=80=9D Or something similar=E2=80=A6 BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a = downref. However, I think having this as informational ref is fine. Mirja >=20 > Regards, > Greg >=20 > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind = wrote: > Hi Greg, >=20 > Thanks a lot for you reply. Changes are good. I wonder if it would be = useful to provide a reference to RFC8085 because it has a lot of = information about congestion control of UDP based traffic? It recommends = to send not more than 1 packet per 3 seconds (if RTT is unknown). I = guess it doesn=E2=80=99t make sense to require this for testing traffic, = however, it could maybe still be a good recommendation? What do you = think? >=20 > Also I=E2=80=99ve just resend my review to the IPPM list, as I = unfortunately cc=E2=80=99ed only the IPPM chairs instead of the whole = list. Can you resend you proposed changes to the list, so other people = are aware of these changes. Sorry for the unconvience. >=20 > Mirja >=20 >=20 > > On 6. Jul 2019, at 17:46, Greg Mirsky wrote: > >=20 > > Hi Mirja, > > thank you for your thorough review, very pointed and helpful = comments. Please find my responses in-lined and tagged GIM>>. Attached = the diff. > >=20 > > Regards, > > Greg > >=20 > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind = wrote: > > Hi authors, hi all, > >=20 > > Thanks for this well-written document and very good shepherd = write-up! I would like discuss one point before I start IETF last call. > >=20 > > I believe this document should say something about network load and = congestion (control). OWAMP and TWAMP discuss quite a bit sender = scheduling, however, as this is a simplified version, so I think it = could at least be good to put a waring in this document that packet = sending should be somehow rate limited. I know it might be hard to = provide more concrete guidance but at least having some discussion or = warning in this document could be good. > > GIM>> Thank you for your suggestion. Security Considerations = section points to the fact that STAMP does not include control and = management components: > > Because of the control > > and management of a STAMP test being outside the scope of this > > specification only the more general requirement is set: > > adding the new text here: > > Load of STAMP test packets offered to a network MUST be = carefully > > estimated, and the possible impact on the existing services = MUST > > be thoroughly analyzed before launching the test session. > >=20 > >=20 > > Another comment: You only say at the very end that a certain UDP = port is used, which implies that STAMP runs over UDP. However, I think = you should mention at the very beginning that this is a UDP-based = protocol. Just to make things crystal clear. > > GIM>> Adding the reference to "UDP transport" into the first = sentence of Theory of Operations section: > > STAMP Session-Sender transmits test packets over UDP transport = toward STAMP Session-Reflector. > >=20 > > Mirja > >=20 > > P.S.: > > Nit: s/This document defines active performance measurement test = protocol/ This document defines an active performance measurement test = protocol/ > > -> =E2=80=9Can=E2=80=9D missing > > GIM>> Thank you. 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Mon, 8 Jul 2019 16:53:35 +0000 From: Haoyu Song To: "Frank Brockners (fbrockne)" , Tianran Zhou , "ippm@ietf.org" CC: "rbonica@juniper.net" Thread-Topic: draft-ietf-ippm-ioam-data and a new draft for IOAM flags Thread-Index: AdUylCYVrsvRvlcmSe+4uK422z4Y9AAPUIRwAKsmw9AAC4/ngA== Date: Mon, 8 Jul 2019 16:53:34 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=haoyu.song@futurewei.com; x-originating-ip: [206.16.17.150] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: f86908b8-4a53-4f9c-f229-08d703c4d106 x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020); SRVR:MN2PR13MB3565; x-ms-traffictypediagnostic: MN2PR13MB3565: x-ms-exchange-purlcount: 6 x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:10000; 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boundary="_000_MN2PR13MB35822D72438EEB1DA0A08FA79AF60MN2PR13MB3582namp_" MIME-Version: 1.0 X-OriginatorOrg: Futurewei.com X-MS-Exchange-CrossTenant-Network-Message-Id: f86908b8-4a53-4f9c-f229-08d703c4d106 X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Jul 2019 16:53:34.9752 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 0fee8ff2-a3b2-4018-9c75-3a1d5591fedc X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: hsong@futurewei.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR13MB3565 Archived-At: Subject: Re: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Jul 2019 16:55:14 -0000 --_000_MN2PR13MB35822D72438EEB1DA0A08FA79AF60MN2PR13MB3582namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable My comments below. Haoyu From: ippm On Behalf Of Frank Brockners (fbrockne) Sent: Monday, July 08, 2019 4:42 AM To: Tianran Zhou ; ippm@ietf.org Cc: rbonica@juniper.net Subject: Re: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM flag= s Hi Tianran, Thanks for your comments. Per the WG discussion: "IOAM flags draft" (i.e. d= raft-mizrahi-ippm-ioam-flags-00) is not really a new draft, but it temporar= ily farms out the flags discussion that already existed in draft-ietf-ippm-= ioam-data-05 into a dedicated document - so that we can finalize draft-ietf= -ippm-ioam-data as quickly as possible. There isn't any new proposal in the= flags draft. We intentionally did not change the contents - the objective = was just to split the document. In addition, the purpose of the flags draft is to motivate and define the f= lags, rather than detail procedures which would go beyond the definition of= the flags. Those definitions could well live in dedicated documents (see m= ore comments below). An evolved version of the postcard I-D that you refer = to below - or probably a new focused I-D, could be such a more specific doc= ument. Please also see inline... From: Tianran Zhou > Sent: Freitag, 5. Juli 2019 04:32 To: Frank Brockners (fbrockne) >; ippm@ietf..org Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flags Hi Frank, Here are some comments on the IOAM flags: 1. Why proposing the "Immediate Exporting" when a new postcard option (http= s://datatracker.ietf.org/doc/draft-song-ippm-postcard-based-telemetry/) is already proposed f= or IOAM? What's the difference for use? One scenario may apply to this flag is to indicate the node to export all t= he existing tracing data when the node is not able to attach data. Other ca= pable nodes will still trace and attach data. This may make the flag useful= and different. In addition, you mentioned to use the e2e option to assist the postcard. Th= at may need an encapsulation extension to IPv6 HbH for e2e option. ...FB: draft-mizrahi-ippm-ioam-flags-00 already mentions the use of the IOA= M E2E option with sequence number: "As a means to support correlation of e= xported IOAM data different nodes in the network, a deployment could consid= er attaching an IOAM E2E option in addition to the trace option, that incl= udes a sequence number.". [HS] As we have discussed before, I still think such statement should be dr= opped from the document. It complicates the operation, obscures the semanti= cs, and make further extensions harder. I see no reason to support a hack l= ike this when we have an explicit and dedicated option. Having a dedicated document that expands on immediate export and the differ= ent types of use cases could be seen as beneficial. Section 3 of draft-song= -ippm-postcard-based-telemetry-03 could be a starting point. A few things f= rom my perspective that we still have to get sorted are: * inclusion of the different "uses" of data created by immediate export. In= his draft draft-bonica-6man-oam, Ron (cc'ed) documented a couple actions t= hat a node could perform when doing immediate export, e.g. "1 - log the pac= ket", "2 - count the packet", "3 - send ICMP to the source", "4 - send tele= metry". We should add those to the new I-D. [HS] We should have more discussion on this. If this is truly needed, it ca= n be supported either by flags or by data type definition. * (specifically on the postcard draft, section 3): close on the discussion = of whether we need a flow-id field (as E2E option) and how this field would= be defined and used. Back in Prague, several opinions were voiced on this = topic - ranging from support of a new "flow id option" to not seeing the ne= ed to define a new option. [HS] As discussed in last meeting, we could make the flow-ID optional. In s= ome cases, it's very useful to reduce data transport bandwidth and data par= sing workload. As for the ID generation mechanisms, we can provide several= suggestions but it can also be left open for user to decide. Of course, if= we can decide a best method, we can adopt it. 2. I suggested before. I would like to propose a "significant data" bit in = the flag. It is set by the intermediate node who think the attached data is= significant. The use case is to reduce the exporting data at the end of th= e IOAM domain. i.e., only the meta data with "significant data" bit set wil= l be exported. For example, when we are tracing the transit delay hop by ho= p, transit delay within a threshold may not be useful, and not worth to be = exported to the collector. Any intermediate node can set this "significant = data" bit when the transit delay breaches the threshold. So data are export= ed only when path congestion. This can be extended to other examples, e.g. = buffer. ...FB: Hmm. I think I need to better understand the use case to be convince= d. In the first place, why would a node insert data that isn't seen as sign= ificant? Rather than use a significant flag, just set up operations in a wa= y that only data considered significant is inserted - otherwise would choos= e to not insert any data. If you really want to follow your thought to the = end, it would translate into adding a "priority" to every IOAM data field. = We would then need to decide how many different priorities we'd need, how t= hey are defined and used. Thus, before going there, let's understand the us= e case. Cheers, Frank Regards, Tianran From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Frank Brockners (fbr= ockne) Sent: Friday, July 05, 2019 2:22 AM To: ippm@ietf.org Subject: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM flags Back in the IPPM WG meeting in Prague, Tommy concluded on the discussion of= draft-ietf-ippm-ioam-data-05, that we should "separate the flag discussion= into separate drafts and then fold it into the data draft based on WG con= sensus." (see IPPM minutes https://datatracker.ietf.org/meeting/104/materials/minutes-104-ippm-00). Unfortunately it took a bi= t longer than expected but today two new documents were published following= Tommy's conclusion: https://tools.ietf.org/html/draft-mizrahi-ippm-ioam-flags-00 https://tools..ietf.org/html/draft-ietf-ippm-ioam-data-06 draft-mizrahi-ippm-ioam-flags-00 is a new document which provides the descr= iption of those flags that describe IOAM behavior not immediately associate= d to updating the IOAM data fields, i.e. the new draft took the text relate= d to flags from the draft-ietf-ippm-ioam-data. draft-ietf-ippm-ioam-data-06= is the associated update to the -05 version with the description of the fl= ags removed. With the -00 draft cut off still a few days away, it would be great to get = comments on the split and even more so on the new ioam-flags draft, so that= we could create a rev before the cut off (if required) and then try to clo= se the discussion in Montreal. Thanks much, Frank --_000_MN2PR13MB35822D72438EEB1DA0A08FA79AF60MN2PR13MB3582namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

My comments below.

 

Haoyu

 

From: ippm <ippm-bounces@ietf.org> O= n Behalf Of Frank Brockners (fbrockne)
Sent: Monday, July 08, 2019 4:42 AM
To: Tianran Zhou <zhoutianran@huawei.com>; ippm@ietf.org
Cc: rbonica@juniper.net
Subject: Re: [ippm] draft-ietf-ippm-ioam-data and a new draft for IO= AM flags

 

Hi Tianran,

 

Thanks for your comments. Per the WG discussion: = “IOAM flags draft” (i.e. draft-mizrahi-ippm-ioam-flags-00) is n= ot really a new draft, but it temporarily farms out the flags discussion th= at already existed in draft-ietf-ippm-ioam-data-05 into a dedicated document – so that we can finalize draft-ietf-ippm-= ioam-data as quickly as possible. There isn’t any new proposal in the= flags draft. We intentionally did not change the contents – the obje= ctive was just to split the document.

In addition, the purpose of the flags draft is to= motivate and define the flags, rather than detail procedures which would g= o beyond the definition of the flags. Those definitions could well live in = dedicated documents (see more comments below). An evolved version of the postcard I-D that you refer to below = 211; or probably a new focused I-D, could be such a more specific document.

 

Please also see inline…

 

From: Tianran Zhou <zhoutianran@huawei.com>
Sent: Freitag, 5. Juli 2019 04:32
To: Frank Brockners (fbrockne) <fbrockne@cisco.com>; ippm@ietf..org
Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flag= s

 

Hi Frank,

 

Here are some comments on the IOAM flags:<= /p>

 

1. Why proposing the “Immediate Expor= ting” when a new postcard option (https://datatracker.ietf.org/doc/draft-so= ng-ippm-postcard-based-telemetry/) is already proposed for IOAM? What’s the difference for use?

One scenario may apply to this flag is to indicate the node = to export all the existing tracing data when the node is not able to attach= data. Other capable nodes will still trace and attach data. This may make the flag useful and different.

 

In addition, you mentioned to use the e2e option to assist t= he postcard. That may need an encapsulation extension to IPv6 HbH for e2e o= ption.

 

…FB: draft-mizrahi-ippm-ioam-flags-00 already mentions the use of = the IOAM E2E option with sequence number: “As a means to  suppor= t correlation of exported IOAM data different nodes in the network, a deplo= yment could consider attaching an IOAM E2E option in  addition to the trace option, that includes a sequence number.= 221;.

[HS] As we have di= scussed before, I still think such statement should be dropped from the doc= ument. It complicates the operation, obscures the semantics, and make furth= er extensions harder. I see no reason to support a hack like this when we have an explicit and dedicated option.=

Having a dedicated d= ocument that expands on immediate export and the different types of use cas= es could be seen as beneficial. Section 3 of draft-song-ippm-postcard-based= -telemetry-03 could be a starting point. A few things from my perspective that we still have to get sorted are:

* inclusion of the d= ifferent “uses” of data created by immediate export. In his dra= ft draft-bonica-6man-oam, Ron (cc’ed) documented a couple actions tha= t a node could perform when doing immediate export, e.g. “1 - log the packet”, “2 - count the packet”, R= 20;3 - send ICMP to the source”, “4 - send telemetry”. We= should add those to the new I-D.

 

[HS] We should have more discussion on this. If t= his is truly needed, it can be supported either by flags or by data type de= finition.

 

* (specifically on t= he postcard draft, section 3): close on the discussion of whether we need a= flow-id field (as E2E option) and how this field would be defined and used= . Back in Prague, several opinions were voiced on this topic – ranging from support of a new “flow id = option” to not seeing the need to define a new option.=

 

[HS] As discussed in last meeting, we could make = the flow-ID optional. In some cases, it’s very useful to reduce data = transport bandwidth and data parsing workload. As  for the ID generati= on mechanisms, we can provide several suggestions but it can also be left open for user to decide. Of course, if we can deci= de a best method, we can adopt it.

 

2. I suggested before. I would like to propose a “significant dat= a” bit in the flag. It is set by the intermediate node who think the attached= data is significant. The use case is to reduce the exporting data at the e= nd of the IOAM domain. i.e., only the meta data with “significant dat= a” bit set will be exported. For example, when we are tracing the transit del= ay hop by hop, transit delay within a threshold may not be useful, and not = worth to be exported to the collector. Any intermediate node can set this “significant dat= a” bit when the transit delay breaches the threshold. So data are exported on= ly when path congestion. This can be extended to other examples, e.g. buffe= r.

 

…FB: Hmm. I think I need to better understa= nd the use case to be convinced. In the first place, why would a node inser= t data that isn’t seen as significant? Rather than use a significant = flag, just set up operations in a way that only data considered significant is inserted – otherwise would choose to = not insert any data. If you really want to follow your thought to the end, = it would translate into adding a “priority” to every IOAM data = field. We would then need to decide how many different priorities we’d need, how they are defined and used. Thus, before go= ing there, let’s understand the use case.

 

Cheers, Frank

 

Regards,

Tianran

 

From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Frank Brockners (fbrockne)
Sent: Friday, July 05, 2019 2:22 AM
To: ippm@ietf.org
Subject: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM f= lags

 

Back in the IPPM WG meeting in Prague, Tommy conclud= ed on the discussion of draft-ietf-ippm-ioam-data-05, that we should “= ;separate the flag discussion into separate drafts and  then fold it i= nto the data draft based on WG consensus.” (see IPPM minutes

https://datatracker.ietf.org/meeting/104/materials/mi= nutes-104-ippm-00). Unfortunately it took a bit longer than expected but today two new documen= ts were published following Tommy’s conclusion:

 

https://tools.ietf.org/html/draft-mizrahi-ippm-ioam-flags-00<= o:p>

https://tools..ietf.org/html/draft-ietf-ippm-ioam-data-06

 

draft-mizrahi-ippm-ioam-flags-00 is a new document w= hich provides the description of those flags that describe IOAM behavior no= t immediately associated to updating the IOAM data fields, i.e. the new dra= ft took the text related to flags from the draft-ietf-ippm-ioam-data. draft-ietf-ippm-ioam-data-06 is the as= sociated update to the -05 version with the description of the flags remove= d.

 

With the -00 draft cut off still a few days away, it= would be great to get comments on the split and even more so on the new io= am-flags draft, so that we could create a rev before the cut off (if requir= ed) and then try to close the discussion in Montreal.

 

Thanks much, Frank

--_000_MN2PR13MB35822D72438EEB1DA0A08FA79AF60MN2PR13MB3582namp_-- From nobody Mon Jul 8 10:18:26 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 945351202BE; Mon, 8 Jul 2019 10:18:23 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.702 X-Spam-Level: X-Spam-Status: No, score=-0.702 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, PDS_NO_HELO_DNS=1.295, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HnP-dYmUlh_k; Mon, 8 Jul 2019 10:18:21 -0700 (PDT) Received: from mail-lj1-x234.google.com (mail-lj1-x234.google.com [IPv6:2a00:1450:4864:20::234]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 1ABB512038A; Mon, 8 Jul 2019 10:18:00 -0700 (PDT) Received: by mail-lj1-x234.google.com with SMTP id t28so16701916lje.9; Mon, 08 Jul 2019 10:17:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=YglVmBJ8cNVTkZzuc7KCApRXsDrKaIyhbYw5avR928k=; b=aNEG6CEj9491rb2yDdXALuemZW50kucsJIo2RT5X1iWA1sc8LszPYKN8ZWfq4r6hG2 /6zehKdDRUMJJAHnrA/T9SKA7DlLU3GIieRW4k9Vbx/ovwt4hiD5pDJ+9FQ7a6ARENQu xANMTzpxyYv4TMh/t1MCkCx1+tg4cHUitsR+irRvhz/axqGfonh0lk2XaH4XsNexodNe A64ivrp63tKiQ5xK46vcVPLBhEJDvOBUquOfYj6D7D62+VnEtgoA6YZ3mSm9ciBJ7I4Q MpbesZa/0eyfUe7eUwlb+IUb0F7TflBh2zTntulnDAblctJabPaHHGkZAl5jCJFcXUNm W5+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=YglVmBJ8cNVTkZzuc7KCApRXsDrKaIyhbYw5avR928k=; b=XdaKG9TBGYetPksSTeFddv10cvX7B0fCNKebEu6Kjixj8QgS8zwhjqWT2wn0GCx/8j WHyqMLb+zySXfxIZtD8YOpXaZ0JTlqQbJlgrQL57jBxIjg9bK5XVYAIIG3ZubuX2Ex9K mGHjhlMa/O1A5Xj+wcJe32QW9BHi+kBsVtoCrVkXWKw2lJ9gBs0DCLyUhuR8vFxZUFKX zqea+Y1sDBzdY82WOJb3wh/kPRT+PLqETM0N7RgS6Uriji2oq6oXecvy8y1CrWa4BtMS uGfmpqxY/MrVfLT3Ej2ngjOPhXzBxCISzmcIV7TnPnhlDhQWqRBYoUTM2cX+WR83Cs0G ZuXg== X-Gm-Message-State: APjAAAVqZib88eYmRxTsH3t0Cd6ZfE2suH8ykEQTn1ryEtBteOTOlctn tU8LbpIifd786akheVrnEjqVYm35zkpJPK4KUl8= X-Google-Smtp-Source: APXvYqyb5D5/r6c76WkRPUXdorWRaRi9ckYwosGbDbDQm7M62IiXEcVWVHbtxncGIW9i56sThtqexUUmGXJSOb3DFWw= X-Received: by 2002:a2e:6c07:: with SMTP id h7mr8511154ljc.177.1562606278146; Mon, 08 Jul 2019 10:17:58 -0700 (PDT) MIME-Version: 1.0 References: <11938018-8A65-483B-8176-A6E1C2A265A3@kuehlewind.net> In-Reply-To: From: Greg Mirsky Date: Mon, 8 Jul 2019 10:17:47 -0700 Message-ID: To: Mirja Kuehlewind Cc: draft-ietf-ippm-stamp@ietf.org, IPPM Chairs , IETF IPPM WG Content-Type: multipart/alternative; boundary="000000000000221847058d2ea0e6" Archived-At: Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Jul 2019 17:18:24 -0000 --000000000000221847058d2ea0e6 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Mirja, thank you for the suggested text. The new paragraph now reads as: Load of STAMP test packets offered to a network MUST be carefully estimated, and the possible impact on the existing services MUST be thoroughly analyzed before launching the test session. [RFC8085] section 3.1.5 provides guidance on handling network load for UDP-based protocol. While the characteristic of test traffic depends on the test objective, it is highly recommended to stay in the limits as provided in [RFC8085]. If it is acceptable, I'd like to upload the updated version of draft-ieff-ippm-stamp before the cut-off deadline. Regards, Greg On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind wrote= : > Hi Greg, > > See below. > > > On 8. Jul 2019, at 16:54, Greg Mirsky wrote: > > > > Hi Mirja, > > thank you for the reference to RFC 8085. I agree that the document is > very much relevant and a reference to RFC 8085 in STAMP is useful. While > reading Section 3.1.3 I came to think that the discussion and guidance in > other sections of RFC 8085, particularly, Section 3.1.5 Implications of R= TT > and Loss Measurements on Congestion Control. Would adding the reference t= o > that section in the new text proposed for the Security Considerations > section work? I'll put RFC 8085 as Informational reference as it is BCP. > > NEW TEXT: > > Load of STAMP test packets offered to a network MUST be carefully > > estimated, and the possible impact on the existing services MUST > > be thoroughly analyzed using [RFC8085] and its Section 3.1.5 in > > particular before launching the test session. > > > Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fine = for me. Or you > could have a separate sentence like: > > =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network load= for > UDP-based protocol. While the characteristic of test traffic depends on t= he > test objective, it is highly recommended to say in the limits as provided > in RFC8085.=E2=80=9D > > Or something similar=E2=80=A6 > > BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a downref= . > However, I think having this as informational ref is fine. > > Mirja > > > > > > > Regards, > > Greg > > > > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind > wrote: > > Hi Greg, > > > > Thanks a lot for you reply. Changes are good. I wonder if it would be > useful to provide a reference to RFC8085 because it has a lot of > information about congestion control of UDP based traffic? It recommends = to > send not more than 1 packet per 3 seconds (if RTT is unknown). I guess it > doesn=E2=80=99t make sense to require this for testing traffic, however, = it could > maybe still be a good recommendation? What do you think? > > > > Also I=E2=80=99ve just resend my review to the IPPM list, as I unfortun= ately > cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can you res= end you > proposed changes to the list, so other people are aware of these changes. > Sorry for the unconvience. > > > > Mirja > > > > > > > On 6. Jul 2019, at 17:46, Greg Mirsky wrote: > > > > > > Hi Mirja, > > > thank you for your thorough review, very pointed and helpful comments= . > Please find my responses in-lined and tagged GIM>>. Attached the diff. > > > > > > Regards, > > > Greg > > > > > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind > wrote: > > > Hi authors, hi all, > > > > > > Thanks for this well-written document and very good shepherd write-up= ! > I would like discuss one point before I start IETF last call. > > > > > > I believe this document should say something about network load and > congestion (control). OWAMP and TWAMP discuss quite a bit sender > scheduling, however, as this is a simplified version, so I think it could > at least be good to put a waring in this document that packet sending > should be somehow rate limited. I know it might be hard to provide more > concrete guidance but at least having some discussion or warning in this > document could be good. > > > GIM>> Thank you for your suggestion. Security Considerations section > points to the fact that STAMP does not include control and management > components: > > > Because of the control > > > and management of a STAMP test being outside the scope of this > > > specification only the more general requirement is set: > > > adding the new text here: > > > Load of STAMP test packets offered to a network MUST be careful= ly > > > estimated, and the possible impact on the existing services MUS= T > > > be thoroughly analyzed before launching the test session. > > > > > > > > > Another comment: You only say at the very end that a certain UDP port > is used, which implies that STAMP runs over UDP. However, I think you > should mention at the very beginning that this is a UDP-based protocol. > Just to make things crystal clear. > > > GIM>> Adding the reference to "UDP transport" into the first sentence > of Theory of Operations section: > > > STAMP Session-Sender transmits test packets over UDP transport > toward STAMP Session-Reflector. > > > > > > Mirja > > > > > > P.S.: > > > Nit: s/This document defines active performance measurement test > protocol/ This document defines an active performance measurement test > protocol/ > > > -> =E2=80=9Can=E2=80=9D missing > > > GIM>> Thank you. Done. > > > draft-ietf-ippm-stamp-07.txt.html> > > > > --000000000000221847058d2ea0e6 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Mirja,
thank you for the suggested text. The new pa= ragraph now reads as:
=C2=A0 =C2=A0 =C2=A0 Load of STAMP test pac= kets offered to a network MUST be carefully
=C2=A0 =C2=A0 =C2=A0 estimat= ed, and the possible impact on the existing services MUST
=C2=A0 =C2=A0 = =C2=A0 be thoroughly analyzed before launching the test session.
=C2=A0 = =C2=A0 =C2=A0 [RFC8085] section 3.1.5 provides guidance on handling network= load
=C2=A0 =C2=A0 =C2=A0 for UDP-based protocol.=C2=A0 While the chara= cteristic of test traffic
=C2=A0 =C2=A0 =C2=A0 depends on the test objec= tive, it is highly recommended to stay in
=C2=A0 =C2=A0 =C2=A0 the limit= s as provided in [RFC8085].

If it is acceptabl= e, I'd like to upload the updated version of draft-ieff-ippm-stamp befo= re the cut-off deadline.

Regards,
Greg

On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote:
Hi Greg,

See below.

> On 8. Jul 2019, at 16:54, Greg Mirsky <gregimirsky@gmail.com> wrote:
>
> Hi Mirja,
> thank you for the reference to RFC 8085. I agree that the document is = very much relevant and a reference to RFC 8085 in STAMP is useful. While re= ading Section 3.1.3 I came to think that the discussion and guidance in oth= er sections of RFC 8085, particularly, Section 3.1.5 Implications of RTT an= d Loss Measurements on Congestion Control. Would adding the reference to th= at section in the new text proposed for the Security Considerations section= work? I'll put RFC 8085 as Informational reference as it is BCP.
> NEW TEXT:
>=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a netw= ork MUST be carefully
>=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on the ex= isting services MUST
>=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed using [RFC8085] and i= ts Section 3.1.5 in
>=C2=A0 =C2=A0 =C2=A0 =C2=A0particular before launching the test session= .


Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fine fo= r me. Or you could have a separate sentence like:

=E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network load f= or UDP-based protocol. While the characteristic of test traffic depends on = the test objective, it is highly recommended to say in the limits as provid= ed in RFC8085.=E2=80=9D

Or something similar=E2=80=A6

BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a downref. = However, I think having this as informational ref is fine.

Mirja



>
> Regards,
> Greg
>
> On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote: > Hi Greg,
>
> Thanks a lot for you reply. Changes are good. I wonder if it would be = useful to provide a reference to RFC8085 because it has a lot of informatio= n about congestion control of UDP based traffic? It recommends to send not = more than 1 packet per 3 seconds (if RTT is unknown). I guess it doesn=E2= =80=99t make sense to require this for testing traffic, however, it could m= aybe still be a good recommendation? What do you think?
>
> Also I=E2=80=99ve just resend my review to the IPPM list, as I unfortu= nately cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can yo= u resend you proposed changes to the list, so other people are aware of the= se changes. Sorry for the unconvience.
>
> Mirja
>
>
> > On 6. Jul 2019, at 17:46, Greg Mirsky <gregimirsky@gmail.com> wrote: > >
> > Hi Mirja,
> > thank you for your thorough review, very pointed and helpful comm= ents. Please find my responses in-lined and tagged GIM>>. Attached th= e diff.
> >
> > Regards,
> > Greg
> >
> > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind <ietf@kuehlewind.net> wro= te:
> > Hi authors, hi all,
> >
> > Thanks for this well-written document and very good shepherd writ= e-up! I would like discuss one point before I start IETF last call.
> >
> > I believe this document should say something about network load a= nd congestion (control). OWAMP and TWAMP discuss quite a bit sender schedul= ing, however, as this is a simplified version, so I think it could at least= be good to put a waring in this document that packet sending should be som= ehow rate limited. I know it might be hard to provide more concrete guidanc= e but at least having some discussion or warning in this document could be = good.
> > GIM>>=C2=A0 Thank you for your suggestion. Security Conside= rations section points to the fact that STAMP does not include control and = management components:
> >=C2=A0 =C2=A0 Because of the control
> >=C2=A0 =C2=A0 and management of a STAMP test being outside the sco= pe of this
> >=C2=A0 =C2=A0 specification only the more general requirement is s= et:
> > adding the new text here:
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a= network MUST be carefully
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on t= he existing services MUST
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed before launching= the test session.
> >
> >
> > Another comment: You only say at the very end that a certain UDP = port is used, which implies that STAMP runs over UDP. However, I think you = should mention at the very beginning that this is a UDP-based protocol. Jus= t to make things crystal clear.
> > GIM>> Adding the reference to "UDP transport" int= o the first sentence of Theory of=C2=A0 Operations section:
> >=C2=A0 =C2=A0 STAMP Session-Sender transmits test packets over UDP= transport toward STAMP Session-Reflector.
> >
> > Mirja
> >
> > P.S.:
> > Nit: s/This document defines active performance measurement test = protocol/ This document defines an active performance measurement test prot= ocol/
> > -> =E2=80=9Can=E2=80=9D missing
> > GIM>> Thank you. Done.
> > <Diff_ draft-ietf-ippm-stamp-06.txt - draft-ietf-ippm-stamp-07= .txt.html>
>

--000000000000221847058d2ea0e6-- From nobody Mon Jul 8 10:28:04 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 44D1112030E; Mon, 8 Jul 2019 10:27:51 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.001 X-Spam-Level: X-Spam-Status: No, score=-2.001 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=apple.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vR7yb2dx1kw7; Mon, 8 Jul 2019 10:27:49 -0700 (PDT) Received: from ma1-aaemail-dr-lapp03.apple.com (ma1-aaemail-dr-lapp03.apple.com [17.171.2.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 04F1112044E; Mon, 8 Jul 2019 10:27:47 -0700 (PDT) Received: from pps.filterd (ma1-aaemail-dr-lapp03.apple.com [127.0.0.1]) by ma1-aaemail-dr-lapp03.apple.com (8.16.0.27/8.16.0.27) with SMTP id x68HQQ5k046700; Mon, 8 Jul 2019 10:27:46 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=apple.com; h=sender : from : content-type : content-transfer-encoding : mime-version : subject : message-id : date : cc : to; s=20180706; bh=8n0/AVrL4Qo07QNY66mKbY07hvx9o4mFEp8FTQDScFE=; b=nhBsOY7P113awglLenQpJdIV5iUSIrmy8PqE3fPVdpXAg9QDi/HgDhYfxo6RDbf92RTT +9Z+pWjyiG8xIptxeZnLpmDvWnUukwKeKPxOdVDAcoJFUcs8TG+BqYEdSCvXUyRCZJI4 dEwWFKgeKPcGvPwrqhD1KYRYNOm8L5Xvr4tCQ+rEEV7HaUKR7B1AHp+YBow2Mv9wNDFz BMltFd2L8QcH0+zAIZMkxMn3cJzlBKcvcC+t//BRjCh8s+MFeCTyIDuIwrWD7obgRdY0 2yM3dCM8UPwiDhPbV1i49Ml1M3RmIvgTDJM2T9Lw/gZsnBfEmOgGVDFJYAmoUt1ZZ00o 8Q== Received: from ma1-mtap-s01.corp.apple.com (ma1-mtap-s01.corp.apple.com [17.40.76.5]) by ma1-aaemail-dr-lapp03.apple.com with ESMTP id 2tjtmwpn0d-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Mon, 08 Jul 2019 10:27:46 -0700 Received: from nwk-mmpp-sz11.apple.com (nwk-mmpp-sz11.apple.com [17.128.115.155]) by ma1-mtap-s01.corp.apple.com (Oracle Communications Messaging Server 8.0.2.4.20190507 64bit (built May 7 2019)) with ESMTPS id <0PUC00ASO365JS50@ma1-mtap-s01.corp.apple.com>; Mon, 08 Jul 2019 10:27:43 -0700 (PDT) Received: from process_milters-daemon.nwk-mmpp-sz11.apple.com by nwk-mmpp-sz11.apple.com (Oracle Communications Messaging Server 8.0.2.4.20190507 64bit (built May 7 2019)) id <0PUC006002MW1000@nwk-mmpp-sz11.apple.com>; Mon, 08 Jul 2019 10:27:41 -0700 (PDT) X-Va-A: X-Va-T-CD: 159681ac17b4bf28eab1955e26a63a9c X-Va-E-CD: b7ceb33f6b83eee5ac171bbe8a6ab058 X-Va-R-CD: 50b466853aa299ae866843dc5c5df28c X-Va-CD: 0 X-Va-ID: 0b321c76-5eae-4844-80b2-7b3eaf594a65 X-V-A: X-V-T-CD: 159681ac17b4bf28eab1955e26a63a9c X-V-E-CD: b7ceb33f6b83eee5ac171bbe8a6ab058 X-V-R-CD: 50b466853aa299ae866843dc5c5df28c X-V-CD: 0 X-V-ID: 36aeae72-4c23-4f5d-a724-ba4958163f84 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-07-08_05:,, signatures=0 Received: from [17.234.80.113] by nwk-mmpp-sz11.apple.com (Oracle Communications Messaging Server 8.0.2.4.20190507 64bit (built May 7 2019)) with ESMTPSA id <0PUC0025E3655G70@nwk-mmpp-sz11.apple.com>; Mon, 08 Jul 2019 10:27:41 -0700 (PDT) Sender: tpauly@apple.com From: Tommy Pauly Content-type: text/plain; charset=us-ascii Content-transfer-encoding: quoted-printable MIME-version: 1.0 (Mac OS X Mail 12.4 \(3445.104.2\)) Message-id: Date: Mon, 08 Jul 2019 10:27:21 -0700 Cc: IPPM Chairs To: IETF IPPM WG X-Mailer: Apple Mail (2.3445.104.2) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-08_05:, , signatures=0 Archived-At: Subject: [ippm] IPPM Agenda for IETF 105 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Jul 2019 17:27:59 -0000 Hello IPPM, We've uploaded the initial agenda for our IETF 105 IPPM meeting here: = https://datatracker.ietf.org/meeting/105/materials/agenda-105-ippm Thanks to everyone who responded to our presentation slot request! If = you do have a slot on the agenda, please email the chairs with your = slides by Sunday, 7/21. If you have any questions, please feel free to = email the chairs. Best, Tommy, Brian, & Bill= From nobody Mon Jul 8 14:02:18 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E3F18120073 for ; Mon, 8 Jul 2019 14:02:11 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.704 X-Spam-Level: X-Spam-Status: No, score=-0.704 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, PDS_NO_HELO_DNS=1.295, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=broadcom.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id AcD2LG5VbGpK for ; Mon, 8 Jul 2019 14:02:09 -0700 (PDT) Received: from mail-pg1-x534.google.com (mail-pg1-x534.google.com [IPv6:2607:f8b0:4864:20::534]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id EE6E812008C for ; Mon, 8 Jul 2019 14:02:08 -0700 (PDT) Received: by mail-pg1-x534.google.com with SMTP id i8so8263054pgm.13 for ; Mon, 08 Jul 2019 14:02:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:message-id:mime-version:subject:date:in-reply-to:cc:to :references; bh=5H48EY7Yz2mygBt6RvO8UEd3yBfKkcWw8r3ejX6Shg4=; b=V7HzKwWciP/Cj+FKNzAPO8J6h1l7SUpN1C0t2oMdMm72V5UGo3xgTEUQLoRc+oiJT4 xlGPtqHvN1mZt1t6Zmw1Ym1U7Mi6QBtJxq/HwtgKS/zQ7sKX1OsHbjqWj5n8SNmON9QG ONkMexRkTuf5oNULj+SqvFwTU03LudMwqdO/I= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:message-id:mime-version:subject:date :in-reply-to:cc:to:references; bh=5H48EY7Yz2mygBt6RvO8UEd3yBfKkcWw8r3ejX6Shg4=; b=gM8hfPhARB71UvkQ+EmYNPLtQ1aqhXQv6dVRUEEUTBkHhN9AiecV1mOYzDVp5KGSyJ +e/T88IpJ6+qOkZIVPz8lMFpr9iSkhl6Dyt7LNJkoAagm2F5UTioMwAZ2AEXnMLXgR8h G/alpX5Te9+xP4h8ZWIrIhUUGjq59Dl53tylsQ4l6lYf9ovgG7dDl//Yg7r3HMn/ZdUk dOR+sVsofZFRsRdLBA3v3mlR8MtQiZs73lATCE7wwKRvOYhb/w0S5T/tPvOkdI3Ymkzn Nii4R9k7INZXMvKRWH72jTDVxVAKNaqOWB2wBv85BCQNEZvZSYhi0q9Of6zjUiTTnkq8 yypw== X-Gm-Message-State: APjAAAVXpL3N7B6QMx0UMO0fRuU5BmqEuqhBe5/UIA1gjLIPpPZ2QwkM 6fpPDRh7FlR/tiA45cuef/vghw== X-Google-Smtp-Source: APXvYqzqowjqw5mMaGsfEKt8SY1S0Wa9usZ606SFrQhtX/VMUy1DaJLM6XouosDq6Uz7cPmNsD3+uQ== X-Received: by 2002:a17:90a:1b4c:: with SMTP id q70mr27509094pjq.69.1562619728178; Mon, 08 Jul 2019 14:02:08 -0700 (PDT) Received: from c02rq0djfvh9.wifi.broadcom.net ([192.19.222.250]) by smtp.gmail.com with ESMTPSA id t8sm23181982pfq.31.2019.07.08.14.02.06 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 08 Jul 2019 14:02:07 -0700 (PDT) From: Shahram Davari Message-Id: Content-Type: multipart/alternative; boundary="Apple-Mail=_29049B5E-A088-4364-AC6D-97D25D6FBE96" Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) Date: Mon, 8 Jul 2019 14:02:02 -0700 In-Reply-To: Cc: Mirja Kuehlewind , IPPM Chairs , IETF IPPM WG , draft-ietf-ippm-stamp@ietf.org To: Greg Mirsky References: <11938018-8A65-483B-8176-A6E1C2A265A3@kuehlewind.net> X-Mailer: Apple Mail (2.3445.9.1) Archived-At: Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Jul 2019 21:02:12 -0000 --Apple-Mail=_29049B5E-A088-4364-AC6D-97D25D6FBE96 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 HI Greg I read your draft and have the following questions: 1) Does it require any UDP/TCP port number or it reuses the one from = TWAMP? if it reuses from TWAMP then how does the receiver differentiate = between TWAMP and STAMP? 2) What is the benefit of STAMO compared to TWAMP? 3) Why is there so much MBZ byte? Thx Shahram > On Jul 8, 2019, at 10:17 AM, Greg Mirsky = wrote: >=20 > Hi Mirja, > thank you for the suggested text. The new paragraph now reads as: > Load of STAMP test packets offered to a network MUST be = carefully > estimated, and the possible impact on the existing services MUST > be thoroughly analyzed before launching the test session. > [RFC8085] section 3.1.5 provides guidance on handling network = load > for UDP-based protocol. While the characteristic of test = traffic > depends on the test objective, it is highly recommended to stay = in > the limits as provided in [RFC8085]. >=20 > If it is acceptable, I'd like to upload the updated version of = draft-ieff-ippm-stamp before the cut-off deadline. >=20 > Regards, > Greg >=20 > On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind > wrote: > Hi Greg, >=20 > See below. >=20 > > On 8. Jul 2019, at 16:54, Greg Mirsky > wrote: > >=20 > > Hi Mirja, > > thank you for the reference to RFC 8085. I agree that the document = is very much relevant and a reference to RFC 8085 in STAMP is useful. = While reading Section 3.1.3 I came to think that the discussion and = guidance in other sections of RFC 8085, particularly, Section 3.1.5 = Implications of RTT and Loss Measurements on Congestion Control. Would = adding the reference to that section in the new text proposed for the = Security Considerations section work? I'll put RFC 8085 as Informational = reference as it is BCP. > > NEW TEXT: > > Load of STAMP test packets offered to a network MUST be = carefully > > estimated, and the possible impact on the existing services = MUST > > be thoroughly analyzed using [RFC8085] and its Section 3.1.5 = in > > particular before launching the test session.. >=20 >=20 > Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise = fine for me. Or you could have a separate sentence like: >=20 > =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network = load for UDP-based protocol. While the characteristic of test traffic = depends on the test objective, it is highly recommended to say in the = limits as provided in RFC8085.=E2=80=9D >=20 > Or something similar=E2=80=A6 >=20 > BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a = downref. However, I think having this as informational ref is fine. >=20 > Mirja >=20 >=20 >=20 > >=20 > > Regards, > > Greg > >=20 > > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind > wrote: > > Hi Greg, > >=20 > > Thanks a lot for you reply. Changes are good. I wonder if it would = be useful to provide a reference to RFC8085 because it has a lot of = information about congestion control of UDP based traffic? It recommends = to send not more than 1 packet per 3 seconds (if RTT is unknown). I = guess it doesn=E2=80=99t make sense to require this for testing traffic, = however, it could maybe still be a good recommendation? What do you = think? > >=20 > > Also I=E2=80=99ve just resend my review to the IPPM list, as I = unfortunately cc=E2=80=99ed only the IPPM chairs instead of the whole = list. Can you resend you proposed changes to the list, so other people = are aware of these changes. Sorry for the unconvience. > >=20 > > Mirja > >=20 > >=20 > > > On 6. Jul 2019, at 17:46, Greg Mirsky > wrote: > > >=20 > > > Hi Mirja, > > > thank you for your thorough review, very pointed and helpful = comments. Please find my responses in-lined and tagged GIM>>. Attached = the diff. > > >=20 > > > Regards, > > > Greg > > >=20 > > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind = > wrote: > > > Hi authors, hi all, > > >=20 > > > Thanks for this well-written document and very good shepherd = write-up! I would like discuss one point before I start IETF last call. > > >=20 > > > I believe this document should say something about network load = and congestion (control). OWAMP and TWAMP discuss quite a bit sender = scheduling, however, as this is a simplified version, so I think it = could at least be good to put a waring in this document that packet = sending should be somehow rate limited. I know it might be hard to = provide more concrete guidance but at least having some discussion or = warning in this document could be good. > > > GIM>> Thank you for your suggestion. Security Considerations = section points to the fact that STAMP does not include control and = management components: > > > Because of the control > > > and management of a STAMP test being outside the scope of this > > > specification only the more general requirement is set: > > > adding the new text here: > > > Load of STAMP test packets offered to a network MUST be = carefully > > > estimated, and the possible impact on the existing services = MUST > > > be thoroughly analyzed before launching the test session. > > >=20 > > >=20 > > > Another comment: You only say at the very end that a certain UDP = port is used, which implies that STAMP runs over UDP. However, I think = you should mention at the very beginning that this is a UDP-based = protocol. Just to make things crystal clear. > > > GIM>> Adding the reference to "UDP transport" into the first = sentence of Theory of Operations section: > > > STAMP Session-Sender transmits test packets over UDP transport = toward STAMP Session-Reflector. > > >=20 > > > Mirja > > >=20 > > > P.S.: > > > Nit: s/This document defines active performance measurement test = protocol/ This document defines an active performance measurement test = protocol/ > > > -> =E2=80=9Can=E2=80=9D missing > > > GIM>> Thank you. Done.=20 > > > > >=20 >=20 > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm --Apple-Mail=_29049B5E-A088-4364-AC6D-97D25D6FBE96 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 HI = Greg

I read your = draft and have the following questions:

1) Does it require any UDP/TCP port = number or it reuses the one from TWAMP? if it reuses from TWAMP then =  how does the receiver differentiate between TWAMP and = STAMP?
2) What is the benefit of STAMO compared to = TWAMP?
3) Why is there so much MBZ byte?

Thx
Shahram

On Jul 8, 2019, at 10:17 AM, = Greg Mirsky <gregimirsky@gmail.com> wrote:

Hi Mirja,
thank you for the suggested text. = The new paragraph now reads as:
    =   Load of STAMP test packets offered to a network MUST be = carefully
      estimated, and the possible = impact on the existing services MUST
      = be thoroughly analyzed before launching the test session.
      [RFC8085] section 3.1.5 provides = guidance on handling network load
      for = UDP-based protocol.  While the characteristic of test traffic
      depends on the test objective, it is = highly recommended to stay in
      the = limits as provided in [RFC8085].

If it is acceptable, I'd like to upload = the updated version of draft-ieff-ippm-stamp before the cut-off = deadline.

Regards,
Greg

On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind = <ietf@kuehlewind.net> wrote:
Hi Greg,

See below.

> On 8. Jul 2019, at 16:54, Greg Mirsky <gregimirsky@gmail.com> wrote:
>
> Hi Mirja,
> thank you for the reference to RFC 8085. I agree that the document = is very much relevant and a reference to RFC 8085 in STAMP is useful. = While reading Section 3.1.3 I came to think that the discussion and = guidance in other sections of RFC 8085, particularly, Section 3.1.5 = Implications of RTT and Loss Measurements on Congestion Control. Would = adding the reference to that section in the new text proposed for the = Security Considerations section work? I'll put RFC 8085 as Informational = reference as it is BCP.
> NEW TEXT:
>       Load of STAMP test packets offered to a = network MUST be carefully
>       estimated, and the possible impact on the = existing services MUST
>       be thoroughly analyzed using [RFC8085] = and its Section 3.1.5 in
>       particular before launching the test = session..


Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fine = for me. Or you could have a separate sentence like:

=E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network = load for UDP-based protocol. While the characteristic of test traffic = depends on the test objective, it is highly recommended to say in the = limits as provided in RFC8085.=E2=80=9D

Or something similar=E2=80=A6

BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a = downref. However, I think having this as informational ref is fine.

Mirja



>
> Regards,
> Greg
>
> On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote:
> Hi Greg,
>
> Thanks a lot for you reply. Changes are good. I wonder if it would = be useful to provide a reference to RFC8085 because it has a lot of = information about congestion control of UDP based traffic? It recommends = to send not more than 1 packet per 3 seconds (if RTT is unknown). I = guess it doesn=E2=80=99t make sense to require this for testing traffic, = however, it could maybe still be a good recommendation? What do you = think?
>
> Also I=E2=80=99ve just resend my review to the IPPM list, as I = unfortunately cc=E2=80=99ed only the IPPM chairs instead of the whole = list. Can you resend you proposed changes to the list, so other people = are aware of these changes. Sorry for the unconvience.
>
> Mirja
>
>
> > On 6. Jul 2019, at 17:46, Greg Mirsky <gregimirsky@gmail.com> wrote:
> >
> > Hi Mirja,
> > thank you for your thorough review, very pointed and helpful = comments. Please find my responses in-lined and tagged GIM>>. = Attached the diff.
> >
> > Regards,
> > Greg
> >
> > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote:
> > Hi authors, hi all,
> >
> > Thanks for this well-written document and very good shepherd = write-up! I would like discuss one point before I start IETF last = call.
> >
> > I believe this document should say something about network = load and congestion (control). OWAMP and TWAMP discuss quite a bit = sender scheduling, however, as this is a simplified version, so I think = it could at least be good to put a waring in this document that packet = sending should be somehow rate limited. I know it might be hard to = provide more concrete guidance but at least having some discussion or = warning in this document could be good.
> > GIM>>  Thank you for your suggestion. Security = Considerations section points to the fact that STAMP does not include = control and management components:
> >    Because of the control
> >    and management of a STAMP test being outside the = scope of this
> >    specification only the more general requirement = is set:
> > adding the new text here:
> >       Load of STAMP test packets offered = to a network MUST be carefully
> >       estimated, and the possible impact = on the existing services MUST
> >       be thoroughly analyzed before = launching the test session.
> >
> >
> > Another comment: You only say at the very end that a certain = UDP port is used, which implies that STAMP runs over UDP. However, I = think you should mention at the very beginning that this is a UDP-based = protocol. Just to make things crystal clear.
> > GIM>> Adding the reference to "UDP transport" into the = first sentence of Theory of  Operations section:
> >    STAMP Session-Sender transmits test packets over = UDP transport toward STAMP Session-Reflector.
> >
> > Mirja
> >
> > P.S.:
> > Nit: s/This document defines active performance measurement = test protocol/ This document defines an active performance measurement = test protocol/
> > -> =E2=80=9Can=E2=80=9D missing
> > GIM>> Thank you. Done.
> > <Diff_ draft-ietf-ippm-stamp-06.txt - = draft-ietf-ippm-stamp-07..txt.html>
>

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= --Apple-Mail=_29049B5E-A088-4364-AC6D-97D25D6FBE96-- From nobody Mon Jul 8 15:48:28 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4565912033F; Mon, 8 Jul 2019 15:48:14 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2 X-Spam-Level: X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=apple.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HC9ctSARs_pi; Mon, 8 Jul 2019 15:48:11 -0700 (PDT) Received: from ma1-aaemail-dr-lapp01.apple.com (ma1-aaemail-dr-lapp01.apple.com [17.171.2.60]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A691312037A; Mon, 8 Jul 2019 15:48:06 -0700 (PDT) Received: from pps.filterd (ma1-aaemail-dr-lapp01.apple.com [127.0.0.1]) by ma1-aaemail-dr-lapp01.apple.com (8.16.0.27/8.16.0.27) with SMTP id x68MkTUx002864; Mon, 8 Jul 2019 15:48:05 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=apple.com; h=sender : from : content-type : mime-version : subject : message-id : date : cc : to; s=20180706; bh=lgEreRCGiBhKMjSdhgStykqmb2K4bRFUaXyvAV3+AtY=; b=oLDvNqwfEkxx3eTqmh3Bi/Zk8H04g01+I3qgApVi1aMq2hH47h7EwgNaB1BALp21SEoe 0S0ZzvWW+n0FyexFfIOQmlSjKheBj4d9iGHa5WTzHBcxUflBvO0vC7/2GAuJfbO36JX8 Hf8GczZJsHoTWDXGFbV7ECkzpRPHTrHdVX+WXs6YHp7xn42fXpt1bEn+zMhWS43KUlYo VnmZARNqK5uI1xayL4RQ12RW65GJOCKcB+szFPGCB/fCIb5r5kSOKzZDZn56IAD1T95J bziSK5fN7t7HPWMJCdWGMdqc+arA6Xrg6CPeMEeUf1D3XIJYDPUNE1wTZonEeU0Zcqyz BA== Received: from ma1-mtap-s02.corp.apple.com (ma1-mtap-s02.corp.apple.com [17.40.76.6]) by ma1-aaemail-dr-lapp01.apple.com with ESMTP id 2tjta5f625-25 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Mon, 08 Jul 2019 15:48:05 -0700 Received: from nwk-mmpp-sz12.apple.com (nwk-mmpp-sz12.apple.com [17.128.115.204]) by ma1-mtap-s02.corp.apple.com (Oracle Communications Messaging Server 8.0.2.4.20190507 64bit (built May 7 2019)) with ESMTPS id <0PUC00905I01JK10@ma1-mtap-s02.corp.apple.com>; Mon, 08 Jul 2019 15:48:04 -0700 (PDT) Received: from process_milters-daemon.nwk-mmpp-sz12.apple.com by nwk-mmpp-sz12.apple.com (Oracle Communications Messaging Server 8.0.2.4.20190507 64bit (built May 7 2019)) id <0PUC00C00HOEF300@nwk-mmpp-sz12.apple.com>; Mon, 08 Jul 2019 15:48:02 -0700 (PDT) X-Va-A: X-Va-T-CD: 159681ac17b4bf28eab1955e26a63a9c X-Va-E-CD: 276bfb8eba29c25e39e32910fb6efa1b X-Va-R-CD: 8f87ab8fec608bfe0aa67116f2ceeddc X-Va-CD: 0 X-Va-ID: 5adb4583-c73d-468d-8553-2a0d43d717be X-V-A: X-V-T-CD: 159681ac17b4bf28eab1955e26a63a9c X-V-E-CD: 276bfb8eba29c25e39e32910fb6efa1b X-V-R-CD: 8f87ab8fec608bfe0aa67116f2ceeddc X-V-CD: 0 X-V-ID: 77fcd5ea-a22a-4bc0-bd21-9083c453066b X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-07-08_09:,, signatures=0 Received: from tpauly.scv.apple.com (tpauly.scv.apple.com [17.192.171.37]) by nwk-mmpp-sz12.apple.com (Oracle Communications Messaging Server 8.0.2.4.20190507 64bit (built May 7 2019)) with ESMTPSA id <0PUC00GVAHYTOL40@nwk-mmpp-sz12.apple.com>; Mon, 08 Jul 2019 15:47:20 -0700 (PDT) Sender: tpauly@apple.com From: Tommy Pauly Content-type: multipart/alternative; boundary="Apple-Mail=_C65CDF59-654B-4DE0-999E-D1D30C6FA09B" MIME-version: 1.0 (Mac OS X Mail 13.0 \(3560.7\)) Message-id: Date: Mon, 08 Jul 2019 15:47:17 -0700 Cc: draft-mirsky-ippm-stamp-option-tlv@ietf.org To: IETF IPPM WG X-Mailer: Apple Mail (2.3560.7) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-08_09:, , signatures=0 Archived-At: Subject: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tlv X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Jul 2019 22:48:22 -0000 --Apple-Mail=_C65CDF59-654B-4DE0-999E-D1D30C6FA09B Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Hello IPPM, This message begins an adoption call for = draft-mirsky-ippm-stamp-option-tlv, "Simple Two-way Active Measurement = Protocol Optional Extensions=E2=80=9D. The document has been discussed = on the list recently, with good input and reviews from the group. We=E2=80= =99d like to get the working group=E2=80=99s input on if this document = should be adopted and worked on by the group. The current status and text of the document can be found here: https://datatracker.ietf.org/doc/draft-mirsky-ippm-stamp-option-tlv/ = https://tools.ietf.org/html/draft-mirsky-ippm-stamp-option-tlv-05 = Please respond to this email by Tuesday, July 23 to indicate whether or = not you think IPPM should adopt and work on the extensions and extension = mechanism described in this draft. Best, Tommy (as IPPM co-chair)= --Apple-Mail=_C65CDF59-654B-4DE0-999E-D1D30C6FA09B Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
Hello IPPM,

This message begins an adoption call for = draft-mirsky-ippm-stamp-option-tlv, "Simple Two-way Active Measurement = Protocol Optional Extensions=E2=80=9D. The document has been discussed = on the list recently, with good input and reviews from the group. We=E2=80= =99d like to get the working group=E2=80=99s input on if this document = should be adopted and worked on by the group.

The current status and text of the = document can be found here:

https://datatracker.ietf.org/doc/draft-mirsky-ippm-stamp-option= -tlv/
https://tools.ietf.org/html/draft-mirsky-ippm-stamp-option-tlv-= 05

Please = respond to this email by Tuesday, July 23 to = indicate whether or not you think IPPM should adopt and work on the = extensions and extension mechanism described in this draft.

Best,
Tommy = (as IPPM co-chair)
= --Apple-Mail=_C65CDF59-654B-4DE0-999E-D1D30C6FA09B-- From nobody Mon Jul 8 15:50:28 2019 Return-Path: X-Original-To: ippm@ietf.org Delivered-To: ippm@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 7792512017D; Mon, 8 Jul 2019 15:50:18 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: IETF Secretariat To: , , X-Test-IDTracker: no X-IETF-IDTracker: 6.98.3 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <156262621848.1089.1261436185876550909.idtracker@ietfa.amsl.com> Date: Mon, 08 Jul 2019 15:50:18 -0700 Archived-At: Subject: [ippm] The IPPM WG has placed draft-mirsky-ippm-stamp-option-tlv in state "Call For Adoption By WG Issued" X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Jul 2019 22:50:26 -0000 The IPPM WG has placed draft-mirsky-ippm-stamp-option-tlv in state Call For Adoption By WG Issued (entered by Tommy Pauly) The document is available at https://datatracker.ietf.org/doc/draft-mirsky-ippm-stamp-option-tlv/ From nobody Mon Jul 8 16:12:21 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 127B51202F2; Mon, 8 Jul 2019 16:12:11 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.702 X-Spam-Level: X-Spam-Status: No, score=-0.702 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, PDS_NO_HELO_DNS=1.295, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lvqWX13WmI6d; Mon, 8 Jul 2019 16:12:09 -0700 (PDT) Received: from mail-pl1-x633.google.com (mail-pl1-x633.google.com [IPv6:2607:f8b0:4864:20::633]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 390DB120316; Mon, 8 Jul 2019 16:12:09 -0700 (PDT) Received: by mail-pl1-x633.google.com with SMTP id cl9so9010026plb.10; 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Mon, 08 Jul 2019 16:12:07 -0700 (PDT) Received: from [192.168.1.12] ([71.94.16.239]) by smtp.gmail.com with ESMTPSA id y11sm26018300pfb.119.2019.07.08.16.12.06 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 08 Jul 2019 16:12:06 -0700 (PDT) Date: Mon, 8 Jul 2019 16:12:00 -0700 From: Jeff Tantsura To: IETF IPPM WG , Tommy Pauly Cc: draft-mirsky-ippm-stamp-option-tlv@ietf.org Message-ID: <87abe391-b818-4a9f-97d0-9fcf9e639cb3@Spark> In-Reply-To: References: X-Readdle-Message-ID: 87abe391-b818-4a9f-97d0-9fcf9e639cb3@Spark MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="5d23cdc5_2463b9ea_c7f7" Archived-At: Subject: Re: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tlv X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Jul 2019 23:12:20 -0000 --5d23cdc5_2463b9ea_c7f7 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline yes/support Cheers, Jeff On Jul 8, 2019, 3:53 PM -0700, Tommy Pauly , wrote: > Hello IPPM, > > This message begins an adoption call for draft-mirsky-ippm-stamp-option= -tlv, =22Simple Two-way Active Measurement Protocol Optional Extensions=E2= =80=9D. The document has been discussed on the list recently, with good i= nput and reviews from the group. We=E2=80=99d like to get the working gro= up=E2=80=99s input on if this document should be adopted and worked on by= the group. > > The current status and text of the document can be found here: > > https://datatracker.ietf.org/doc/draft-mirsky-ippm-stamp-option-tlv/ > https://tools.ietf.org/html/draft-mirsky-ippm-stamp-option-tlv-05 > > Please respond to this email by Tuesday, July 23=C2=A0to indicate wheth= er or not you think IPPM should adopt and work on the extensions and exte= nsion mechanism described in this draft. > > Best, > Tommy (as IPPM co-chair) > =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F > ippm mailing list > ippm=40ietf.org > https://www.ietf.org/mailman/listinfo/ippm --5d23cdc5_2463b9ea_c7f7 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline
yes/support

Cheers,
Jeff
On Jul 8, 2019, 3:53 PM -0700, Tomm= y Pauly <tpauly=3D40apple.com=40dmarc.ietf.org>, wrote:
Hello IPPM,

This message begins an adoption call for draft-mirsky= -ippm-stamp-option-tlv, =22Simple Two-way Active Measurement Protocol Opt= ional Extensions=E2=80=9D. The document has been discussed on the list re= cently, with good input and reviews from the group. We=E2=80=99d like to = get the working group=E2=80=99s input on if this document should be adopt= ed and worked on by the group.

The current status and text of the document can be fo= und here:

https://datatracker.ietf.o= rg/doc/draft-mirsky-ippm-stamp-option-tlv/
https://tools.ietf.org/html/d= raft-mirsky-ippm-stamp-option-tlv-05

Please respond to this email by Tue= sday, July 23&=23160;to indicate whether or not you think IPPM should= adopt and work on the extensions and extension mechanism described in th= is draft.

Best,
Tommy (as IPPM co-chair)
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F
ippm mailing list
ippm=40ietf.org
https://www.ietf.org/mailman/listinfo/ippm
--5d23cdc5_2463b9ea_c7f7-- From nobody Mon Jul 8 16:15:02 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 92F7D1203A1; Mon, 8 Jul 2019 16:14:53 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.702 X-Spam-Level: X-Spam-Status: No, score=-0.702 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, PDS_NO_HELO_DNS=1.295, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OqqMSXKP_Sgh; Mon, 8 Jul 2019 16:14:50 -0700 (PDT) Received: from mail-lj1-x231.google.com (mail-lj1-x231.google.com [IPv6:2a00:1450:4864:20::231]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id DEB591201D0; Mon, 8 Jul 2019 16:14:49 -0700 (PDT) Received: by mail-lj1-x231.google.com with SMTP id k18so17621528ljc.11; Mon, 08 Jul 2019 16:14:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=yIPxFkub/8BmfkJF46qXjH5bQEPkwuYC7Wf+OQ3WXk0=; b=du472r3xiyDLAbBd7/4kniJ78A1iE+L/Dl7vp7cDqDRu8x6AipdVEmBiI5RAwVylUS 1xzDMO9CP1vm3mgZWAdtD/LDBAMrjLNUZwAcpPYPgITgjdbSeDD4dnGgNivey3PL0qkA YRe/jEt3sQ4TyvpVXuFr1waWSplNqzRKESOx7rWCCIInE5tD7UXctckYh1s56sxl2zfG 0tJz9XuS+fbsSQe7zqyu9obH9TkP2EbBmUNdHlRyQcsrE1BQV5/vJkyanKO9wqUyNW60 V1NLApJwpIfpwnOpuhCDNGqZl0u52e7wfO9++l2v1jzN65Ubx+jlfCh0AaCx10dl6+GX QDhQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=yIPxFkub/8BmfkJF46qXjH5bQEPkwuYC7Wf+OQ3WXk0=; b=K2zind6ymuNvqGMzAl4EpXlKBYXy+i5P/GFsuSFUyXQmCJIOCvMUaIG3EBGFAruXF2 +rOZevkKWY9FIC+qCM1d4kQLpdAcXaMStLfFF2h26FSdYbBXDhneGCev7sKbisij6Ee5 c0pw5TiRyZJ+GNjvZ4uSbh/RENujkOlkx6TtqRfxn1EEefgG5ME4+jMdbe8oU4ab7FpZ 7XX7Mx6aK4wMntrERZSAlWJHAHjNEggRFoIaCi51f8IKkGnHgaYIz4rjaNHZNwh3+kKR 8twbB9FRFa+fUsXUCEWvMsQl8md8xk/ucd5FVgrhVqH23YJxv3HgmtHAletq+i1fikKj RDOA== X-Gm-Message-State: APjAAAUyp7Hh+SufZgDOLPCHfCkSMjguXYtQRDqcdVkNUb3fUGE3OR7F eqDWLzytlx/Cloth7bhf3hQuNBHyQE/PVTzmnuI= X-Google-Smtp-Source: APXvYqzf4wxGG3MGaF2gwTpQWNXsBm+RpQeZetOY2Jx1mZeCE+T3i1MJfyF6VyTpmO0D0jzyDkyIOpXxAk4WWQuWN38= X-Received: by 2002:a2e:6c07:: with SMTP id h7mr9325512ljc.177.1562627687998; Mon, 08 Jul 2019 16:14:47 -0700 (PDT) MIME-Version: 1.0 References: <11938018-8A65-483B-8176-A6E1C2A265A3@kuehlewind.net> In-Reply-To: From: Greg Mirsky Date: Mon, 8 Jul 2019 16:14:37 -0700 Message-ID: To: Shahram Davari Cc: Mirja Kuehlewind , IPPM Chairs , IETF IPPM WG , draft-ietf-ippm-stamp@ietf.org Content-Type: multipart/alternative; boundary="000000000000426aed058d339c3f" Archived-At: Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Jul 2019 23:15:01 -0000 --000000000000426aed058d339c3f Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Shahram, thank you for the review and questions. Please find my answers below tagged GIM>>. Regards, Greg On Mon, Jul 8, 2019 at 2:02 PM Shahram Davari wrote: > HI Greg > > I read your draft and have the following questions: > > 1) Does it require any UDP/TCP port number or it reuses the one from > TWAMP? if it reuses from TWAMP then how does the receiver differentiate > between TWAMP and STAMP? > GIM>> STAMP uses the well-known UDP port number allocated for the OWAMP-Test/TWAMP-Test Receiver port (RFC 8545) as the default destination UDP port number. STAMP may use destination UDP port number from the Dynamic and/or Private Ports range 49152-65535. > 2) What is the benefit of STAMO compared to TWAMP? > GIM>> The work was driven by several observations, among them: - challenges in achieving interoperability among implementations of TWAMP-Light; - industry interest in standardizing performance monitoring in IP broadband access networks (TR-390); - improve extensibility of IP performance monitoring tool to support measurements, testing of new metrics and parameters, e.g., consistency o= f CoS in the network. 3) Why is there so much MBZ byte? > GIM>> It was agreed to make the symmetrical size of STAMP test packets the default. RFC 6038 defined it for TWAMP and TR-390 requires it to be supported by TWAMP-Light implementations. > > Thx > Shahram > > On Jul 8, 2019, at 10:17 AM, Greg Mirsky wrote: > > Hi Mirja, > thank you for the suggested text. The new paragraph now reads as: > Load of STAMP test packets offered to a network MUST be carefully > estimated, and the possible impact on the existing services MUST > be thoroughly analyzed before launching the test session. > [RFC8085] section 3.1.5 provides guidance on handling network load > for UDP-based protocol. While the characteristic of test traffic > depends on the test objective, it is highly recommended to stay in > the limits as provided in [RFC8085]. > > If it is acceptable, I'd like to upload the updated version of > draft-ieff-ippm-stamp before the cut-off deadline. > > Regards, > Greg > > On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind > wrote: > >> Hi Greg, >> >> See below. >> >> > On 8. Jul 2019, at 16:54, Greg Mirsky wrote: >> > >> > Hi Mirja, >> > thank you for the reference to RFC 8085. I agree that the document is >> very much relevant and a reference to RFC 8085 in STAMP is useful. While >> reading Section 3.1.3 I came to think that the discussion and guidance i= n >> other sections of RFC 8085, particularly, Section 3.1.5 Implications of = RTT >> and Loss Measurements on Congestion Control. Would adding the reference = to >> that section in the new text proposed for the Security Considerations >> section work? I'll put RFC 8085 as Informational reference as it is BCP. >> > NEW TEXT: >> > Load of STAMP test packets offered to a network MUST be carefull= y >> > estimated, and the possible impact on the existing services MUST >> > be thoroughly analyzed using [RFC8085] and its Section 3.1.5 in >> > particular before launching the test session.. >> >> >> Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fine= for me. Or you >> could have a separate sentence like: >> >> =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network loa= d for >> UDP-based protocol. While the characteristic of test traffic depends on = the >> test objective, it is highly recommended to say in the limits as provide= d >> in RFC8085.=E2=80=9D >> >> Or something similar=E2=80=A6 >> >> BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a downre= f. >> However, I think having this as informational ref is fine. >> >> Mirja >> >> >> >> > >> > Regards, >> > Greg >> > >> > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind >> wrote: >> > Hi Greg, >> > >> > Thanks a lot for you reply. Changes are good. I wonder if it would be >> useful to provide a reference to RFC8085 because it has a lot of >> information about congestion control of UDP based traffic? It recommends= to >> send not more than 1 packet per 3 seconds (if RTT is unknown). I guess i= t >> doesn=E2=80=99t make sense to require this for testing traffic, however,= it could >> maybe still be a good recommendation? What do you think? >> > >> > Also I=E2=80=99ve just resend my review to the IPPM list, as I unfortu= nately >> cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can you re= send you >> proposed changes to the list, so other people are aware of these changes= . >> Sorry for the unconvience. >> > >> > Mirja >> > >> > >> > > On 6. Jul 2019, at 17:46, Greg Mirsky wrote: >> > > >> > > Hi Mirja, >> > > thank you for your thorough review, very pointed and helpful >> comments. Please find my responses in-lined and tagged GIM>>. Attached t= he >> diff. >> > > >> > > Regards, >> > > Greg >> > > >> > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind >> wrote: >> > > Hi authors, hi all, >> > > >> > > Thanks for this well-written document and very good shepherd >> write-up! I would like discuss one point before I start IETF last call. >> > > >> > > I believe this document should say something about network load and >> congestion (control). OWAMP and TWAMP discuss quite a bit sender >> scheduling, however, as this is a simplified version, so I think it coul= d >> at least be good to put a waring in this document that packet sending >> should be somehow rate limited. I know it might be hard to provide more >> concrete guidance but at least having some discussion or warning in this >> document could be good. >> > > GIM>> Thank you for your suggestion. Security Considerations sectio= n >> points to the fact that STAMP does not include control and management >> components: >> > > Because of the control >> > > and management of a STAMP test being outside the scope of this >> > > specification only the more general requirement is set: >> > > adding the new text here: >> > > Load of STAMP test packets offered to a network MUST be >> carefully >> > > estimated, and the possible impact on the existing services MU= ST >> > > be thoroughly analyzed before launching the test session. >> > > >> > > >> > > Another comment: You only say at the very end that a certain UDP por= t >> is used, which implies that STAMP runs over UDP. However, I think you >> should mention at the very beginning that this is a UDP-based protocol. >> Just to make things crystal clear. >> > > GIM>> Adding the reference to "UDP transport" into the first sentenc= e >> of Theory of Operations section: >> > > STAMP Session-Sender transmits test packets over UDP transport >> toward STAMP Session-Reflector. >> > > >> > > Mirja >> > > >> > > P.S.: >> > > Nit: s/This document defines active performance measurement test >> protocol/ This document defines an active performance measurement test >> protocol/ >> > > -> =E2=80=9Can=E2=80=9D missing >> > > GIM>> Thank you. Done. >> > > > draft-ietf-ippm-stamp-07..txt.html> >> > >> >> _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm > > > --000000000000426aed058d339c3f Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Shahram,
thank you for the review = and questions. Please find my answers below tagged GIM>>.
<= br>
Regards,
Greg

On Mon, Jul 8, 2019 at 2:02 PM S= hahram Davari <shahram.da= vari@broadcom.com> wrote:
HI Greg

=
I read your draft and have the following questions:
1) Does it require any UDP/TCP port number or it reuses the on= e from TWAMP? if it reuses from TWAMP then =C2=A0how does the receiver diff= erentiate between TWAMP and STAMP?
GIM>>= STAMP uses the well-known UDP port number allocated for the OWAMP-Test/TWA= MP-Test Receiver port (RFC 8545) as the default destination UDP port number= . STAMP may use destination UDP port number from the Dynamic and/or Private= Ports range 49152-65535.
2) What is the benefit= of STAMO compared to TWAMP?
GIM>> The w= ork was driven by several observations, among them:
  • chall= enges in achieving interoperability among implementations of TWAMP-Light;
  • industry interest in standardizing performance monitoring in IP broa= dband access networks (TR-390);
  • improve extensibility of IP perform= ance monitoring tool to support measurements, testing of new metrics and pa= rameters, e.g., consistency of CoS in the network.=C2=A0
3) Why is there so much MBZ byte?
GIM>> It was agreed to make the symmetrical size of STAMP test= packets the default. RFC 6038 defined it for TWAMP and TR-390 requires it = to be supported by TWAMP-Light implementations.
=
Thx
Shahram

=
On Jul 8, 2019, at 10:17 AM, Greg Mirsky <gregimirsky@gmail.com> wrote:
Hi Mirja,
thank you for the suggested text. The new para= graph now reads as:
=C2=A0 =C2=A0 =C2=A0 Load of STAMP test packe= ts offered to a network MUST be carefully
=C2=A0 =C2=A0 =C2=A0 estimated= , and the possible impact on the existing services MUST
=C2=A0 =C2=A0 = =C2=A0 be thoroughly analyzed before launching the test session.
=C2=A0 = =C2=A0 =C2=A0 [RFC8085] section 3.1.5 provides guidance on handling network= load
=C2=A0 =C2=A0 =C2=A0 for UDP-based protocol.=C2=A0 While the chara= cteristic of test traffic
=C2=A0 =C2=A0 =C2=A0 depends on the test objec= tive, it is highly recommended to stay in
=C2=A0 =C2=A0 =C2=A0 the limit= s as provided in [RFC8085].

If it is acceptabl= e, I'd like to upload the updated version of draft-ieff-ippm-stamp befo= re the cut-off deadline.

Regards,
Greg

On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote:
Hi Greg,

See below.

> On 8. Jul 2019, at 16:54, Greg Mirsky <gregimirsky@gmail.com> wrote:
>
> Hi Mirja,
> thank you for the reference to RFC 8085. I agree that the document is = very much relevant and a reference to RFC 8085 in STAMP is useful. While re= ading Section 3.1.3 I came to think that the discussion and guidance in oth= er sections of RFC 8085, particularly, Section 3.1.5 Implications of RTT an= d Loss Measurements on Congestion Control. Would adding the reference to th= at section in the new text proposed for the Security Considerations section= work? I'll put RFC 8085 as Informational reference as it is BCP.
> NEW TEXT:
>=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a netw= ork MUST be carefully
>=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on the ex= isting services MUST
>=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed using [RFC8085] and i= ts Section 3.1.5 in
>=C2=A0 =C2=A0 =C2=A0 =C2=A0particular before launching the test session= ..


Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fine fo= r me. Or you could have a separate sentence like:

=E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network load f= or UDP-based protocol. While the characteristic of test traffic depends on = the test objective, it is highly recommended to say in the limits as provid= ed in RFC8085.=E2=80=9D

Or something similar=E2=80=A6

BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a downref. = However, I think having this as informational ref is fine.

Mirja



>
> Regards,
> Greg
>
> On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote: > Hi Greg,
>
> Thanks a lot for you reply. Changes are good. I wonder if it would be = useful to provide a reference to RFC8085 because it has a lot of informatio= n about congestion control of UDP based traffic? It recommends to send not = more than 1 packet per 3 seconds (if RTT is unknown). I guess it doesn=E2= =80=99t make sense to require this for testing traffic, however, it could m= aybe still be a good recommendation? What do you think?
>
> Also I=E2=80=99ve just resend my review to the IPPM list, as I unfortu= nately cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can yo= u resend you proposed changes to the list, so other people are aware of the= se changes. Sorry for the unconvience.
>
> Mirja
>
>
> > On 6. Jul 2019, at 17:46, Greg Mirsky <gregimirsky@gmail.com> wrote: > >
> > Hi Mirja,
> > thank you for your thorough review, very pointed and helpful comm= ents. Please find my responses in-lined and tagged GIM>>. Attached th= e diff.
> >
> > Regards,
> > Greg
> >
> > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind <ietf@kuehlewind.net> wro= te:
> > Hi authors, hi all,
> >
> > Thanks for this well-written document and very good shepherd writ= e-up! I would like discuss one point before I start IETF last call.
> >
> > I believe this document should say something about network load a= nd congestion (control). OWAMP and TWAMP discuss quite a bit sender schedul= ing, however, as this is a simplified version, so I think it could at least= be good to put a waring in this document that packet sending should be som= ehow rate limited. I know it might be hard to provide more concrete guidanc= e but at least having some discussion or warning in this document could be = good.
> > GIM>>=C2=A0 Thank you for your suggestion. Security Conside= rations section points to the fact that STAMP does not include control and = management components:
> >=C2=A0 =C2=A0 Because of the control
> >=C2=A0 =C2=A0 and management of a STAMP test being outside the sco= pe of this
> >=C2=A0 =C2=A0 specification only the more general requirement is s= et:
> > adding the new text here:
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a= network MUST be carefully
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on t= he existing services MUST
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed before launching= the test session.
> >
> >
> > Another comment: You only say at the very end that a certain UDP = port is used, which implies that STAMP runs over UDP. However, I think you = should mention at the very beginning that this is a UDP-based protocol. Jus= t to make things crystal clear.
> > GIM>> Adding the reference to "UDP transport" int= o the first sentence of Theory of=C2=A0 Operations section:
> >=C2=A0 =C2=A0 STAMP Session-Sender transmits test packets over UDP= transport toward STAMP Session-Reflector.
> >
> > Mirja
> >
> > P.S.:
> > Nit: s/This document defines active performance measurement test = protocol/ This document defines an active performance measurement test prot= ocol/
> > -> =E2=80=9Can=E2=80=9D missing
> > GIM>> Thank you. Done.
> > <Diff_ draft-ietf-ippm-stamp-06.txt - draft-ietf-ippm-stamp-07= ..txt.html>
>

_______________________________________________
ippm mailing list
ippm@ietf.org
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--000000000000426aed058d339c3f-- From nobody Mon Jul 8 17:09:50 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2B72F12036B; Mon, 8 Jul 2019 17:09:45 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.702 X-Spam-Level: X-Spam-Status: No, score=-0.702 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, PDS_NO_HELO_DNS=1.295, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id T5yZJRWJKl25; Mon, 8 Jul 2019 17:09:42 -0700 (PDT) Received: from mail-lj1-x22b.google.com (mail-lj1-x22b.google.com [IPv6:2a00:1450:4864:20::22b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 59B5F12008F; Mon, 8 Jul 2019 17:09:42 -0700 (PDT) Received: by mail-lj1-x22b.google.com with SMTP id d24so8617350ljg.8; Mon, 08 Jul 2019 17:09:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=xE64a5YHPZGUy56Wj8+9dyVoEiufZURRLQWw2Z+uT1Q=; b=sHf/htPTTXDlxZ7jMr+lEu7oFSNfO4PApJ9sBiBOE58f/uizprhHJCukmkzhNATlMP pB8hK7kJhqY0NkP597TKeVam5FdHRryLYtbug2WEVqWOVevwtF1P2omWbToMVKuUdhPf 30+Uynp+iHsFKnU4OTJXNWq4O4pdQJ7kYg+0oIoTY1hTTDs1QoJKfujylZDFn/1MrfKI rpPsgWhwaRbkanOOuGqwCfjRbYrnclERGGJCuuIWvpuVGLDfbgez1mKk321lTTI1tI89 xD6jVXf1/4vcSv+Jiib8UwntSLd/RUifLt2pbNn6fqelloLaMAciOgr1wnbkAX1Q0sk3 TSqA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=xE64a5YHPZGUy56Wj8+9dyVoEiufZURRLQWw2Z+uT1Q=; b=PqVLjjb9sU4DkW/aLtu5AWi4RsmViKAwfyFkN6BL7GKY3LUz29AewsHvyL07tuf4dM cuV2eDyEhCjvLM5qnx6TuatE8wudvdKh3oOEit6G2/zJKCeKvOOo8bllvh1igmOBGrKl AGn4oH6j0drgClPWRFTx+qzI5rQlFiNqAaa2j1sSm9QbOrMwiGLoNpbW/kiJ6R3jrhuC iTHvMMc7yDkpr7MbkbdPX8ADfppzFeWwWzp7M4WL1shudPCfHHpFZ8qeULJBL9dkKorC w5bHsYluPnFpm+ADyJsGmHLMXL5CQKMoz3ZXnhdBd+A3tDGmZA9hnlslDG9pFQcZgxGx aGlA== X-Gm-Message-State: APjAAAXYvRYfFQ0poVq1ebx16iHJ7sqg16RTNdrQFR3LY3ydWiBWatZR kEXFxACzPXVE0U/nMTjccuRePaKxFtN4B02NWw== X-Google-Smtp-Source: APXvYqzvew/559bftUujcUYEqs0r9wxFL45/kkp8SjDTZpN9Z6jCCqoXhtETXvXOgnsTCAB8pmOcN8qdZf/llutoSgI= X-Received: by 2002:a2e:9b83:: with SMTP id z3mr8473625lji.84.1562630980491; Mon, 08 Jul 2019 17:09:40 -0700 (PDT) MIME-Version: 1.0 References: <11938018-8A65-483B-8176-A6E1C2A265A3@kuehlewind.net> In-Reply-To: From: Rakesh Gandhi Date: Mon, 8 Jul 2019 20:09:28 -0400 Message-ID: To: Greg Mirsky Cc: Shahram Davari , draft-ietf-ippm-stamp@ietf.org, IPPM Chairs , Mirja Kuehlewind , IETF IPPM WG Content-Type: multipart/alternative; boundary="00000000000081e005058d346079" Archived-At: Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2019 00:09:49 -0000 --00000000000081e005058d346079 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Greg, Why limit the UDP port range to 49152-65535? Any free UDP port can be used, no? Thanks, Rakesh On Mon, Jul 8, 2019 at 7:20 PM Greg Mirsky wrote: > Hi Shahram, > thank you for the review and questions. Please find my answers below > tagged GIM>>. > > Regards, > Greg > > On Mon, Jul 8, 2019 at 2:02 PM Shahram Davari > wrote: > >> HI Greg >> >> I read your draft and have the following questions: >> >> 1) Does it require any UDP/TCP port number or it reuses the one from >> TWAMP? if it reuses from TWAMP then how does the receiver differentiate >> between TWAMP and STAMP? >> > GIM>> STAMP uses the well-known UDP port number allocated for the > OWAMP-Test/TWAMP-Test Receiver port (RFC 8545) as the default destination > UDP port number.. STAMP may use destination UDP port number from the > Dynamic and/or Private Ports range 49152-65535. > >> 2) What is the benefit of STAMO compared to TWAMP? >> > GIM>> The work was driven by several observations, among them: > > - challenges in achieving interoperability among implementations of > TWAMP-Light; > - industry interest in standardizing performance monitoring in IP > broadband access networks (TR-390); > - improve extensibility of IP performance monitoring tool to support > measurements, testing of new metrics and parameters, e.g., consistency= of > CoS in the network. > > 3) Why is there so much MBZ byte? >> > GIM>> It was agreed to make the symmetrical size of STAMP test packets th= e > default. RFC 6038 defined it for TWAMP and TR-390 requires it to be > supported by TWAMP-Light implementations. > >> >> Thx >> Shahram >> >> On Jul 8, 2019, at 10:17 AM, Greg Mirsky wrote: >> >> Hi Mirja, >> thank you for the suggested text. The new paragraph now reads as: >> Load of STAMP test packets offered to a network MUST be carefully >> estimated, and the possible impact on the existing services MUST >> be thoroughly analyzed before launching the test session. >> [RFC8085] section 3.1.5 provides guidance on handling network load >> for UDP-based protocol. While the characteristic of test traffic >> depends on the test objective, it is highly recommended to stay in >> the limits as provided in [RFC8085]. >> >> If it is acceptable, I'd like to upload the updated version of >> draft-ieff-ippm-stamp before the cut-off deadline. >> >> Regards, >> Greg >> >> On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind >> wrote: >> >>> Hi Greg, >>> >>> See below. >>> >>> > On 8. Jul 2019, at 16:54, Greg Mirsky wrote: >>> > >>> > Hi Mirja, >>> > thank you for the reference to RFC 8085. I agree that the document is >>> very much relevant and a reference to RFC 8085 in STAMP is useful. Whil= e >>> reading Section 3.1.3 I came to think that the discussion and guidance = in >>> other sections of RFC 8085, particularly, Section 3.1.5 Implications of= RTT >>> and Loss Measurements on Congestion Control. Would adding the reference= to >>> that section in the new text proposed for the Security Considerations >>> section work? I'll put RFC 8085 as Informational reference as it is BCP= . >>> > NEW TEXT: >>> > Load of STAMP test packets offered to a network MUST be careful= ly >>> > estimated, and the possible impact on the existing services MUS= T >>> > be thoroughly analyzed using [RFC8085] and its Section 3.1.5 in >>> > particular before launching the test session... >>> >>> >>> Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fin= e for me. Or you >>> could have a separate sentence like: >>> >>> =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network lo= ad for >>> UDP-based protocol. While the characteristic of test traffic depends on= the >>> test objective, it is highly recommended to say in the limits as provid= ed >>> in RFC8085.=E2=80=9D >>> >>> Or something similar=E2=80=A6 >>> >>> BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a downr= ef. >>> However, I think having this as informational ref is fine. >>> >>> Mirja >>> >>> >>> >>> > >>> > Regards, >>> > Greg >>> > >>> > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind >>> wrote: >>> > Hi Greg, >>> > >>> > Thanks a lot for you reply. Changes are good. I wonder if it would be >>> useful to provide a reference to RFC8085 because it has a lot of >>> information about congestion control of UDP based traffic? It recommend= s to >>> send not more than 1 packet per 3 seconds (if RTT is unknown). I guess = it >>> doesn=E2=80=99t make sense to require this for testing traffic, however= , it could >>> maybe still be a good recommendation? What do you think? >>> > >>> > Also I=E2=80=99ve just resend my review to the IPPM list, as I unfort= unately >>> cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can you r= esend you >>> proposed changes to the list, so other people are aware of these change= s. >>> Sorry for the unconvience. >>> > >>> > Mirja >>> > >>> > >>> > > On 6. Jul 2019, at 17:46, Greg Mirsky wrote= : >>> > > >>> > > Hi Mirja, >>> > > thank you for your thorough review, very pointed and helpful >>> comments. Please find my responses in-lined and tagged GIM>>. Attached = the >>> diff. >>> > > >>> > > Regards, >>> > > Greg >>> > > >>> > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind >>> wrote: >>> > > Hi authors, hi all, >>> > > >>> > > Thanks for this well-written document and very good shepherd >>> write-up! I would like discuss one point before I start IETF last call. >>> > > >>> > > I believe this document should say something about network load and >>> congestion (control). OWAMP and TWAMP discuss quite a bit sender >>> scheduling, however, as this is a simplified version, so I think it cou= ld >>> at least be good to put a waring in this document that packet sending >>> should be somehow rate limited. I know it might be hard to provide more >>> concrete guidance but at least having some discussion or warning in thi= s >>> document could be good. >>> > > GIM>> Thank you for your suggestion. Security Considerations >>> section points to the fact that STAMP does not include control and >>> management components: >>> > > Because of the control >>> > > and management of a STAMP test being outside the scope of this >>> > > specification only the more general requirement is set: >>> > > adding the new text here: >>> > > Load of STAMP test packets offered to a network MUST be >>> carefully >>> > > estimated, and the possible impact on the existing services >>> MUST >>> > > be thoroughly analyzed before launching the test session. >>> > > >>> > > >>> > > Another comment: You only say at the very end that a certain UDP >>> port is used, which implies that STAMP runs over UDP. However, I think = you >>> should mention at the very beginning that this is a UDP-based protocol. >>> Just to make things crystal clear. >>> > > GIM>> Adding the reference to "UDP transport" into the first >>> sentence of Theory of Operations section: >>> > > STAMP Session-Sender transmits test packets over UDP transport >>> toward STAMP Session-Reflector. >>> > > >>> > > Mirja >>> > > >>> > > P.S.: >>> > > Nit: s/This document defines active performance measurement test >>> protocol/ This document defines an active performance measurement test >>> protocol/ >>> > > -> =E2=80=9Can=E2=80=9D missing >>> > > GIM>> Thank you. Done. >>> > > >> draft-ietf-ippm-stamp-07...txt.html> >>> > >>> >>> _______________________________________________ >> ippm mailing list >> ippm@ietf.org >> https://www.ietf.org/mailman/listinfo/ippm >> >> >> _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm > --00000000000081e005058d346079 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Greg,

Why limit the UDP p= ort range to 49152-65535? Any free UDP port can be used, no?

=
Thanks,
Rakesh


On Mon, Jul 8, 2019 at 7:= 20 PM Greg Mirsky <gregimirsky@= gmail.com> wrote:
Hi Shahram,
thank you for = the review and questions. Please find my answers below tagged GIM>>.<= /div>

Regards,
Greg

On Mon, Jul 8, 2019 = at 2:02 PM Shahram Davari <shahram.davari@broadcom.com> wrote:
HI Greg

<= div>I read your draft and have the following questions:

1) Does it require any UDP/TCP port number or it reuses the one from = TWAMP? if it reuses from TWAMP then =C2=A0how does the receiver differentia= te between TWAMP and STAMP?
GIM>> STAMP = uses the well-known UDP port number allocated for the OWAMP-Test/TWAMP-Test= Receiver port (RFC 8545) as the default destination UDP port number.. STAM= P may use destination UDP port number from the Dynamic and/or Private Ports= range 49152-65535.
=
2) What is the benefit of STAMO compared to TWAMP?
GIM>> The work was driven by several observations, amo= ng them:
  • challenges in achieving interoperability among i= mplementations of TWAMP-Light;
  • industry interest in standardizing p= erformance monitoring in IP broadband access networks (TR-390);
  • imp= rove extensibility of IP performance monitoring tool to support measurement= s, testing of new metrics and parameters, e.g., consistency of CoS in the n= etwork.=C2=A0
3) Why is there so much MBZ byte?
GIM>> It was agreed to make the symmetrical size of STAMP test pack= ets the default. RFC 6038 defined it for TWAMP and TR-390 requires it to be= supported by TWAMP-Light implementations.

Thx
Shahram

On Jul 8, 2019, at 10:17 AM, Greg Mir= sky <gregimir= sky@gmail.com> wrote:

= Hi Mirja,
thank you for the suggested text. The new paragraph now reads= as:
=C2=A0 =C2=A0 =C2=A0 Load of STAMP test packets offered to a= network MUST be carefully
=C2=A0 =C2=A0 =C2=A0 estimated, and the possi= ble impact on the existing services MUST
=C2=A0 =C2=A0 =C2=A0 be thoroug= hly analyzed before launching the test session.
=C2=A0 =C2=A0 =C2=A0 [RF= C8085] section 3.1.5 provides guidance on handling network load
=C2=A0 = =C2=A0 =C2=A0 for UDP-based protocol.=C2=A0 While the characteristic of tes= t traffic
=C2=A0 =C2=A0 =C2=A0 depends on the test objective, it is high= ly recommended to stay in
=C2=A0 =C2=A0 =C2=A0 the limits as provided in= [RFC8085].

If it is acceptable, I'd like = to upload the updated version of draft-ieff-ippm-stamp before the cut-off d= eadline.

Regards,
Greg

On Mon, Jul = 8, 2019 at 8:58 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote:
Hi Greg,

See below.

> On 8. Jul 2019, at 16:54, Greg Mirsky <gregimirsky@gmail.com> wrote:
>
> Hi Mirja,
> thank you for the reference to RFC 8085. I agree that the document is = very much relevant and a reference to RFC 8085 in STAMP is useful. While re= ading Section 3.1.3 I came to think that the discussion and guidance in oth= er sections of RFC 8085, particularly, Section 3.1.5 Implications of RTT an= d Loss Measurements on Congestion Control. Would adding the reference to th= at section in the new text proposed for the Security Considerations section= work? I'll put RFC 8085 as Informational reference as it is BCP.
> NEW TEXT:
>=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a netw= ork MUST be carefully
>=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on the ex= isting services MUST
>=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed using [RFC8085] and i= ts Section 3.1.5 in
>=C2=A0 =C2=A0 =C2=A0 =C2=A0particular before launching the test session= ...


Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fine fo= r me. Or you could have a separate sentence like:

=E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network load f= or UDP-based protocol. While the characteristic of test traffic depends on = the test objective, it is highly recommended to say in the limits as provid= ed in RFC8085.=E2=80=9D

Or something similar=E2=80=A6

BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a downref. = However, I think having this as informational ref is fine.

Mirja



>
> Regards,
> Greg
>
> On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote: > Hi Greg,
>
> Thanks a lot for you reply. Changes are good. I wonder if it would be = useful to provide a reference to RFC8085 because it has a lot of informatio= n about congestion control of UDP based traffic? It recommends to send not = more than 1 packet per 3 seconds (if RTT is unknown). I guess it doesn=E2= =80=99t make sense to require this for testing traffic, however, it could m= aybe still be a good recommendation? What do you think?
>
> Also I=E2=80=99ve just resend my review to the IPPM list, as I unfortu= nately cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can yo= u resend you proposed changes to the list, so other people are aware of the= se changes. Sorry for the unconvience.
>
> Mirja
>
>
> > On 6. Jul 2019, at 17:46, Greg Mirsky <gregimirsky@gmail.com> wrote: > >
> > Hi Mirja,
> > thank you for your thorough review, very pointed and helpful comm= ents. Please find my responses in-lined and tagged GIM>>. Attached th= e diff.
> >
> > Regards,
> > Greg
> >
> > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind <ietf@kuehlewind.net> wro= te:
> > Hi authors, hi all,
> >
> > Thanks for this well-written document and very good shepherd writ= e-up! I would like discuss one point before I start IETF last call.
> >
> > I believe this document should say something about network load a= nd congestion (control). OWAMP and TWAMP discuss quite a bit sender schedul= ing, however, as this is a simplified version, so I think it could at least= be good to put a waring in this document that packet sending should be som= ehow rate limited. I know it might be hard to provide more concrete guidanc= e but at least having some discussion or warning in this document could be = good.
> > GIM>>=C2=A0 Thank you for your suggestion. Security Conside= rations section points to the fact that STAMP does not include control and = management components:
> >=C2=A0 =C2=A0 Because of the control
> >=C2=A0 =C2=A0 and management of a STAMP test being outside the sco= pe of this
> >=C2=A0 =C2=A0 specification only the more general requirement is s= et:
> > adding the new text here:
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a= network MUST be carefully
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on t= he existing services MUST
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed before launching= the test session.
> >
> >
> > Another comment: You only say at the very end that a certain UDP = port is used, which implies that STAMP runs over UDP. However, I think you = should mention at the very beginning that this is a UDP-based protocol. Jus= t to make things crystal clear.
> > GIM>> Adding the reference to "UDP transport" int= o the first sentence of Theory of=C2=A0 Operations section:
> >=C2=A0 =C2=A0 STAMP Session-Sender transmits test packets over UDP= transport toward STAMP Session-Reflector.
> >
> > Mirja
> >
> > P.S.:
> > Nit: s/This document defines active performance measurement test = protocol/ This document defines an active performance measurement test prot= ocol/
> > -> =E2=80=9Can=E2=80=9D missing
> > GIM>> Thank you. Done.
> > <Diff_ draft-ietf-ippm-stamp-06.txt - draft-ietf-ippm-stamp-07= ...txt.html>
>

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--00000000000081e005058d346079-- From nobody Mon Jul 8 19:07:57 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id ADFE7120091; Mon, 8 Jul 2019 19:07:55 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.702 X-Spam-Level: X-Spam-Status: No, score=-0.702 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, PDS_NO_HELO_DNS=1.295, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id nqxpqkKv0QwC; Mon, 8 Jul 2019 19:07:52 -0700 (PDT) Received: from mail-lf1-x12f.google.com (mail-lf1-x12f.google.com [IPv6:2a00:1450:4864:20::12f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A440A12008A; Mon, 8 Jul 2019 19:07:51 -0700 (PDT) Received: by mail-lf1-x12f.google.com with SMTP id u10so12227020lfm.12; Mon, 08 Jul 2019 19:07:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=+SKkyL0vKX74mpdqORcRAMDDWIUMHrdlQNzRsBwQOXo=; b=sZPmnhcPcw6yaXRC3Bgq7G9M7Paj1jM2xWA8umx+osBSrD+vsNWYzoNiSv/D4oiEvu pu3u++YaM2mPIzQ54J15e2Ns/5GTuEfRSnws0LIsQYXJ0/Gd3K+tp2DfIyr5wcbjOFtA uVgjSGN8HTkf92NQ5KMQhQGMtky8w7ZvcNAEUWH98ty81ERkdlONq1mGfY83MqocEGNq aSAiv3h2JHJZIPSIEtRu1Ac3Zhq4i47qmv9z34td5RApMJo2zpCm9AxQkdeiQB9wDumJ jO0gV1fEd4RmX10BJJoyjFekS2QSGhSUBfsgx1h80z3p7uY0qC+Zo2OnwC0AJ2qIhrSK CTng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=+SKkyL0vKX74mpdqORcRAMDDWIUMHrdlQNzRsBwQOXo=; b=KtmczZD53hlHn861O6jNSejylIGXtvvBbVLjG+t3WcMwBkCymxolnlswkpv5fGSct9 hlqFPSWQNv/5pj6PHUXhLvHydYgnwlRrgYTxLx2GmV39Wg8eOOwJFVrE+zwOXfhI8Za7 dQn0wwdqRkL1P+quMhT8N5lxQoiPo09IbfDP8cejfQ9Sxk61/aFlbNNQYJnlj+2iBUzS uzyBXubsMTofZpqt6/mUOEmql9VYLT9b5UuKDXQd9nGmHHIcnKOCgfFeG05GMADd2qNQ Km/3KFaM3xSD3wD7KMgyuydeHrRYOwG0W7aZYGIfDeYk7LQO3GFYEoMh568uUqZTF/6h M1DQ== X-Gm-Message-State: APjAAAVMDYQtLB9VbyCbZgU4jmtMVFbQsqfL1a+wstVDDXtEB2jZtQ5q frArDQXA+LS5gyz/cTvurqJgITI8s1vQoxEd1Fg= X-Google-Smtp-Source: APXvYqzQ3Kl+6b16ebrrSEc/0Q0OyY+sDrwFOSGyVA5sKyss6YpM5YbtEje18PeUzNTK5tik6x/svRSktH/qqvFtGno= X-Received: by 2002:a19:c887:: with SMTP id y129mr10296956lff.73.1562638069789; Mon, 08 Jul 2019 19:07:49 -0700 (PDT) MIME-Version: 1.0 References: <11938018-8A65-483B-8176-A6E1C2A265A3@kuehlewind.net> In-Reply-To: From: Greg Mirsky Date: Mon, 8 Jul 2019 19:07:37 -0700 Message-ID: To: Rakesh Gandhi Cc: Shahram Davari , draft-ietf-ippm-stamp@ietf.org, IPPM Chairs , Mirja Kuehlewind , IETF IPPM WG Content-Type: multipart/alternative; boundary="0000000000000ff778058d3607da" Archived-At: Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2019 02:07:56 -0000 --0000000000000ff778058d3607da Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Rakesh, thank you for your question. In my experience, some implementations of TWAMP-Light have taken the liberty to allow using UDP port numbers outside the Dynamic/Private range. I believe that is not the right decision. In the note of IANA's Service Name and Transport Protocol Port Number Registry we read: Service names and port numbers are used to distinguish between different services that run over transport protocols such as TCP, UDP, DCCP, and SCTP. Service names are assigned on a first-come, first-served process, as documented in [RFC6335]. Port numbers are assigned in various ways, based on three ranges: System Ports (0-1023), User Ports (1024-49151), and the Dynamic and/or Private Ports (49152-65535); the difference uses of these ranges is described in [RFC6335]. According to Section 8.1.2 of [RFC6335], System Ports are assigned by the "IETF Review" or "IESG Approval" procedures described in [RFC8126]. User Ports are assigned by IANA using the "IETF Review" process= , the "IESG Approval" process, or the "Expert Review" process, as per [RFC6335]. Dynamic Ports are not assigned. The registration procedures for service names and port numbers are described in [RFC6335]. Assigned ports both System and User ports SHOULD NOT be used without or prior to IANA registration. My interpretation is that ports in System and User ranges, even if not yet assigned, must not be used without following the assignment process. Thus, regardless of whether a number had not yet been assigned to a service, it must not be used as the destination UDP port number. Also, consider operational issues if a new service is assigned a new port number from the User Ports range. One day the number was "free" and tomorrow it may be assigned. Handling such a scenario will add complexity while benefits are, in my opinion, questionable. Regards, Greg On Mon, Jul 8, 2019 at 5:09 PM Rakesh Gandhi wrote= : > Hi Greg, > > Why limit the UDP port range to 49152-65535? Any free UDP port can be > used, no? > > Thanks, > Rakesh > > > On Mon, Jul 8, 2019 at 7:20 PM Greg Mirsky wrote: > >> Hi Shahram, >> thank you for the review and questions. Please find my answers below >> tagged GIM>>. >> >> Regards, >> Greg >> >> On Mon, Jul 8, 2019 at 2:02 PM Shahram Davari < >> shahram.davari@broadcom.com> wrote: >> >>> HI Greg >>> >>> I read your draft and have the following questions: >>> >>> 1) Does it require any UDP/TCP port number or it reuses the one from >>> TWAMP? if it reuses from TWAMP then how does the receiver differentiat= e >>> between TWAMP and STAMP? >>> >> GIM>> STAMP uses the well-known UDP port number allocated for the >> OWAMP-Test/TWAMP-Test Receiver port (RFC 8545) as the default destinatio= n >> UDP port number.. STAMP may use destination UDP port number from the >> Dynamic and/or Private Ports range 49152-65535. >> >>> 2) What is the benefit of STAMO compared to TWAMP? >>> >> GIM>> The work was driven by several observations, among them: >> >> - challenges in achieving interoperability among implementations of >> TWAMP-Light; >> - industry interest in standardizing performance monitoring in IP >> broadband access networks (TR-390); >> - improve extensibility of IP performance monitoring tool to support >> measurements, testing of new metrics and parameters, e.g., consistenc= y of >> CoS in the network. >> >> 3) Why is there so much MBZ byte? >>> >> GIM>> It was agreed to make the symmetrical size of STAMP test packets >> the default. RFC 6038 defined it for TWAMP and TR-390 requires it to be >> supported by TWAMP-Light implementations. >> >>> >>> Thx >>> Shahram >>> >>> On Jul 8, 2019, at 10:17 AM, Greg Mirsky wrote: >>> >>> Hi Mirja, >>> thank you for the suggested text. The new paragraph now reads as: >>> Load of STAMP test packets offered to a network MUST be carefully >>> estimated, and the possible impact on the existing services MUST >>> be thoroughly analyzed before launching the test session. >>> [RFC8085] section 3.1.5 provides guidance on handling network loa= d >>> for UDP-based protocol. While the characteristic of test traffic >>> depends on the test objective, it is highly recommended to stay i= n >>> the limits as provided in [RFC8085]. >>> >>> If it is acceptable, I'd like to upload the updated version of >>> draft-ieff-ippm-stamp before the cut-off deadline. >>> >>> Regards, >>> Greg >>> >>> On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind >>> wrote: >>> >>>> Hi Greg, >>>> >>>> See below. >>>> >>>> > On 8. Jul 2019, at 16:54, Greg Mirsky wrote: >>>> > >>>> > Hi Mirja, >>>> > thank you for the reference to RFC 8085. I agree that the document i= s >>>> very much relevant and a reference to RFC 8085 in STAMP is useful. Whi= le >>>> reading Section 3.1.3 I came to think that the discussion and guidance= in >>>> other sections of RFC 8085, particularly, Section 3.1.5 Implications o= f RTT >>>> and Loss Measurements on Congestion Control. Would adding the referenc= e to >>>> that section in the new text proposed for the Security Considerations >>>> section work? I'll put RFC 8085 as Informational reference as it is BC= P. >>>> > NEW TEXT: >>>> > Load of STAMP test packets offered to a network MUST be >>>> carefully >>>> > estimated, and the possible impact on the existing services MU= ST >>>> > be thoroughly analyzed using [RFC8085] and its Section 3.1.5 i= n >>>> > particular before launching the test session... >>>> >>>> >>>> Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fi= ne for me. Or you >>>> could have a separate sentence like: >>>> >>>> =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network l= oad for >>>> UDP-based protocol. While the characteristic of test traffic depends o= n the >>>> test objective, it is highly recommended to say in the limits as provi= ded >>>> in RFC8085.=E2=80=9D >>>> >>>> Or something similar=E2=80=A6 >>>> >>>> BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a down= ref. >>>> However, I think having this as informational ref is fine. >>>> >>>> Mirja >>>> >>>> >>>> >>>> > >>>> > Regards, >>>> > Greg >>>> > >>>> > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind >>>> wrote: >>>> > Hi Greg, >>>> > >>>> > Thanks a lot for you reply. Changes are good. I wonder if it would b= e >>>> useful to provide a reference to RFC8085 because it has a lot of >>>> information about congestion control of UDP based traffic? It recommen= ds to >>>> send not more than 1 packet per 3 seconds (if RTT is unknown). I guess= it >>>> doesn=E2=80=99t make sense to require this for testing traffic, howeve= r, it could >>>> maybe still be a good recommendation? What do you think? >>>> > >>>> > Also I=E2=80=99ve just resend my review to the IPPM list, as I unfor= tunately >>>> cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can you = resend you >>>> proposed changes to the list, so other people are aware of these chang= es. >>>> Sorry for the unconvience. >>>> > >>>> > Mirja >>>> > >>>> > >>>> > > On 6. Jul 2019, at 17:46, Greg Mirsky >>>> wrote: >>>> > > >>>> > > Hi Mirja, >>>> > > thank you for your thorough review, very pointed and helpful >>>> comments. Please find my responses in-lined and tagged GIM>>. Attached= the >>>> diff. >>>> > > >>>> > > Regards, >>>> > > Greg >>>> > > >>>> > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind < >>>> ietf@kuehlewind.net> wrote: >>>> > > Hi authors, hi all, >>>> > > >>>> > > Thanks for this well-written document and very good shepherd >>>> write-up! I would like discuss one point before I start IETF last call= . >>>> > > >>>> > > I believe this document should say something about network load an= d >>>> congestion (control). OWAMP and TWAMP discuss quite a bit sender >>>> scheduling, however, as this is a simplified version, so I think it co= uld >>>> at least be good to put a waring in this document that packet sending >>>> should be somehow rate limited. I know it might be hard to provide mor= e >>>> concrete guidance but at least having some discussion or warning in th= is >>>> document could be good. >>>> > > GIM>> Thank you for your suggestion. Security Considerations >>>> section points to the fact that STAMP does not include control and >>>> management components: >>>> > > Because of the control >>>> > > and management of a STAMP test being outside the scope of this >>>> > > specification only the more general requirement is set: >>>> > > adding the new text here: >>>> > > Load of STAMP test packets offered to a network MUST be >>>> carefully >>>> > > estimated, and the possible impact on the existing services >>>> MUST >>>> > > be thoroughly analyzed before launching the test session. >>>> > > >>>> > > >>>> > > Another comment: You only say at the very end that a certain UDP >>>> port is used, which implies that STAMP runs over UDP. However, I think= you >>>> should mention at the very beginning that this is a UDP-based protocol= . >>>> Just to make things crystal clear. >>>> > > GIM>> Adding the reference to "UDP transport" into the first >>>> sentence of Theory of Operations section: >>>> > > STAMP Session-Sender transmits test packets over UDP transport >>>> toward STAMP Session-Reflector. >>>> > > >>>> > > Mirja >>>> > > >>>> > > P.S.: >>>> > > Nit: s/This document defines active performance measurement test >>>> protocol/ This document defines an active performance measurement test >>>> protocol/ >>>> > > -> =E2=80=9Can=E2=80=9D missing >>>> > > GIM>> Thank you. Done. >>>> > > >>> draft-ietf-ippm-stamp-07...txt.html> >>>> > >>>> >>>> _______________________________________________ >>> ippm mailing list >>> ippm@ietf.org >>> https://www.ietf.org/mailman/listinfo/ippm >>> >>> >>> _______________________________________________ >> ippm mailing list >> ippm@ietf.org >> https://www.ietf.org/mailman/listinfo/ippm >> > --0000000000000ff778058d3607da Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Rakesh,
thank you for your question. In my experien= ce, some implementations of TWAMP-Light have taken the liberty to allow usi= ng UDP port numbers outside the Dynamic/Private range. I believe that is no= t the right decision. In the note of IANA's Service Name and Transport = Protocol Port Number Registry we read:

=C2=A0Servi= ce names and port numbers are used to distinguish between different
=C2= =A0services that run over transport protocols such as TCP, UDP, DCCP, and=C2=A0SCTP.

=C2=A0Service names are assigned on a first-come, firs= t-served process, as
=C2=A0documented in [RFC6335].

=C2=A0Port nu= mbers are assigned in various ways, based on three ranges: System
=C2=A0= Ports (0-1023), User Ports (1024-49151), and the Dynamic and/or Private
= =C2=A0Ports (49152-65535); the difference uses of these ranges is described= in
=C2=A0[RFC6335]. According to Section 8.1.2 of [RFC6335], System Por= ts are
=C2=A0assigned by the "IETF Review" or "IESG Appro= val" procedures described in
=C2=A0[RFC8126]. User Ports are assign= ed by IANA using the "IETF Review" process,
=C2=A0the "IE= SG Approval" process, or the "Expert Review" process, as per=
=C2=A0[RFC6335]. Dynamic Ports are not assigned.

=C2=A0The regis= tration procedures for service names and port numbers are
=C2=A0describe= d in [RFC6335].

=C2=A0Assigned ports both System and User ports SHOU= LD NOT be used without
=C2=A0or prior to IANA registration.

My interpretation is that ports in System and User ranges,= even if not yet assigned, must not be used without following the assignmen= t process. Thus, regardless of whether a number had not yet been assigned t= o a service, it must not be used as the destination UDP port number. Also, = consider operational issues if a new service is assigned a new port number = from the User Ports range. One day the number was "free" and tomo= rrow it may be assigned. Handling such a scenario will add complexity while= benefits are, in my opinion, questionable.

Regard= s,
Greg

On Mon, Jul 8, 2019 at 5:09 PM Rakesh Gandhi <rgandhi.ietf@gmail.com> wrote= :
Hi Greg,

Why limit the UDP port range to 4= 9152-65535? Any free UDP port can be used, no?

Tha= nks,
Rakesh


On Mon, Jul 8, 2019 at 7:20 PM Greg Mir= sky <gregimir= sky@gmail.com> wrote:
Hi Shahram,
thank you fo= r the review and questions. Please find my answers below tagged GIM>>= .

Regards,
Greg

On Mon, Jul 8, 2019= at 2:02 PM Shahram Davari <shahram.davari@broadcom.com> wrote:
HI Greg

=
I read your draft and have the following questions:

1) Does it require any UDP/TCP port number or it reuses the one from= TWAMP? if it reuses from TWAMP then =C2=A0how does the receiver differenti= ate between TWAMP and STAMP?
GIM>> STAMP= uses the well-known UDP port number allocated for the OWAMP-Test/TWAMP-Tes= t Receiver port (RFC 8545) as the default destination UDP port number.. STA= MP may use destination UDP port number from the Dynamic and/or Private Port= s range 49152-65535.
2) What is the benefit of STAMO compared to TWAMP?
GIM>> The work was driven by several observations, am= ong them:
  • challenges in achieving interoperability among = implementations of TWAMP-Light;
  • industry interest in standardizing = performance monitoring in IP broadband access networks (TR-390);
  • im= prove extensibility of IP performance monitoring tool to support measuremen= ts, testing of new metrics and parameters, e.g., consistency of CoS in the = network.=C2=A0
3) Why is there so much MBZ byte?
GIM>> It was agreed to make the symmetrical size of STAMP test pac= kets the default. RFC 6038 defined it for TWAMP and TR-390 requires it to b= e supported by TWAMP-Light implementations.

Thx
Shahram
<= div>
On Jul 8, 2019, at 10:17 AM, Greg Mi= rsky <gregimi= rsky@gmail.com> wrote:

Hi Mirja,
thank you for the suggested text= . The new paragraph now reads as:
=C2=A0 =C2=A0 =C2=A0 Load of ST= AMP test packets offered to a network MUST be carefully
=C2=A0 =C2=A0 = =C2=A0 estimated, and the possible impact on the existing services MUST
= =C2=A0 =C2=A0 =C2=A0 be thoroughly analyzed before launching the test sessi= on.
=C2=A0 =C2=A0 =C2=A0 [RFC8085] section 3.1.5 provides guidance on ha= ndling network load
=C2=A0 =C2=A0 =C2=A0 for UDP-based protocol.=C2=A0 W= hile the characteristic of test traffic
=C2=A0 =C2=A0 =C2=A0 depends on = the test objective, it is highly recommended to stay in
=C2=A0 =C2=A0 = =C2=A0 the limits as provided in [RFC8085].

If= it is acceptable, I'd like to upload the updated version of draft-ieff= -ippm-stamp before the cut-off deadline.

Regards,<= /div>
Greg

On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote:
Hi= Greg,

See below.

> On 8. Jul 2019, at 16:54, Greg Mirsky <gregimirsky@gmail.com> wrote:
>
> Hi Mirja,
> thank you for the reference to RFC 8085. I agree that the document is = very much relevant and a reference to RFC 8085 in STAMP is useful. While re= ading Section 3.1.3 I came to think that the discussion and guidance in oth= er sections of RFC 8085, particularly, Section 3.1.5 Implications of RTT an= d Loss Measurements on Congestion Control. Would adding the reference to th= at section in the new text proposed for the Security Considerations section= work? I'll put RFC 8085 as Informational reference as it is BCP.
> NEW TEXT:
>=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a netw= ork MUST be carefully
>=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on the ex= isting services MUST
>=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed using [RFC8085] and i= ts Section 3.1.5 in
>=C2=A0 =C2=A0 =C2=A0 =C2=A0particular before launching the test session= ...


Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fine fo= r me. Or you could have a separate sentence like:

=E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network load f= or UDP-based protocol. While the characteristic of test traffic depends on = the test objective, it is highly recommended to say in the limits as provid= ed in RFC8085.=E2=80=9D

Or something similar=E2=80=A6

BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a downref. = However, I think having this as informational ref is fine.

Mirja



>
> Regards,
> Greg
>
> On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote: > Hi Greg,
>
> Thanks a lot for you reply. Changes are good. I wonder if it would be = useful to provide a reference to RFC8085 because it has a lot of informatio= n about congestion control of UDP based traffic? It recommends to send not = more than 1 packet per 3 seconds (if RTT is unknown). I guess it doesn=E2= =80=99t make sense to require this for testing traffic, however, it could m= aybe still be a good recommendation? What do you think?
>
> Also I=E2=80=99ve just resend my review to the IPPM list, as I unfortu= nately cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can yo= u resend you proposed changes to the list, so other people are aware of the= se changes. Sorry for the unconvience.
>
> Mirja
>
>
> > On 6. Jul 2019, at 17:46, Greg Mirsky <gregimirsky@gmail.com> wrote: > >
> > Hi Mirja,
> > thank you for your thorough review, very pointed and helpful comm= ents. Please find my responses in-lined and tagged GIM>>. Attached th= e diff.
> >
> > Regards,
> > Greg
> >
> > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind <ietf@kuehlewind.net> wro= te:
> > Hi authors, hi all,
> >
> > Thanks for this well-written document and very good shepherd writ= e-up! I would like discuss one point before I start IETF last call.
> >
> > I believe this document should say something about network load a= nd congestion (control). OWAMP and TWAMP discuss quite a bit sender schedul= ing, however, as this is a simplified version, so I think it could at least= be good to put a waring in this document that packet sending should be som= ehow rate limited. I know it might be hard to provide more concrete guidanc= e but at least having some discussion or warning in this document could be = good.
> > GIM>>=C2=A0 Thank you for your suggestion. Security Conside= rations section points to the fact that STAMP does not include control and = management components:
> >=C2=A0 =C2=A0 Because of the control
> >=C2=A0 =C2=A0 and management of a STAMP test being outside the sco= pe of this
> >=C2=A0 =C2=A0 specification only the more general requirement is s= et:
> > adding the new text here:
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a= network MUST be carefully
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on t= he existing services MUST
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed before launching= the test session.
> >
> >
> > Another comment: You only say at the very end that a certain UDP = port is used, which implies that STAMP runs over UDP. However, I think you = should mention at the very beginning that this is a UDP-based protocol. Jus= t to make things crystal clear.
> > GIM>> Adding the reference to "UDP transport" int= o the first sentence of Theory of=C2=A0 Operations section:
> >=C2=A0 =C2=A0 STAMP Session-Sender transmits test packets over UDP= transport toward STAMP Session-Reflector.
> >
> > Mirja
> >
> > P.S.:
> > Nit: s/This document defines active performance measurement test = protocol/ This document defines an active performance measurement test prot= ocol/
> > -> =E2=80=9Can=E2=80=9D missing
> > GIM>> Thank you. Done.
> > <Diff_ draft-ietf-ippm-stamp-06.txt - draft-ietf-ippm-stamp-07= ...txt.html>
>

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--0000000000000ff778058d3607da-- From nobody Tue Jul 9 00:47:31 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B743712036A for ; Tue, 9 Jul 2019 00:47:28 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.099 X-Spam-Level: X-Spam-Status: No, score=-4.099 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, HTTPS_HTTP_MISMATCH=0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 6f5e1QgUaAkZ for ; Tue, 9 Jul 2019 00:47:25 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 00397120311 for ; Tue, 9 Jul 2019 00:47:24 -0700 (PDT) Received: from lhreml702-cah.china.huawei.com (unknown [172.18.7.108]) by Forcepoint Email with ESMTP id 6EDE5FAD1FB57BC907C6 for ; Tue, 9 Jul 2019 08:47:23 +0100 (IST) Received: from NKGEML411-HUB.china.huawei.com (10.98.56.70) by lhreml702-cah.china.huawei.com (10.201.108.43) with Microsoft SMTP Server (TLS) id 14.3.408.0; Tue, 9 Jul 2019 08:47:22 +0100 Received: from NKGEML515-MBS.china.huawei.com ([169.254.5.134]) by nkgeml411-hub.china.huawei.com ([10.98.56.70]) with mapi id 14.03.0415.000; Tue, 9 Jul 2019 15:47:16 +0800 From: Tianran Zhou To: Haoyu Song , "Frank Brockners (fbrockne)" , "ippm@ietf.org" CC: "rbonica@juniper.net" Thread-Topic: draft-ietf-ippm-ioam-data and a new draft for IOAM flags Thread-Index: AdUylCYVrsvRvlcmSe+4uK422z4Y9AAPUIRwAKsmw9AAC4/ngAAVbToA Date: Tue, 9 Jul 2019 07:47:15 +0000 Message-ID: References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.111.156.116] Content-Type: multipart/alternative; boundary="_000_BBA82579FD347748BEADC4C445EA0F21BEE7C43FNKGEML515MBSchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2019 07:47:29 -0000 --_000_BBA82579FD347748BEADC4C445EA0F21BEE7C43FNKGEML515MBSchi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Frank, Some comments added on Haoyu. Please see in line. Tianran From: Haoyu Song [mailto:haoyu.song@futurewei.com] Sent: Tuesday, July 09, 2019 12:54 AM To: Frank Brockners (fbrockne) ; Tianran Zhou ; ippm@ietf.org Cc: rbonica@juniper.net Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flags My comments below. Haoyu From: ippm > On Behalf = Of Frank Brockners (fbrockne) Sent: Monday, July 08, 2019 4:42 AM To: Tianran Zhou >; i= ppm@ietf.org Cc: rbonica@juniper.net Subject: Re: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM flag= s Hi Tianran, Thanks for your comments. Per the WG discussion: "IOAM flags draft" (i.e. d= raft-mizrahi-ippm-ioam-flags-00) is not really a new draft, but it temporar= ily farms out the flags discussion that already existed in draft-ietf-ippm-= ioam-data-05 into a dedicated document - so that we can finalize draft-ietf= -ippm-ioam-data as quickly as possible. There isn't any new proposal in the= flags draft. We intentionally did not change the contents - the objective = was just to split the document. In addition, the purpose of the flags draft is to motivate and define the f= lags, rather than detail procedures which would go beyond the definition of= the flags. Those definitions could well live in dedicated documents (see m= ore comments below). An evolved version of the postcard I-D that you refer = to below - or probably a new focused I-D, could be such a more specific doc= ument. [Tianran] Yes, I know the reason to split the draft. My comments were mainl= y about the draft-mizrahi-ippm-ioam-flags-00. But now I am confused with the purpose of the draft-mizrahi-ippm-ioam-flags= -00 based on your statements. To be clear, do you mean you are not going to evolve this draft? I.e., it's= temporary. So each flag will need a specific document? Please also see inline... From: Tianran Zhou > Sent: Freitag, 5. Juli 2019 04:32 To: Frank Brockners (fbrockne) >; ippm@ietf..org Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flags Hi Frank, Here are some comments on the IOAM flags: 1. Why proposing the "Immediate Exporting" when a new postcard option (http= s://datatracker.ietf.org/doc/draft-song-ippm-postcard-based-telemetry/) is already proposed f= or IOAM? What's the difference for use? One scenario may apply to this flag is to indicate the node to export all t= he existing tracing data when the node is not able to attach data. Other ca= pable nodes will still trace and attach data. This may make the flag useful= and different. In addition, you mentioned to use the e2e option to assist the postcard. Th= at may need an encapsulation extension to IPv6 HbH for e2e option. ...FB: draft-mizrahi-ippm-ioam-flags-00 already mentions the use of the IOA= M E2E option with sequence number: "As a means to support correlation of e= xported IOAM data different nodes in the network, a deployment could consid= er attaching an IOAM E2E option in addition to the trace option, that incl= udes a sequence number.". [HS] As we have discussed before, I still think such statement should be dr= opped from the document. It complicates the operation, obscures the semanti= cs, and make further extensions harder. I see no reason to support a hack l= ike this when we have an explicit and dedicated option. Having a dedicated document that expands on immediate export and the differ= ent types of use cases could be seen as beneficial. Section 3 of draft-song= -ippm-postcard-based-telemetry-03 could be a starting point. A few things f= rom my perspective that we still have to get sorted are: * inclusion of the different "uses" of data created by immediate export. In= his draft draft-bonica-6man-oam, Ron (cc'ed) documented a couple actions t= hat a node could perform when doing immediate export, e.g. "1 - log the pac= ket", "2 - count the packet", "3 - send ICMP to the source", "4 - send tele= metry". We should add those to the new I-D. [HS] We should have more discussion on this. If this is truly needed, it ca= n be supported either by flags or by data type definition. * (specifically on the postcard draft, section 3): close on the discussion = of whether we need a flow-id field (as E2E option) and how this field would= be defined and used. Back in Prague, several opinions were voiced on this = topic - ranging from support of a new "flow id option" to not seeing the ne= ed to define a new option. [HS] As discussed in last meeting, we could make the flow-ID optional. In s= ome cases, it's very useful to reduce data transport bandwidth and data par= sing workload. As for the ID generation mechanisms, we can provide several= suggestions but it can also be left open for user to decide. Of course, if= we can decide a best method, we can adopt it. 2. I suggested before. I would like to propose a "significant data" bit in = the flag. It is set by the intermediate node who think the attached data is= significant. The use case is to reduce the exporting data at the end of th= e IOAM domain. i.e., only the meta data with "significant data" bit set wil= l be exported. For example, when we are tracing the transit delay hop by ho= p, transit delay within a threshold may not be useful, and not worth to be = exported to the collector. Any intermediate node can set this "significant = data" bit when the transit delay breaches the threshold. So data are export= ed only when path congestion. This can be extended to other examples, e.g. = buffer. ...FB: Hmm. I think I need to better understand the use case to be convince= d. In the first place, why would a node insert data that isn't seen as sign= ificant? Rather than use a significant flag, just set up operations in a wa= y that only data considered significant is inserted - otherwise would choos= e to not insert any data. [Tianran]: It seems you proposed another approach for the use case. It may = work. I think the major problem is it changes the default procedure of IOAM= trace. IMO, by default, IOAM will trace data according to the bitmap instr= uction, no matter isn't seen as significant or not. If you really want to follow your thought to the end, it would translate in= to adding a "priority" to every IOAM data field. We would then need to deci= de how many different priorities we'd need, how they are defined and used. = Thus, before going there, let's understand the use case. [Tianran]: I think the significant flag is similar to the "priority". It's = only the design choice whether to use multiple bits for several priority le= vels. It's also the design choice whether to give each data field a priorit= y or just set one flag for one packet. IMHO, it's easy to decide "yes" or "= no" with one bit, for example the threshold breach, but hard to decide the = level with multiple bits priority. Cheers, Frank Regards, Tianran From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Frank Brockners (fbr= ockne) Sent: Friday, July 05, 2019 2:22 AM To: ippm@ietf.org Subject: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM flags Back in the IPPM WG meeting in Prague, Tommy concluded on the discussion of= draft-ietf-ippm-ioam-data-05, that we should "separate the flag discussion= into separate drafts and then fold it into the data draft based on WG con= sensus." (see IPPM minutes https://datatracker.ietf.org/meeting/104/materials/minutes-104-ippm-00). Unfortunately it took a bi= t longer than expected but today two new documents were published following= Tommy's conclusion: https://tools.ietf.org/html/draft-mizrahi-ippm-ioam-flags-00 https://tools..ietf.org/html/draft-ietf-ippm-ioam-data-06 draft-mizrahi-ippm-ioam-flags-00 is a new document which provides the descr= iption of those flags that describe IOAM behavior not immediately associate= d to updating the IOAM data fields, i.e. the new draft took the text relate= d to flags from the draft-ietf-ippm-ioam-data. draft-ietf-ippm-ioam-data-06= is the associated update to the -05 version with the description of the fl= ags removed. With the -00 draft cut off still a few days away, it would be great to get = comments on the split and even more so on the new ioam-flags draft, so that= we could create a rev before the cut off (if required) and then try to clo= se the discussion in Montreal. Thanks much, Frank --_000_BBA82579FD347748BEADC4C445EA0F21BEE7C43FNKGEML515MBSchi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Frank,

 

Some comments added on Haoyu. Please see in l= ine.

 

Tianran

 

From: Haoyu Song [mailto:haoyu.song@futurewei.com]
Sent: Tuesday, July 09, 2019 12:54 AM
To: Frank Brockners (fbrockne) <fbrockne@cisco.com>; Tianran Z= hou <zhoutianran@huawei.com>; ippm@ietf.org
Cc: rbonica@juniper.net
Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flag= s

 

My comments below.

 

Haoyu

 

From: ippm <ippm-bounces@= ietf.org> On Behalf Of Frank Brockners (fbrockne)
Sent: Monday, July 08, 2019 4:42 AM
To: Tianran Zhou <zhout= ianran@huawei.com>; ippm@ietf.org
Cc: rbonica@juniper.net Subject: Re: [ippm] draft-ietf-ippm-ioam-data and a new draft for IO= AM flags

 

Hi Tianran,

 =

Thanks for your comments. Pe= r the WG discussion: “IOAM flags draft” (i.e. draft-mizrahi-ipp= m-ioam-flags-00) is not really a new draft, but it temporarily farms out th= e flags discussion that already existed in draft-ietf-ippm-ioam-data-05 into a dedicated document – so that we can finalize draft-ietf-ippm-= ioam-data as quickly as possible. There isn’t any new proposal in the= flags draft. We intentionally did not change the contents – the obje= ctive was just to split the document.

In addition, the purpose of = the flags draft is to motivate and define the flags, rather than detail pro= cedures which would go beyond the definition of the flags. Those definition= s could well live in dedicated documents (see more comments below). An evolved version of the postcard I-D that you= refer to below – or probably a new focused I-D, could be such a more= specific document.

 

[Tianran] Yes, I know the reason to split the= draft. My comments were mainly about the draft-mizrahi-ippm-ioam-flags-00.

But now I am confused with the purpose of the= draft-mizrahi-ippm-ioam-flags-00 based on your statements.

To be clear, do you mean you are not going to= evolve this draft? I.e., it’s temporary. So each flag will need a specific document?

 =

Please also see inline…= ;

 

From: Tianran Zhou <zhou= tianran@huawei.com>
Sent: Freitag, 5. Juli 2019 04:32
To: Frank Brockners (fbrockne) <fbrockne@cisco.com>; ippm@ietf..org
Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flag= s

 

Hi Frank,

 

Here are some comments on the IOAM flags:

 

1. Why proposing the “= ;Immediate Exporting” when a new postcard option (https://datatracker.ietf.org/doc/draft-so= ng-ippm-postcard-based-telemetry/) is already proposed for IOAM? What’s the difference for use?=

One scenario may apply to this flag is to ind= icate the node to export all the existing tracing data when the node is not= able to attach data. Other capable nodes will still trace and attach data. This may make the flag useful and differ= ent.

 

In addition, you mentioned to use the e2e opt= ion to assist the postcard. That may need an encapsulation extension to IPv= 6 HbH for e2e option.

 <= /i>

…FB: draft-mizrahi-ippm-ioam-flags-00 already= mentions the use of the IOAM E2E option with sequence number: “As a = means to  support correlation of exported IOAM data different nodes in= the network, a deployment could consider attaching an IOAM E2E option in  addition to the trace option, that includes a = sequence number.”.

[HS] As we have discussed before, I still think such statement should be= dropped from the document. It complicates the operation, obscures the sema= ntics, and make further extensions harder. I see no reason to support a hack like this when we have an explicit and d= edicated option.

Having a dedicated document that expands on immediate export and the diffe= rent types of use cases could be seen as beneficial. Section 3 of draft-son= g-ippm-postcard-based-telemetry-03 could be a starting point. A few things from my perspective that we still have t= o get sorted are:

* inclusion of the different “uses” of data created by immedia= te export. In his draft draft-bonica-6man-oam, Ron (cc’ed) documented= a couple actions that a node could perform when doing immediate export, e.g. “1 - log the packet”, “2 - count the packet= ”, “3 - send ICMP to the source”, “4 - send telemet= ry”. We should add those to the new I-D.

 =

[HS] We should have more dis= cussion on this. If this is truly needed, it can be supported either by fla= gs or by data type definition.

 =

* (specifically on the postcard draft, section 3): close on the discussion= of whether we need a flow-id field (as E2E option) and how this field woul= d be defined and used. Back in Prague, several opinions were voiced on this topic – ranging from support of= a new “flow id option” to not seeing the need to define a new = option.

 =

[HS] As discussed in last me= eting, we could make the flow-ID optional. In some cases, it’s very u= seful to reduce data transport bandwidth and data parsing workload. As &nbs= p;for the ID generation mechanisms, we can provide several suggestions but it can also be left open for user to decide. Of co= urse, if we can decide a best method, we can adopt it.

 

 

2. I suggested before. I would like to propos= e a “= ;significant data” bit in the flag. It is set by the intermediate node who think the attached= data is significant. The use case is to reduce the exporting data at the e= nd of the IOAM domain. i.e., only the meta data with “= ;significant data” bit set will be exported. For example, when we are tracing the transit del= ay hop by hop, transit delay within a threshold may not be useful, and not = worth to be exported to the collector. Any intermediate node can set this “= ;significant data” bit when the transit delay breaches the threshold. So data are exported on= ly when path congestion. This can be extended to other examples, e.g. buffe= r.

 <= /i>

…FB: Hmm. I think I ne= ed to better understand the use case to be convinced. In the first place, w= hy would a node insert data that isn’t seen as significant? Rather th= an use a significant flag, just set up operations in a way that only data considered significant is inserted – otherwi= se would choose to not insert any data.

[Tianran]: It seems you proposed another appr= oach for the use case. It may work. I think the major problem is it changes= the default procedure of IOAM trace. IMO, by default, IOAM will trace data according to the bitmap instruction,= no matter isn’t seen as significant or not.

 

If you really want to follow= your thought to the end, it would translate into adding a “priority&= #8221; to every IOAM data field. We would then need to decide how many diff= erent priorities we’d need, how they are defined and used. Thus, before going there, let’s understand the use case.

 

[Tianran]: I think the significant flag is si= milar to the “= ;priority”. It= 217;s only the design choice whether to use multiple bits for= several priority levels. It’s also the design choice whether to give each data field a priority or just = set one flag for one packet. IMHO, it’s easy to decide “yes” or &#= 8220;no” with one bit, for example the threshold breach, but hard to decide the lev= el with multiple bits priority.

 

Cheers, Frank

 

Regards,

Tianran

 

From: ippm [mailto:ippm-boun= ces@ietf.org] On Behalf Of Frank Brockners (fbrockne)
Sent: Friday, July 05, 2019 2:22 AM
To: ippm@ietf.org
Subject: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM f= lags

 

Back in the IPPM WG meeting in = Prague, Tommy concluded on the discussion of draft-ietf-ippm-ioam-data-05, = that we should “separate the flag discussion into separate drafts and=   then fold it into the data draft based on WG consensus.” (see IPPM minutes

https://datatracker.ietf.org/mee= ting/104/materials/minutes-104-ippm-00). Unfortunately it took a bit longer than expected but today two new documen= ts were published following Tommy’s conclusion:

 

https://tools.ietf.org/html/draft-mizrahi-ip= pm-ioam-flags-00

https://tools..ietf.org/html/draft-ietf-ippm= -ioam-data-06

 

draft-mizrahi-ippm-ioam-flags-0= 0 is a new document which provides the description of those flags that desc= ribe IOAM behavior not immediately associated to updating the IOAM data fie= lds, i.e. the new draft took the text related to flags from the draft-ietf-ippm-ioam-data. draft-ietf-ippm-ioam-= data-06 is the associated update to the -05 version with the description of= the flags removed.

 

With the -00 draft cut off stil= l a few days away, it would be great to get comments on the split and even = more so on the new ioam-flags draft, so that we could create a rev before t= he cut off (if required) and then try to close the discussion in Montreal.

 

Thanks much, Frank

--_000_BBA82579FD347748BEADC4C445EA0F21BEE7C43FNKGEML515MBSchi_-- From nobody Tue Jul 9 00:57:10 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A9FAF12010C for ; Tue, 9 Jul 2019 00:57:08 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.399 X-Spam-Level: X-Spam-Status: No, score=-14.399 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, HTTPS_HTTP_MISMATCH=0.1, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com header.b=IHw6Zxlw; dkim=pass (1024-bit key) header.d=cisco.onmicrosoft.com header.b=rtBjdVcf Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id m89AyDd_aZBh for ; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Tianran, Please see inline ("FB2"). From: Tianran Zhou Sent: Dienstag, 9. Juli 2019 09:47 To: Haoyu Song ; Frank Brockners (fbrockne) ; ippm@ietf.org Cc: rbonica@juniper.net Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flags Hi Frank, Some comments added on Haoyu. Please see in line. Tianran From: Haoyu Song [mailto:haoyu.song@futurewei.com] Sent: Tuesday, July 09, 2019 12:54 AM To: Frank Brockners (fbrockne) >; Tianran Zhou >; = ippm@ietf.org Cc: rbonica@juniper.net Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flags My comments below. Haoyu From: ippm > On Behalf = Of Frank Brockners (fbrockne) Sent: Monday, July 08, 2019 4:42 AM To: Tianran Zhou >; i= ppm@ietf.org Cc: rbonica@juniper.net Subject: Re: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM flag= s Hi Tianran, Thanks for your comments. Per the WG discussion: "IOAM flags draft" (i.e. d= raft-mizrahi-ippm-ioam-flags-00) is not really a new draft, but it temporar= ily farms out the flags discussion that already existed in draft-ietf-ippm-= ioam-data-05 into a dedicated document - so that we can finalize draft-ietf= -ippm-ioam-data as quickly as possible. There isn't any new proposal in the= flags draft. We intentionally did not change the contents - the objective = was just to split the document. In addition, the purpose of the flags draft is to motivate and define the f= lags, rather than detail procedures which would go beyond the definition of= the flags. Those definitions could well live in dedicated documents (see m= ore comments below). An evolved version of the postcard I-D that you refer = to below - or probably a new focused I-D, could be such a more specific doc= ument. [Tianran] Yes, I know the reason to split the draft. My comments were mainl= y about the draft-mizrahi-ippm-ioam-flags-00. But now I am confused with the purpose of the draft-mizrahi-ippm-ioam-flags= -00 based on your statements. To be clear, do you mean you are not going to evolve this draft? I.e., it's= temporary. So each flag will need a specific document? ..FB2: See https://datatracker.ietf.org/meeting/104/materials/minutes-104-i= ppm-00 which states "Tommy: On the flags - separate the flag discussion int= o separate drafts and then fold it into the data draft based on WG consens= us." - If we can agree on the flags draft quickly, we could fold it back in= to the draft-ietf-ippm-ioam-data. Otherwise, I'd expect the flags draft to = be a standalone document which we could adopt as the WG. Cheers, Frank From: Tianran Zhou > Sent: Freitag, 5. Juli 2019 04:32 To: Frank Brockners (fbrockne) >; ippm@ietf..org Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flags Hi Frank, Here are some comments on the IOAM flags: 1. Why proposing the "Immediate Exporting" when a new postcard option (http= s://datatracker.ietf.org/doc/draft-song-ippm-postcard-based-telemetry/) is already proposed f= or IOAM? What's the difference for use? One scenario may apply to this flag is to indicate the node to export all t= he existing tracing data when the node is not able to attach data. Other ca= pable nodes will still trace and attach data. This may make the flag useful= and different. In addition, you mentioned to use the e2e option to assist the postcard. Th= at may need an encapsulation extension to IPv6 HbH for e2e option. ...FB: draft-mizrahi-ippm-ioam-flags-00 already mentions the use of the IOA= M E2E option with sequence number: "As a means to support correlation of e= xported IOAM data different nodes in the network, a deployment could consid= er attaching an IOAM E2E option in addition to the trace option, that incl= udes a sequence number.". [HS] As we have discussed before, I still think such statement should be dr= opped from the document. It complicates the operation, obscures the semanti= cs, and make further extensions harder. I see no reason to support a hack l= ike this when we have an explicit and dedicated option. Having a dedicated document that expands on immediate export and the differ= ent types of use cases could be seen as beneficial. Section 3 of draft-song= -ippm-postcard-based-telemetry-03 could be a starting point. A few things f= rom my perspective that we still have to get sorted are: * inclusion of the different "uses" of data created by immediate export. In= his draft draft-bonica-6man-oam, Ron (cc'ed) documented a couple actions t= hat a node could perform when doing immediate export, e.g. "1 - log the pac= ket", "2 - count the packet", "3 - send ICMP to the source", "4 - send tele= metry". We should add those to the new I-D. [HS] We should have more discussion on this. If this is truly needed, it ca= n be supported either by flags or by data type definition. * (specifically on the postcard draft, section 3): close on the discussion = of whether we need a flow-id field (as E2E option) and how this field would= be defined and used. Back in Prague, several opinions were voiced on this = topic - ranging from support of a new "flow id option" to not seeing the ne= ed to define a new option. [HS] As discussed in last meeting, we could make the flow-ID optional. In s= ome cases, it's very useful to reduce data transport bandwidth and data par= sing workload. As for the ID generation mechanisms, we can provide several= suggestions but it can also be left open for user to decide. Of course, if= we can decide a best method, we can adopt it. 2. I suggested before. I would like to propose a "significant data" bit in = the flag. It is set by the intermediate node who think the attached data is= significant. The use case is to reduce the exporting data at the end of th= e IOAM domain. i.e., only the meta data with "significant data" bit set wil= l be exported. For example, when we are tracing the transit delay hop by ho= p, transit delay within a threshold may not be useful, and not worth to be = exported to the collector. Any intermediate node can set this "significant = data" bit when the transit delay breaches the threshold. So data are export= ed only when path congestion. This can be extended to other examples, e.g. = buffer. ...FB: Hmm. I think I need to better understand the use case to be convince= d. In the first place, why would a node insert data that isn't seen as sign= ificant? Rather than use a significant flag, just set up operations in a wa= y that only data considered significant is inserted - otherwise would choos= e to not insert any data. [Tianran]: It seems you proposed another approach for the use case. It may = work. I think the major problem is it changes the default procedure of IOAM= trace. IMO, by default, IOAM will trace data according to the bitmap instr= uction, no matter isn't seen as significant or not. If you really want to follow your thought to the end, it would translate in= to adding a "priority" to every IOAM data field. We would then need to deci= de how many different priorities we'd need, how they are defined and used. = Thus, before going there, let's understand the use case. [Tianran]: I think the significant flag is similar to the "priority". It's = only the design choice whether to use multiple bits for several priority le= vels. It's also the design choice whether to give each data field a priorit= y or just set one flag for one packet. IMHO, it's easy to decide "yes" or "= no" with one bit, for example the threshold breach, but hard to decide the = level with multiple bits priority. Cheers, Frank Regards, Tianran From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Frank Brockners (fbr= ockne) Sent: Friday, July 05, 2019 2:22 AM To: ippm@ietf.org Subject: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM flags Back in the IPPM WG meeting in Prague, Tommy concluded on the discussion of= draft-ietf-ippm-ioam-data-05, that we should "separate the flag discussion= into separate drafts and then fold it into the data draft based on WG con= sensus." (see IPPM minutes https://datatracker.ietf.org/meeting/104/materials/minutes-104-ippm-00). Unfortunately it took a bi= t longer than expected but today two new documents were published following= Tommy's conclusion: https://tools.ietf.org/html/draft-mizrahi-ippm-ioam-flags-00 https://tools..ietf.org/html/draft-ietf-ippm-ioam-data-06 draft-mizrahi-ippm-ioam-flags-00 is a new document which provides the descr= iption of those flags that describe IOAM behavior not immediately associate= d to updating the IOAM data fields, i.e. the new draft took the text relate= d to flags from the draft-ietf-ippm-ioam-data. draft-ietf-ippm-ioam-data-06= is the associated update to the -05 version with the description of the fl= ags removed. With the -00 draft cut off still a few days away, it would be great to get = comments on the split and even more so on the new ioam-flags draft, so that= we could create a rev before the cut off (if required) and then try to clo= se the discussion in Montreal. Thanks much, Frank --_000_MN2PR11MB3629C91B72FE1F706A1235A0DAF10MN2PR11MB3629namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Tianran,

 

Please see inline (“FB2”).

 

From: Tianran Zhou <zhoutianran@huawei.com= >
Sent: Dienstag, 9. Juli 2019 09:47
To: Haoyu Song <haoyu.song@futurewei.com>; Frank Brockners (fb= rockne) <fbrockne@cisco.com>; ippm@ietf.org
Cc: rbonica@juniper.net
Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flag= s

 

Hi Frank,

 

Some comments added on Haoyu. Ple= ase see in line.

 

Tianran

 

From:<= /span> Haoyu Song [mailto:haoyu.song@futurewei.com]
Sent: Tuesday, July 09, 2019 12:54 AM
To: Frank Brockners (fbrockne) <fbrockne@cisco.com>; Tianran Zhou <zhoutianran@huawei.com>; ippm@ietf.org
Cc: rbonica@juniper.net Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flag= s

&nbs= p;

My commen= ts below.

&nbs= p;

Haoyu

&nbs= p;

From:<= /span> ippm <ippm-bounces@ietf.org> On Behalf Of Frank Brockners (fbrockne)
Sent: Monday, July 08, 2019 4:42 AM
To: Tianran Zhou <zhout= ianran@huawei.com>; ippm@ietf.org
Cc: rbonica@juniper.net Subject: Re: [ippm] draft-ietf-ippm-ioam-data and a new draft for IO= AM flags

&nbs= p;

Hi Tia= nran,

&= nbsp;

Thanks= for your comments. Per the WG discussion: “IOAM flags draft” (= i.e. draft-mizrahi-ippm-ioam-flags-00) is not really a new draft, but it te= mporarily farms out the flags discussion that already existed in draft-ietf-ippm-ioam-data-05 into a dedicated document – = so that we can finalize draft-ietf-ippm-ioam-data as quickly as possible. T= here isn’t any new proposal in the flags draft. We intentionally did = not change the contents – the objective was just to split the document.

In add= ition, the purpose of the flags draft is to motivate and define the flags, = rather than detail procedures which would go beyond the definition of the f= lags. Those definitions could well live in dedicated documents (see more comments below). An evolved version of th= e postcard I-D that you refer to below – or probably a new focused I-= D, could be such a more specific document.

 

[Tianran] Yes, I know the reason = to split the draft. My comments were mainly about the draft-mizrahi-ippm-io= am-flags-00.

But now I am confused with the pu= rpose of the draft-mizrahi-ippm-ioam-flags-00 based on your statements.

To be clear, do you mean you are = not going to evolve this draft? I.e., it’s temporary. So each flag will need a specific document?

 

..FB2:= See https://datatracker.ietf.org/meeting/104/materials/minutes-104-ippm= -00 which states “Tommy: On the flags - separate the flag discussion into separate drafts and  then fold it into the data draft= based on WG consensus.” – If we can agree on the flags draft q= uickly, we could fold it back into the draft-ietf-ippm-ioam-data. Otherwise= , I’d expect the flags draft to be a standalone document which we could adopt as the WG.

&= nbsp;

Cheers= , Frank

&= nbsp;

&nbs= p;

From:<= /span> Tianran Zhou <zhoutianran@huawei.com>
Sent: Freitag, 5. Juli 2019 04:32
To: Frank Brockners (fbrockne) <fbrockne@cisco.com>; ippm@ietf..org
Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flag= s

&nbs= p;

Hi Frank,

 

Here are some comments on the IOA= M flags:

 

1. Why proposing the “Immediate Exporting” when a new postcard option (https://datatracker.ietf.org/doc/draft-so= ng-ippm-postcard-based-telemetry/) is already proposed for IOAM? What’s= the difference for use?

One scenario may apply to this fl= ag is to indicate the node to export all the existing tracing data when the= node is not able to attach data. Other capable nodes will still trace and attach data. This may make the flag use= ful and different.

 

In addition, you mentioned to use= the e2e option to assist the postcard. That may need an encapsulation exte= nsion to IPv6 HbH for e2e option.

 

…FB: draft-mizrahi-ippm= -ioam-flags-00 already mentions the use of the IOAM E2E option with sequenc= e number: “As a means to  support correlation of exported IOAM d= ata different nodes in the network, a deployment could consider attaching an IOAM E2E option in  addition to the trace optio= n, that includes a sequence number.”.

[HS] As we have discussed before, I still think su= ch statement should be dropped from the document. It complicates the operat= ion, obscures the semantics, and make further extensions harder. I see no reason to support a hack like this whe= n we have an explicit and dedicated option.

Having a dedicated document that expands on immediat= e export and the different types of use cases could be seen as beneficial. = Section 3 of draft-song-ippm-postcard-based-telemetry-03 could be a starting point. A few things from my perspective that we still = have to get sorted are:

* inclusion of the different “uses” of d= ata created by immediate export. In his draft draft-bonica-6man-oam, Ron (c= c’ed) documented a couple actions that a node could perform when doing immediate export, e.g. “1 - log the packet”= , “2 - count the packet”, “3 - send ICMP to the source= 221;, “4 - send telemetry”. We should add those to the new I-D.=

&= nbsp;

[HS] W= e should have more discussion on this. If this is truly needed, it can be s= upported either by flags or by data type definition.

&= nbsp;

* (specifically on the postcard draft, section 3): c= lose on the discussion of whether we need a flow-id field (as E2E option) a= nd how this field would be defined and used. Back in Prague, several opinions were voiced on this topic – r= anging from support of a new “flow id option” to not seeing the= need to define a new option.

&= nbsp;

[HS] A= s discussed in last meeting, we could make the flow-ID optional. In some ca= ses, it’s very useful to reduce data transport bandwidth and data par= sing workload. As  for the ID generation mechanisms, we can provide several suggestions but it can also be left open for user t= o decide. Of course, if we can decide a best method, we can adopt it.<= /o:p>

 

&nbs= p;

2. I suggested before. I would li= ke to propose a “significant data” bit in the flag. It is set by the intermediate node who think the attached= data is significant. The use case is to reduce the exporting data at the e= nd of the IOAM domain. i.e., only the meta data with “significant data” bit set will be exported. For example, when we are tracing the transit del= ay hop by hop, transit delay within a threshold may not be useful, and not = worth to be exported to the collector. Any intermediate node can set this “significant data” bit when the transit delay breaches the threshold. So data are exported on= ly when path congestion. This can be extended to other examples, e.g. buffe= r.

 

…FB: Hmm. I think I need to better understand the use case to be convinced.= In the first place, why would a node insert data that isn’t seen as = significant? Rather than use a significant flag, just set up operations in a way that only data considered significant is i= nserted – otherwise would choose to not insert any data.

[Tianran]: It seems you proposed = another approach for the use case. It may work. I think the major problem i= s it changes the default procedure of IOAM trace. IMO, by default, IOAM will trace data according to the bitmap = instruction, no matter isn’t seen as significant or not.

 

If you= really want to follow your thought to the end, it would translate into add= ing a “priority” to every IOAM data field. We would then need t= o decide how many different priorities we’d need, how they are defined and used. Thus, before going there, let’s under= stand the use case.

 

[Tianran]: I think the significan= t flag is similar to the “priority”. It’s only the design choice whether = to use multiple bits for several priority levels. It’s also the design choice = whether to give each data field a priority or just set one flag for one packet. IMHO, it’s easy to decide “yes” or “no” with one bit, for example the threshold breach, but hard to decide the lev= el with multiple bits priority.

 

Cheers= , Frank

 

Regards,

Tianran

 

From:<= /span> ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Frank Brockners (fbrockne)
Sent: Friday, July 05, 2019 2:22 AM
To: ippm@ietf.org
Subject: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM f= lags

&nbs= p;

Back in t= he IPPM WG meeting in Prague, Tommy concluded on the discussion of draft-ie= tf-ippm-ioam-data-05, that we should “separate the flag discussion in= to separate drafts and  then fold it into the data draft based on WG consensus.” (see IPPM minutes<= /span>

https:/= /datatracker.ietf.org/meeting/104/materials/minutes-104-ippm-00). Unfortunately it took a bit longer than expected but today two new documen= ts were published following Tommy’s conclusion:

&nbs= p;

https://tools.ietf.o= rg/html/draft-mizrahi-ippm-ioam-flags-00

https://tools..ietf.= org/html/draft-ietf-ippm-ioam-data-06

&nbs= p;

draft-miz= rahi-ippm-ioam-flags-00 is a new document which provides the description of= those flags that describe IOAM behavior not immediately associated to upda= ting the IOAM data fields, i.e. the new draft took the text related to flags from the draft-ietf-ippm-ioam-dat= a. draft-ietf-ippm-ioam-data-06 is the associated update to the -05 version= with the description of the flags removed.

&nbs= p;

With the = -00 draft cut off still a few days away, it would be great to get comments = on the split and even more so on the new ioam-flags draft, so that we could= create a rev before the cut off (if required) and then try to close the discussion in Montreal.

&nbs= p;

Thanks mu= ch, Frank

--_000_MN2PR11MB3629C91B72FE1F706A1235A0DAF10MN2PR11MB3629namp_-- From nobody Tue Jul 9 01:53:23 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 072821203A1 for ; Tue, 9 Jul 2019 01:53:21 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.099 X-Spam-Level: X-Spam-Status: No, score=-4.099 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, HTTPS_HTTP_MISMATCH=0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 5c6YGq0KtZwP for ; Tue, 9 Jul 2019 01:53:15 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4A7431203B2 for ; Tue, 9 Jul 2019 01:53:13 -0700 (PDT) Received: from LHREML713-CAH.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id 36F259BD3CF8E8A3FC3D for ; Tue, 9 Jul 2019 09:53:11 +0100 (IST) Received: from NKGEML413-HUB.china.huawei.com (10.98.56.74) by LHREML713-CAH.china.huawei.com (10.201.108.36) with Microsoft SMTP Server (TLS) id 14.3.408.0; Tue, 9 Jul 2019 09:53:10 +0100 Received: from NKGEML515-MBS.china.huawei.com ([169.254.5.134]) by NKGEML413-HUB.china.huawei.com ([10.98.56.74]) with mapi id 14.03.0415.000; Tue, 9 Jul 2019 16:53:05 +0800 From: Tianran Zhou To: "Frank Brockners (fbrockne)" , Haoyu Song , "ippm@ietf.org" CC: "rbonica@juniper.net" Thread-Topic: draft-ietf-ippm-ioam-data and a new draft for IOAM flags Thread-Index: AdUylCYVrsvRvlcmSe+4uK422z4Y9AAPUIRwAKsmw9AAC4/ngAAVbToAAApWcuAAAeAiQA== Date: Tue, 9 Jul 2019 08:53:04 +0000 Message-ID: References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.111.156.116] Content-Type: multipart/alternative; boundary="_000_BBA82579FD347748BEADC4C445EA0F21BEE7C479NKGEML515MBSchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2019 08:53:21 -0000 --_000_BBA82579FD347748BEADC4C445EA0F21BEE7C479NKGEML515MBSchi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Frank, Based on "FB2", my comments were mainly about the draft-mizrahi-ippm-ioam-f= lags-00. Hope we can discuss on them to achieve the consensus. Regards, Tianran From: Frank Brockners (fbrockne) [mailto:fbrockne@cisco.com] Sent: Tuesday, July 09, 2019 3:57 PM To: Tianran Zhou ; Haoyu Song ; ippm@ietf.org Cc: rbonica@juniper.net Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flags Hi Tianran, Please see inline ("FB2"). From: Tianran Zhou > Sent: Dienstag, 9. Juli 2019 09:47 To: Haoyu Song >;= Frank Brockners (fbrockne) >= ; ippm@ietf.org Cc: rbonica@juniper.net Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flags Hi Frank, Some comments added on Haoyu. Please see in line. Tianran From: Haoyu Song [mailto:haoyu.song@futurewei.com] Sent: Tuesday, July 09, 2019 12:54 AM To: Frank Brockners (fbrockne) >; Tianran Zhou >; = ippm@ietf.org Cc: rbonica@juniper.net Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flags My comments below. Haoyu From: ippm > On Behalf = Of Frank Brockners (fbrockne) Sent: Monday, July 08, 2019 4:42 AM To: Tianran Zhou >; i= ppm@ietf.org Cc: rbonica@juniper.net Subject: Re: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM flag= s Hi Tianran, Thanks for your comments. Per the WG discussion: "IOAM flags draft" (i.e. d= raft-mizrahi-ippm-ioam-flags-00) is not really a new draft, but it temporar= ily farms out the flags discussion that already existed in draft-ietf-ippm-= ioam-data-05 into a dedicated document - so that we can finalize draft-ietf= -ippm-ioam-data as quickly as possible. There isn't any new proposal in the= flags draft. We intentionally did not change the contents - the objective = was just to split the document. In addition, the purpose of the flags draft is to motivate and define the f= lags, rather than detail procedures which would go beyond the definition of= the flags. Those definitions could well live in dedicated documents (see m= ore comments below). An evolved version of the postcard I-D that you refer = to below - or probably a new focused I-D, could be such a more specific doc= ument. [Tianran] Yes, I know the reason to split the draft. My comments were mainl= y about the draft-mizrahi-ippm-ioam-flags-00. But now I am confused with the purpose of the draft-mizrahi-ippm-ioam-flags= -00 based on your statements. To be clear, do you mean you are not going to evolve this draft? I.e., it's= temporary. So each flag will need a specific document? ..FB2: See https://datatracker.ietf.org/meeting/104/materials/minutes-104-i= ppm-00 which states "Tommy: On the flags - separate the flag discussion int= o separate drafts and then fold it into the data draft based on WG consens= us." - If we can agree on the flags draft quickly, we could fold it back in= to the draft-ietf-ippm-ioam-data. Otherwise, I'd expect the flags draft to = be a standalone document which we could adopt as the WG. Cheers, Frank From: Tianran Zhou > Sent: Freitag, 5. Juli 2019 04:32 To: Frank Brockners (fbrockne) >; ippm@ietf..org Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flags Hi Frank, Here are some comments on the IOAM flags: 1. Why proposing the "Immediate Exporting" when a new postcard option (http= s://datatracker.ietf.org/doc/draft-song-ippm-postcard-based-telemetry/) is already proposed f= or IOAM? What's the difference for use? One scenario may apply to this flag is to indicate the node to export all t= he existing tracing data when the node is not able to attach data. Other ca= pable nodes will still trace and attach data. This may make the flag useful= and different. In addition, you mentioned to use the e2e option to assist the postcard. Th= at may need an encapsulation extension to IPv6 HbH for e2e option. ...FB: draft-mizrahi-ippm-ioam-flags-00 already mentions the use of the IOA= M E2E option with sequence number: "As a means to support correlation of e= xported IOAM data different nodes in the network, a deployment could consid= er attaching an IOAM E2E option in addition to the trace option, that incl= udes a sequence number.". [HS] As we have discussed before, I still think such statement should be dr= opped from the document. It complicates the operation, obscures the semanti= cs, and make further extensions harder. I see no reason to support a hack l= ike this when we have an explicit and dedicated option. Having a dedicated document that expands on immediate export and the differ= ent types of use cases could be seen as beneficial. Section 3 of draft-song= -ippm-postcard-based-telemetry-03 could be a starting point. A few things f= rom my perspective that we still have to get sorted are: * inclusion of the different "uses" of data created by immediate export. In= his draft draft-bonica-6man-oam, Ron (cc'ed) documented a couple actions t= hat a node could perform when doing immediate export, e.g. "1 - log the pac= ket", "2 - count the packet", "3 - send ICMP to the source", "4 - send tele= metry". We should add those to the new I-D. [HS] We should have more discussion on this. If this is truly needed, it ca= n be supported either by flags or by data type definition. * (specifically on the postcard draft, section 3): close on the discussion = of whether we need a flow-id field (as E2E option) and how this field would= be defined and used. Back in Prague, several opinions were voiced on this = topic - ranging from support of a new "flow id option" to not seeing the ne= ed to define a new option. [HS] As discussed in last meeting, we could make the flow-ID optional. In s= ome cases, it's very useful to reduce data transport bandwidth and data par= sing workload. As for the ID generation mechanisms, we can provide several= suggestions but it can also be left open for user to decide. Of course, if= we can decide a best method, we can adopt it. 2. I suggested before. I would like to propose a "significant data" bit in = the flag. It is set by the intermediate node who think the attached data is= significant. The use case is to reduce the exporting data at the end of th= e IOAM domain. i.e., only the meta data with "significant data" bit set wil= l be exported. For example, when we are tracing the transit delay hop by ho= p, transit delay within a threshold may not be useful, and not worth to be = exported to the collector. Any intermediate node can set this "significant = data" bit when the transit delay breaches the threshold. So data are export= ed only when path congestion. This can be extended to other examples, e.g. = buffer. ...FB: Hmm. I think I need to better understand the use case to be convince= d. In the first place, why would a node insert data that isn't seen as sign= ificant? Rather than use a significant flag, just set up operations in a wa= y that only data considered significant is inserted - otherwise would choos= e to not insert any data. [Tianran]: It seems you proposed another approach for the use case. It may = work. I think the major problem is it changes the default procedure of IOAM= trace. IMO, by default, IOAM will trace data according to the bitmap instr= uction, no matter isn't seen as significant or not. If you really want to follow your thought to the end, it would translate in= to adding a "priority" to every IOAM data field. We would then need to deci= de how many different priorities we'd need, how they are defined and used. = Thus, before going there, let's understand the use case. [Tianran]: I think the significant flag is similar to the "priority". It's = only the design choice whether to use multiple bits for several priority le= vels. It's also the design choice whether to give each data field a priorit= y or just set one flag for one packet. IMHO, it's easy to decide "yes" or "= no" with one bit, for example the threshold breach, but hard to decide the = level with multiple bits priority. Cheers, Frank Regards, Tianran From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Frank Brockners (fbr= ockne) Sent: Friday, July 05, 2019 2:22 AM To: ippm@ietf.org Subject: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM flags Back in the IPPM WG meeting in Prague, Tommy concluded on the discussion of= draft-ietf-ippm-ioam-data-05, that we should "separate the flag discussion= into separate drafts and then fold it into the data draft based on WG con= sensus." (see IPPM minutes https://datatracker.ietf.org/meeting/104/materials/minutes-104-ippm-00). Unfortunately it took a bi= t longer than expected but today two new documents were published following= Tommy's conclusion: https://tools.ietf.org/html/draft-mizrahi-ippm-ioam-flags-00 https://tools..ietf.org/html/draft-ietf-ippm-ioam-data-06 draft-mizrahi-ippm-ioam-flags-00 is a new document which provides the descr= iption of those flags that describe IOAM behavior not immediately associate= d to updating the IOAM data fields, i.e. the new draft took the text relate= d to flags from the draft-ietf-ippm-ioam-data. draft-ietf-ippm-ioam-data-06= is the associated update to the -05 version with the description of the fl= ags removed. With the -00 draft cut off still a few days away, it would be great to get = comments on the split and even more so on the new ioam-flags draft, so that= we could create a rev before the cut off (if required) and then try to clo= se the discussion in Montreal. Thanks much, Frank --_000_BBA82579FD347748BEADC4C445EA0F21BEE7C479NKGEML515MBSchi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Frank,

 

Based on “= ;FB2”, my comments were mainly about the draft-mizrahi-ippm-ioam-fl= ags-00.

Hope we can discuss on them to achieve the co= nsensus.

 

Regards,

Tianran

 

From: Frank Brockners (fbrockne) [mailto:fbrockne@cisco.com]
Sent: Tuesday, July 09, 2019 3:57 PM
To: Tianran Zhou <zhoutianran@huawei.com>; Haoyu Song <haoy= u.song@futurewei.com>; ippm@ietf.org
Cc: rbonica@juniper.net
Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flag= s

 

Hi Tianran,

 

Please see inline (“FB2&#= 8221;).

 

From: Tianran Zhou <zhou= tianran@huawei.com>
Sent: Dienstag, 9. Juli 2019 09:47
To: Haoyu Song <haoyu= .song@futurewei.com>; Frank Brockners (fbrockne) <fbrockne@cisco.com>; ippm@ietf.org
Cc: rbonica@juniper.net Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flag= s

 

Hi Frank,

 

Some comments added on Haoyu. Please see in l= ine.

 

Tianran

 

From: Haoyu Song [mailto:= haoyu.song@futurewei.com]
Sent: Tuesday, July 09, 2019 12:54 AM
To: Frank Brockners (fbrockne) <fbrockne@cisco.com>; Tianran Zhou <zhoutianran@huawei.com>; ippm@ietf.org
Cc: rbonica@juniper.net Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flag= s

 

My comments below.

 

Haoyu

 

From: ippm <ippm-bounces@= ietf.org> On Behalf Of Frank Brockners (fbrockne)
Sent: Monday, July 08, 2019 4:42 AM
To: Tianran Zhou <zhout= ianran@huawei.com>; ippm@ietf.org
Cc: rbonica@juniper.net Subject: Re: [ippm] draft-ietf-ippm-ioam-data and a new draft for IO= AM flags

 

Hi Tianran,

 =

Thanks for your comments. Pe= r the WG discussion: “IOAM flags draft” (i.e. draft-mizrahi-ipp= m-ioam-flags-00) is not really a new draft, but it temporarily farms out th= e flags discussion that already existed in draft-ietf-ippm-ioam-data-05 into a dedicated document – so that we can finalize draft-ietf-ippm-= ioam-data as quickly as possible. There isn’t any new proposal in the= flags draft. We intentionally did not change the contents – the obje= ctive was just to split the document.

In addition, the purpose of = the flags draft is to motivate and define the flags, rather than detail pro= cedures which would go beyond the definition of the flags. Those definition= s could well live in dedicated documents (see more comments below). An evolved version of the postcard I-D that you= refer to below – or probably a new focused I-D, could be such a more= specific document.

 

[Tianran] Yes, I know the reason to split the= draft. My comments were mainly about the draft-mizrahi-ippm-ioam-flags-00.

But now I am confused with the purpose of the= draft-mizrahi-ippm-ioam-flags-00 based on your statements.

To be clear, do you mean you are not going to= evolve this draft? I.e., it’s temporary. So each flag will need a specific document?

 <= /i>

..FB2: See https://datatracker.ietf.org/meeting/104/materials/minutes-104-ippm-00 = which states “Tommy: On the flags - separate the flag discussion into= separate drafts and  then fold it into the data draft based on WG con= sensus.” – If we can agree on the flags draft quickly, we could fold it back into the draft-ietf-ippm-ioam-data. Otherwi= se, I’d expect the flags draft to be a standalone document which we c= ould adopt as the WG.

 =

Cheers, Frank

 =

 

From: Tianran Zhou <zhou= tianran@huawei.com>
Sent: Freitag, 5. Juli 2019 04:32
To: Frank Brockners (fbrockne) <fbrockne@cisco.com>; ippm@ietf..org
Subject: RE: draft-ietf-ippm-ioam-data and a new draft for IOAM flag= s

 

Hi Frank,

 

Here are some comments on the IOAM flags:

 

1. Why proposing the “= ;Immediate Exporting” when a new postcard option (https://datatracker.ietf.org/doc/draft-so= ng-ippm-postcard-based-telemetry/) is already proposed for IOAM? What’s the difference for use?=

One scenario may apply to this flag is to ind= icate the node to export all the existing tracing data when the node is not= able to attach data. Other capable nodes will still trace and attach data. This may make the flag useful and differ= ent.

 

In addition, you mentioned to use the e2e opt= ion to assist the postcard. That may need an encapsulation extension to IPv= 6 HbH for e2e option.

 <= /i>

…FB: draft-mizrahi-ippm-ioam-flags-00 already= mentions the use of the IOAM E2E option with sequence number: “As a = means to  support correlation of exported IOAM data different nodes in= the network, a deployment could consider attaching an IOAM E2E option in  addition to the trace option, that includes a = sequence number.”.

[HS] As we have discussed before, I still think such statement should be= dropped from the document. It complicates the operation, obscures the sema= ntics, and make further extensions harder. I see no reason to support a hack like this when we have an explicit and d= edicated option.

Having a dedicated document that expands on immediate export and the diffe= rent types of use cases could be seen as beneficial. Section 3 of draft-son= g-ippm-postcard-based-telemetry-03 could be a starting point. A few things from my perspective that we still have t= o get sorted are:

* inclusion of the different “uses” of data created by immedia= te export. In his draft draft-bonica-6man-oam, Ron (cc’ed) documented= a couple actions that a node could perform when doing immediate export, e.g. “1 - log the packet”, “2 - count the packet= ”, “3 - send ICMP to the source”, “4 - send telemet= ry”. We should add those to the new I-D.

 =

[HS] We should have more dis= cussion on this. If this is truly needed, it can be supported either by fla= gs or by data type definition.

 =

* (specifically on the postcard draft, section 3): close on the discussion= of whether we need a flow-id field (as E2E option) and how this field woul= d be defined and used. Back in Prague, several opinions were voiced on this topic – ranging from support of= a new “flow id option” to not seeing the need to define a new = option.

 =

[HS] As discussed in last me= eting, we could make the flow-ID optional. In some cases, it’s very u= seful to reduce data transport bandwidth and data parsing workload. As &nbs= p;for the ID generation mechanisms, we can provide several suggestions but it can also be left open for user to decide. Of co= urse, if we can decide a best method, we can adopt it.

 

 

2. I suggested before. I would like to propos= e a “= ;significant data” bit in the flag. It is set by the intermediate node who think the attached= data is significant. The use case is to reduce the exporting data at the e= nd of the IOAM domain. i.e., only the meta data with “= ;significant data” bit set will be exported. For example, when we are tracing the transit del= ay hop by hop, transit delay within a threshold may not be useful, and not = worth to be exported to the collector. Any intermediate node can set this “= ;significant data” bit when the transit delay breaches the threshold. So data are exported on= ly when path congestion. This can be extended to other examples, e.g. buffe= r.

 <= /i>

…FB: Hmm. I think I ne= ed to better understand the use case to be convinced. In the first place, w= hy would a node insert data that isn’t seen as significant? Rather th= an use a significant flag, just set up operations in a way that only data considered significant is inserted – otherwi= se would choose to not insert any data.

[Tianran]: It seems you proposed another appr= oach for the use case. It may work. I think the major problem is it changes= the default procedure of IOAM trace. IMO, by default, IOAM will trace data according to the bitmap instruction,= no matter isn’t seen as significant or not.

 

If you really want to follow= your thought to the end, it would translate into adding a “priority&= #8221; to every IOAM data field. We would then need to decide how many diff= erent priorities we’d need, how they are defined and used. Thus, before going there, let’s understand the use case.

 

[Tianran]: I think the significant flag is si= milar to the “= ;priority”. It= 217;s only the design choice whether to use multiple bits for= several priority levels. It’s also the design choice whether to give each data field a priority or just = set one flag for one packet. IMHO, it’s easy to decide “yes” or &#= 8220;no” with one bit, for example the threshold breach, but hard to decide the lev= el with multiple bits priority.

 

Cheers, Frank

 

Regards,

Tianran

 

From: ippm [mailto:ippm-boun= ces@ietf.org] On Behalf Of Frank Brockners (fbrockne)
Sent: Friday, July 05, 2019 2:22 AM
To: ippm@ietf.org
Subject: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM f= lags

 

Back in the IPPM WG meeting in = Prague, Tommy concluded on the discussion of draft-ietf-ippm-ioam-data-05, = that we should “separate the flag discussion into separate drafts and=   then fold it into the data draft based on WG consensus.” (see IPPM minutes

https://datatracker.ietf.org/mee= ting/104/materials/minutes-104-ippm-00). Unfortunately it took a bit longer than expected but today two new documen= ts were published following Tommy’s conclusion:

 

https://tools.ietf.org/html/draft-mizrahi-ip= pm-ioam-flags-00

https://tools..ietf.org/html/draft-ietf-ippm= -ioam-data-06

 

draft-mizrahi-ippm-ioam-flags-0= 0 is a new document which provides the description of those flags that desc= ribe IOAM behavior not immediately associated to updating the IOAM data fie= lds, i.e. the new draft took the text related to flags from the draft-ietf-ippm-ioam-data. draft-ietf-ippm-ioam-= data-06 is the associated update to the -05 version with the description of= the flags removed.

 

With the -00 draft cut off stil= l a few days away, it would be great to get comments on the split and even = more so on the new ioam-flags draft, so that we could create a rev before t= he cut off (if required) and then try to close the discussion in Montreal.

 

Thanks much, Frank

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([169.254.5.134]) by nkgeml414-hub.china.huawei.com ([10.98.56.75]) with mapi id 14.03.0415.000; Tue, 9 Jul 2019 17:15:35 +0800 From: Tianran Zhou To: Tommy Pauly , IETF IPPM WG CC: "draft-mirsky-ippm-stamp-option-tlv@ietf.org" Thread-Topic: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tlv Thread-Index: AQHVNd/0pyjIRnkduUSUGJTVD/j4J6bCAcAw Date: Tue, 9 Jul 2019 09:15:35 +0000 Message-ID: References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.111.156.116] Content-Type: multipart/alternative; boundary="_000_BBA82579FD347748BEADC4C445EA0F21BEE7C4A8NKGEML515MBSchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tlv X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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multipart/related; boundary="000000000000c3213e058d3deb38" Archived-At: Subject: Re: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tlv X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2019 11:32:55 -0000 --000000000000c3213e058d3deb38 Content-Type: multipart/alternative; boundary="000000000000c3213a058d3deb37" --000000000000c3213a058d3deb37 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Yes, support as co-author Cheers Henrik On Tue, Jul 9, 2019 at 1:23 PM wrote: > I support WG adoption of this draft. > > > > > > > =E9=83=AD=E4=BF=8A guojun > > > =E8=BD=AF=E4=BB=B6=E5=BC=80=E5=8F=91=E5=B7=A5=E7=A8=8B=E5=B8=88 Developm= ent Engineer > =E5=88=86=E7=BB=84=E5=8D=97=E4=BA=AC=E8=BD=AF=E4=BB=B6=E5=BC=80=E5=8F=91= =E4=B8=80=E9=83=A8/=E6=9C=89=E7=BA=BF=E7=A0=94=E7=A9=B6=E9=99=A2/=E6=9C=89= =E7=BA=BF=E4=BA=A7=E5=93=81=E7=BB=8F=E8=90=A5=E9=83=A8 Packet Nanjing Softw= are Development Dept. > I/Wireline Product Operation Division > > > > =E5=8D=97=E4=BA=AC=E5=B8=82=E9=9B=A8=E8=8A=B1=E5=8F=B0=E5=8C=BA=E7=B4=AB= =E8=8D=86=E8=8A=B1=E8=B7=AF68=E5=8F=B7=E4=B8=AD=E5=85=B4=E9=80=9A=E8=AE=AF= =E5=8D=97=E4=BA=AC=E7=A0=94=E5=8F=91=E4=B8=AD=E5=BF=83=E4=B8=80=E6=9C=9F > T: +86 755 xxxxxxxx F:+86 755 xxxxxxxx > M: +86 18105183663 > E: guo.jun2@zte.com.cn > www.zte.com.cn > =E5=8E=9F=E5=A7=8B=E9=82=AE=E4=BB=B6 > *=E5=8F=91=E4=BB=B6=E4=BA=BA=EF=BC=9A*TommyPauly > *=E6=94=B6=E4=BB=B6=E4=BA=BA=EF=BC=9A*IETF IPPM WG ; > *=E6=8A=84=E9=80=81=E4=BA=BA=EF=BC=9A*draft-mirsky-ippm-stamp-option-tlv@= ietf.org < > draft-mirsky-ippm-stamp-option-tlv@ietf.org>; > *=E6=97=A5 =E6=9C=9F =EF=BC=9A*2019=E5=B9=B407=E6=9C=8809=E6=97=A5 06:53 > *=E4=B8=BB =E9=A2=98 =EF=BC=9A**[ippm] Adoption call for draft-mirsky-ipp= m-stamp-option-tlv* > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm > > Hello IPPM, > > This message begins an adoption call for > draft-mirsky-ippm-stamp-option-tlv, "Simple Two-way Active Measurement > Protocol Optional Extensions=E2=80=9D. The document has been discussed on= the list > recently, with good input and reviews from the group. We=E2=80=99d like t= o get the > working group=E2=80=99s input on if this document should be adopted and w= orked on > by the group. > > The current status and text of the document can be found here: > > https://datatracker.ietf.org/doc/draft-mirsky-ippm-stamp-option-tlv/ > https://tools.ietf.org/html/draft-mirsky-ippm-stamp-option-tlv-05 > > Please respond to this email by *Tuesday, July 23* to indicate whether or > not you think IPPM should adopt and work on the extensions and extension > mechanism described in this draft. > > Best, > Tommy (as IPPM co-chair) > > > --=20 -- *Henrik Nydell* *Sr Product Manager* 1.866.685.8181 hnydell@accedian.com *accedian.com * --=20 Avis de confidentialit=C3=A9 Les informations contenues dans le pr=C3=A9sent=20 message et dans toute pi=C3=A8ce qui=20 lui est jointe sont confidentielles et=20 peuvent =C3=AAtre prot=C3=A9g=C3=A9es par le=20 secret professionnel. Ces informations sont=20 =C3=A0 l=E2=80=99usage exclusif de son ou de ses destinataires. Si vous recevez ce=20 message par erreur, veuillez=20 s=E2=80=99il vous plait communiquer imm=C3=A9diatement=20 avec l=E2=80=99exp=C3=A9diteur et en=20 d=C3=A9truire tout exemplaire. De plus, il vous est=20 strictement interdit de=20 le divulguer, de le distribuer ou de le reproduire=20 sans l=E2=80=99autorisation=20 de l=E2=80=99exp=C3=A9diteur. Merci. Confidentiality notice This e-mail message and any attachment hereto contain confidential=20 information=20 which may be privileged and which is intended for the=20 exclusive use of its=20 addressee(s). If you receive this message in error, please inform sender=20 immediately and destroy any copy thereof.=20 Furthermore, any disclosure,=20 distribution or copying of this message=20 and/or any attachment hereto=20 without the consent of the sender is=20 strictly prohibited. Thank you. --000000000000c3213a058d3deb37 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Yes, support as co-author

Cheers
<= div>Henrik

On Tue, Jul 9, 2019 at 1:23 PM <guo.jun2@zte.com.cn> wrote:

I supp= ort WG adoption of this draft.



<= p style=3D"font-size:14px;font-family:arial">


=E9=83= =AD=E4=BF=8A guojun


=E8=BD=AF=E4=BB=B6=E5=BC=80=E5=8F=91=E5=B7=A5=E7=A8= =8B=E5=B8=88=C2=A0=C2=A0Development Engineer
=E5=88=86=E7=BB=84=E5=8D=97=E4=BA=AC=E8=BD=AF=E4=BB=B6=E5=BC=80=E5=8F= =91=E4=B8=80=E9=83=A8/=E6=9C=89=E7=BA=BF=E7=A0=94=E7=A9=B6=E9=99=A2/=E6=9C= =89=E7=BA=BF=E4=BA=A7=E5=93=81=E7=BB=8F=E8=90=A5=E9=83=A8 Packet Nanjing Software D= evelopment Dept. I/Wireline Product Operation Division=



=E5= =8D=97=E4=BA=AC=E5=B8=82=E9=9B=A8=E8=8A=B1=E5=8F=B0=E5=8C=BA=E7=B4=AB=E8=8D= =86=E8=8A=B1=E8=B7=AF68=E5=8F=B7=E4=B8=AD=E5=85=B4=E9=80=9A=E8=AE=AF=E5=8D= =97=E4=BA=AC=E7=A0=94=E5=8F=91=E4=B8=AD=E5=BF=83=E4=B8=80=E6=9C=9F
T<= /span>: +86 755 xxxxxxxx F:+86 755 xxxxxxxx M: +86 = 18105183663
E: gu= o.jun2@zte.com.cn
www.zte.com.cn
=
=E5=8E=9F=E5=A7=8B=E9=82=AE=E4=BB=B6
=E5=8F=91=E4=BB= =B6=E4=BA=BA=EF=BC=9ATommyPauly <tpauly=3D40apple.com@dmarc.ietf.org>
=E6=94=B6=E4=BB=B6=E4=BA=BA=EF=BC=9AIETF IPPM WG = <ippm@ietf.org>= ;;
= =E6=97=A5 =E6=9C=9F =EF=BC=9A2019=E5=B9=B407=E6=9C=8809=E6= =97=A5 06:53
=E4=B8=BB =E9=A2=98 =EF=BC=9A[ippm] Adopt= ion call for draft-mirsky-ippm-stamp-option-tlv
=
____________= ___________________________________
ippm=C2=A0mailing=C2=A0list
ippm@ietf.org
https://w= ww.ietf.org/mailman/listinfo/ippm

Hello IPPM,

This message begins an adoption call for draft-mirsky-ippm-stamp-option-tl= v, "Simple Two-way Active Measurement Protocol Optional Extensions=E2= =80=9D. The document has been discussed on the list recently, with good inp= ut and reviews from the group. We=E2=80=99d like to get the working group= =E2=80=99s input on if this document should be adopted and worked on by the= group.

The current status and text of the document can be fo= und here:

https://tools.ietf.org/html/draft-mirsky-ippm-stamp-option-tlv-05
Please respond to this email by Tuesday, July 23=C2=A0to indicate whether or not you think IPPM should adopt and work on t= he extensions and extension mechanism described in this draft.

Best,
Tommy (as IPPM co-chair)




-- <= br>
--
Henrik Nydell=
Sr Product Manager
1.866.685.8181
hnydell@accedian.= com
3D""
=3D""=C2=A03D""=C2=A03D""
3D""
accedian.com=

Avis de confidentialit=C3=A9

Les informations contenues dans le pr=C3=A9sent message et dans toute pi=C3=A8= ce qui=20 lui est jointe sont confidentielles et peuvent =C3=AAtre prot=C3=A9g=C3=A9e= s par le=20 secret professionnel. Ces informations sont =C3=A0 l=E2=80=99usage exclusif= de son ou de ses destinataires. Si vous recevez ce message par erreur, veuillez=20 s=E2=80=99il vous plait communiquer imm=C3=A9diatement avec l=E2=80=99exp= =C3=A9diteur et en=20 d=C3=A9truire tout exemplaire. De plus, il vous est strictement interdit de= =20 le divulguer, de le distribuer ou de le reproduire sans l=E2=80=99autorisat= ion=20 de l=E2=80=99exp=C3=A9diteur. Merci.

Confidentiality notice

This e-mail message and any attachment hereto contain confidential=20 information which may be privileged and which is intended for the=20 exclusive use of its addressee(s). If you receive this message in error, please inform sender immediately and destroy any copy thereof.=20 Furthermore, any disclosure, distribution or copying of this message=20 and/or any attachment hereto without the consent of the sender is=20 strictly prohibited. Thank you.

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<11938018-8A65-483B-8176-A6E1C2A265A3@kuehlewind.net> In-Reply-To: From: Rakesh Gandhi Date: Tue, 9 Jul 2019 09:11:39 -0400 Message-ID: To: Greg Mirsky Cc: Shahram Davari , draft-ietf-ippm-stamp@ietf.org, IPPM Chairs , Mirja Kuehlewind , IETF IPPM WG Content-Type: multipart/alternative; boundary="000000000000cbe96c058d3f4de2" Archived-At: Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2019 13:11:57 -0000 --000000000000cbe96c058d3f4de2 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Thanks Greg for the reply. In this case, should the draft just state that the Session-Sender can select destination UDP port number following the guidelines specified in [RFC6335], instead of specifying following? Thus STAMP Session-Sender MUST be able to send test packets to destination UDP port number from the Dynamic and/or Private Ports range 49152-65535, test management system should find a port number that both devices can use. Thanks, Rakesh On Mon, Jul 8, 2019 at 10:07 PM Greg Mirsky wrote: > Hi Rakesh, > thank you for your question. In my experience, some implementations of > TWAMP-Light have taken the liberty to allow using UDP port numbers outsid= e > the Dynamic/Private range. I believe that is not the right decision. In t= he > note of IANA's Service Name and Transport Protocol Port Number Registry w= e > read: > > Service names and port numbers are used to distinguish between different > services that run over transport protocols such as TCP, UDP, DCCP, and > SCTP. > > Service names are assigned on a first-come, first-served process, as > documented in [RFC6335]. > > Port numbers are assigned in various ways, based on three ranges: System > Ports (0-1023), User Ports (1024-49151), and the Dynamic and/or Private > Ports (49152-65535); the difference uses of these ranges is described in > [RFC6335]. According to Section 8.1.2 of [RFC6335], System Ports are > assigned by the "IETF Review" or "IESG Approval" procedures described in > [RFC8126]. User Ports are assigned by IANA using the "IETF Review" > process, > the "IESG Approval" process, or the "Expert Review" process, as per > [RFC6335]. Dynamic Ports are not assigned. > > The registration procedures for service names and port numbers are > described in [RFC6335]. > > Assigned ports both System and User ports SHOULD NOT be used without > or prior to IANA registration. > > My interpretation is that ports in System and User ranges, even if not ye= t > assigned, must not be used without following the assignment process. Thus= , > regardless of whether a number had not yet been assigned to a service, it > must not be used as the destination UDP port number. Also, consider > operational issues if a new service is assigned a new port number from th= e > User Ports range. One day the number was "free" and tomorrow it may be > assigned. Handling such a scenario will add complexity while benefits are= , > in my opinion, questionable. > > Regards, > Greg > > On Mon, Jul 8, 2019 at 5:09 PM Rakesh Gandhi > wrote: > >> Hi Greg, >> >> Why limit the UDP port range to 49152-65535? Any free UDP port can be >> used, no? >> >> Thanks, >> Rakesh >> >> >> On Mon, Jul 8, 2019 at 7:20 PM Greg Mirsky wrote= : >> >>> Hi Shahram, >>> thank you for the review and questions. Please find my answers below >>> tagged GIM>>. >>> >>> Regards, >>> Greg >>> >>> On Mon, Jul 8, 2019 at 2:02 PM Shahram Davari < >>> shahram.davari@broadcom.com> wrote: >>> >>>> HI Greg >>>> >>>> I read your draft and have the following questions: >>>> >>>> 1) Does it require any UDP/TCP port number or it reuses the one from >>>> TWAMP? if it reuses from TWAMP then how does the receiver differentia= te >>>> between TWAMP and STAMP? >>>> >>> GIM>> STAMP uses the well-known UDP port number allocated for the >>> OWAMP-Test/TWAMP-Test Receiver port (RFC 8545) as the default destinati= on >>> UDP port number.. STAMP may use destination UDP port number from the >>> Dynamic and/or Private Ports range 49152-65535. >>> >>>> 2) What is the benefit of STAMO compared to TWAMP? >>>> >>> GIM>> The work was driven by several observations, among them: >>> >>> - challenges in achieving interoperability among implementations of >>> TWAMP-Light; >>> - industry interest in standardizing performance monitoring in IP >>> broadband access networks (TR-390); >>> - improve extensibility of IP performance monitoring tool to support >>> measurements, testing of new metrics and parameters, e.g., consisten= cy of >>> CoS in the network. >>> >>> 3) Why is there so much MBZ byte? >>>> >>> GIM>> It was agreed to make the symmetrical size of STAMP test packets >>> the default. RFC 6038 defined it for TWAMP and TR-390 requires it to be >>> supported by TWAMP-Light implementations. >>> >>>> >>>> Thx >>>> Shahram >>>> >>>> On Jul 8, 2019, at 10:17 AM, Greg Mirsky wrote= : >>>> >>>> Hi Mirja, >>>> thank you for the suggested text. The new paragraph now reads as: >>>> Load of STAMP test packets offered to a network MUST be carefull= y >>>> estimated, and the possible impact on the existing services MUST >>>> be thoroughly analyzed before launching the test session. >>>> [RFC8085] section 3.1.5 provides guidance on handling network lo= ad >>>> for UDP-based protocol. While the characteristic of test traffi= c >>>> depends on the test objective, it is highly recommended to stay = in >>>> the limits as provided in [RFC8085]. >>>> >>>> If it is acceptable, I'd like to upload the updated version of >>>> draft-ieff-ippm-stamp before the cut-off deadline. >>>> >>>> Regards, >>>> Greg >>>> >>>> On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind >>>> wrote: >>>> >>>>> Hi Greg, >>>>> >>>>> See below. >>>>> >>>>> > On 8. Jul 2019, at 16:54, Greg Mirsky wrote= : >>>>> > >>>>> > Hi Mirja, >>>>> > thank you for the reference to RFC 8085. I agree that the document >>>>> is very much relevant and a reference to RFC 8085 in STAMP is useful.= While >>>>> reading Section 3.1.3 I came to think that the discussion and guidanc= e in >>>>> other sections of RFC 8085, particularly, Section 3.1.5 Implications = of RTT >>>>> and Loss Measurements on Congestion Control. Would adding the referen= ce to >>>>> that section in the new text proposed for the Security Considerations >>>>> section work? I'll put RFC 8085 as Informational reference as it is B= CP. >>>>> > NEW TEXT: >>>>> > Load of STAMP test packets offered to a network MUST be >>>>> carefully >>>>> > estimated, and the possible impact on the existing services >>>>> MUST >>>>> > be thoroughly analyzed using [RFC8085] and its Section 3.1.5 = in >>>>> > particular before launching the test session... >>>>> >>>>> >>>>> Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise f= ine for me. Or >>>>> you could have a separate sentence like: >>>>> >>>>> =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network = load for >>>>> UDP-based protocol. While the characteristic of test traffic depends = on the >>>>> test objective, it is highly recommended to say in the limits as prov= ided >>>>> in RFC8085.=E2=80=9D >>>>> >>>>> Or something similar=E2=80=A6 >>>>> >>>>> BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a dow= nref. >>>>> However, I think having this as informational ref is fine. >>>>> >>>>> Mirja >>>>> >>>>> >>>>> >>>>> > >>>>> > Regards, >>>>> > Greg >>>>> > >>>>> > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind >>>>> wrote: >>>>> > Hi Greg, >>>>> > >>>>> > Thanks a lot for you reply. Changes are good. I wonder if it would >>>>> be useful to provide a reference to RFC8085 because it has a lot of >>>>> information about congestion control of UDP based traffic? It recomme= nds to >>>>> send not more than 1 packet per 3 seconds (if RTT is unknown). I gues= s it >>>>> doesn=E2=80=99t make sense to require this for testing traffic, howev= er, it could >>>>> maybe still be a good recommendation? What do you think? >>>>> > >>>>> > Also I=E2=80=99ve just resend my review to the IPPM list, as I unfo= rtunately >>>>> cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can you= resend you >>>>> proposed changes to the list, so other people are aware of these chan= ges. >>>>> Sorry for the unconvience. >>>>> > >>>>> > Mirja >>>>> > >>>>> > >>>>> > > On 6. Jul 2019, at 17:46, Greg Mirsky >>>>> wrote: >>>>> > > >>>>> > > Hi Mirja, >>>>> > > thank you for your thorough review, very pointed and helpful >>>>> comments. Please find my responses in-lined and tagged GIM>>. Attache= d the >>>>> diff. >>>>> > > >>>>> > > Regards, >>>>> > > Greg >>>>> > > >>>>> > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind < >>>>> ietf@kuehlewind.net> wrote: >>>>> > > Hi authors, hi all, >>>>> > > >>>>> > > Thanks for this well-written document and very good shepherd >>>>> write-up! I would like discuss one point before I start IETF last cal= l. >>>>> > > >>>>> > > I believe this document should say something about network load >>>>> and congestion (control). OWAMP and TWAMP discuss quite a bit sender >>>>> scheduling, however, as this is a simplified version, so I think it c= ould >>>>> at least be good to put a waring in this document that packet sending >>>>> should be somehow rate limited. I know it might be hard to provide mo= re >>>>> concrete guidance but at least having some discussion or warning in t= his >>>>> document could be good. >>>>> > > GIM>> Thank you for your suggestion. Security Considerations >>>>> section points to the fact that STAMP does not include control and >>>>> management components: >>>>> > > Because of the control >>>>> > > and management of a STAMP test being outside the scope of this >>>>> > > specification only the more general requirement is set: >>>>> > > adding the new text here: >>>>> > > Load of STAMP test packets offered to a network MUST be >>>>> carefully >>>>> > > estimated, and the possible impact on the existing services >>>>> MUST >>>>> > > be thoroughly analyzed before launching the test session. >>>>> > > >>>>> > > >>>>> > > Another comment: You only say at the very end that a certain UDP >>>>> port is used, which implies that STAMP runs over UDP. However, I thin= k you >>>>> should mention at the very beginning that this is a UDP-based protoco= l. >>>>> Just to make things crystal clear. >>>>> > > GIM>> Adding the reference to "UDP transport" into the first >>>>> sentence of Theory of Operations section: >>>>> > > STAMP Session-Sender transmits test packets over UDP transport >>>>> toward STAMP Session-Reflector. >>>>> > > >>>>> > > Mirja >>>>> > > >>>>> > > P.S.: >>>>> > > Nit: s/This document defines active performance measurement test >>>>> protocol/ This document defines an active performance measurement tes= t >>>>> protocol/ >>>>> > > -> =E2=80=9Can=E2=80=9D missing >>>>> > > GIM>> Thank you. Done. >>>>> > > >>>> draft-ietf-ippm-stamp-07...txt.html> >>>>> > >>>>> >>>>> _______________________________________________ >>>> ippm mailing list >>>> ippm@ietf.org >>>> https://www.ietf.org/mailman/listinfo/ippm >>>> >>>> >>>> _______________________________________________ >>> ippm mailing list >>> ippm@ietf.org >>> https://www.ietf.org/mailman/listinfo/ippm >>> >> --000000000000cbe96c058d3f4de2 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Thanks Greg for the reply.

I= n this case, should the draft just state that the Session-Sender can select= destination UDP port number following the guidelines specified in [RFC6335= ], instead of specifying following?
Thus STAMP Session-Sender MUST be able to send test
   packets to destination UDP port number from the Dynamic and/or
   Private Ports range 49152-65535, test management system should find a
   port number that both devices can use.  

Thanks,
Rakesh

On Mon, Jul 8, 2019 at 10:07 PM Greg Mirsky <gregimirsky@gmail.com> wrote:
Hi Rakesh,
than= k you for your question. In my experience, some implementations of TWAMP-Li= ght have taken the liberty to allow using UDP port numbers outside the Dyna= mic/Private range. I believe that is not the right decision. In the note of= IANA's Service Name and Transport Protocol Port Number Registry we rea= d:

=C2=A0Service names and port numbers are used t= o distinguish between different
=C2=A0services that run over transport p= rotocols such as TCP, UDP, DCCP, and
=C2=A0SCTP.

=C2=A0Service na= mes are assigned on a first-come, first-served process, as
=C2=A0documen= ted in [RFC6335].

=C2=A0Port numbers are assigned in various ways, b= ased on three ranges: System
=C2=A0Ports (0-1023), User Ports (1024-4915= 1), and the Dynamic and/or Private
=C2=A0Ports (49152-65535); the differ= ence uses of these ranges is described in
=C2=A0[RFC6335]. According to = Section 8.1.2 of [RFC6335], System Ports are
=C2=A0assigned by the "= ;IETF Review" or "IESG Approval" procedures described in
= =C2=A0[RFC8126]. User Ports are assigned by IANA using the "IETF Revie= w" process,
=C2=A0the "IESG Approval" process, or the &qu= ot;Expert Review" process, as per
=C2=A0[RFC6335]. Dynamic Ports ar= e not assigned.

=C2=A0The registration procedures for service names = and port numbers are
=C2=A0described in [RFC6335].

=C2=A0Assigned= ports both System and User ports SHOULD NOT be used without
=C2=A0or pr= ior to IANA registration.

My interpretation is= that ports in System and User ranges, even if not yet assigned, must not b= e used without following the assignment process. Thus, regardless of whethe= r a number had not yet been assigned to a service, it must not be used as t= he destination UDP port number. Also, consider operational issues if a new = service is assigned a new port number from the User Ports range. One day th= e number was "free" and tomorrow it may be assigned. Handling suc= h a scenario will add complexity while benefits are, in my opinion, questio= nable.

Regards,
Greg

On Mon, Jul 8,= 2019 at 5:09 PM Rakesh Gandhi <rgandhi.ietf@gmail.com> wrote:
Hi Greg,

Why limit the UDP port range to 49152-65535? Any fre= e UDP port can be used, no?

Thanks,
Rake= sh


On Mon, Jul 8, 2019 at 7:20 PM Greg Mirsky <gregimirsky@gmail.com&g= t; wrote:
Hi Shahram,
thank you for the review and qu= estions. Please find my answers below tagged GIM>>.

Regards,
Greg

<= div dir=3D"ltr" class=3D"gmail_attr">On Mon, Jul 8, 2019 at 2:02 PM Shahram= Davari <shahram.davari@broadcom.com> wrote:
HI Greg

I read your dr= aft and have the following questions:

1) Does it r= equire any UDP/TCP port number or it reuses the one from TWAMP? if it reuse= s from TWAMP then =C2=A0how does the receiver differentiate between TWAMP a= nd STAMP?
GIM>> STAMP uses the well-know= n UDP port number allocated for the OWAMP-Test/TWAMP-Test Receiver port (RF= C 8545) as the default destination UDP port number.. STAMP may use destinat= ion UDP port number from the Dynamic and/or Private Ports range 49152-65535= .
2) What = is the benefit of STAMO compared to TWAMP?
GIM= >> The work was driven by several observations, among them:
  • challenges in achieving interoperability among implementations of = TWAMP-Light;
  • industry interest in standardizing performance monitor= ing in IP broadband access networks (TR-390);
  • improve extensibility= of IP performance monitoring tool to support measurements, testing of new = metrics and parameters, e.g., consistency of CoS in the network.=C2=A0
    • =
3) W= hy is there so much MBZ byte?
GIM>> It w= as agreed to make the symmetrical size of STAMP test packets the default. R= FC 6038 defined it for TWAMP and TR-390 requires it to be supported by TWAM= P-Light implementations.

Thx
Shahram

On Jul 8, 2019, at 10:17 AM, Greg Mirsky <gregimirsky@gmail.com&= gt; wrote:

Hi Mirja,
thank you for the sugge= sted text. The new paragraph now reads as:
=C2=A0 =C2=A0 =C2=A0 L= oad of STAMP test packets offered to a network MUST be carefully
=C2=A0 = =C2=A0 =C2=A0 estimated, and the possible impact on the existing services M= UST
=C2=A0 =C2=A0 =C2=A0 be thoroughly analyzed before launching the tes= t session.
=C2=A0 =C2=A0 =C2=A0 [RFC8085] section 3.1.5 provides guidanc= e on handling network load
=C2=A0 =C2=A0 =C2=A0 for UDP-based protocol.= =C2=A0 While the characteristic of test traffic
=C2=A0 =C2=A0 =C2=A0 dep= ends on the test objective, it is highly recommended to stay in
=C2=A0 = =C2=A0 =C2=A0 the limits as provided in [RFC8085].

=
If it is acceptable, I'd like to upload the updated version of dra= ft-ieff-ippm-stamp before the cut-off deadline.

Re= gards,
Greg

On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind = <ietf@kuehlewin= d.net> wrote:
Hi Greg,

See below.

> On 8. Jul 2019, at 16:54, Greg Mirsky <gregimirsky@gmail.com> wrote:
>
> Hi Mirja,
> thank you for the reference to RFC 8085. I agree that the document is = very much relevant and a reference to RFC 8085 in STAMP is useful. While re= ading Section 3.1.3 I came to think that the discussion and guidance in oth= er sections of RFC 8085, particularly, Section 3.1.5 Implications of RTT an= d Loss Measurements on Congestion Control. Would adding the reference to th= at section in the new text proposed for the Security Considerations section= work? I'll put RFC 8085 as Informational reference as it is BCP.
> NEW TEXT:
>=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a netw= ork MUST be carefully
>=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on the ex= isting services MUST
>=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed using [RFC8085] and i= ts Section 3.1.5 in
>=C2=A0 =C2=A0 =C2=A0 =C2=A0particular before launching the test session= ...


Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fine fo= r me. Or you could have a separate sentence like:

=E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network load f= or UDP-based protocol. While the characteristic of test traffic depends on = the test objective, it is highly recommended to say in the limits as provid= ed in RFC8085.=E2=80=9D

Or something similar=E2=80=A6

BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a downref. = However, I think having this as informational ref is fine.

Mirja



>
> Regards,
> Greg
>
> On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote: > Hi Greg,
>
> Thanks a lot for you reply. Changes are good. I wonder if it would be = useful to provide a reference to RFC8085 because it has a lot of informatio= n about congestion control of UDP based traffic? It recommends to send not = more than 1 packet per 3 seconds (if RTT is unknown). I guess it doesn=E2= =80=99t make sense to require this for testing traffic, however, it could m= aybe still be a good recommendation? What do you think?
>
> Also I=E2=80=99ve just resend my review to the IPPM list, as I unfortu= nately cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can yo= u resend you proposed changes to the list, so other people are aware of the= se changes. Sorry for the unconvience.
>
> Mirja
>
>
> > On 6. Jul 2019, at 17:46, Greg Mirsky <gregimirsky@gmail.com> wrote: > >
> > Hi Mirja,
> > thank you for your thorough review, very pointed and helpful comm= ents. Please find my responses in-lined and tagged GIM>>. Attached th= e diff.
> >
> > Regards,
> > Greg
> >
> > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind <ietf@kuehlewind.net> wro= te:
> > Hi authors, hi all,
> >
> > Thanks for this well-written document and very good shepherd writ= e-up! I would like discuss one point before I start IETF last call.
> >
> > I believe this document should say something about network load a= nd congestion (control). OWAMP and TWAMP discuss quite a bit sender schedul= ing, however, as this is a simplified version, so I think it could at least= be good to put a waring in this document that packet sending should be som= ehow rate limited. I know it might be hard to provide more concrete guidanc= e but at least having some discussion or warning in this document could be = good.
> > GIM>>=C2=A0 Thank you for your suggestion. Security Conside= rations section points to the fact that STAMP does not include control and = management components:
> >=C2=A0 =C2=A0 Because of the control
> >=C2=A0 =C2=A0 and management of a STAMP test being outside the sco= pe of this
> >=C2=A0 =C2=A0 specification only the more general requirement is s= et:
> > adding the new text here:
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a= network MUST be carefully
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on t= he existing services MUST
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed before launching= the test session.
> >
> >
> > Another comment: You only say at the very end that a certain UDP = port is used, which implies that STAMP runs over UDP. However, I think you = should mention at the very beginning that this is a UDP-based protocol. Jus= t to make things crystal clear.
> > GIM>> Adding the reference to "UDP transport" int= o the first sentence of Theory of=C2=A0 Operations section:
> >=C2=A0 =C2=A0 STAMP Session-Sender transmits test packets over UDP= transport toward STAMP Session-Reflector.
> >
> > Mirja
> >
> > P.S.:
> > Nit: s/This document defines active performance measurement test = protocol/ This document defines an active performance measurement test prot= ocol/
> > -> =E2=80=9Can=E2=80=9D missing
> > GIM>> Thank you. Done.
> > <Diff_ draft-ietf-ippm-stamp-06.txt - draft-ietf-ippm-stamp-07= ...txt.html>
>

_______________________________________________
ippm mailing list
ippm@ietf.org
https://= www.ietf.org/mailman/listinfo/ippm

_______________________________________________
ippm mailing list
ippm@ietf.org
https://www.ietf.org/mailman/listinfo/ippm
--000000000000cbe96c058d3f4de2-- From nobody Tue Jul 9 06:27:48 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D928912015B; Tue, 9 Jul 2019 06:27:46 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.702 X-Spam-Level: X-Spam-Status: No, score=-0.702 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, PDS_NO_HELO_DNS=1.295, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zeyKk8uEhCMe; Tue, 9 Jul 2019 06:27:44 -0700 (PDT) Received: from mail-lj1-x236.google.com (mail-lj1-x236.google.com [IPv6:2a00:1450:4864:20::236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9E6F7120157; Tue, 9 Jul 2019 06:27:43 -0700 (PDT) Received: by mail-lj1-x236.google.com with SMTP id i21so19585018ljj.3; Tue, 09 Jul 2019 06:27:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=1q0+u7ss++a5OalH25imEwCHYgB4RrqALmsM0ulszlo=; b=LrNAt4OkXzLTf+ffAX7jgZprbQ22H4RIc9x2cInouW8VRTq2lLzVL/mPHQkqyaKrrh nASGWt8mjUh0gP1zfeiM7msL9YV8WKTP08GLwkR29DSa6/ekDu9h7S2RAISLUqHPB1Fc jhVFQm6ainx7WeB/oTw+WrRtla/jev8PJgpuixLx6k9KcnAexeSb01e4HaFFLPdhHGDR M3vUX5XUV9S6sbcVGUUUwBuUvfK6cYXY9PBMINuejlE5BIcSd1sE7nWRl1iPKNOERPWz f3nLJVPltwK5IkhBmmLWWWsRvDmfb3efcGoTDhQWMAeFHDot6IvHBFq2I64US9qrm5L0 fbgw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=1q0+u7ss++a5OalH25imEwCHYgB4RrqALmsM0ulszlo=; b=sxTqjnI4EbYNUIpCEWWJfhcexlpKnwCzMNDsi9nM925oXnqTUVcW96ij5zp8MdYQ/V SoUa43YSUQHCW5osu1XecBBkrjLxIhjpkeLBYuamy4fjQOgJ9+6aE1HozPA4Z+v4zdYr TSqcKoElBsgTed3nBbhuMPKPKtcnP5GGq9Towt9raiX/+1yQjDGo367qXtboDPImUJEb 6dAiI9LLhH6p9UXfQBdC6yxdTMJTyrsVvJmByT/rR9ov3lPKfYome4FjK5I5T94FeUuz zHmj8g/gpqBQFBsqFnQuJS9lbXEkLmJG9+tqIgcI1Wnw9WVKTiOn0lEqP+9Q4ezykvEa byAg== X-Gm-Message-State: APjAAAW3QQSOawFBM/Um+4aluwHWMXbbt6cWG1+VWLd8+5+71q4ZHyp9 7BuuvV3c+ToMBIsjS6q1HeSzQBLQDPW+lKLtoA== X-Google-Smtp-Source: APXvYqyyMYuxUcypFIue1AjQ7GRE3ZyF17XQbA4W+gcXsbzB2CknjvV/WLuRkyRF6lM3y2Yiw4nZtakxrj+7T2bRAdw= X-Received: by 2002:a2e:9b83:: with SMTP id z3mr10317849lji.84.1562678861685; Tue, 09 Jul 2019 06:27:41 -0700 (PDT) MIME-Version: 1.0 References: <11938018-8A65-483B-8176-A6E1C2A265A3@kuehlewind.net> In-Reply-To: From: Rakesh Gandhi Date: Tue, 9 Jul 2019 09:27:30 -0400 Message-ID: To: Greg Mirsky Cc: Shahram Davari , draft-ietf-ippm-stamp@ietf.org, IPPM Chairs , Mirja Kuehlewind , IETF IPPM WG Content-Type: multipart/alternative; boundary="00000000000072e7c1058d3f86b2" Archived-At: Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2019 13:27:47 -0000 --00000000000072e7c1058d3f86b2 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Greg, Regarding the size of the padding, yes, it's good to use the same size payload for query and response. However, the STAMP payload with TLV extension (draft-mirsky-ippm-stamp-option-tlv-01) has slightly different padding size (27 ( or > 29) vs. 30). Is there a way to make them compatible? Does it mean that for STAMP with TLV, Server Octets is set to 1, but it says MBZ 0 for all 30 bytes. If the responder supports Server Octets and see the size > 27, it may find the Server Octet size of 0 confusing? Thanks, Rakesh On Mon, Jul 8, 2019 at 7:20 PM Greg Mirsky wrote: > Hi Shahram, > thank you for the review and questions. Please find my answers below > tagged GIM>>. > > Regards, > Greg > > On Mon, Jul 8, 2019 at 2:02 PM Shahram Davari > wrote: > >> HI Greg >> >> I read your draft and have the following questions: >> >> 1) Does it require any UDP/TCP port number or it reuses the one from >> TWAMP? if it reuses from TWAMP then how does the receiver differentiate >> between TWAMP and STAMP? >> > GIM>> STAMP uses the well-known UDP port number allocated for the > OWAMP-Test/TWAMP-Test Receiver port (RFC 8545) as the default destination > UDP port number.. STAMP may use destination UDP port number from the > Dynamic and/or Private Ports range 49152-65535. > >> 2) What is the benefit of STAMO compared to TWAMP? >> > GIM>> The work was driven by several observations, among them: > > - challenges in achieving interoperability among implementations of > TWAMP-Light; > - industry interest in standardizing performance monitoring in IP > broadband access networks (TR-390); > - improve extensibility of IP performance monitoring tool to support > measurements, testing of new metrics and parameters, e.g., consistency= of > CoS in the network. > > 3) Why is there so much MBZ byte? >> > GIM>> It was agreed to make the symmetrical size of STAMP test packets th= e > default. RFC 6038 defined it for TWAMP and TR-390 requires it to be > supported by TWAMP-Light implementations. > >> >> Thx >> Shahram >> >> On Jul 8, 2019, at 10:17 AM, Greg Mirsky wrote: >> >> Hi Mirja, >> thank you for the suggested text. The new paragraph now reads as: >> Load of STAMP test packets offered to a network MUST be carefully >> estimated, and the possible impact on the existing services MUST >> be thoroughly analyzed before launching the test session. >> [RFC8085] section 3.1.5 provides guidance on handling network load >> for UDP-based protocol. While the characteristic of test traffic >> depends on the test objective, it is highly recommended to stay in >> the limits as provided in [RFC8085]. >> >> If it is acceptable, I'd like to upload the updated version of >> draft-ieff-ippm-stamp before the cut-off deadline. >> >> Regards, >> Greg >> >> On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind >> wrote: >> >>> Hi Greg, >>> >>> See below. >>> >>> > On 8. Jul 2019, at 16:54, Greg Mirsky wrote: >>> > >>> > Hi Mirja, >>> > thank you for the reference to RFC 8085. I agree that the document is >>> very much relevant and a reference to RFC 8085 in STAMP is useful. Whil= e >>> reading Section 3.1.3 I came to think that the discussion and guidance = in >>> other sections of RFC 8085, particularly, Section 3.1.5 Implications of= RTT >>> and Loss Measurements on Congestion Control. Would adding the reference= to >>> that section in the new text proposed for the Security Considerations >>> section work? I'll put RFC 8085 as Informational reference as it is BCP= . >>> > NEW TEXT: >>> > Load of STAMP test packets offered to a network MUST be careful= ly >>> > estimated, and the possible impact on the existing services MUS= T >>> > be thoroughly analyzed using [RFC8085] and its Section 3.1.5 in >>> > particular before launching the test session... >>> >>> >>> Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fin= e for me. Or you >>> could have a separate sentence like: >>> >>> =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network lo= ad for >>> UDP-based protocol. While the characteristic of test traffic depends on= the >>> test objective, it is highly recommended to say in the limits as provid= ed >>> in RFC8085.=E2=80=9D >>> >>> Or something similar=E2=80=A6 >>> >>> BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a downr= ef. >>> However, I think having this as informational ref is fine. >>> >>> Mirja >>> >>> >>> >>> > >>> > Regards, >>> > Greg >>> > >>> > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind >>> wrote: >>> > Hi Greg, >>> > >>> > Thanks a lot for you reply. Changes are good. I wonder if it would be >>> useful to provide a reference to RFC8085 because it has a lot of >>> information about congestion control of UDP based traffic? It recommend= s to >>> send not more than 1 packet per 3 seconds (if RTT is unknown). I guess = it >>> doesn=E2=80=99t make sense to require this for testing traffic, however= , it could >>> maybe still be a good recommendation? What do you think? >>> > >>> > Also I=E2=80=99ve just resend my review to the IPPM list, as I unfort= unately >>> cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can you r= esend you >>> proposed changes to the list, so other people are aware of these change= s. >>> Sorry for the unconvience. >>> > >>> > Mirja >>> > >>> > >>> > > On 6. Jul 2019, at 17:46, Greg Mirsky wrote= : >>> > > >>> > > Hi Mirja, >>> > > thank you for your thorough review, very pointed and helpful >>> comments. Please find my responses in-lined and tagged GIM>>. Attached = the >>> diff. >>> > > >>> > > Regards, >>> > > Greg >>> > > >>> > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind >>> wrote: >>> > > Hi authors, hi all, >>> > > >>> > > Thanks for this well-written document and very good shepherd >>> write-up! I would like discuss one point before I start IETF last call. >>> > > >>> > > I believe this document should say something about network load and >>> congestion (control). OWAMP and TWAMP discuss quite a bit sender >>> scheduling, however, as this is a simplified version, so I think it cou= ld >>> at least be good to put a waring in this document that packet sending >>> should be somehow rate limited. I know it might be hard to provide more >>> concrete guidance but at least having some discussion or warning in thi= s >>> document could be good. >>> > > GIM>> Thank you for your suggestion. Security Considerations >>> section points to the fact that STAMP does not include control and >>> management components: >>> > > Because of the control >>> > > and management of a STAMP test being outside the scope of this >>> > > specification only the more general requirement is set: >>> > > adding the new text here: >>> > > Load of STAMP test packets offered to a network MUST be >>> carefully >>> > > estimated, and the possible impact on the existing services >>> MUST >>> > > be thoroughly analyzed before launching the test session. >>> > > >>> > > >>> > > Another comment: You only say at the very end that a certain UDP >>> port is used, which implies that STAMP runs over UDP. However, I think = you >>> should mention at the very beginning that this is a UDP-based protocol. >>> Just to make things crystal clear. >>> > > GIM>> Adding the reference to "UDP transport" into the first >>> sentence of Theory of Operations section: >>> > > STAMP Session-Sender transmits test packets over UDP transport >>> toward STAMP Session-Reflector. >>> > > >>> > > Mirja >>> > > >>> > > P.S.: >>> > > Nit: s/This document defines active performance measurement test >>> protocol/ This document defines an active performance measurement test >>> protocol/ >>> > > -> =E2=80=9Can=E2=80=9D missing >>> > > GIM>> Thank you. Done. >>> > > >> draft-ietf-ippm-stamp-07...txt.html> >>> > >>> >>> _______________________________________________ >> ippm mailing list >> ippm@ietf.org >> https://www.ietf.org/mailman/listinfo/ippm >> >> >> _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm > --00000000000072e7c1058d3f86b2 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Greg,
Regarding the size of the padding,= yes, it's good to use the same size payload for query and response.
However, the STAMP payload with TLV extension (draft-mirsky-ipp= m-stamp-option-tlv-01) has slightly different padding size (27 ( or > 29= ) vs. 30). Is there a way to make them compatible? Does it mean that for ST= AMP with TLV, Server Octets is set to 1, but it says MBZ 0 for all 30 bytes= . If the responder supports Server Octets and see the size > 27, it may = find the Server Octet size of 0 confusing?

Thanks,=
Rakesh




On Mon, Jul 8, 2019 at 7:20 PM Greg Mirsky <gregimirsky@gmail.com> wrote:
Hi Shahram,
thank you for the review and questions. Please find my ans= wers below tagged GIM>>.

Regards,
= Greg

On Mon, Jul 8, 2019 at 2:02 PM Shahram Davari <shahram.davari@broadcom.c= om> wrote:
2) What is the benefit of STAMO com= pared to TWAMP?
GIM>> The work was drive= n by several observations, among them:
  • challenges in achi= eving interoperability among implementations of TWAMP-Light;
  • indust= ry interest in standardizing performance monitoring in IP broadband access = networks (TR-390);
  • improve extensibility of IP performance monitori= ng tool to support measurements, testing of new metrics and parameters, e.g= ., consistency of CoS in the network.=C2=A0
3) Why is there so much MBZ byt= e?
GIM>> It was agreed to make the symme= trical size of STAMP test packets the default. RFC 6038 defined it for TWAM= P and TR-390 requires it to be supported by TWAMP-Light implementations.

Thx
Shahram

On Jul = 8, 2019, at 10:17 AM, Greg Mirsky <gregimirsky@gmail.com> wrote:

Hi Mirja,
thank you for the suggested t= ext. The new paragraph now reads as:
=C2=A0 =C2=A0 =C2=A0 Load of= STAMP test packets offered to a network MUST be carefully
=C2=A0 =C2=A0= =C2=A0 estimated, and the possible impact on the existing services MUST=C2=A0 =C2=A0 =C2=A0 be thoroughly analyzed before launching the test sess= ion.
=C2=A0 =C2=A0 =C2=A0 [RFC8085] section 3.1.5 provides guidance on h= andling network load
=C2=A0 =C2=A0 =C2=A0 for UDP-based protocol.=C2=A0 = While the characteristic of test traffic
=C2=A0 =C2=A0 =C2=A0 depends on= the test objective, it is highly recommended to stay in
=C2=A0 =C2=A0 = =C2=A0 the limits as provided in [RFC8085].

If= it is acceptable, I'd like to upload the updated version of draft-ieff= -ippm-stamp before the cut-off deadline.

Regards,<= /div>
Greg

On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote:
Hi= Greg,

See below.

> On 8. Jul 2019, at 16:54, Greg Mirsky <gregimirsky@gmail.com> wrote:
>
> Hi Mirja,
> thank you for the reference to RFC 8085. I agree that the document is = very much relevant and a reference to RFC 8085 in STAMP is useful. While re= ading Section 3.1.3 I came to think that the discussion and guidance in oth= er sections of RFC 8085, particularly, Section 3.1.5 Implications of RTT an= d Loss Measurements on Congestion Control. Would adding the reference to th= at section in the new text proposed for the Security Considerations section= work? I'll put RFC 8085 as Informational reference as it is BCP.
> NEW TEXT:
>=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a netw= ork MUST be carefully
>=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on the ex= isting services MUST
>=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed using [RFC8085] and i= ts Section 3.1.5 in
>=C2=A0 =C2=A0 =C2=A0 =C2=A0particular before launching the test session= ...


Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fine fo= r me. Or you could have a separate sentence like:

=E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network load f= or UDP-based protocol. While the characteristic of test traffic depends on = the test objective, it is highly recommended to say in the limits as provid= ed in RFC8085.=E2=80=9D

Or something similar=E2=80=A6

BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a downref. = However, I think having this as informational ref is fine.

Mirja



>
> Regards,
> Greg
>
> On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote: > Hi Greg,
>
> Thanks a lot for you reply. Changes are good. I wonder if it would be = useful to provide a reference to RFC8085 because it has a lot of informatio= n about congestion control of UDP based traffic? It recommends to send not = more than 1 packet per 3 seconds (if RTT is unknown). I guess it doesn=E2= =80=99t make sense to require this for testing traffic, however, it could m= aybe still be a good recommendation? What do you think?
>
> Also I=E2=80=99ve just resend my review to the IPPM list, as I unfortu= nately cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can yo= u resend you proposed changes to the list, so other people are aware of the= se changes. Sorry for the unconvience.
>
> Mirja
>
>
> > On 6. Jul 2019, at 17:46, Greg Mirsky <gregimirsky@gmail.com> wrote: > >
> > Hi Mirja,
> > thank you for your thorough review, very pointed and helpful comm= ents. Please find my responses in-lined and tagged GIM>>. Attached th= e diff.
> >
> > Regards,
> > Greg
> >
> > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind <ietf@kuehlewind.net> wro= te:
> > Hi authors, hi all,
> >
> > Thanks for this well-written document and very good shepherd writ= e-up! I would like discuss one point before I start IETF last call.
> >
> > I believe this document should say something about network load a= nd congestion (control). OWAMP and TWAMP discuss quite a bit sender schedul= ing, however, as this is a simplified version, so I think it could at least= be good to put a waring in this document that packet sending should be som= ehow rate limited. I know it might be hard to provide more concrete guidanc= e but at least having some discussion or warning in this document could be = good.
> > GIM>>=C2=A0 Thank you for your suggestion. Security Conside= rations section points to the fact that STAMP does not include control and = management components:
> >=C2=A0 =C2=A0 Because of the control
> >=C2=A0 =C2=A0 and management of a STAMP test being outside the sco= pe of this
> >=C2=A0 =C2=A0 specification only the more general requirement is s= et:
> > adding the new text here:
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a= network MUST be carefully
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on t= he existing services MUST
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed before launching= the test session.
> >
> >
> > Another comment: You only say at the very end that a certain UDP = port is used, which implies that STAMP runs over UDP. However, I think you = should mention at the very beginning that this is a UDP-based protocol. Jus= t to make things crystal clear.
> > GIM>> Adding the reference to "UDP transport" int= o the first sentence of Theory of=C2=A0 Operations section:
> >=C2=A0 =C2=A0 STAMP Session-Sender transmits test packets over UDP= transport toward STAMP Session-Reflector.
> >
> > Mirja
> >
> > P.S.:
> > Nit: s/This document defines active performance measurement test = protocol/ This document defines an active performance measurement test prot= ocol/
> > -> =E2=80=9Can=E2=80=9D missing
> > GIM>> Thank you. Done.
> > <Diff_ draft-ietf-ippm-stamp-06.txt - draft-ietf-ippm-stamp-07= ...txt.html>
>

_______________________________________________
ippm mailing list
ippm@ietf.org
https://= www.ietf.org/mailman/listinfo/ippm

_______________________________________________
ippm mailing list
ippm@ietf.org
https://www.ietf.org/mailman/listinfo/ippm
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Dear All,
yes/support adoption of the draft (as co-aut= hor).

Regards,
Greg

On Mon, Jul 8, = 2019 at 3:48 PM Tommy Pauly <tpauly@= apple.com> wrote:
Hello IPPM,
=

This message begins an adoption call for draft-mirsky-i= ppm-stamp-option-tlv, "Simple Two-way Active Measurement Protocol Opti= onal Extensions=E2=80=9D. The document has been discussed on the list recen= tly, with good input and reviews from the group. We=E2=80=99d like to get t= he working group=E2=80=99s input on if this document should be adopted and = worked on by the group.

The current status and tex= t of the document can be found here:


Please respond= to this email by Tuesday, July 23=C2=A0to indicate whether or not y= ou think IPPM should adopt and work on the extensions and extension mechani= sm described in this draft.

Best,
Tommy (as IPP= M co-chair)
--000000000000c545c0058d40cacb-- From nobody Tue Jul 9 09:53:34 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2AB781207DE for ; Tue, 9 Jul 2019 09:53:33 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.704 X-Spam-Level: X-Spam-Status: No, score=-0.704 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, PDS_NO_HELO_DNS=1.295, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=broadcom.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CAAlKIGJK4Pi for ; Tue, 9 Jul 2019 09:53:30 -0700 (PDT) Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 518B21207DD for ; Tue, 9 Jul 2019 09:53:28 -0700 (PDT) Received: by mail-pf1-x430.google.com with SMTP id c73so4920827pfb.13 for ; Tue, 09 Jul 2019 09:53:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:message-id:mime-version:subject:date:in-reply-to:cc:to :references; bh=ngbT6LlXf6sZIUZjxFDcV5iCpKyee8eNfFNdzuNZ1qE=; b=JVwoDxf91/VA8UOxAqy4LZrLnZQDodnw/QMEE+r6X6EDI+WVlnjwEiU3594EtD9r7g l+2ys/1h68XFrSbLuNOi1na9CdHzxwm8KKuFNXWnd/TltJYojIBmN8oCqvHQk8xEWXwE lChzKAwg/enxFejbcyYo1y3+2WacrnN0l/VE4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:message-id:mime-version:subject:date :in-reply-to:cc:to:references; bh=ngbT6LlXf6sZIUZjxFDcV5iCpKyee8eNfFNdzuNZ1qE=; b=gri8GRqeX78smd8ZdyVMg3sE/w/0jIZL5HvLR+aGDjBrATVE3cD/6GwaZlPS6LAmM/ zmdHMDMyOlTktpMq6uX6sBDHhyuLr524wBh7kwO9Nu78p85xBwIcmnOC3Qu3X4o3p9jx jVCNE/B725PUhXtw/DTl3HlJ9pO3JlIcsEJ/opxVTnVIhTuUKRBPTkCmO48D0PSuLvAJ 45ChzcURcebui+ZTj33x8kbgh5Sz2k5T1fdeDxkltfugQy9KUuwMsiNkkWspc87fNvvC TO+y5GVN09Crf3BbZrJiO74KXK5TWQXbDIuhsVTFktr2NVj5wOiIka0+0uPNAzrqPmwx 4+tQ== X-Gm-Message-State: APjAAAViezxuZeajEk1L3yCMwVrxGA45k/OxtQwUb3lJOqckcyzcYEea 9r49d0Y46R//7HkGKH8dT8FTEg== X-Google-Smtp-Source: APXvYqwV2WbW+YnI/RSg4pObeFTwrqXX7/RAkcOisGbooOJiWoQtc+Z142kCNpI2JRHnas7oWXi3Ig== X-Received: by 2002:a17:90a:9b08:: with SMTP id f8mr1122025pjp.103.1562691207619; Tue, 09 Jul 2019 09:53:27 -0700 (PDT) Received: from c02rq0djfvh9.wifi.broadcom.net ([192.19.222.250]) by smtp.gmail.com with ESMTPSA id u23sm24388145pfn.140.2019.07.09.09.53.26 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 09 Jul 2019 09:53:26 -0700 (PDT) From: Shahram Davari Message-Id: Content-Type: multipart/alternative; boundary="Apple-Mail=_DD237678-9A54-49A5-AE9F-67B13C2DF14B" Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) Date: Tue, 9 Jul 2019 09:53:24 -0700 In-Reply-To: Cc: Mirja Kuehlewind , IPPM Chairs , IETF IPPM WG , draft-ietf-ippm-stamp@ietf.org To: Greg Mirsky References: <11938018-8A65-483B-8176-A6E1C2A265A3@kuehlewind.net> X-Mailer: Apple Mail (2.3445.9.1) Archived-At: Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2019 16:53:33 -0000 --Apple-Mail=_DD237678-9A54-49A5-AE9F-67B13C2DF14B Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Thanks Greg, How does the receiver distinguish between TWAMP and STAMP if they use = the same UDP Port number? Thx Shahram > On Jul 8, 2019, at 4:14 PM, Greg Mirsky wrote: >=20 > Hi Shahram, > thank you for the review and questions. Please find my answers below = tagged GIM>>. >=20 > Regards, > Greg >=20 > On Mon, Jul 8, 2019 at 2:02 PM Shahram Davari = > = wrote: > HI Greg >=20 > I read your draft and have the following questions: >=20 > 1) Does it require any UDP/TCP port number or it reuses the one from = TWAMP? if it reuses from TWAMP then how does the receiver differentiate = between TWAMP and STAMP? > GIM>> STAMP uses the well-known UDP port number allocated for the = OWAMP-Test/TWAMP-Test Receiver port (RFC 8545) as the default = destination UDP port number. STAMP may use destination UDP port number = from the Dynamic and/or Private Ports range 49152-65535. > 2) What is the benefit of STAMO compared to TWAMP? > GIM>> The work was driven by several observations, among them: > challenges in achieving interoperability among implementations of = TWAMP-Light; > industry interest in standardizing performance monitoring in IP = broadband access networks (TR-390); > improve extensibility of IP performance monitoring tool to support = measurements, testing of new metrics and parameters, e.g., consistency = of CoS in the network.=20 > 3) Why is there so much MBZ byte? > GIM>> It was agreed to make the symmetrical size of STAMP test packets = the default. RFC 6038 defined it for TWAMP and TR-390 requires it to be = supported by TWAMP-Light implementations. >=20 > Thx > Shahram >=20 >> On Jul 8, 2019, at 10:17 AM, Greg Mirsky > wrote: >>=20 >> Hi Mirja, >> thank you for the suggested text. The new paragraph now reads as: >> Load of STAMP test packets offered to a network MUST be = carefully >> estimated, and the possible impact on the existing services = MUST >> be thoroughly analyzed before launching the test session. >> [RFC8085] section 3.1.5 provides guidance on handling network = load >> for UDP-based protocol. While the characteristic of test = traffic >> depends on the test objective, it is highly recommended to stay = in >> the limits as provided in [RFC8085]. >>=20 >> If it is acceptable, I'd like to upload the updated version of = draft-ieff-ippm-stamp before the cut-off deadline. >>=20 >> Regards, >> Greg >>=20 >> On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind > wrote: >> Hi Greg, >>=20 >> See below. >>=20 >> > On 8. Jul 2019, at 16:54, Greg Mirsky > wrote: >> >=20 >> > Hi Mirja, >> > thank you for the reference to RFC 8085. I agree that the document = is very much relevant and a reference to RFC 8085 in STAMP is useful. = While reading Section 3.1.3 I came to think that the discussion and = guidance in other sections of RFC 8085, particularly, Section 3.1.5 = Implications of RTT and Loss Measurements on Congestion Control. Would = adding the reference to that section in the new text proposed for the = Security Considerations section work? I'll put RFC 8085 as Informational = reference as it is BCP. >> > NEW TEXT: >> > Load of STAMP test packets offered to a network MUST be = carefully >> > estimated, and the possible impact on the existing services = MUST >> > be thoroughly analyzed using [RFC8085] and its Section 3.1.5 = in >> > particular before launching the test session.. >>=20 >>=20 >> Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise = fine for me. Or you could have a separate sentence like: >>=20 >> =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network = load for UDP-based protocol. While the characteristic of test traffic = depends on the test objective, it is highly recommended to say in the = limits as provided in RFC8085.=E2=80=9D >>=20 >> Or something similar=E2=80=A6 >>=20 >> BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a = downref. However, I think having this as informational ref is fine. >>=20 >> Mirja >>=20 >>=20 >>=20 >> >=20 >> > Regards, >> > Greg >> >=20 >> > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind = > wrote: >> > Hi Greg, >> >=20 >> > Thanks a lot for you reply. Changes are good. I wonder if it would = be useful to provide a reference to RFC8085 because it has a lot of = information about congestion control of UDP based traffic? It recommends = to send not more than 1 packet per 3 seconds (if RTT is unknown). I = guess it doesn=E2=80=99t make sense to require this for testing traffic, = however, it could maybe still be a good recommendation? What do you = think? >> >=20 >> > Also I=E2=80=99ve just resend my review to the IPPM list, as I = unfortunately cc=E2=80=99ed only the IPPM chairs instead of the whole = list. Can you resend you proposed changes to the list, so other people = are aware of these changes. Sorry for the unconvience. >> >=20 >> > Mirja >> >=20 >> >=20 >> > > On 6. Jul 2019, at 17:46, Greg Mirsky > wrote: >> > >=20 >> > > Hi Mirja, >> > > thank you for your thorough review, very pointed and helpful = comments. Please find my responses in-lined and tagged GIM>>. Attached = the diff. >> > >=20 >> > > Regards, >> > > Greg >> > >=20 >> > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind = > wrote: >> > > Hi authors, hi all, >> > >=20 >> > > Thanks for this well-written document and very good shepherd = write-up! I would like discuss one point before I start IETF last call. >> > >=20 >> > > I believe this document should say something about network load = and congestion (control). OWAMP and TWAMP discuss quite a bit sender = scheduling, however, as this is a simplified version, so I think it = could at least be good to put a waring in this document that packet = sending should be somehow rate limited. I know it might be hard to = provide more concrete guidance but at least having some discussion or = warning in this document could be good. >> > > GIM>> Thank you for your suggestion. Security Considerations = section points to the fact that STAMP does not include control and = management components: >> > > Because of the control >> > > and management of a STAMP test being outside the scope of this >> > > specification only the more general requirement is set: >> > > adding the new text here: >> > > Load of STAMP test packets offered to a network MUST be = carefully >> > > estimated, and the possible impact on the existing services = MUST >> > > be thoroughly analyzed before launching the test session. >> > >=20 >> > >=20 >> > > Another comment: You only say at the very end that a certain UDP = port is used, which implies that STAMP runs over UDP. However, I think = you should mention at the very beginning that this is a UDP-based = protocol. Just to make things crystal clear. >> > > GIM>> Adding the reference to "UDP transport" into the first = sentence of Theory of Operations section: >> > > STAMP Session-Sender transmits test packets over UDP transport = toward STAMP Session-Reflector. >> > >=20 >> > > Mirja >> > >=20 >> > > P.S.: >> > > Nit: s/This document defines active performance measurement test = protocol/ This document defines an active performance measurement test = protocol/ >> > > -> =E2=80=9Can=E2=80=9D missing >> > > GIM>> Thank you. Done.=20 >> > > >> >=20 >>=20 >> _______________________________________________ >> ippm mailing list >> ippm@ietf.org >> https://www.ietf.org/mailman/listinfo/ippm = >=20 --Apple-Mail=_DD237678-9A54-49A5-AE9F-67B13C2DF14B Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 Thanks Greg,

How does the receiver distinguish between TWAMP and STAMP if = they use the same UDP Port number?

Thx
Shahram

On Jul 8, 2019, at 4:14 PM, Greg Mirsky <gregimirsky@gmail.com> wrote:

Hi Shahram,
thank = you for the review and questions. Please find my answers below tagged = GIM>>.

Regards,
Greg

On Mon, Jul 8, 2019 at 2:02 PM Shahram Davari = <shahram.davari@broadcom.com> wrote:
HI Greg

I read your draft and have the following questions:

1) Does it require any = UDP/TCP port number or it reuses the one from TWAMP? if it reuses from = TWAMP then  how does the receiver differentiate between TWAMP and = STAMP?
GIM>> STAMP uses = the well-known UDP port number allocated for the OWAMP-Test/TWAMP-Test = Receiver port (RFC 8545) as the default destination UDP port number. = STAMP may use destination UDP port number from the Dynamic and/or = Private Ports range 49152-65535.
2) What is the benefit of STAMO = compared to TWAMP?
GIM>> = The work was driven by several observations, among them:
  • challenges in achieving = interoperability among implementations of TWAMP-Light;
  • industry interest in standardizing performance monitoring in = IP broadband access networks (TR-390);
  • improve = extensibility of IP performance monitoring tool to support measurements, = testing of new metrics and parameters, e.g., consistency of CoS in the = network. 
3) Why is there so much MBZ = byte?
GIM>> It was agreed = to make the symmetrical size of STAMP test packets the default. RFC 6038 = defined it for TWAMP and TR-390 requires it to be supported by = TWAMP-Light implementations.

Thx
Shahram

On Jul 8, 2019, at 10:17 AM, Greg Mirsky <gregimirsky@gmail.com> wrote:

Hi Mirja,
thank = you for the suggested text. The new paragraph now reads as:
      Load of STAMP test packets offered to a = network MUST be carefully
      estimated, = and the possible impact on the existing services MUST
 =     be thoroughly analyzed before launching the test = session.
      [RFC8085] section 3.1.5 = provides guidance on handling network load
    =   for UDP-based protocol.  While the characteristic of test = traffic
      depends on the test = objective, it is highly recommended to stay in
  =     the limits as provided in [RFC8085].

If = it is acceptable, I'd like to upload the updated version of = draft-ieff-ippm-stamp before the cut-off deadline.

Regards,
Greg

On Mon, Jul 8, 2019 at 8:58 AM Mirja = Kuehlewind <ietf@kuehlewind.net> wrote:
Hi Greg,

See below.

> On 8. Jul 2019, at 16:54, Greg Mirsky <gregimirsky@gmail.com> wrote:
>
> Hi Mirja,
> thank you for the reference to RFC 8085. I agree that the document = is very much relevant and a reference to RFC 8085 in STAMP is useful. = While reading Section 3.1.3 I came to think that the discussion and = guidance in other sections of RFC 8085, particularly, Section 3.1.5 = Implications of RTT and Loss Measurements on Congestion Control. Would = adding the reference to that section in the new text proposed for the = Security Considerations section work? I'll put RFC 8085 as Informational = reference as it is BCP.
> NEW TEXT:
>       Load of STAMP test packets offered to a = network MUST be carefully
>       estimated, and the possible impact on the = existing services MUST
>       be thoroughly analyzed using [RFC8085] = and its Section 3.1.5 in
>       particular before launching the test = session..


Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fine = for me. Or you could have a separate sentence like:

=E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network = load for UDP-based protocol. While the characteristic of test traffic = depends on the test objective, it is highly recommended to say in the = limits as provided in RFC8085.=E2=80=9D

Or something similar=E2=80=A6

BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a = downref. However, I think having this as informational ref is fine.

Mirja



>
> Regards,
> Greg
>
> On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote:
> Hi Greg,
>
> Thanks a lot for you reply. Changes are good. I wonder if it would = be useful to provide a reference to RFC8085 because it has a lot of = information about congestion control of UDP based traffic? It recommends = to send not more than 1 packet per 3 seconds (if RTT is unknown). I = guess it doesn=E2=80=99t make sense to require this for testing traffic, = however, it could maybe still be a good recommendation? What do you = think?
>
> Also I=E2=80=99ve just resend my review to the IPPM list, as I = unfortunately cc=E2=80=99ed only the IPPM chairs instead of the whole = list. Can you resend you proposed changes to the list, so other people = are aware of these changes. Sorry for the unconvience.
>
> Mirja
>
>
> > On 6. Jul 2019, at 17:46, Greg Mirsky <gregimirsky@gmail.com> wrote:
> >
> > Hi Mirja,
> > thank you for your thorough review, very pointed and helpful = comments. Please find my responses in-lined and tagged GIM>>. = Attached the diff.
> >
> > Regards,
> > Greg
> >
> > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote:
> > Hi authors, hi all,
> >
> > Thanks for this well-written document and very good shepherd = write-up! I would like discuss one point before I start IETF last = call.
> >
> > I believe this document should say something about network = load and congestion (control). OWAMP and TWAMP discuss quite a bit = sender scheduling, however, as this is a simplified version, so I think = it could at least be good to put a waring in this document that packet = sending should be somehow rate limited. I know it might be hard to = provide more concrete guidance but at least having some discussion or = warning in this document could be good.
> > GIM>>  Thank you for your suggestion. Security = Considerations section points to the fact that STAMP does not include = control and management components:
> >    Because of the control
> >    and management of a STAMP test being outside the = scope of this
> >    specification only the more general requirement = is set:
> > adding the new text here:
> >       Load of STAMP test packets offered = to a network MUST be carefully
> >       estimated, and the possible impact = on the existing services MUST
> >       be thoroughly analyzed before = launching the test session.
> >
> >
> > Another comment: You only say at the very end that a certain = UDP port is used, which implies that STAMP runs over UDP. However, I = think you should mention at the very beginning that this is a UDP-based = protocol. Just to make things crystal clear.
> > GIM>> Adding the reference to "UDP transport" into the = first sentence of Theory of  Operations section:
> >    STAMP Session-Sender transmits test packets over = UDP transport toward STAMP Session-Reflector.
> >
> > Mirja
> >
> > P.S.:
> > Nit: s/This document defines active performance measurement = test protocol/ This document defines an active performance measurement = test protocol/
> > -> =E2=80=9Can=E2=80=9D missing
> > GIM>> Thank you. Done.
> > <Diff_ draft-ietf-ippm-stamp-06.txt - = draft-ietf-ippm-stamp-07..txt.html>
>

_______________________________________________
ippm = mailing list
ippm@ietf.org
https://www.ietf.org/mailman/listinfo/ippm


= --Apple-Mail=_DD237678-9A54-49A5-AE9F-67B13C2DF14B-- From nobody Tue Jul 9 10:17:17 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 171951202C4; Tue, 9 Jul 2019 10:17:14 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.702 X-Spam-Level: X-Spam-Status: No, score=-0.702 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, PDS_NO_HELO_DNS=1.295, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CM61W93VLftp; Tue, 9 Jul 2019 10:17:12 -0700 (PDT) Received: from mail-lj1-x22d.google.com (mail-lj1-x22d.google.com [IPv6:2a00:1450:4864:20::22d]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 8E7BA120285; Tue, 9 Jul 2019 10:17:11 -0700 (PDT) Received: by mail-lj1-x22d.google.com with SMTP id v18so20311833ljh.6; Tue, 09 Jul 2019 10:17:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=L+2/R3KB/YPwJrRm3QUm3hRXjdecBQ4HKX53GDRULLc=; b=s19ZNO1v9IT9wo0EtN6IdY80v+/oRnOvXJQ53Mz8O7qyLQndv5mmHFYi8+eOFsY19n W2eIt+eJtrJu5gi/f03sc1ynSXwugmYjKYPGPNuJiHqlsTDcLnJCVqQt6g5UUWcRrf/W DiItzLSZxhVnUTki6Tzn8PYHZ7jNk+Dmx2RVmrVSsBEwHVKZZyf67R9VoNhsExokdgea hdswe5w+k10T2NUHS88xWWRygBWL8GTv5OW08IWbp4iBBRCTvQsUImtj6jqSybmXwjt0 2xg/CqNlExpI+HlzfbpsBcMLQlAqCUOvY2aH0IdeXQgiozZ0G0gR7KFt5WNLDpEkYHRx nKew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=L+2/R3KB/YPwJrRm3QUm3hRXjdecBQ4HKX53GDRULLc=; b=gEV+mRdlu9zfQfF8aCqKaUAos3dcpxizNdeZgJx+/dTdYzBSnIaeKDgia2VznueXjl guxuDC3D48elsDKVoAk9WleqynWW/4j2hUTgsuylFje8TmxTAnBnnQLbv2vmzqkZRF1H /axrhGv9ZYrMZQ/JhUanlGkGnc0lifOAukO2DUwlnqPojDFBKtj5bz8YDwCCuNjho2Mo 62Z9xmhjMISEHRlDvkWRxMGqMUJqYzfmhzOsD/10DPn71hCINRmhDkGD0KEDEysLs2ND 34lyKQQXaHYcuoCQ3Zs/16uisW+R/4QjmoA8gZnmJRtPlpwwLzmvoEi858Vt3kwq8QTK AqYw== X-Gm-Message-State: APjAAAXMdxjauNcHHF0zKrsjpstXe8xdicc/R76xUfdubz2F2mRr3hGy 5AOa+QOWzqZyBwGLGQy434KzFcH7zwS9AYmeklU= X-Google-Smtp-Source: APXvYqwgo6stj9CDLIvTX33Bl5ij85qqBnjlqpL3NlTxqYPPRjhpKyQAHB9VqxZMOvVL87/Z5XLY5gLdJ80F8xJooKs= X-Received: by 2002:a2e:8696:: with SMTP id l22mr14390216lji.201.1562692629772; Tue, 09 Jul 2019 10:17:09 -0700 (PDT) MIME-Version: 1.0 References: <11938018-8A65-483B-8176-A6E1C2A265A3@kuehlewind.net> In-Reply-To: From: Greg Mirsky Date: Tue, 9 Jul 2019 10:16:58 -0700 Message-ID: To: Shahram Davari Cc: Mirja Kuehlewind , IPPM Chairs , IETF IPPM WG , draft-ietf-ippm-stamp@ietf.org Content-Type: multipart/alternative; boundary="000000000000173f7b058d42bb79" Archived-At: Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2019 17:17:14 -0000 --000000000000173f7b058d42bb79 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Shahram, excellent question, thank you! When using STAMP extensions, STAMP Session-Sender must use the basic STAMP test packet followed by a TLV. A STAMP Session-Reflector is expected to compare the value in the Length field of the UDP header with the length of the basic STAMP test packet (44 octets). If the difference is larger than the length of the UDP header, then the Session-Reflector should process STAMP TLVs following the basic STAMP test packet. Regards, Greg On Tue, Jul 9, 2019 at 9:53 AM Shahram Davari wrote: > Thanks Greg, > > How does the receiver distinguish between TWAMP and STAMP if they use the > same UDP Port number? > > Thx > Shahram > > On Jul 8, 2019, at 4:14 PM, Greg Mirsky wrote: > > Hi Shahram, > thank you for the review and questions. Please find my answers below > tagged GIM>>. > > Regards, > Greg > > On Mon, Jul 8, 2019 at 2:02 PM Shahram Davari > wrote: > >> HI Greg >> >> I read your draft and have the following questions: >> >> 1) Does it require any UDP/TCP port number or it reuses the one from >> TWAMP? if it reuses from TWAMP then how does the receiver differentiate >> between TWAMP and STAMP? >> > GIM>> STAMP uses the well-known UDP port number allocated for the > OWAMP-Test/TWAMP-Test Receiver port (RFC 8545) as the default destination > UDP port number. STAMP may use destination UDP port number from the Dynam= ic > and/or Private Ports range 49152-65535. > >> 2) What is the benefit of STAMO compared to TWAMP? >> > GIM>> The work was driven by several observations, among them: > > - challenges in achieving interoperability among implementations of > TWAMP-Light; > - industry interest in standardizing performance monitoring in IP > broadband access networks (TR-390); > - improve extensibility of IP performance monitoring tool to support > measurements, testing of new metrics and parameters, e.g., consistency= of > CoS in the network. > > 3) Why is there so much MBZ byte? >> > GIM>> It was agreed to make the symmetrical size of STAMP test packets th= e > default. RFC 6038 defined it for TWAMP and TR-390 requires it to be > supported by TWAMP-Light implementations. > >> >> Thx >> Shahram >> >> On Jul 8, 2019, at 10:17 AM, Greg Mirsky wrote: >> >> Hi Mirja, >> thank you for the suggested text. The new paragraph now reads as: >> Load of STAMP test packets offered to a network MUST be carefully >> estimated, and the possible impact on the existing services MUST >> be thoroughly analyzed before launching the test session. >> [RFC8085] section 3.1.5 provides guidance on handling network load >> for UDP-based protocol. While the characteristic of test traffic >> depends on the test objective, it is highly recommended to stay in >> the limits as provided in [RFC8085]. >> >> If it is acceptable, I'd like to upload the updated version of >> draft-ieff-ippm-stamp before the cut-off deadline. >> >> Regards, >> Greg >> >> On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind >> wrote: >> >>> Hi Greg, >>> >>> See below. >>> >>> > On 8. Jul 2019, at 16:54, Greg Mirsky wrote: >>> > >>> > Hi Mirja, >>> > thank you for the reference to RFC 8085. I agree that the document is >>> very much relevant and a reference to RFC 8085 in STAMP is useful. Whil= e >>> reading Section 3.1.3 I came to think that the discussion and guidance = in >>> other sections of RFC 8085, particularly, Section 3.1.5 Implications of= RTT >>> and Loss Measurements on Congestion Control. Would adding the reference= to >>> that section in the new text proposed for the Security Considerations >>> section work? I'll put RFC 8085 as Informational reference as it is BCP= . >>> > NEW TEXT: >>> > Load of STAMP test packets offered to a network MUST be careful= ly >>> > estimated, and the possible impact on the existing services MUS= T >>> > be thoroughly analyzed using [RFC8085] and its Section 3.1.5 in >>> > particular before launching the test session.. >>> >>> >>> Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fin= e for me. Or you >>> could have a separate sentence like: >>> >>> =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network lo= ad for >>> UDP-based protocol. While the characteristic of test traffic depends on= the >>> test objective, it is highly recommended to say in the limits as provid= ed >>> in RFC8085.=E2=80=9D >>> >>> Or something similar=E2=80=A6 >>> >>> BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a downr= ef. >>> However, I think having this as informational ref is fine. >>> >>> Mirja >>> >>> >>> >>> > >>> > Regards, >>> > Greg >>> > >>> > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind >>> wrote: >>> > Hi Greg, >>> > >>> > Thanks a lot for you reply. Changes are good. I wonder if it would be >>> useful to provide a reference to RFC8085 because it has a lot of >>> information about congestion control of UDP based traffic? It recommend= s to >>> send not more than 1 packet per 3 seconds (if RTT is unknown). I guess = it >>> doesn=E2=80=99t make sense to require this for testing traffic, however= , it could >>> maybe still be a good recommendation? What do you think? >>> > >>> > Also I=E2=80=99ve just resend my review to the IPPM list, as I unfort= unately >>> cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can you r= esend you >>> proposed changes to the list, so other people are aware of these change= s. >>> Sorry for the unconvience. >>> > >>> > Mirja >>> > >>> > >>> > > On 6. Jul 2019, at 17:46, Greg Mirsky wrote= : >>> > > >>> > > Hi Mirja, >>> > > thank you for your thorough review, very pointed and helpful >>> comments. Please find my responses in-lined and tagged GIM>>. Attached = the >>> diff. >>> > > >>> > > Regards, >>> > > Greg >>> > > >>> > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind >>> wrote: >>> > > Hi authors, hi all, >>> > > >>> > > Thanks for this well-written document and very good shepherd >>> write-up! I would like discuss one point before I start IETF last call. >>> > > >>> > > I believe this document should say something about network load and >>> congestion (control). OWAMP and TWAMP discuss quite a bit sender >>> scheduling, however, as this is a simplified version, so I think it cou= ld >>> at least be good to put a waring in this document that packet sending >>> should be somehow rate limited. I know it might be hard to provide more >>> concrete guidance but at least having some discussion or warning in thi= s >>> document could be good. >>> > > GIM>> Thank you for your suggestion. Security Considerations >>> section points to the fact that STAMP does not include control and >>> management components: >>> > > Because of the control >>> > > and management of a STAMP test being outside the scope of this >>> > > specification only the more general requirement is set: >>> > > adding the new text here: >>> > > Load of STAMP test packets offered to a network MUST be >>> carefully >>> > > estimated, and the possible impact on the existing services >>> MUST >>> > > be thoroughly analyzed before launching the test session. >>> > > >>> > > >>> > > Another comment: You only say at the very end that a certain UDP >>> port is used, which implies that STAMP runs over UDP. However, I think = you >>> should mention at the very beginning that this is a UDP-based protocol. >>> Just to make things crystal clear. >>> > > GIM>> Adding the reference to "UDP transport" into the first >>> sentence of Theory of Operations section: >>> > > STAMP Session-Sender transmits test packets over UDP transport >>> toward STAMP Session-Reflector. >>> > > >>> > > Mirja >>> > > >>> > > P.S.: >>> > > Nit: s/This document defines active performance measurement test >>> protocol/ This document defines an active performance measurement test >>> protocol/ >>> > > -> =E2=80=9Can=E2=80=9D missing >>> > > GIM>> Thank you. Done. >>> > > >> draft-ietf-ippm-stamp-07..txt.html> >>> > >>> >>> _______________________________________________ >> ippm mailing list >> ippm@ietf.org >> https://www.ietf.org/mailman/listinfo/ippm >> >> >> > --000000000000173f7b058d42bb79 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Shahram,
excellent question, thank you!
W= hen using STAMP extensions, STAMP Session-Sender must use the basic STAMP t= est packet followed by a TLV. A STAMP Session-Reflector is expected to comp= are the value in the Length field of the UDP header with the length of the = basic STAMP test packet (44 octets). If the difference is larger than the l= ength of the UDP header, then the Session-Reflector should process STAMP TL= Vs following the basic STAMP test packet.

Regards,=
Greg

On Tue, Jul 9, 2019 at 9:53 AM Shahram Davari <shahram.davari@broadcom.com&= gt; wrote:
Thanks Greg,

How do= es the receiver distinguish between TWAMP and STAMP if they use the same UD= P Port number?

Thx
Shahram

<= blockquote type=3D"cite">
On Jul 8, 2019, at 4:14 PM, Greg Mirsky <<= a href=3D"mailto:gregimirsky@gmail.com" target=3D"_blank">gregimirsky@gmail= .com> wrote:

Hi Shahram,
tha= nk you for the review and questions. Please find my answers below tagged GI= M>>.

Regards,
Greg

=
On Mon, Ju= l 8, 2019 at 2:02 PM Shahram Davari <shahram.davari@broadcom.com> wrote:
HI Greg
<= br>
I read your draft and have the following questions:

1) Does it require any UDP/TCP port number or it reuses the= one from TWAMP? if it reuses from TWAMP then =C2=A0how does the receiver d= ifferentiate between TWAMP and STAMP?
GIM>&= gt; STAMP uses the well-known UDP port number allocated for the OWAMP-Test/= TWAMP-Test Receiver port (RFC 8545) as the default destination UDP port num= ber. STAMP may use destination UDP port number from the Dynamic and/or Priv= ate Ports range 49152-65535.
2) What is the benefit of STAMO compared to TWAMP?
GIM>> The work was driven by several observ= ations, among them:
  • challenges in achieving interoperabil= ity among implementations of TWAMP-Light;
  • industry interest in stan= dardizing performance monitoring in IP broadband access networks (TR-390);<= /li>
  • improve extensibility of IP performance monitoring tool to support = measurements, testing of new metrics and parameters, e.g., consistency of C= oS in the network.=C2=A0
3) Why is there so much MBZ byte?
GIM>> It was agreed to make the symmetrical size of STAM= P test packets the default. RFC 6038 defined it for TWAMP and TR-390 requir= es it to be supported by TWAMP-Light implementations.

Thx
Sh= ahram

On Jul 8, 2019, at 10:17 A= M, Greg Mirsky <gregimirsky@gmail.com> wrote:

Hi Mirja,
thank you for the suggested text. The new paragrap= h now reads as:
=C2=A0 =C2=A0 =C2=A0 Load of STAMP test packets o= ffered to a network MUST be carefully
=C2=A0 =C2=A0 =C2=A0 estimated, an= d the possible impact on the existing services MUST
=C2=A0 =C2=A0 =C2=A0= be thoroughly analyzed before launching the test session.
=C2=A0 =C2=A0= =C2=A0 [RFC8085] section 3.1.5 provides guidance on handling network load<= br>=C2=A0 =C2=A0 =C2=A0 for UDP-based protocol.=C2=A0 While the characteris= tic of test traffic
=C2=A0 =C2=A0 =C2=A0 depends on the test objective, = it is highly recommended to stay in
=C2=A0 =C2=A0 =C2=A0 the limits as p= rovided in [RFC8085].

If it is acceptable, I&#= 39;d like to upload the updated version of draft-ieff-ippm-stamp before the= cut-off deadline.

Regards,
Greg

On= Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote:
Hi Greg,

See below.

> On 8. Jul 2019, at 16:54, Greg Mirsky <gregimirsky@gmail.com> wrote:
>
> Hi Mirja,
> thank you for the reference to RFC 8085. I agree that the document is = very much relevant and a reference to RFC 8085 in STAMP is useful. While re= ading Section 3.1.3 I came to think that the discussion and guidance in oth= er sections of RFC 8085, particularly, Section 3.1.5 Implications of RTT an= d Loss Measurements on Congestion Control. Would adding the reference to th= at section in the new text proposed for the Security Considerations section= work? I'll put RFC 8085 as Informational reference as it is BCP.
> NEW TEXT:
>=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a netw= ork MUST be carefully
>=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on the ex= isting services MUST
>=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed using [RFC8085] and i= ts Section 3.1.5 in
>=C2=A0 =C2=A0 =C2=A0 =C2=A0particular before launching the test session= ..


Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fine fo= r me. Or you could have a separate sentence like:

=E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network load f= or UDP-based protocol. While the characteristic of test traffic depends on = the test objective, it is highly recommended to say in the limits as provid= ed in RFC8085.=E2=80=9D

Or something similar=E2=80=A6

BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a downref. = However, I think having this as informational ref is fine.

Mirja



>
> Regards,
> Greg
>
> On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote: > Hi Greg,
>
> Thanks a lot for you reply. Changes are good. I wonder if it would be = useful to provide a reference to RFC8085 because it has a lot of informatio= n about congestion control of UDP based traffic? It recommends to send not = more than 1 packet per 3 seconds (if RTT is unknown). I guess it doesn=E2= =80=99t make sense to require this for testing traffic, however, it could m= aybe still be a good recommendation? What do you think?
>
> Also I=E2=80=99ve just resend my review to the IPPM list, as I unfortu= nately cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can yo= u resend you proposed changes to the list, so other people are aware of the= se changes. Sorry for the unconvience.
>
> Mirja
>
>
> > On 6. Jul 2019, at 17:46, Greg Mirsky <gregimirsky@gmail.com> wrote: > >
> > Hi Mirja,
> > thank you for your thorough review, very pointed and helpful comm= ents. Please find my responses in-lined and tagged GIM>>. Attached th= e diff.
> >
> > Regards,
> > Greg
> >
> > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind <ietf@kuehlewind.net> wro= te:
> > Hi authors, hi all,
> >
> > Thanks for this well-written document and very good shepherd writ= e-up! I would like discuss one point before I start IETF last call.
> >
> > I believe this document should say something about network load a= nd congestion (control). OWAMP and TWAMP discuss quite a bit sender schedul= ing, however, as this is a simplified version, so I think it could at least= be good to put a waring in this document that packet sending should be som= ehow rate limited. I know it might be hard to provide more concrete guidanc= e but at least having some discussion or warning in this document could be = good.
> > GIM>>=C2=A0 Thank you for your suggestion. Security Conside= rations section points to the fact that STAMP does not include control and = management components:
> >=C2=A0 =C2=A0 Because of the control
> >=C2=A0 =C2=A0 and management of a STAMP test being outside the sco= pe of this
> >=C2=A0 =C2=A0 specification only the more general requirement is s= et:
> > adding the new text here:
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a= network MUST be carefully
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on t= he existing services MUST
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed before launching= the test session.
> >
> >
> > Another comment: You only say at the very end that a certain UDP = port is used, which implies that STAMP runs over UDP. However, I think you = should mention at the very beginning that this is a UDP-based protocol. Jus= t to make things crystal clear.
> > GIM>> Adding the reference to "UDP transport" int= o the first sentence of Theory of=C2=A0 Operations section:
> >=C2=A0 =C2=A0 STAMP Session-Sender transmits test packets over UDP= transport toward STAMP Session-Reflector.
> >
> > Mirja
> >
> > P.S.:
> > Nit: s/This document defines active performance measurement test = protocol/ This document defines an active performance measurement test prot= ocol/
> > -> =E2=80=9Can=E2=80=9D missing
> > GIM>> Thank you. Done.
> > <Diff_ draft-ietf-ippm-stamp-06.txt - draft-ietf-ippm-stamp-07= ..txt.html>
>

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--000000000000173f7b058d42bb79-- From nobody Tue Jul 9 10:18:58 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E2EEC120285 for ; Tue, 9 Jul 2019 10:18:56 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.703 X-Spam-Level: X-Spam-Status: No, score=-0.703 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, MIME_QP_LONG_LINE=0.001, PDS_NO_HELO_DNS=1.295, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=broadcom.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id GklY3UyZt5Xh for ; Tue, 9 Jul 2019 10:18:54 -0700 (PDT) Received: from mail-pf1-x434.google.com (mail-pf1-x434.google.com [IPv6:2607:f8b0:4864:20::434]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C29301201F1 for ; Tue, 9 Jul 2019 10:18:54 -0700 (PDT) Received: by mail-pf1-x434.google.com with SMTP id t16so9605025pfe.11 for ; Tue, 09 Jul 2019 10:18:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=user-agent:date:subject:from:to:cc:message-id:thread-topic :references:in-reply-to:mime-version; bh=jAYlX0Lb+p8Tlpx5yuIhVgNO1suxcsiFUDe573HVTuE=; b=RI4/WJw/Of5qY36QbladTL+LRGgiok9/jcfmOov2QJdshw8VpHAUWhofl8c7FiCk+X eoYaGQEo/Njpc/5tdKoJ4eWMkifOYJrK5nTVJDw/YfvVuGVmTvOJpAgc0Qh0TXm37vfC PpqzkYU7xrSfCF4Zaa0mtgu5ITU81wdFW9Ajc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:user-agent:date:subject:from:to:cc:message-id :thread-topic:references:in-reply-to:mime-version; bh=jAYlX0Lb+p8Tlpx5yuIhVgNO1suxcsiFUDe573HVTuE=; b=bkH3CxAFlHRfmzHvmPxy2XgGszRd7mSuepAIPqRTajUSapwIKv5d+43b4ka/l4usQE b59uNPALGQcY17c+8Gt8VNHX0Dww3UqHBMUjjvnY2pPiiHSc8i6hWx9a1FKtP+Gqv3sq CVMYkNbac6EZe8bDSkRFPPb+tsuZmDxlaSUk3IWm35FJeSLyFHV43/HhkFXriXHPqU3t q24LQ1DquhA1F3sH31Nv3GpcY6PFUTyV9tFcK6KN7WwCTHLtMwqwRdwYRJY00+3/H47E o84LEK8tJknBaf71h6oKRcB9oazFk/CjyjFDnOCMCx44HjliYN1R9IXNmWjwCl54bnYw A+iw== X-Gm-Message-State: APjAAAUSd075s+/xhvbMk97YEEDJfub7ZXSQP1tRPaIOejYlQ9ygcUdq E6ndekBKsWnWdxi3mbQBs4EdZA== X-Google-Smtp-Source: APXvYqzb/JnJzZkhlS1S941IvbXlO7LA7ei8XbdsMc++Ur9/BfxQEgRxyna1Mcj9a6Mnn2PQvuGUbA== X-Received: by 2002:a63:e018:: with SMTP id e24mr31519144pgh.361.1562692734111; Tue, 09 Jul 2019 10:18:54 -0700 (PDT) Received: from [10.58.68.119] ([192.19.222.250]) by smtp.gmail.com with ESMTPSA id d2sm3041952pjs.21.2019.07.09.10.18.51 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 09 Jul 2019 10:18:53 -0700 (PDT) User-Agent: Microsoft-MacOutlook/10.1a.0.190609 Date: Tue, 09 Jul 2019 10:18:51 -0700 From: Jai Kumar To: Tommy Pauly , IETF IPPM WG CC: Message-ID: Thread-Topic: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tlv References: In-Reply-To: Mime-version: 1.0 Content-type: multipart/alternative; boundary="B_3645512332_1912335074" Archived-At: Subject: Re: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tlv X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2019 17:18:57 -0000 > This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. --B_3645512332_1912335074 Content-type: text/plain; charset="UTF-8" Content-transfer-encoding: quoted-printable Yes/Support. =20 -Jai =20 From: ippm on behalf of Tommy Pauly Date: Monday, July 8, 2019 at 3:53 PM To: IETF IPPM WG Cc: Subject: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tlv =20 Hello IPPM, =20 This message begins an adoption call for draft-mirsky-ippm-stamp-option-tlv= , "Simple Two-way Active Measurement Protocol Optional Extensions=E2=80=9D. The do= cument has been discussed on the list recently, with good input and reviews = from the group. We=E2=80=99d like to get the working group=E2=80=99s input on if this do= cument should be adopted and worked on by the group. =20 The current status and text of the document can be found here: =20 https://datatracker.ietf.org/doc/draft-mirsky-ippm-stamp-option-tlv/ https://tools.ietf.org/html/draft-mirsky-ippm-stamp-option-tlv-05 =20 Please respond to this email by Tuesday, July 23 to indicate whether or not= you think IPPM should adopt and work on the extensions and extension mechan= ism described in this draft. =20 Best, Tommy (as IPPM co-chair) _______________________________________________ ippm mailing list ippm@ietf= .org https://www.ietf.org/mailman/listinfo/ippm=20 --B_3645512332_1912335074 Content-type: text/html; charset="UTF-8" Content-transfer-encoding: quoted-printable

Yes/Support.

 

-Jai

 

From: ip= pm <ippm-bounces@ietf.org> on behalf of Tommy Pauly <tpauly=3D40apple= .com@dmarc.ietf.org>
Date: Monday, July 8, 2019 at 3:53 PM
<= b>To: IETF IPPM WG <ippm@ietf.org>
Cc: <draft-mirsky-= ippm-stamp-option-tlv@ietf.org>
Subject: [ippm] Adoption call f= or draft-mirsky-ippm-stamp-option-tlv

 

Hello IPPM,<= o:p>

 

=

This message begins an adoption call for draft-mirsky-ipp= m-stamp-option-tlv, "Simple Two-way Active Measurement Protocol Optiona= l Extensions=E2=80=9D. The document has been discussed on the list recently, with = good input and reviews from the group. We=E2=80=99d like to get the working group=E2= =80=99s input on if this document should be adopted and worked on by the group.<= o:p>

 

=

The current status and text of the document can be found = here:

 

 

Please respond to this email by Tuesday, July 23 to indica= te whether or not you think IPPM should adopt and work on the extensions and= extension mechanism described in this draft.

 

Best,
To= mmy (as IPPM co-chair)

______________= _________________________________ ippm mailing list ippm@ietf.org https://ww= w.ietf.org/mailman/listinfo/ippm

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Thx Shahram > On Jul 9, 2019, at 10:16 AM, Greg Mirsky = wrote: >=20 > Hi Shahram, > excellent question, thank you! > When using STAMP extensions, STAMP Session-Sender must use the basic = STAMP test packet followed by a TLV. A STAMP Session-Reflector is = expected to compare the value in the Length field of the UDP header with = the length of the basic STAMP test packet (44 octets). If the difference = is larger than the length of the UDP header, then the Session-Reflector = should process STAMP TLVs following the basic STAMP test packet. >=20 > Regards, > Greg >=20 > On Tue, Jul 9, 2019 at 9:53 AM Shahram Davari = > = wrote: > Thanks Greg, >=20 > How does the receiver distinguish between TWAMP and STAMP if they use = the same UDP Port number? >=20 > Thx > Shahram >=20 >> On Jul 8, 2019, at 4:14 PM, Greg Mirsky > wrote: >>=20 >> Hi Shahram, >> thank you for the review and questions. Please find my answers below = tagged GIM>>. >>=20 >> Regards, >> Greg >>=20 >> On Mon, Jul 8, 2019 at 2:02 PM Shahram Davari = > = wrote: >> HI Greg >>=20 >> I read your draft and have the following questions: >>=20 >> 1) Does it require any UDP/TCP port number or it reuses the one from = TWAMP? if it reuses from TWAMP then how does the receiver differentiate = between TWAMP and STAMP? >> GIM>> STAMP uses the well-known UDP port number allocated for the = OWAMP-Test/TWAMP-Test Receiver port (RFC 8545) as the default = destination UDP port number. STAMP may use destination UDP port number = from the Dynamic and/or Private Ports range 49152-65535. >> 2) What is the benefit of STAMO compared to TWAMP? >> GIM>> The work was driven by several observations, among them: >> challenges in achieving interoperability among implementations of = TWAMP-Light; >> industry interest in standardizing performance monitoring in IP = broadband access networks (TR-390); >> improve extensibility of IP performance monitoring tool to support = measurements, testing of new metrics and parameters, e.g., consistency = of CoS in the network.=20 >> 3) Why is there so much MBZ byte? >> GIM>> It was agreed to make the symmetrical size of STAMP test = packets the default. RFC 6038 defined it for TWAMP and TR-390 requires = it to be supported by TWAMP-Light implementations. >>=20 >> Thx >> Shahram >>=20 >>> On Jul 8, 2019, at 10:17 AM, Greg Mirsky > wrote: >>>=20 >>> Hi Mirja, >>> thank you for the suggested text. The new paragraph now reads as: >>> Load of STAMP test packets offered to a network MUST be = carefully >>> estimated, and the possible impact on the existing services = MUST >>> be thoroughly analyzed before launching the test session. >>> [RFC8085] section 3.1.5 provides guidance on handling network = load >>> for UDP-based protocol. While the characteristic of test = traffic >>> depends on the test objective, it is highly recommended to = stay in >>> the limits as provided in [RFC8085]. >>>=20 >>> If it is acceptable, I'd like to upload the updated version of = draft-ieff-ippm-stamp before the cut-off deadline. >>>=20 >>> Regards, >>> Greg >>>=20 >>> On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind > wrote: >>> Hi Greg, >>>=20 >>> See below. >>>=20 >>> > On 8. Jul 2019, at 16:54, Greg Mirsky > wrote: >>> >=20 >>> > Hi Mirja, >>> > thank you for the reference to RFC 8085. I agree that the document = is very much relevant and a reference to RFC 8085 in STAMP is useful. = While reading Section 3.1.3 I came to think that the discussion and = guidance in other sections of RFC 8085, particularly, Section 3.1.5 = Implications of RTT and Loss Measurements on Congestion Control. Would = adding the reference to that section in the new text proposed for the = Security Considerations section work? I'll put RFC 8085 as Informational = reference as it is BCP. >>> > NEW TEXT: >>> > Load of STAMP test packets offered to a network MUST be = carefully >>> > estimated, and the possible impact on the existing services = MUST >>> > be thoroughly analyzed using [RFC8085] and its Section 3.1.5 = in >>> > particular before launching the test session.. >>>=20 >>>=20 >>> Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise = fine for me. Or you could have a separate sentence like: >>>=20 >>> =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network = load for UDP-based protocol. While the characteristic of test traffic = depends on the test objective, it is highly recommended to say in the = limits as provided in RFC8085.=E2=80=9D >>>=20 >>> Or something similar=E2=80=A6 >>>=20 >>> BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a = downref. However, I think having this as informational ref is fine. >>>=20 >>> Mirja >>>=20 >>>=20 >>>=20 >>> >=20 >>> > Regards, >>> > Greg >>> >=20 >>> > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind = > wrote: >>> > Hi Greg, >>> >=20 >>> > Thanks a lot for you reply. Changes are good. I wonder if it would = be useful to provide a reference to RFC8085 because it has a lot of = information about congestion control of UDP based traffic? It recommends = to send not more than 1 packet per 3 seconds (if RTT is unknown). I = guess it doesn=E2=80=99t make sense to require this for testing traffic, = however, it could maybe still be a good recommendation? What do you = think? >>> >=20 >>> > Also I=E2=80=99ve just resend my review to the IPPM list, as I = unfortunately cc=E2=80=99ed only the IPPM chairs instead of the whole = list. Can you resend you proposed changes to the list, so other people = are aware of these changes. Sorry for the unconvience. >>> >=20 >>> > Mirja >>> >=20 >>> >=20 >>> > > On 6. Jul 2019, at 17:46, Greg Mirsky > wrote: >>> > >=20 >>> > > Hi Mirja, >>> > > thank you for your thorough review, very pointed and helpful = comments. Please find my responses in-lined and tagged GIM>>. Attached = the diff. >>> > >=20 >>> > > Regards, >>> > > Greg >>> > >=20 >>> > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind = > wrote: >>> > > Hi authors, hi all, >>> > >=20 >>> > > Thanks for this well-written document and very good shepherd = write-up! I would like discuss one point before I start IETF last call. >>> > >=20 >>> > > I believe this document should say something about network load = and congestion (control). OWAMP and TWAMP discuss quite a bit sender = scheduling, however, as this is a simplified version, so I think it = could at least be good to put a waring in this document that packet = sending should be somehow rate limited. I know it might be hard to = provide more concrete guidance but at least having some discussion or = warning in this document could be good. >>> > > GIM>> Thank you for your suggestion. Security Considerations = section points to the fact that STAMP does not include control and = management components: >>> > > Because of the control >>> > > and management of a STAMP test being outside the scope of = this >>> > > specification only the more general requirement is set: >>> > > adding the new text here: >>> > > Load of STAMP test packets offered to a network MUST be = carefully >>> > > estimated, and the possible impact on the existing = services MUST >>> > > be thoroughly analyzed before launching the test session. >>> > >=20 >>> > >=20 >>> > > Another comment: You only say at the very end that a certain UDP = port is used, which implies that STAMP runs over UDP. However, I think = you should mention at the very beginning that this is a UDP-based = protocol. Just to make things crystal clear. >>> > > GIM>> Adding the reference to "UDP transport" into the first = sentence of Theory of Operations section: >>> > > STAMP Session-Sender transmits test packets over UDP = transport toward STAMP Session-Reflector. >>> > >=20 >>> > > Mirja >>> > >=20 >>> > > P.S.: >>> > > Nit: s/This document defines active performance measurement test = protocol/ This document defines an active performance measurement test = protocol/ >>> > > -> =E2=80=9Can=E2=80=9D missing >>> > > GIM>> Thank you. Done.=20 >>> > > >>> >=20 >>>=20 >>> _______________________________________________ >>> ippm mailing list >>> ippm@ietf.org >>> https://www.ietf.org/mailman/listinfo/ippm = >>=20 >=20 --Apple-Mail=_DBC635EA-EB2F-45C6-9705-DECBF34EF526 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 Thanks Greg,

How about the Authenticated mode packet? should the session = start as unauthenticated first?

Thx
Shahram

On Jul 9, 2019, at 10:16 AM, Greg Mirsky <gregimirsky@gmail.com> wrote:

Hi Shahram,
excellent question, thank = you!
When using STAMP extensions, STAMP = Session-Sender must use the basic STAMP test packet followed by a TLV. A = STAMP Session-Reflector is expected to compare the value in the Length = field of the UDP header with the length of the basic STAMP test packet = (44 octets). If the difference is larger than the length of the UDP = header, then the Session-Reflector should process STAMP TLVs following = the basic STAMP test packet.

Regards,
Greg

On Tue, Jul 9, 2019 at 9:53 AM Shahram = Davari <shahram.davari@broadcom.com> wrote:
Thanks Greg,

How does the receiver distinguish = between TWAMP and STAMP if they use the same UDP Port number?

Thx
Shahram

On Jul = 8, 2019, at 4:14 PM, Greg Mirsky <gregimirsky@gmail.com> wrote:

Hi = Shahram,
thank you for the review and questions. Please = find my answers below tagged GIM>>.

Regards,
Greg

On Mon, Jul 8, 2019 at 2:02 PM Shahram = Davari <shahram.davari@broadcom.com> = wrote:
HI Greg

I read your draft and = have the following questions:

1) Does it require any UDP/TCP port = number or it reuses the one from TWAMP? if it reuses from TWAMP then =  how does the receiver differentiate between TWAMP and = STAMP?
GIM>> STAMP uses = the well-known UDP port number allocated for the OWAMP-Test/TWAMP-Test = Receiver port (RFC 8545) as the default destination UDP port number. = STAMP may use destination UDP port number from the Dynamic and/or = Private Ports range 49152-65535.
2) = What is the benefit of STAMO compared to = TWAMP?
GIM>> The work was = driven by several observations, among them:
  • challenges in achieving interoperability among = implementations of TWAMP-Light;
  • industry interest in = standardizing performance monitoring in IP broadband access networks = (TR-390);
  • improve extensibility of IP performance = monitoring tool to support measurements, testing of new metrics and = parameters, e.g., consistency of CoS in the = network. 
3) = Why is there so much MBZ byte?
GIM>> It was agreed to make the symmetrical size of = STAMP test packets the default. RFC 6038 defined it for TWAMP and TR-390 = requires it to be supported by TWAMP-Light = implementations.

Thx
Shahram

On Jul 8, 2019, at 10:17 AM, Greg Mirsky = <gregimirsky@gmail.com> wrote:

Hi = Mirja,
thank you for the suggested text. The new = paragraph now reads as:
      Load = of STAMP test packets offered to a network MUST be carefully
      estimated, and the possible impact on = the existing services MUST
      be = thoroughly analyzed before launching the test session.
      [RFC8085] section 3.1.5 provides = guidance on handling network load
      for = UDP-based protocol.  While the characteristic of test traffic
      depends on the test objective, it is = highly recommended to stay in
      the = limits as provided in [RFC8085].

If it is acceptable, I'd like to upload = the updated version of draft-ieff-ippm-stamp before the cut-off = deadline.

Regards,
Greg

On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind = <ietf@kuehlewind.net> wrote:
Hi Greg,

See below.

> On 8. Jul 2019, at 16:54, Greg Mirsky <gregimirsky@gmail.com> wrote:
>
> Hi Mirja,
> thank you for the reference to RFC 8085. I agree that the document = is very much relevant and a reference to RFC 8085 in STAMP is useful. = While reading Section 3.1.3 I came to think that the discussion and = guidance in other sections of RFC 8085, particularly, Section 3.1.5 = Implications of RTT and Loss Measurements on Congestion Control. Would = adding the reference to that section in the new text proposed for the = Security Considerations section work? I'll put RFC 8085 as Informational = reference as it is BCP.
> NEW TEXT:
>       Load of STAMP test packets offered to a = network MUST be carefully
>       estimated, and the possible impact on the = existing services MUST
>       be thoroughly analyzed using [RFC8085] = and its Section 3.1.5 in
>       particular before launching the test = session..


Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fine = for me. Or you could have a separate sentence like:

=E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network = load for UDP-based protocol. While the characteristic of test traffic = depends on the test objective, it is highly recommended to say in the = limits as provided in RFC8085.=E2=80=9D

Or something similar=E2=80=A6

BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a = downref. However, I think having this as informational ref is fine.

Mirja



>
> Regards,
> Greg
>
> On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote:
> Hi Greg,
>
> Thanks a lot for you reply. Changes are good. I wonder if it would = be useful to provide a reference to RFC8085 because it has a lot of = information about congestion control of UDP based traffic? It recommends = to send not more than 1 packet per 3 seconds (if RTT is unknown). I = guess it doesn=E2=80=99t make sense to require this for testing traffic, = however, it could maybe still be a good recommendation? What do you = think?
>
> Also I=E2=80=99ve just resend my review to the IPPM list, as I = unfortunately cc=E2=80=99ed only the IPPM chairs instead of the whole = list. Can you resend you proposed changes to the list, so other people = are aware of these changes. Sorry for the unconvience.
>
> Mirja
>
>
> > On 6. Jul 2019, at 17:46, Greg Mirsky <gregimirsky@gmail.com> wrote:
> >
> > Hi Mirja,
> > thank you for your thorough review, very pointed and helpful = comments. Please find my responses in-lined and tagged GIM>>. = Attached the diff.
> >
> > Regards,
> > Greg
> >
> > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote:
> > Hi authors, hi all,
> >
> > Thanks for this well-written document and very good shepherd = write-up! I would like discuss one point before I start IETF last = call.
> >
> > I believe this document should say something about network = load and congestion (control). OWAMP and TWAMP discuss quite a bit = sender scheduling, however, as this is a simplified version, so I think = it could at least be good to put a waring in this document that packet = sending should be somehow rate limited. I know it might be hard to = provide more concrete guidance but at least having some discussion or = warning in this document could be good.
> > GIM>>  Thank you for your suggestion. Security = Considerations section points to the fact that STAMP does not include = control and management components:
> >    Because of the control
> >    and management of a STAMP test being outside the = scope of this
> >    specification only the more general requirement = is set:
> > adding the new text here:
> >       Load of STAMP test packets offered = to a network MUST be carefully
> >       estimated, and the possible impact = on the existing services MUST
> >       be thoroughly analyzed before = launching the test session.
> >
> >
> > Another comment: You only say at the very end that a certain = UDP port is used, which implies that STAMP runs over UDP. However, I = think you should mention at the very beginning that this is a UDP-based = protocol. Just to make things crystal clear.
> > GIM>> Adding the reference to "UDP transport" into the = first sentence of Theory of  Operations section:
> >    STAMP Session-Sender transmits test packets over = UDP transport toward STAMP Session-Reflector.
> >
> > Mirja
> >
> > P.S.:
> > Nit: s/This document defines active performance measurement = test protocol/ This document defines an active performance measurement = test protocol/
> > -> =E2=80=9Can=E2=80=9D missing
> > GIM>> Thank you. Done.
> > <Diff_ draft-ietf-ippm-stamp-06.txt - = draft-ietf-ippm-stamp-07..txt.html>
>

_______________________________________________
ippm = mailing list
ippm@ietf.org
https://www.ietf.org/mailman/listinfo/ippm



= --Apple-Mail=_DBC635EA-EB2F-45C6-9705-DECBF34EF526-- From nobody Tue Jul 9 11:56:54 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 09C1812043A; Tue, 9 Jul 2019 11:56:52 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.702 X-Spam-Level: X-Spam-Status: No, score=-0.702 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, PDS_NO_HELO_DNS=1.295, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id WASYpGysY1os; Tue, 9 Jul 2019 11:56:49 -0700 (PDT) Received: from mail-lf1-x132.google.com (mail-lf1-x132.google.com [IPv6:2a00:1450:4864:20::132]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C40D91202A1; Tue, 9 Jul 2019 11:56:48 -0700 (PDT) Received: by mail-lf1-x132.google.com with SMTP id u10so14124854lfm.12; Tue, 09 Jul 2019 11:56:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=391KkCtNdILmQ0hdE1jAPhWSrL1XQ9VbfJlc6cemY00=; b=A4aeqoq7dNIlzFkSVArTDT/+DumnJSE+JSc9s7sla0GC4NTIVRf6xh6lEf2fSqZsLj K8icshckocFChMB9/2QPe8ID4/j2xmm3+j4sDWDbQ+qsIYxBTfa2i+SQgQnEPm25Trqr N0UX9xMjd5WUwV+AGsoNlWzAMnRC8nYrN2MUNziJ8oe2i/y6mxEOZW0DLr0NA7slm6V5 FjJQN0x8znqvawUrlMUhWMZ+7P+LM22dDwoXJ8RT4Jbm8EViCvd/0VnNkgJignnNu5aX 3Zt61VNeuKIirHeIcwgoLvxvKzQif9RTbKlvMOUdUJHVenqL1XRTtjVJlOYXJgJf9Jle DWIQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=391KkCtNdILmQ0hdE1jAPhWSrL1XQ9VbfJlc6cemY00=; b=nHITKrUWIf/1XMQW7K6MBPp0/lDxxyo+FE39vbMJfglx6UEh2ntiXcELy9EW1Hent4 ny44QwIjfVlu2CMjjP77nfyRy8gc7rQaP2fn444ZGOOIivv4yKW6ty5CrkUyAzfabzAw 55eBsBy1v5IOD4pcqPhDlzIYmk88SvD8q3NI0lsX4HpH8bMpD8jBXG+QmYjo8MWT3v+m jAALcvFO0zZEAJXiizZe4WvpZDedrDmJgpZM8muyuMEhAoHQQZJwhxc/pESucEQ1cdp0 nGAbl2exZG3uS6X3lnTXwculcxa9rbY/DM+UAdk/Wbiywt5wt3XBZbL+IE760oJmAgFj tCzQ== X-Gm-Message-State: APjAAAUCCs95ziQ9xvneqI3v4vlCoAkmboyKD6hC8mL/i+fT87BMznsy sptPhyjSQgbbl40m8nHOSD0IqMPnKSxjte+1j3w= X-Google-Smtp-Source: APXvYqzQT2crZmC/VSdvaDCPMLE5qp8JkWIe3gd+W4w9INBBbmeUbk8VaBp2Vp3Yh4FbFyijkYkr+tjNlN5epHfWqn8= X-Received: by 2002:ac2:4243:: with SMTP id m3mr12443490lfl.9.1562698606686; Tue, 09 Jul 2019 11:56:46 -0700 (PDT) MIME-Version: 1.0 References: <11938018-8A65-483B-8176-A6E1C2A265A3@kuehlewind.net> <973C3B90-47B6-4753-9AD4-447F6C7347AA@broadcom.com> In-Reply-To: <973C3B90-47B6-4753-9AD4-447F6C7347AA@broadcom.com> From: Greg Mirsky Date: Tue, 9 Jul 2019 11:56:34 -0700 Message-ID: To: Shahram Davari Cc: Mirja Kuehlewind , IPPM Chairs , IETF IPPM WG , draft-ietf-ippm-stamp@ietf.org Content-Type: multipart/alternative; boundary="00000000000057b815058d441f62" Archived-At: Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2019 18:56:52 -0000 --00000000000057b815058d441f62 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Shahram, and another great question! Yes, there are open issues with the authenticated mode. But, on the other hand, we don't think that STAMP is required to be able to interoperate with TWAMP-Test node in the authenticated mode. Thus, the task of using an extension in STAMP authenticated mode is somewhat less challenging. What do you think? Regards, Greg On Tue, Jul 9, 2019 at 11:20 AM Shahram Davari wrote: > Thanks Greg, > > How about the Authenticated mode packet? should the session start as > unauthenticated first? > > Thx > Shahram > > On Jul 9, 2019, at 10:16 AM, Greg Mirsky wrote: > > Hi Shahram, > excellent question, thank you! > When using STAMP extensions, STAMP Session-Sender must use the basic STAM= P > test packet followed by a TLV. A STAMP Session-Reflector is expected to > compare the value in the Length field of the UDP header with the length o= f > the basic STAMP test packet (44 octets). If the difference is larger than > the length of the UDP header, then the Session-Reflector should process > STAMP TLVs following the basic STAMP test packet. > > Regards, > Greg > > On Tue, Jul 9, 2019 at 9:53 AM Shahram Davari > wrote: > >> Thanks Greg, >> >> How does the receiver distinguish between TWAMP and STAMP if they use th= e >> same UDP Port number? >> >> Thx >> Shahram >> >> On Jul 8, 2019, at 4:14 PM, Greg Mirsky wrote: >> >> Hi Shahram, >> thank you for the review and questions. Please find my answers below >> tagged GIM>>. >> >> Regards, >> Greg >> >> On Mon, Jul 8, 2019 at 2:02 PM Shahram Davari < >> shahram.davari@broadcom.com> wrote: >> >>> HI Greg >>> >>> I read your draft and have the following questions: >>> >>> 1) Does it require any UDP/TCP port number or it reuses the one from >>> TWAMP? if it reuses from TWAMP then how does the receiver differentiat= e >>> between TWAMP and STAMP? >>> >> GIM>> STAMP uses the well-known UDP port number allocated for the >> OWAMP-Test/TWAMP-Test Receiver port (RFC 8545) as the default destinatio= n >> UDP port number. STAMP may use destination UDP port number from the Dyna= mic >> and/or Private Ports range 49152-65535. >> >>> 2) What is the benefit of STAMO compared to TWAMP? >>> >> GIM>> The work was driven by several observations, among them: >> >> - challenges in achieving interoperability among implementations of >> TWAMP-Light; >> - industry interest in standardizing performance monitoring in IP >> broadband access networks (TR-390); >> - improve extensibility of IP performance monitoring tool to support >> measurements, testing of new metrics and parameters, e.g., consistenc= y of >> CoS in the network. >> >> 3) Why is there so much MBZ byte? >>> >> GIM>> It was agreed to make the symmetrical size of STAMP test packets >> the default. RFC 6038 defined it for TWAMP and TR-390 requires it to be >> supported by TWAMP-Light implementations. >> >>> >>> Thx >>> Shahram >>> >>> On Jul 8, 2019, at 10:17 AM, Greg Mirsky wrote: >>> >>> Hi Mirja, >>> thank you for the suggested text. The new paragraph now reads as: >>> Load of STAMP test packets offered to a network MUST be carefully >>> estimated, and the possible impact on the existing services MUST >>> be thoroughly analyzed before launching the test session. >>> [RFC8085] section 3.1.5 provides guidance on handling network loa= d >>> for UDP-based protocol. While the characteristic of test traffic >>> depends on the test objective, it is highly recommended to stay i= n >>> the limits as provided in [RFC8085]. >>> >>> If it is acceptable, I'd like to upload the updated version of >>> draft-ieff-ippm-stamp before the cut-off deadline. >>> >>> Regards, >>> Greg >>> >>> On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind >>> wrote: >>> >>>> Hi Greg, >>>> >>>> See below. >>>> >>>> > On 8. Jul 2019, at 16:54, Greg Mirsky wrote: >>>> > >>>> > Hi Mirja, >>>> > thank you for the reference to RFC 8085. I agree that the document i= s >>>> very much relevant and a reference to RFC 8085 in STAMP is useful. Whi= le >>>> reading Section 3.1.3 I came to think that the discussion and guidance= in >>>> other sections of RFC 8085, particularly, Section 3.1.5 Implications o= f RTT >>>> and Loss Measurements on Congestion Control. Would adding the referenc= e to >>>> that section in the new text proposed for the Security Considerations >>>> section work? I'll put RFC 8085 as Informational reference as it is BC= P. >>>> > NEW TEXT: >>>> > Load of STAMP test packets offered to a network MUST be >>>> carefully >>>> > estimated, and the possible impact on the existing services MU= ST >>>> > be thoroughly analyzed using [RFC8085] and its Section 3.1.5 i= n >>>> > particular before launching the test session.. >>>> >>>> >>>> Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fi= ne for me. Or you >>>> could have a separate sentence like: >>>> >>>> =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network l= oad for >>>> UDP-based protocol. While the characteristic of test traffic depends o= n the >>>> test objective, it is highly recommended to say in the limits as provi= ded >>>> in RFC8085.=E2=80=9D >>>> >>>> Or something similar=E2=80=A6 >>>> >>>> BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a down= ref. >>>> However, I think having this as informational ref is fine. >>>> >>>> Mirja >>>> >>>> >>>> >>>> > >>>> > Regards, >>>> > Greg >>>> > >>>> > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind >>>> wrote: >>>> > Hi Greg, >>>> > >>>> > Thanks a lot for you reply. Changes are good. I wonder if it would b= e >>>> useful to provide a reference to RFC8085 because it has a lot of >>>> information about congestion control of UDP based traffic? It recommen= ds to >>>> send not more than 1 packet per 3 seconds (if RTT is unknown). I guess= it >>>> doesn=E2=80=99t make sense to require this for testing traffic, howeve= r, it could >>>> maybe still be a good recommendation? What do you think? >>>> > >>>> > Also I=E2=80=99ve just resend my review to the IPPM list, as I unfor= tunately >>>> cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can you = resend you >>>> proposed changes to the list, so other people are aware of these chang= es. >>>> Sorry for the unconvience. >>>> > >>>> > Mirja >>>> > >>>> > >>>> > > On 6. Jul 2019, at 17:46, Greg Mirsky >>>> wrote: >>>> > > >>>> > > Hi Mirja, >>>> > > thank you for your thorough review, very pointed and helpful >>>> comments. Please find my responses in-lined and tagged GIM>>. Attached= the >>>> diff. >>>> > > >>>> > > Regards, >>>> > > Greg >>>> > > >>>> > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind < >>>> ietf@kuehlewind.net> wrote: >>>> > > Hi authors, hi all, >>>> > > >>>> > > Thanks for this well-written document and very good shepherd >>>> write-up! I would like discuss one point before I start IETF last call= . >>>> > > >>>> > > I believe this document should say something about network load an= d >>>> congestion (control). OWAMP and TWAMP discuss quite a bit sender >>>> scheduling, however, as this is a simplified version, so I think it co= uld >>>> at least be good to put a waring in this document that packet sending >>>> should be somehow rate limited. I know it might be hard to provide mor= e >>>> concrete guidance but at least having some discussion or warning in th= is >>>> document could be good. >>>> > > GIM>> Thank you for your suggestion. Security Considerations >>>> section points to the fact that STAMP does not include control and >>>> management components: >>>> > > Because of the control >>>> > > and management of a STAMP test being outside the scope of this >>>> > > specification only the more general requirement is set: >>>> > > adding the new text here: >>>> > > Load of STAMP test packets offered to a network MUST be >>>> carefully >>>> > > estimated, and the possible impact on the existing services >>>> MUST >>>> > > be thoroughly analyzed before launching the test session. >>>> > > >>>> > > >>>> > > Another comment: You only say at the very end that a certain UDP >>>> port is used, which implies that STAMP runs over UDP. However, I think= you >>>> should mention at the very beginning that this is a UDP-based protocol= . >>>> Just to make things crystal clear. >>>> > > GIM>> Adding the reference to "UDP transport" into the first >>>> sentence of Theory of Operations section: >>>> > > STAMP Session-Sender transmits test packets over UDP transport >>>> toward STAMP Session-Reflector. >>>> > > >>>> > > Mirja >>>> > > >>>> > > P.S.: >>>> > > Nit: s/This document defines active performance measurement test >>>> protocol/ This document defines an active performance measurement test >>>> protocol/ >>>> > > -> =E2=80=9Can=E2=80=9D missing >>>> > > GIM>> Thank you. Done. >>>> > > >>> draft-ietf-ippm-stamp-07..txt.html> >>>> > >>>> >>>> _______________________________________________ >>> ippm mailing list >>> ippm@ietf.org >>> https://www.ietf.org/mailman/listinfo/ippm >>> >>> >>> >> > --00000000000057b815058d441f62 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Shahram,
and another great question!
Yes,= there are open issues with the authenticated mode. But, on the other hand,= we don't think that STAMP is required to be able to interoperate with = TWAMP-Test node in the authenticated mode. Thus, the task of using an exten= sion in STAMP authenticated mode is somewhat less challenging. What do you = think?

Regards,
Greg

On Tue, Jul 9,= 2019 at 11:20 AM Shahram Davari <shahram.davari@broadcom.com> wrote:
Thanks Greg,

How about the Authenticated mode packet?= should the session start as unauthenticated first?

Thx
Shahram

On Jul 9= , 2019, at 10:16 AM, Greg Mirsky <gregimirsky@gmail.com> wrote:

Hi Shahram,
excellent question, thank you!
When using STAM= P extensions, STAMP Session-Sender must use the basic STAMP test packet fol= lowed by a TLV. A STAMP Session-Reflector is expected to compare the value = in the Length field of the UDP header with the length of the basic STAMP te= st packet (44 octets). If the difference is larger than the length of the U= DP header, then the Session-Reflector should process STAMP TLVs following t= he basic STAMP test packet.

Regards,
Gre= g

On Tue, Jul 9, 2019 at 9:53 AM Shahram Davari <shahram.davari@broadcom.com<= /a>> wrote:
<= div>Thanks Greg,

How does the receiver distinguish betwe= en TWAMP and STAMP if they use the same UDP Port number?

Thx
Shahram


Hi Shahram,
thank yo= u for the review and questions. Please find my answers below tagged GIM>= >.

Regards,
Greg

On Mon, Jul 8, = 2019 at 2:02 PM Shahram Davari <shahram.davari@broadcom.com> wrote:
HI Greg

I read your draft and have the following questions:

=
1) Does it require any UDP/TCP port number or it reuses the one = from TWAMP? if it reuses from TWAMP then =C2=A0how does the receiver differ= entiate between TWAMP and STAMP?
GIM>> S= TAMP uses the well-known UDP port number allocated for the OWAMP-Test/TWAMP= -Test Receiver port (RFC 8545) as the default destination UDP port number. = STAMP may use destination UDP port number from the Dynamic and/or Private P= orts range 49152-65535.
2) What is the benefit of STAMO compared to TWAMP?
GIM>> The work was driven by several observations,= among them:
  • challenges in achieving interoperability amo= ng implementations of TWAMP-Light;
  • industry interest in standardizi= ng performance monitoring in IP broadband access networks (TR-390);
    • improve extensibility of IP performance monitoring tool to support measure= ments, testing of new metrics and parameters, e.g., consistency of CoS in t= he network.=C2=A0
3) Why is there so much MBZ byte?
GIM>> It was agreed to make the symmetrical size of STAMP test = packets the default. RFC 6038 defined it for TWAMP and TR-390 requires it t= o be supported by TWAMP-Light implementations.

Thx
Shahram

On Jul 8, 2019, at 10:17 AM, Greg= Mirsky <greg= imirsky@gmail.com> wrote:

Hi Mirja,
thank you for the suggested t= ext. The new paragraph now reads as:
=C2=A0 =C2=A0 =C2=A0 Load of= STAMP test packets offered to a network MUST be carefully
=C2=A0 =C2=A0= =C2=A0 estimated, and the possible impact on the existing services MUST=C2=A0 =C2=A0 =C2=A0 be thoroughly analyzed before launching the test sess= ion.
=C2=A0 =C2=A0 =C2=A0 [RFC8085] section 3.1.5 provides guidance on h= andling network load
=C2=A0 =C2=A0 =C2=A0 for UDP-based protocol.=C2=A0 = While the characteristic of test traffic
=C2=A0 =C2=A0 =C2=A0 depends on= the test objective, it is highly recommended to stay in
=C2=A0 =C2=A0 = =C2=A0 the limits as provided in [RFC8085].

If= it is acceptable, I'd like to upload the updated version of draft-ieff= -ippm-stamp before the cut-off deadline.

Regards,<= /div>
Greg

On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote:
Hi= Greg,

See below.

> On 8. Jul 2019, at 16:54, Greg Mirsky <gregimirsky@gmail.com> wrote:
>
> Hi Mirja,
> thank you for the reference to RFC 8085. I agree that the document is = very much relevant and a reference to RFC 8085 in STAMP is useful. While re= ading Section 3.1.3 I came to think that the discussion and guidance in oth= er sections of RFC 8085, particularly, Section 3.1.5 Implications of RTT an= d Loss Measurements on Congestion Control. Would adding the reference to th= at section in the new text proposed for the Security Considerations section= work? I'll put RFC 8085 as Informational reference as it is BCP.
> NEW TEXT:
>=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a netw= ork MUST be carefully
>=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on the ex= isting services MUST
>=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed using [RFC8085] and i= ts Section 3.1.5 in
>=C2=A0 =C2=A0 =C2=A0 =C2=A0particular before launching the test session= ..


Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fine fo= r me. Or you could have a separate sentence like:

=E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network load f= or UDP-based protocol. While the characteristic of test traffic depends on = the test objective, it is highly recommended to say in the limits as provid= ed in RFC8085.=E2=80=9D

Or something similar=E2=80=A6

BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a downref. = However, I think having this as informational ref is fine.

Mirja



>
> Regards,
> Greg
>
> On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote: > Hi Greg,
>
> Thanks a lot for you reply. Changes are good. I wonder if it would be = useful to provide a reference to RFC8085 because it has a lot of informatio= n about congestion control of UDP based traffic? It recommends to send not = more than 1 packet per 3 seconds (if RTT is unknown). I guess it doesn=E2= =80=99t make sense to require this for testing traffic, however, it could m= aybe still be a good recommendation? What do you think?
>
> Also I=E2=80=99ve just resend my review to the IPPM list, as I unfortu= nately cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can yo= u resend you proposed changes to the list, so other people are aware of the= se changes. Sorry for the unconvience.
>
> Mirja
>
>
> > On 6. Jul 2019, at 17:46, Greg Mirsky <gregimirsky@gmail.com> wrote: > >
> > Hi Mirja,
> > thank you for your thorough review, very pointed and helpful comm= ents. Please find my responses in-lined and tagged GIM>>. Attached th= e diff.
> >
> > Regards,
> > Greg
> >
> > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind <ietf@kuehlewind.net> wro= te:
> > Hi authors, hi all,
> >
> > Thanks for this well-written document and very good shepherd writ= e-up! I would like discuss one point before I start IETF last call.
> >
> > I believe this document should say something about network load a= nd congestion (control). OWAMP and TWAMP discuss quite a bit sender schedul= ing, however, as this is a simplified version, so I think it could at least= be good to put a waring in this document that packet sending should be som= ehow rate limited. I know it might be hard to provide more concrete guidanc= e but at least having some discussion or warning in this document could be = good.
> > GIM>>=C2=A0 Thank you for your suggestion. Security Conside= rations section points to the fact that STAMP does not include control and = management components:
> >=C2=A0 =C2=A0 Because of the control
> >=C2=A0 =C2=A0 and management of a STAMP test being outside the sco= pe of this
> >=C2=A0 =C2=A0 specification only the more general requirement is s= et:
> > adding the new text here:
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a= network MUST be carefully
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on t= he existing services MUST
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed before launching= the test session.
> >
> >
> > Another comment: You only say at the very end that a certain UDP = port is used, which implies that STAMP runs over UDP. However, I think you = should mention at the very beginning that this is a UDP-based protocol. Jus= t to make things crystal clear.
> > GIM>> Adding the reference to "UDP transport" int= o the first sentence of Theory of=C2=A0 Operations section:
> >=C2=A0 =C2=A0 STAMP Session-Sender transmits test packets over UDP= transport toward STAMP Session-Reflector.
> >
> > Mirja
> >
> > P.S.:
> > Nit: s/This document defines active performance measurement test = protocol/ This document defines an active performance measurement test prot= ocol/
> > -> =E2=80=9Can=E2=80=9D missing
> > GIM>> Thank you. Done.
> > <Diff_ draft-ietf-ippm-stamp-06.txt - draft-ietf-ippm-stamp-07= ..txt.html>
>

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m32sm587101edc.89.2019.07.10.03.45.55 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 10 Jul 2019 03:45:55 -0700 (PDT) Content-Type: multipart/alternative; boundary="Apple-Mail=_E8AA685A-BE70-4455-9AC5-40CA473F78D3" Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\)) From: David Sinicrope In-Reply-To: Date: Wed, 10 Jul 2019 12:45:54 +0200 Cc: IETF IPPM WG , draft-mirsky-ippm-stamp-option-tlv@ietf.org, David Sinicrope Message-Id: <34980825-5D9D-4378-8700-256A239D749F@gmail.com> References: To: Tommy Pauly X-Mailer: Apple Mail (2.3445.104.11) Archived-At: Subject: Re: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tlv X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Jul 2019 10:46:09 -0000 --Apple-Mail=_E8AA685A-BE70-4455-9AC5-40CA473F78D3 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 I support WG adoption of the draft. The issues it addresses are = practical, valid and in need of solution. -Dave > On Jul 9, 2019, at 12:47 AM, Tommy Pauly = wrote: >=20 > Hello IPPM, >=20 > This message begins an adoption call for = draft-mirsky-ippm-stamp-option-tlv, "Simple Two-way Active Measurement = Protocol Optional Extensions=E2=80=9D. The document has been discussed = on the list recently, with good input and reviews from the group. We=E2=80= =99d like to get the working group=E2=80=99s input on if this document = should be adopted and worked on by the group. >=20 > The current status and text of the document can be found here: >=20 > https://datatracker.ietf.org/doc/draft-mirsky-ippm-stamp-option-tlv/ = > https://tools.ietf.org/html/draft-mirsky-ippm-stamp-option-tlv-05 = >=20 > Please respond to this email by Tuesday, July 23 to indicate whether = or not you think IPPM should adopt and work on the extensions and = extension mechanism described in this draft. >=20 > Best, > Tommy (as IPPM co-chair) > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm --Apple-Mail=_E8AA685A-BE70-4455-9AC5-40CA473F78D3 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 I = support WG adoption of the draft.  The issues it addresses are = practical, valid and in need of solution.

-Dave

On Jul 9, 2019, at 12:47 AM, Tommy Pauly <tpauly=3D40apple.com@dmarc.ietf.org> wrote:

Hello = IPPM,

This = message begins an adoption call for draft-mirsky-ippm-stamp-option-tlv, = "Simple Two-way Active Measurement Protocol Optional Extensions=E2=80=9D. = The document has been discussed on the list recently, with good input = and reviews from the group. We=E2=80=99d like to get the working = group=E2=80=99s input on if this document should be adopted and worked = on by the group.

The current status and text of the document can be found = here:

https://datatracker.ietf.org/doc/draft-mirsky-ippm-stamp-option= -tlv/
https://tools.ietf.org/html/draft-mirsky-ippm-stamp-option-tlv-= 05

Please = respond to this email by Tuesday, July 23 to = indicate whether or not you think IPPM should adopt and work on the = extensions and extension mechanism described in this draft.

Best,
Tommy = (as IPPM = co-chair)
_______________________________________________
ippm mailing list
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https://www.ietf.org/mailman/listinfo/ippm

= --Apple-Mail=_E8AA685A-BE70-4455-9AC5-40CA473F78D3-- From nobody Wed Jul 10 03:48:49 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A02EB1201CA; Wed, 10 Jul 2019 03:48:48 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.702 X-Spam-Level: X-Spam-Status: No, score=-0.702 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, PDS_NO_HELO_DNS=1.295, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1i9uVb8rEMGy; Wed, 10 Jul 2019 03:48:46 -0700 (PDT) Received: from mail-ed1-x531.google.com (mail-ed1-x531.google.com [IPv6:2a00:1450:4864:20::531]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 31F31120119; Wed, 10 Jul 2019 03:48:46 -0700 (PDT) Received: by mail-ed1-x531.google.com with SMTP id k8so1712183eds.7; Wed, 10 Jul 2019 03:48:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc:message-id:references :to; bh=VYs94ZCc5CrY7DlErEQ6KIwdVpyPC9wAAvlB7tW8F9Y=; b=CP2ZHse1JZMtEM+CAWKsUbNsCTK7PHsO2yygWfXQYG1EhfaURozEE7gfIeT/Q+q5lp CeG+eygIHJ4Qd+LUyJ1qcOePPkXfJB3CRWw75PkN3lCYlLIL68m6JMQc4mI0XTVd5SLv ijx54NY88OtDM3CAXzS6soPvmaM7ktRKO40Bfc/a/l6UcPbke78CeTZZYMQ2cuqiYHN/ lP+zrIvUsE/p1dvg8ozyn3BNwl74AaO3GmO7KLkI8SA6QUS35dgIgvY+8PAEFt/xksGF oEly90lY3/U9mDsRPE9dFGXzTfadztakx1GeJ0UaS1RfgxI905/mV3GLIzEwQBSwCvvd 2kQg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :message-id:references:to; bh=VYs94ZCc5CrY7DlErEQ6KIwdVpyPC9wAAvlB7tW8F9Y=; b=WZB/eLf4fRm/zyc04KFyYfbkxtZtVAkX8U4qzmNiTbIgG98k6VgE7uhX3aYrvrkKby lnogHW3Iyqal6xLzGXgPNk0uFkhCA0Z+z7TX0mGg7myG2khJNI+GAxrv7jgvprA3mjrL yplfM/8J10vYp/YUps1fKRDPO922XcZBpFi7pgNHvwXaOwFZPV03k7nKknfxXtd999P7 cSUPIUH/c++YW4eLcM884jJFxoybxy0sVr+rC4ipcsonrOGN56xdu9bDimHcQo6lqZ4s LlXXo8LJrBaAhII/0z/+MKKKe2cDLk/sFCUr3LPosd8eZrzCnwCqjs6c8DauPEk3xStQ SCLg== X-Gm-Message-State: APjAAAVne86E/ieWIJ5U/d849sQtqjNg46ZbBjD8Wimb6n+1RbPRWIM3 crBUeC6C6PXV9vPnn3Vfox/AmuVPr/E= X-Google-Smtp-Source: APXvYqw1kAUcwQ5wt/9ulvHoIlTIV82NA34oh1Xk04KJzH7eTVw/obOfTGZsO6d94lkG6VVW/EUw9w== X-Received: by 2002:a17:906:4d89:: with SMTP id s9mr25621499eju.160.1562755724724; Wed, 10 Jul 2019 03:48:44 -0700 (PDT) Received: from [156.106.225.230] ([156.106.225.230]) by smtp.gmail.com with ESMTPSA id h10sm605432ede.93.2019.07.10.03.48.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 10 Jul 2019 03:48:44 -0700 (PDT) Content-Type: multipart/alternative; boundary="Apple-Mail=_3D980694-97FB-4407-97BE-58A5E10D3C2F" Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\)) From: David Sinicrope In-Reply-To: Date: Wed, 10 Jul 2019 12:48:42 +0200 Cc: IETF IPPM WG , draft-mirsky-ippm-stamp-option-tlv@ietf.org Message-Id: <223C64BE-5B73-4876-BAD7-DDEF06285240@gmail.com> References: To: Tommy Pauly X-Mailer: Apple Mail (2.3445.104.11) Archived-At: Subject: Re: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tlv X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Jul 2019 10:48:49 -0000 --Apple-Mail=_3D980694-97FB-4407-97BE-58A5E10D3C2F Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 The Broadband Forum has related work on WT-390i2 - Performance = Measurement between Customer Equipment and IP Edge using STAMP that = intends to make normative reference to this document once it completes = the IETF process. Please let me know if you have any questions. Thanks! Dave Sinicrope IETF Liaison Manager to Broadband Forum > On Jul 9, 2019, at 12:47 AM, Tommy Pauly = wrote: >=20 > Hello IPPM, >=20 > This message begins an adoption call for = draft-mirsky-ippm-stamp-option-tlv, "Simple Two-way Active Measurement = Protocol Optional Extensions=E2=80=9D. The document has been discussed = on the list recently, with good input and reviews from the group. We=E2=80= =99d like to get the working group=E2=80=99s input on if this document = should be adopted and worked on by the group. >=20 > The current status and text of the document can be found here: >=20 > https://datatracker.ietf.org/doc/draft-mirsky-ippm-stamp-option-tlv/ = > https://tools.ietf.org/html/draft-mirsky-ippm-stamp-option-tlv-05 = >=20 > Please respond to this email by Tuesday, July 23 to indicate whether = or not you think IPPM should adopt and work on the extensions and = extension mechanism described in this draft. >=20 > Best, > Tommy (as IPPM co-chair) > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm --Apple-Mail=_3D980694-97FB-4407-97BE-58A5E10D3C2F Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8

The Broadband Forum has = related work on WT-390i2 - Performance Measurement between Customer = Equipment and IP Edge using STAMP that intends to make normative = reference to this document once it completes the IETF process.

Please let me know if = you have any questions.
Thanks!
Dave Sinicrope
IETF Liaison Manager to = Broadband Forum

On Jul 9, 2019, at 12:47 AM, Tommy Pauly = <tpauly=3D40apple.com@dmarc.ietf.org> wrote:

Hello = IPPM,

This = message begins an adoption call for draft-mirsky-ippm-stamp-option-tlv, = "Simple Two-way Active Measurement Protocol Optional Extensions=E2=80=9D. = The document has been discussed on the list recently, with good input = and reviews from the group. We=E2=80=99d like to get the working = group=E2=80=99s input on if this document should be adopted and worked = on by the group.

The current status and text of the document can be found = here:

https://datatracker.ietf.org/doc/draft-mirsky-ippm-stamp-option= -tlv/
https://tools.ietf.org/html/draft-mirsky-ippm-stamp-option-tlv-= 05

Please = respond to this email by Tuesday, July 23 to = indicate whether or not you think IPPM should adopt and work on the = extensions and extension mechanism described in this draft.

Best,
Tommy = (as IPPM = co-chair)
_______________________________________________
ippm mailing list
ippm@ietf.org
https://www.ietf.org/mailman/listinfo/ippm

= --Apple-Mail=_3D980694-97FB-4407-97BE-58A5E10D3C2F-- From nobody Wed Jul 10 04:11:30 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9095C12024E; Wed, 10 Jul 2019 04:11:28 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Dl4eb1mgG43U; Wed, 10 Jul 2019 04:11:23 -0700 (PDT) Received: from wp513.webpack.hosteurope.de (wp513.webpack.hosteurope.de [IPv6:2a01:488:42:1000:50ed:8223::]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6890A120240; Wed, 10 Jul 2019 04:11:23 -0700 (PDT) Received: from [129.192.10.3] (helo=[10.149.0.24]); authenticated by wp513.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) id 1hlAVH-0007Dz-QE; Wed, 10 Jul 2019 13:11:15 +0200 Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\)) From: Mirja Kuehlewind In-Reply-To: Date: Wed, 10 Jul 2019 13:11:15 +0200 Cc: Shahram Davari , draft-ietf-ippm-stamp@ietf.org, IPPM Chairs , IETF IPPM WG Content-Transfer-Encoding: quoted-printable Message-Id: References: <11938018-8A65-483B-8176-A6E1C2A265A3@kuehlewind.net> To: Rakesh Gandhi , Greg Mirsky X-Mailer: Apple Mail (2.3445.104.11) X-bounce-key: webpack.hosteurope.de;ietf@kuehlewind.net;1562757083;88b6dd4f; X-HE-SMSGID: 1hlAVH-0007Dz-QE Archived-At: Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Jul 2019 11:11:29 -0000 Hi Greg, hi Rakesh, I=E2=80=99m just happen to review the turnbis document which has this = text:=20 "In all cases, the server SHOULD only allocate ports from the range 49152 - 65535 (the Dynamic and/or Private Port range [Port-Numbers]), unless the TURN server application knows, through some means not specified here, that other applications running on the same host as the TURN server application will not be impacted by allocating ports outside this range. This condition can often be satisfied by running the TURN server application on a dedicated machine and/or by arranging that any other applications on the machine allocate ports before the TURN server application starts.=E2=80=9D I think something similar could also make sense for STAMP? The MUST in the text below seems quite restrictive also to me. Mirja > On 9. Jul 2019, at 15:11, Rakesh Gandhi = wrote: >=20 > Thanks Greg for the reply. >=20 > In this case, should the draft just state that the Session-Sender can = select destination UDP port number following the guidelines specified in = [RFC6335], instead of specifying following? > Thus STAMP Session-Sender MUST be able to send test > packets to destination UDP port number from the Dynamic and/or > Private Ports range 49152-65535, test management system should find = a > port number that both devices can use. =20 >=20 >=20 > Thanks, > Rakesh >=20 > On Mon, Jul 8, 2019 at 10:07 PM Greg Mirsky = wrote: > Hi Rakesh, > thank you for your question. In my experience, some implementations of = TWAMP-Light have taken the liberty to allow using UDP port numbers = outside the Dynamic/Private range. I believe that is not the right = decision. In the note of IANA's Service Name and Transport Protocol Port = Number Registry we read: >=20 > Service names and port numbers are used to distinguish between = different > services that run over transport protocols such as TCP, UDP, DCCP, = and > SCTP. >=20 > Service names are assigned on a first-come, first-served process, as > documented in [RFC6335]. >=20 > Port numbers are assigned in various ways, based on three ranges: = System > Ports (0-1023), User Ports (1024-49151), and the Dynamic and/or = Private > Ports (49152-65535); the difference uses of these ranges is described = in > [RFC6335]. According to Section 8.1.2 of [RFC6335], System Ports are > assigned by the "IETF Review" or "IESG Approval" procedures described = in > [RFC8126]. User Ports are assigned by IANA using the "IETF Review" = process, > the "IESG Approval" process, or the "Expert Review" process, as per > [RFC6335]. Dynamic Ports are not assigned. >=20 > The registration procedures for service names and port numbers are > described in [RFC6335]. >=20 > Assigned ports both System and User ports SHOULD NOT be used without > or prior to IANA registration. >=20 > My interpretation is that ports in System and User ranges, even if not = yet assigned, must not be used without following the assignment process. = Thus, regardless of whether a number had not yet been assigned to a = service, it must not be used as the destination UDP port number. Also, = consider operational issues if a new service is assigned a new port = number from the User Ports range. One day the number was "free" and = tomorrow it may be assigned. Handling such a scenario will add = complexity while benefits are, in my opinion, questionable. >=20 > Regards, > Greg >=20 > On Mon, Jul 8, 2019 at 5:09 PM Rakesh Gandhi = wrote: > Hi Greg, >=20 > Why limit the UDP port range to 49152-65535? Any free UDP port can be = used, no? >=20 > Thanks, > Rakesh >=20 >=20 > On Mon, Jul 8, 2019 at 7:20 PM Greg Mirsky = wrote: > Hi Shahram, > thank you for the review and questions. Please find my answers below = tagged GIM>>. >=20 > Regards, > Greg >=20 > On Mon, Jul 8, 2019 at 2:02 PM Shahram Davari = wrote: > HI Greg >=20 > I read your draft and have the following questions: >=20 > 1) Does it require any UDP/TCP port number or it reuses the one from = TWAMP? if it reuses from TWAMP then how does the receiver differentiate = between TWAMP and STAMP? > GIM>> STAMP uses the well-known UDP port number allocated for the = OWAMP-Test/TWAMP-Test Receiver port (RFC 8545) as the default = destination UDP port number.. STAMP may use destination UDP port number = from the Dynamic and/or Private Ports range 49152-65535. > 2) What is the benefit of STAMO compared to TWAMP? > GIM>> The work was driven by several observations, among them: > =E2=80=A2 challenges in achieving interoperability among = implementations of TWAMP-Light; > =E2=80=A2 industry interest in standardizing performance = monitoring in IP broadband access networks (TR-390); > =E2=80=A2 improve extensibility of IP performance monitoring = tool to support measurements, testing of new metrics and parameters, = e.g., consistency of CoS in the network.=20 > 3) Why is there so much MBZ byte? > GIM>> It was agreed to make the symmetrical size of STAMP test packets = the default. RFC 6038 defined it for TWAMP and TR-390 requires it to be = supported by TWAMP-Light implementations. >=20 > Thx > Shahram >=20 >> On Jul 8, 2019, at 10:17 AM, Greg Mirsky = wrote: >>=20 >> Hi Mirja, >> thank you for the suggested text. The new paragraph now reads as: >> Load of STAMP test packets offered to a network MUST be = carefully >> estimated, and the possible impact on the existing services = MUST >> be thoroughly analyzed before launching the test session. >> [RFC8085] section 3.1.5 provides guidance on handling network = load >> for UDP-based protocol. While the characteristic of test = traffic >> depends on the test objective, it is highly recommended to stay = in >> the limits as provided in [RFC8085]. >>=20 >> If it is acceptable, I'd like to upload the updated version of = draft-ieff-ippm-stamp before the cut-off deadline. >>=20 >> Regards, >> Greg >>=20 >> On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind = wrote: >> Hi Greg, >>=20 >> See below. >>=20 >> > On 8. Jul 2019, at 16:54, Greg Mirsky = wrote: >> >=20 >> > Hi Mirja, >> > thank you for the reference to RFC 8085. I agree that the document = is very much relevant and a reference to RFC 8085 in STAMP is useful. = While reading Section 3.1.3 I came to think that the discussion and = guidance in other sections of RFC 8085, particularly, Section 3.1.5 = Implications of RTT and Loss Measurements on Congestion Control. Would = adding the reference to that section in the new text proposed for the = Security Considerations section work? I'll put RFC 8085 as Informational = reference as it is BCP. >> > NEW TEXT: >> > Load of STAMP test packets offered to a network MUST be = carefully >> > estimated, and the possible impact on the existing services = MUST >> > be thoroughly analyzed using [RFC8085] and its Section 3.1.5 = in >> > particular before launching the test session... >>=20 >>=20 >> Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise = fine for me. Or you could have a separate sentence like: >>=20 >> =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network = load for UDP-based protocol. While the characteristic of test traffic = depends on the test objective, it is highly recommended to say in the = limits as provided in RFC8085.=E2=80=9D >>=20 >> Or something similar=E2=80=A6 >>=20 >> BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a = downref. However, I think having this as informational ref is fine. >>=20 >> Mirja >>=20 >>=20 >>=20 >> >=20 >> > Regards, >> > Greg >> >=20 >> > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind = wrote: >> > Hi Greg, >> >=20 >> > Thanks a lot for you reply. Changes are good. I wonder if it would = be useful to provide a reference to RFC8085 because it has a lot of = information about congestion control of UDP based traffic? It recommends = to send not more than 1 packet per 3 seconds (if RTT is unknown). I = guess it doesn=E2=80=99t make sense to require this for testing traffic, = however, it could maybe still be a good recommendation? What do you = think? >> >=20 >> > Also I=E2=80=99ve just resend my review to the IPPM list, as I = unfortunately cc=E2=80=99ed only the IPPM chairs instead of the whole = list. Can you resend you proposed changes to the list, so other people = are aware of these changes. Sorry for the unconvience. >> >=20 >> > Mirja >> >=20 >> >=20 >> > > On 6. Jul 2019, at 17:46, Greg Mirsky = wrote: >> > >=20 >> > > Hi Mirja, >> > > thank you for your thorough review, very pointed and helpful = comments. Please find my responses in-lined and tagged GIM>>. Attached = the diff. >> > >=20 >> > > Regards, >> > > Greg >> > >=20 >> > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind = wrote: >> > > Hi authors, hi all, >> > >=20 >> > > Thanks for this well-written document and very good shepherd = write-up! I would like discuss one point before I start IETF last call. >> > >=20 >> > > I believe this document should say something about network load = and congestion (control). OWAMP and TWAMP discuss quite a bit sender = scheduling, however, as this is a simplified version, so I think it = could at least be good to put a waring in this document that packet = sending should be somehow rate limited. I know it might be hard to = provide more concrete guidance but at least having some discussion or = warning in this document could be good. >> > > GIM>> Thank you for your suggestion. Security Considerations = section points to the fact that STAMP does not include control and = management components: >> > > Because of the control >> > > and management of a STAMP test being outside the scope of this >> > > specification only the more general requirement is set: >> > > adding the new text here: >> > > Load of STAMP test packets offered to a network MUST be = carefully >> > > estimated, and the possible impact on the existing services = MUST >> > > be thoroughly analyzed before launching the test session. >> > >=20 >> > >=20 >> > > Another comment: You only say at the very end that a certain UDP = port is used, which implies that STAMP runs over UDP. However, I think = you should mention at the very beginning that this is a UDP-based = protocol. Just to make things crystal clear. >> > > GIM>> Adding the reference to "UDP transport" into the first = sentence of Theory of Operations section: >> > > STAMP Session-Sender transmits test packets over UDP transport = toward STAMP Session-Reflector. >> > >=20 >> > > Mirja >> > >=20 >> > > P.S.: >> > > Nit: s/This document defines active performance measurement test = protocol/ This document defines an active performance measurement test = protocol/ >> > > -> =E2=80=9Can=E2=80=9D missing >> > > GIM>> Thank you. Done.=20 >> > > >> >=20 >>=20 >> _______________________________________________ >> ippm mailing list >> ippm@ietf.org >> https://www.ietf.org/mailman/listinfo/ippm >=20 > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm From nobody Wed Jul 10 06:52:16 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C894012003F for ; Wed, 10 Jul 2019 06:52:13 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.603 X-Spam-Level: X-Spam-Status: No, score=-0.603 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, PDS_NO_HELO_DNS=1.295, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=accedian-com.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id V1FibuajfV30 for ; Wed, 10 Jul 2019 06:52:08 -0700 (PDT) Received: from mail-vs1-xe32.google.com (mail-vs1-xe32.google.com [IPv6:2607:f8b0:4864:20::e32]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5D571120140 for ; Wed, 10 Jul 2019 06:52:08 -0700 (PDT) Received: by mail-vs1-xe32.google.com with SMTP id m23so1555193vso.1 for ; Wed, 10 Jul 2019 06:52:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=accedian-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=wO/xSPYwlFzJewhZ1aIQydmYOW2PSvd8sH1/TUHM3ic=; b=CHOJPj2f6ejOsnQNvYVDQBS5hbsmQcW5j9R3DTI6z++mryBi8AAbWVFLWl8QHchI3E jjARWeRb9PBii/NM37rPxflxlUZMfrkXx/Tj1qlJ+tFFw+DAeMLafOr/11i81kgqtHMc gCuIQWwC0T0Q+qQ3iwheQG+1mYpOVvSz0b2Kri6hhQwAs7YvlcSo3wQLxHaHbV977q+T M9FAp2wREXlUP5RFE71Q5SrtlB4OdO28U1k+Ow3klaoAETvnKvfgxqumn8cpQvsogrbX 6Yy0ttMORD45NNqW+2bnGOW4FqPdjiGnYw1AZbspGoRraaOZVrNDUybYaYwE2pvFzGXe 0xLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=wO/xSPYwlFzJewhZ1aIQydmYOW2PSvd8sH1/TUHM3ic=; b=Eq4v6EpO4gUyXEVg3JYU40n+RgD0pKRuj/KTWdadUN5E6/95YU/gXBZd45J+2GNNG1 OCW83bALnf5stNRymH4ri1EhbiJuWXukpSUGKVSrGQVZ2WdAfV6g9fpxCCj84/6Fhjr8 wPBYGc4SbVeBKMOeS/pe17IqCLQj1EN4ertgyIwb2HwOIdTb8krkGSB4xelIfBumkWdu zhnO5TeKpAtL5L79EtXzkqSvWW8DlAOhAnbmoqchTVn+a3be8sM1hfVOQATnpRIuzyUy FOfK/OlI8TC0+RZEEbRxfl6B680TTs8BvDUvHYqoy/a63LwF1/bcqClxUSuxLrCEGOG6 vcPQ== X-Gm-Message-State: APjAAAXUwWL7Lclb//WZgkOVxomfp3n0QjoMe5FKxfwg0QWk8TQbqGzD a4s038JDFGcqSe++dxR0buDGcbaAU6bTpnHOFWuslPvA2CeRhwGqKLKM70eZ5hD8RN8xwyiI4f8 i9BbdR19+5g== X-Google-Smtp-Source: APXvYqx/AT09aVXsvPHRACawJdMOmkrFD/eN0Oopx6xEPHhMLdIcBSIyN4XlEJ7WOpXNYNE1lypPojts7ZZh3cgWGoE= X-Received: by 2002:a67:e90c:: with SMTP id c12mr17241654vso.97.1562766727174; Wed, 10 Jul 2019 06:52:07 -0700 (PDT) MIME-Version: 1.0 References: <11938018-8A65-483B-8176-A6E1C2A265A3@kuehlewind.net> In-Reply-To: From: Henrik Nydell Date: Wed, 10 Jul 2019 15:51:56 +0200 Message-ID: To: Mirja Kuehlewind Cc: Rakesh Gandhi , Greg Mirsky , Shahram Davari , draft-ietf-ippm-stamp@ietf.org, IPPM Chairs , IETF IPPM WG Content-Type: multipart/alternative; boundary="000000000000a3fa7f058d53fb8a" Archived-At: Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Jul 2019 13:52:14 -0000 --000000000000a3fa7f058d53fb8a Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Just keep in mind that in a typical TWAMP deployment today, which will apply to STAMP eventually, the user typically runs the tests in a private network and thus has control of what protocols run there, and should be allowed to use any UDP source and destination ports as required. This to be able to have simple firewall rules. I dont believe it is up to STAMP to put limitations here, recommendations are good but careful with MUSTs. >From my experience, 30% of users use destination port 862 UDP for TWAMP light (same port number as is used for Twamp control TCP packets), the rest typically a port of 4000 or higher. Source ports are common in the ranges 10000 upwards. This has been seen across many vendors of IP PM. As a side note, To create unique 4-tuples in a single TWAMP light responder, the UDP source port is typically increased at the sender if there is more than one test session between the sender-responder pair. Reason is that TOS(DSCP) is not a good candidate for 5-tuple qualification due to DSCP may be erroneously configured in the network, and for example always be 0 at the responder, this is something TWAMP/STAMP want to detect/report, and not rely on for session identification. On Wed, 10 Jul 2019, 13:11 Mirja Kuehlewind, wrote: > Hi Greg, hi Rakesh, > > I=E2=80=99m just happen to review the turnbis document which has this tex= t: > > "In all cases, the server SHOULD only allocate ports from the range > 49152 - 65535 (the Dynamic and/or Private Port range [Port-Numbers]), > unless the TURN server application knows, through some means not > specified here, that other applications running on the same host as > the TURN server application will not be impacted by allocating ports > outside this range. This condition can often be satisfied by running > the TURN server application on a dedicated machine and/or by > arranging that any other applications on the machine allocate ports > before the TURN server application starts.=E2=80=9D > > I think something similar could also make sense for STAMP? > > The MUST in the text below seems quite restrictive also to me. > > Mirja > > > > > On 9. Jul 2019, at 15:11, Rakesh Gandhi wrote: > > > > Thanks Greg for the reply. > > > > In this case, should the draft just state that the Session-Sender can > select destination UDP port number following the guidelines specified in > [RFC6335], instead of specifying following? > > Thus STAMP Session-Sender MUST be able to send test > > packets to destination UDP port number from the Dynamic and/or > > Private Ports range 49152-65535, test management system should find = a > > port number that both devices can use. > > > > > > Thanks, > > Rakesh > > > > On Mon, Jul 8, 2019 at 10:07 PM Greg Mirsky > wrote: > > Hi Rakesh, > > thank you for your question. In my experience, some implementations of > TWAMP-Light have taken the liberty to allow using UDP port numbers outsid= e > the Dynamic/Private range. I believe that is not the right decision. In t= he > note of IANA's Service Name and Transport Protocol Port Number Registry w= e > read: > > > > Service names and port numbers are used to distinguish between differe= nt > > services that run over transport protocols such as TCP, UDP, DCCP, and > > SCTP. > > > > Service names are assigned on a first-come, first-served process, as > > documented in [RFC6335]. > > > > Port numbers are assigned in various ways, based on three ranges: Syst= em > > Ports (0-1023), User Ports (1024-49151), and the Dynamic and/or Privat= e > > Ports (49152-65535); the difference uses of these ranges is described = in > > [RFC6335]. According to Section 8.1.2 of [RFC6335], System Ports are > > assigned by the "IETF Review" or "IESG Approval" procedures described = in > > [RFC8126]. User Ports are assigned by IANA using the "IETF Review" > process, > > the "IESG Approval" process, or the "Expert Review" process, as per > > [RFC6335]. Dynamic Ports are not assigned. > > > > The registration procedures for service names and port numbers are > > described in [RFC6335]. > > > > Assigned ports both System and User ports SHOULD NOT be used without > > or prior to IANA registration. > > > > My interpretation is that ports in System and User ranges, even if not > yet assigned, must not be used without following the assignment process. > Thus, regardless of whether a number had not yet been assigned to a > service, it must not be used as the destination UDP port number. Also, > consider operational issues if a new service is assigned a new port numbe= r > from the User Ports range. One day the number was "free" and tomorrow it > may be assigned. Handling such a scenario will add complexity while > benefits are, in my opinion, questionable. > > > > Regards, > > Greg > > > > On Mon, Jul 8, 2019 at 5:09 PM Rakesh Gandhi > wrote: > > Hi Greg, > > > > Why limit the UDP port range to 49152-65535? Any free UDP port can be > used, no? > > > > Thanks, > > Rakesh > > > > > > On Mon, Jul 8, 2019 at 7:20 PM Greg Mirsky > wrote: > > Hi Shahram, > > thank you for the review and questions. Please find my answers below > tagged GIM>>. > > > > Regards, > > Greg > > > > On Mon, Jul 8, 2019 at 2:02 PM Shahram Davari < > shahram.davari@broadcom.com> wrote: > > HI Greg > > > > I read your draft and have the following questions: > > > > 1) Does it require any UDP/TCP port number or it reuses the one from > TWAMP? if it reuses from TWAMP then how does the receiver differentiate > between TWAMP and STAMP? > > GIM>> STAMP uses the well-known UDP port number allocated for the > OWAMP-Test/TWAMP-Test Receiver port (RFC 8545) as the default destination > UDP port number.. STAMP may use destination UDP port number from the > Dynamic and/or Private Ports range 49152-65535. > > 2) What is the benefit of STAMO compared to TWAMP? > > GIM>> The work was driven by several observations, among them: > > =E2=80=A2 challenges in achieving interoperability among implemen= tations > of TWAMP-Light; > > =E2=80=A2 industry interest in standardizing performance monitori= ng in IP > broadband access networks (TR-390); > > =E2=80=A2 improve extensibility of IP performance monitoring tool= to > support measurements, testing of new metrics and parameters, e.g., > consistency of CoS in the network. > > 3) Why is there so much MBZ byte? > > GIM>> It was agreed to make the symmetrical size of STAMP test packets > the default. RFC 6038 defined it for TWAMP and TR-390 requires it to be > supported by TWAMP-Light implementations. > > > > Thx > > Shahram > > > >> On Jul 8, 2019, at 10:17 AM, Greg Mirsky wrote= : > >> > >> Hi Mirja, > >> thank you for the suggested text. The new paragraph now reads as: > >> Load of STAMP test packets offered to a network MUST be carefull= y > >> estimated, and the possible impact on the existing services MUST > >> be thoroughly analyzed before launching the test session. > >> [RFC8085] section 3.1.5 provides guidance on handling network lo= ad > >> for UDP-based protocol. While the characteristic of test traffi= c > >> depends on the test objective, it is highly recommended to stay = in > >> the limits as provided in [RFC8085]. > >> > >> If it is acceptable, I'd like to upload the updated version of > draft-ieff-ippm-stamp before the cut-off deadline. > >> > >> Regards, > >> Greg > >> > >> On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind > wrote: > >> Hi Greg, > >> > >> See below. > >> > >> > On 8. Jul 2019, at 16:54, Greg Mirsky wrote: > >> > > >> > Hi Mirja, > >> > thank you for the reference to RFC 8085. I agree that the document i= s > very much relevant and a reference to RFC 8085 in STAMP is useful. While > reading Section 3.1.3 I came to think that the discussion and guidance in > other sections of RFC 8085, particularly, Section 3.1.5 Implications of R= TT > and Loss Measurements on Congestion Control. Would adding the reference t= o > that section in the new text proposed for the Security Considerations > section work? I'll put RFC 8085 as Informational reference as it is BCP. > >> > NEW TEXT: > >> > Load of STAMP test packets offered to a network MUST be > carefully > >> > estimated, and the possible impact on the existing services MU= ST > >> > be thoroughly analyzed using [RFC8085] and its Section 3.1.5 i= n > >> > particular before launching the test session... > >> > >> > >> Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fi= ne for me. Or you > could have a separate sentence like: > >> > >> =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network l= oad for > UDP-based protocol. While the characteristic of test traffic depends on t= he > test objective, it is highly recommended to say in the limits as provided > in RFC8085.=E2=80=9D > >> > >> Or something similar=E2=80=A6 > >> > >> BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a down= ref. > However, I think having this as informational ref is fine. > >> > >> Mirja > >> > >> > >> > >> > > >> > Regards, > >> > Greg > >> > > >> > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind > wrote: > >> > Hi Greg, > >> > > >> > Thanks a lot for you reply. Changes are good. I wonder if it would b= e > useful to provide a reference to RFC8085 because it has a lot of > information about congestion control of UDP based traffic? It recommends = to > send not more than 1 packet per 3 seconds (if RTT is unknown). I guess it > doesn=E2=80=99t make sense to require this for testing traffic, however, = it could > maybe still be a good recommendation? What do you think? > >> > > >> > Also I=E2=80=99ve just resend my review to the IPPM list, as I unfor= tunately > cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can you res= end you > proposed changes to the list, so other people are aware of these changes. > Sorry for the unconvience. > >> > > >> > Mirja > >> > > >> > > >> > > On 6. Jul 2019, at 17:46, Greg Mirsky > wrote: > >> > > > >> > > Hi Mirja, > >> > > thank you for your thorough review, very pointed and helpful > comments. Please find my responses in-lined and tagged GIM>>. Attached th= e > diff. > >> > > > >> > > Regards, > >> > > Greg > >> > > > >> > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind < > ietf@kuehlewind.net> wrote: > >> > > Hi authors, hi all, > >> > > > >> > > Thanks for this well-written document and very good shepherd > write-up! I would like discuss one point before I start IETF last call. > >> > > > >> > > I believe this document should say something about network load an= d > congestion (control). OWAMP and TWAMP discuss quite a bit sender > scheduling, however, as this is a simplified version, so I think it could > at least be good to put a waring in this document that packet sending > should be somehow rate limited. I know it might be hard to provide more > concrete guidance but at least having some discussion or warning in this > document could be good. > >> > > GIM>> Thank you for your suggestion. Security Considerations > section points to the fact that STAMP does not include control and > management components: > >> > > Because of the control > >> > > and management of a STAMP test being outside the scope of this > >> > > specification only the more general requirement is set: > >> > > adding the new text here: > >> > > Load of STAMP test packets offered to a network MUST be > carefully > >> > > estimated, and the possible impact on the existing services > MUST > >> > > be thoroughly analyzed before launching the test session. > >> > > > >> > > > >> > > Another comment: You only say at the very end that a certain UDP > port is used, which implies that STAMP runs over UDP. However, I think yo= u > should mention at the very beginning that this is a UDP-based protocol. > Just to make things crystal clear. > >> > > GIM>> Adding the reference to "UDP transport" into the first > sentence of Theory of Operations section: > >> > > STAMP Session-Sender transmits test packets over UDP transport > toward STAMP Session-Reflector. > >> > > > >> > > Mirja > >> > > > >> > > P.S.: > >> > > Nit: s/This document defines active performance measurement test > protocol/ This document defines an active performance measurement test > protocol/ > >> > > -> =E2=80=9Can=E2=80=9D missing > >> > > GIM>> Thank you. Done. > >> > > draft-ietf-ippm-stamp-07...txt.html> > >> > > >> > >> _______________________________________________ > >> ippm mailing list > >> ippm@ietf.org > >> https://www.ietf.org/mailman/listinfo/ippm > > > > _______________________________________________ > > ippm mailing list > > ippm@ietf.org > > https://www.ietf.org/mailman/listinfo/ippm > > --=20 Avis de confidentialit=C3=A9 Les informations contenues dans le pr=C3=A9sent=20 message et dans toute pi=C3=A8ce qui=20 lui est jointe sont confidentielles et=20 peuvent =C3=AAtre prot=C3=A9g=C3=A9es par le=20 secret professionnel. Ces informations sont=20 =C3=A0 l=E2=80=99usage exclusif de son ou de ses destinataires. Si vous recevez ce=20 message par erreur, veuillez=20 s=E2=80=99il vous plait communiquer imm=C3=A9diatement=20 avec l=E2=80=99exp=C3=A9diteur et en=20 d=C3=A9truire tout exemplaire. De plus, il vous est=20 strictement interdit de=20 le divulguer, de le distribuer ou de le reproduire=20 sans l=E2=80=99autorisation=20 de l=E2=80=99exp=C3=A9diteur. Merci. Confidentiality notice This e-mail message and any attachment hereto contain confidential=20 information=20 which may be privileged and which is intended for the=20 exclusive use of its=20 addressee(s). If you receive this message in error, please inform sender=20 immediately and destroy any copy thereof.=20 Furthermore, any disclosure,=20 distribution or copying of this message=20 and/or any attachment hereto=20 without the consent of the sender is=20 strictly prohibited. Thank you. --000000000000a3fa7f058d53fb8a Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Just keep in mind that in a typical TWAMP deployment toda= y, which will apply to STAMP eventually, the user typically runs the tests = in a private network and thus has control of what protocols run there, and = should be allowed to use any UDP source and destination ports as required. = This to be able to have simple firewall rules. I dont believe it is up to S= TAMP to put limitations here, recommendations are good but careful with MUS= Ts.

From my experience, 30% of= users use destination port 862 UDP for TWAMP light (same port number as is= used for Twamp control TCP packets), the rest typically a port of 4000 or = higher. Source ports are common in the ranges 10000 upwards. This has been = seen across many vendors of IP PM.=C2=A0

<= div dir=3D"auto">As a side note,
To create unique 4-= tuples in a single TWAMP light responder, the UDP source port is typically = increased at the sender if there is more than one test session between the = sender-responder pair. Reason is that TOS(DSCP) is not a good candidate for= 5-tuple qualification due to DSCP may be erroneously configured in the net= work, and for example always be 0 at the responder, this is something TWAMP= /STAMP want to detect/report, and not rely on for session identification.

On Wed, 10 Jul 2019, 13:11 Mirja Kuehlewind, <ietf@kuehlewind.net> wrote:
Hi Greg, hi Rakesh,

I=E2=80=99m just happen to review the turnbis document which has this text:=

"In all cases, the server SHOULD only allocate ports from the range =C2=A0 =C2=A049152 - 65535 (the Dynamic and/or Private Port range [Port-Num= bers]),
=C2=A0 =C2=A0unless the TURN server application knows, through some means n= ot
=C2=A0 =C2=A0specified here, that other applications running on the same ho= st as
=C2=A0 =C2=A0the TURN server application will not be impacted by allocating= ports
=C2=A0 =C2=A0outside this range.=C2=A0 This condition can often be satisfie= d by running
=C2=A0 =C2=A0the TURN server application on a dedicated machine and/or by =C2=A0 =C2=A0arranging that any other applications on the machine allocate = ports
=C2=A0 =C2=A0before the TURN server application starts.=E2=80=9D

I think something similar could also make sense for STAMP?

The MUST in the text below seems quite restrictive also to me.

Mirja



> On 9. Jul 2019, at 15:11, Rakesh Gandhi <rgandhi.ietf@gmail.com= > wrote:
>
> Thanks Greg for the reply.
>
> In this case, should the draft just state that the Session-Sender can = select destination UDP port number following the guidelines specified in [R= FC6335], instead of specifying following?
> Thus STAMP Session-Sender MUST be able to send test
>=C2=A0 =C2=A0 packets to destination UDP port number from the Dynamic a= nd/or
>=C2=A0 =C2=A0 Private Ports range 49152-65535, test management system s= hould find a
>=C2=A0 =C2=A0 port number that both devices can use.=C2=A0
>
>
> Thanks,
> Rakesh
>
> On Mon, Jul 8, 2019 at 10:07 PM Greg Mirsky <gregimirsky@gmail.c= om> wrote:
> Hi Rakesh,
> thank you for your question. In my experience, some implementations of= TWAMP-Light have taken the liberty to allow using UDP port numbers outside= the Dynamic/Private range. I believe that is not the right decision. In th= e note of IANA's Service Name and Transport Protocol Port Number Regist= ry we read:
>
>=C2=A0 Service names and port numbers are used to distinguish between d= ifferent
>=C2=A0 services that run over transport protocols such as TCP, UDP, DCC= P, and
>=C2=A0 SCTP.
>
>=C2=A0 Service names are assigned on a first-come, first-served process= , as
>=C2=A0 documented in [RFC6335].
>
>=C2=A0 Port numbers are assigned in various ways, based on three ranges= : System
>=C2=A0 Ports (0-1023), User Ports (1024-49151), and the Dynamic and/or = Private
>=C2=A0 Ports (49152-65535); the difference uses of these ranges is desc= ribed in
>=C2=A0 [RFC6335]. According to Section 8.1.2 of [RFC6335], System Ports= are
>=C2=A0 assigned by the "IETF Review" or "IESG Approval&q= uot; procedures described in
>=C2=A0 [RFC8126]. User Ports are assigned by IANA using the "IETF = Review" process,
>=C2=A0 the "IESG Approval" process, or the "Expert Revie= w" process, as per
>=C2=A0 [RFC6335]. Dynamic Ports are not assigned.
>
>=C2=A0 The registration procedures for service names and port numbers a= re
>=C2=A0 described in [RFC6335].
>
>=C2=A0 Assigned ports both System and User ports SHOULD NOT be used wit= hout
>=C2=A0 or prior to IANA registration.
>
> My interpretation is that ports in System and User ranges, even if not= yet assigned, must not be used without following the assignment process. T= hus, regardless of whether a number had not yet been assigned to a service,= it must not be used as the destination UDP port number. Also, consider ope= rational issues if a new service is assigned a new port number from the Use= r Ports range. One day the number was "free" and tomorrow it may = be assigned. Handling such a scenario will add complexity while benefits ar= e, in my opinion, questionable.
>
> Regards,
> Greg
>
> On Mon, Jul 8, 2019 at 5:09 PM Rakesh Gandhi <rgandhi.ietf@gmai= l.com> wrote:
> Hi Greg,
>
> Why limit the UDP port range to 49152-65535? Any free UDP port can be = used, no?
>
> Thanks,
> Rakesh
>
>
> On Mon, Jul 8, 2019 at 7:20 PM Greg Mirsky <gregimirsky@gmail.co= m> wrote:
> Hi Shahram,
> thank you for the review and questions. Please find my answers below t= agged GIM>>.
>
> Regards,
> Greg
>
> On Mon, Jul 8, 2019 at 2:02 PM Shahram Davari <shahram.dav= ari@broadcom.com> wrote:
> HI Greg
>
> I read your draft and have the following questions:
>
> 1) Does it require any UDP/TCP port number or it reuses the one from T= WAMP? if it reuses from TWAMP then=C2=A0 how does the receiver differentiat= e between TWAMP and STAMP?
> GIM>> STAMP uses the well-known UDP port number allocated for th= e OWAMP-Test/TWAMP-Test Receiver port (RFC 8545) as the default destination= UDP port number.. STAMP may use destination UDP port number from the Dynam= ic and/or Private Ports range 49152-65535.
> 2) What is the benefit of STAMO compared to TWAMP?
> GIM>> The work was driven by several observations, among them: >=C2=A0 =C2=A0 =C2=A0 =C2=A0=E2=80=A2 challenges in achieving interopera= bility among implementations of TWAMP-Light;
>=C2=A0 =C2=A0 =C2=A0 =C2=A0=E2=80=A2 industry interest in standardizing= performance monitoring in IP broadband access networks (TR-390);
>=C2=A0 =C2=A0 =C2=A0 =C2=A0=E2=80=A2 improve extensibility of IP perfor= mance monitoring tool to support measurements, testing of new metrics and p= arameters, e.g., consistency of CoS in the network.
> 3) Why is there so much MBZ byte?
> GIM>> It was agreed to make the symmetrical size of STAMP test p= ackets the default. RFC 6038 defined it for TWAMP and TR-390 requires it to= be supported by TWAMP-Light implementations.
>
> Thx
> Shahram
>
>> On Jul 8, 2019, at 10:17 AM, Greg Mirsky <gregimirsky@gmail.= com> wrote:
>>
>> Hi Mirja,
>> thank you for the suggested text. The new paragraph now reads as:<= br> >>=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a = network MUST be carefully
>>=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on th= e existing services MUST
>>=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed before launching = the test session.
>>=C2=A0 =C2=A0 =C2=A0 =C2=A0[RFC8085] section 3.1.5 provides guidanc= e on handling network load
>>=C2=A0 =C2=A0 =C2=A0 =C2=A0for UDP-based protocol.=C2=A0 While the = characteristic of test traffic
>>=C2=A0 =C2=A0 =C2=A0 =C2=A0depends on the test objective, it is hig= hly recommended to stay in
>>=C2=A0 =C2=A0 =C2=A0 =C2=A0the limits as provided in [RFC8085].
>>
>> If it is acceptable, I'd like to upload the updated version of= draft-ieff-ippm-stamp before the cut-off deadline.
>>
>> Regards,
>> Greg
>>
>> On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind <ietf@kuehlewi= nd.net> wrote:
>> Hi Greg,
>>
>> See below.
>>
>> > On 8. Jul 2019, at 16:54, Greg Mirsky <gregimirsky@gmai= l.com> wrote:
>> >
>> > Hi Mirja,
>> > thank you for the reference to RFC 8085. I agree that the doc= ument is very much relevant and a reference to RFC 8085 in STAMP is useful.= While reading Section 3.1.3 I came to think that the discussion and guidan= ce in other sections of RFC 8085, particularly, Section 3.1.5 Implications = of RTT and Loss Measurements on Congestion Control. Would adding the refere= nce to that section in the new text proposed for the Security Consideration= s section work? I'll put RFC 8085 as Informational reference as it is B= CP.
>> > NEW TEXT:
>> >=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered = to a network MUST be carefully
>> >=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact = on the existing services MUST
>> >=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed using [RFC80= 85] and its Section 3.1.5 in
>> >=C2=A0 =C2=A0 =C2=A0 =C2=A0particular before launching the tes= t session...
>>
>>
>> Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwis= e fine for me. Or you could have a separate sentence like:
>>
>> =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling netwo= rk load for UDP-based protocol. While the characteristic of test traffic de= pends on the test objective, it is highly recommended to say in the limits = as provided in RFC8085.=E2=80=9D
>>
>> Or something similar=E2=80=A6
>>
>> BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a = downref. However, I think having this as informational ref is fine.
>>
>> Mirja
>>
>>
>>
>> >
>> > Regards,
>> > Greg
>> >
>> > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind <ietf@k= uehlewind.net> wrote:
>> > Hi Greg,
>> >
>> > Thanks a lot for you reply. Changes are good. I wonder if it = would be useful to provide a reference to RFC8085 because it has a lot of i= nformation about congestion control of UDP based traffic? It recommends to = send not more than 1 packet per 3 seconds (if RTT is unknown). I guess it d= oesn=E2=80=99t make sense to require this for testing traffic, however, it = could maybe still be a good recommendation? What do you think?
>> >
>> > Also I=E2=80=99ve just resend my review to the IPPM list, as = I unfortunately cc=E2=80=99ed only the IPPM chairs instead of the whole lis= t. Can you resend you proposed changes to the list, so other people are awa= re of these changes. Sorry for the unconvience.
>> >
>> > Mirja
>> >
>> >
>> > > On 6. Jul 2019, at 17:46, Greg Mirsky <gregimirsky= @gmail.com> wrote:
>> > >
>> > > Hi Mirja,
>> > > thank you for your thorough review, very pointed and hel= pful comments. Please find my responses in-lined and tagged GIM>>. At= tached the diff.
>> > >
>> > > Regards,
>> > > Greg
>> > >
>> > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind <iet= f@kuehlewind.net> wrote:
>> > > Hi authors, hi all,
>> > >
>> > > Thanks for this well-written document and very good shep= herd write-up! I would like discuss one point before I start IETF last call= .
>> > >
>> > > I believe this document should say something about netwo= rk load and congestion (control). OWAMP and TWAMP discuss quite a bit sende= r scheduling, however, as this is a simplified version, so I think it could= at least be good to put a waring in this document that packet sending shou= ld be somehow rate limited. I know it might be hard to provide more concret= e guidance but at least having some discussion or warning in this document = could be good.
>> > > GIM>>=C2=A0 Thank you for your suggestion. Securit= y Considerations section points to the fact that STAMP does not include con= trol and management components:
>> > >=C2=A0 =C2=A0 Because of the control
>> > >=C2=A0 =C2=A0 and management of a STAMP test being outsid= e the scope of this
>> > >=C2=A0 =C2=A0 specification only the more general require= ment is set:
>> > > adding the new text here:
>> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets off= ered to a network MUST be carefully
>> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible im= pact on the existing services MUST
>> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed before = launching the test session.
>> > >
>> > >
>> > > Another comment: You only say at the very end that a cer= tain UDP port is used, which implies that STAMP runs over UDP. However, I t= hink you should mention at the very beginning that this is a UDP-based prot= ocol. Just to make things crystal clear.
>> > > GIM>> Adding the reference to "UDP transport&= quot; into the first sentence of Theory of=C2=A0 Operations section:
>> > >=C2=A0 =C2=A0 STAMP Session-Sender transmits test packets= over UDP transport toward STAMP Session-Reflector.
>> > >
>> > > Mirja
>> > >
>> > > P.S.:
>> > > Nit: s/This document defines active performance measurem= ent test protocol/ This document defines an active performance measurement = test protocol/
>> > > -> =E2=80=9Can=E2=80=9D missing
>> > > GIM>> Thank you. Done.
>> > > <Diff_ draft-ietf-ippm-stamp-06.txt - draft-ietf-ippm= -stamp-07...txt.html>
>> >
>>
>> _______________________________________________
>> ippm mailing list
>> ippm@ietf.org
>> https://www.ietf.org/mailman/listinfo/= ippm
>
> _______________________________________________
> ippm mailing list
> = ippm@ietf.org
> https://www.ietf.org/mailman/listinfo/ippm=


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X-OriginatorOrg: cisco.com X-Outbound-SMTP-Client: 173.37.102.15, xch-rcd-005.cisco.com X-Outbound-Node: rcdn-core-9.cisco.com Archived-At: Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Jul 2019 15:31:43 -0000 --_000_0DF461B139D64C5298643B2974C526C0ciscocom_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 VGhhbmtzIE1pcmphIGFuZCBIZW5yaWsuDQoNCkZXSVcsIEkgYW0gYXdhcmUgb2YgYW4gaW1wbGVt ZW50YXRpb24gb2YgVFdBTVAtTGlnaHQgdGhhdCBkb2VzIG5vdCBwdXQgc3VjaCByYW5nZSBsaW1p dCBvbiB0aGUgZGVzdGluYXRpb24gVURQIHBvcnQgYW5kIGl0IGlzIHVwIHRvIHRoZSBvcGVyYXRv ciB0byBwcm92aXNpb24gYW4gYXBwcm9wcmlhdGUgcG9ydCBudW1iZXIuDQoNClRoYW5rcywNClJh a2VzaA0KDQoNCkZyb206IGlwcG0gPGlwcG0tYm91bmNlc0BpZXRmLm9yZz4gb24gYmVoYWxmIG9m 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(amavisd-new, port 10024) with ESMTP id JlGCza0fkl2y for ; Wed, 10 Jul 2019 08:33:07 -0700 (PDT) Received: from mail-vs1-xe44.google.com (mail-vs1-xe44.google.com [IPv6:2607:f8b0:4864:20::e44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5A8D2120436 for ; Wed, 10 Jul 2019 08:33:07 -0700 (PDT) Received: by mail-vs1-xe44.google.com with SMTP id u124so1805033vsu.2 for ; Wed, 10 Jul 2019 08:33:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=accedian-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=hKaGSrchy6NN/t3eykG4D0dxSqcuFxzuAieV+1qtxZs=; b=FOKYn/AVmf2MjvEshN6IFe6peyzjGjzt8mSa7pkWAs9MzGbf2i/bxtnOW+s+ZQ07CZ DiFf0LjlvUdh04YZp4kSJIXPSCIL5wxjeoQhaxmyurC4AEIXZGpZRrhH4cD9BqdfqYlL 8B6G2jnfYPx+9NNRQM04l9h3zhZ+0S1/qXK3V9FRiGscuTa+AFj4uu46T5NLSImJtNkN 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APXvYqxu5Je0jIxmkCm+04bLormxPkE/oduywUm5hSszivQXlEzJ/r3rh254M3xBoFzwRq2faeS5I/QIVvXOWor2tsA= X-Received: by 2002:a67:eb93:: with SMTP id e19mr1909953vso.208.1562772786165; Wed, 10 Jul 2019 08:33:06 -0700 (PDT) MIME-Version: 1.0 References: <11938018-8A65-483B-8176-A6E1C2A265A3@kuehlewind.net> <0DF461B1-39D6-4C52-9864-3B2974C526C0@cisco.com> In-Reply-To: <0DF461B1-39D6-4C52-9864-3B2974C526C0@cisco.com> From: Henrik Nydell Date: Wed, 10 Jul 2019 17:32:55 +0200 Message-ID: To: "Rakesh Gandhi (rgandhi)" Cc: Mirja Kuehlewind , IPPM Chairs , IETF IPPM WG , "draft-ietf-ippm-stamp@ietf.org" Content-Type: multipart/alternative; boundary="000000000000c8d1d1058d5564c6" Archived-At: Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Jul 2019 15:33:13 -0000 --000000000000c8d1d1058d5564c6 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Yes Rakesh, this is what most, if not all, existing implementations do. There is no restriction on which ports you use, but left to the operators to select. On Wed, Jul 10, 2019 at 5:31 PM Rakesh Gandhi (rgandhi) wrote: > Thanks Mirja and Henrik. > > > > FWIW, I am aware of an implementation of TWAMP-Light that does not put > such range limit on the destination UDP port and it is up to the operator > to provision an appropriate port number. > > > > Thanks, > > Rakesh > > > > > > *From: *ippm on behalf of Henrik Nydell < > hnydell@accedian.com> > *Date: *Wednesday, July 10, 2019 at 9:52 AM > *To: *Mirja Kuehlewind > *Cc: *IPPM Chairs , IETF IPPM WG , " > draft-ietf-ippm-stamp@ietf.org" > *Subject: *Re: [ippm] AD review of draft-ietf-ippm-stamp > > > > Just keep in mind that in a typical TWAMP deployment today, which will > apply to STAMP eventually, the user typically runs the tests in a private > network and thus has control of what protocols run there, and should be > allowed to use any UDP source and destination ports as required. This to = be > able to have simple firewall rules. I dont believe it is up to STAMP to p= ut > limitations here, recommendations are good but careful with MUSTs. > > > > From my experience, 30% of users use destination port 862 UDP for TWAMP > light (same port number as is used for Twamp control TCP packets), the re= st > typically a port of 4000 or higher. Source ports are common in the ranges > 10000 upwards. This has been seen across many vendors of IP PM. > > > > As a side note, > > To create unique 4-tuples in a single TWAMP light responder, the UDP > source port is typically increased at the sender if there is more than on= e > test session between the sender-responder pair. Reason is that TOS(DSCP) = is > not a good candidate for 5-tuple qualification due to DSCP may be > erroneously configured in the network, and for example always be 0 at the > responder, this is something TWAMP/STAMP want to detect/report, and not > rely on for session identification. > > > > On Wed, 10 Jul 2019, 13:11 Mirja Kuehlewind, wrote: > > Hi Greg, hi Rakesh, > > I=E2=80=99m just happen to review the turnbis document which has this tex= t: > > "In all cases, the server SHOULD only allocate ports from the range > 49152 - 65535 (the Dynamic and/or Private Port range [Port-Numbers]), > unless the TURN server application knows, through some means not > specified here, that other applications running on the same host as > the TURN server application will not be impacted by allocating ports > outside this range. This condition can often be satisfied by running > the TURN server application on a dedicated machine and/or by > arranging that any other applications on the machine allocate ports > before the TURN server application starts.=E2=80=9D > > I think something similar could also make sense for STAMP? > > The MUST in the text below seems quite restrictive also to me. > > Mirja > > > > > On 9. Jul 2019, at 15:11, Rakesh Gandhi wrote: > > > > Thanks Greg for the reply. > > > > In this case, should the draft just state that the Session-Sender can > select destination UDP port number following the guidelines specified in > [RFC6335], instead of specifying following? > > Thus STAMP Session-Sender MUST be able to send test > > packets to destination UDP port number from the Dynamic and/or > > Private Ports range 49152-65535, test management system should find = a > > port number that both devices can use. > > > > > > Thanks, > > Rakesh > > > > On Mon, Jul 8, 2019 at 10:07 PM Greg Mirsky > wrote: > > Hi Rakesh, > > thank you for your question. In my experience, some implementations of > TWAMP-Light have taken the liberty to allow using UDP port numbers outsid= e > the Dynamic/Private range. I believe that is not the right decision. In t= he > note of IANA's Service Name and Transport Protocol Port Number Registry w= e > read: > > > > Service names and port numbers are used to distinguish between differe= nt > > services that run over transport protocols such as TCP, UDP, DCCP, and > > SCTP. > > > > Service names are assigned on a first-come, first-served process, as > > documented in [RFC6335]. > > > > Port numbers are assigned in various ways, based on three ranges: Syst= em > > Ports (0-1023), User Ports (1024-49151), and the Dynamic and/or Privat= e > > Ports (49152-65535); the difference uses of these ranges is described = in > > [RFC6335]. According to Section 8.1.2 of [RFC6335], System Ports are > > assigned by the "IETF Review" or "IESG Approval" procedures described = in > > [RFC8126]. User Ports are assigned by IANA using the "IETF Review" > process, > > the "IESG Approval" process, or the "Expert Review" process, as per > > [RFC6335]. Dynamic Ports are not assigned. > > > > The registration procedures for service names and port numbers are > > described in [RFC6335]. > > > > Assigned ports both System and User ports SHOULD NOT be used without > > or prior to IANA registration. > > > > My interpretation is that ports in System and User ranges, even if not > yet assigned, must not be used without following the assignment process. > Thus, regardless of whether a number had not yet been assigned to a > service, it must not be used as the destination UDP port number. Also, > consider operational issues if a new service is assigned a new port numbe= r > from the User Ports range. One day the number was "free" and tomorrow it > may be assigned. Handling such a scenario will add complexity while > benefits are, in my opinion, questionable. > > > > Regards, > > Greg > > > > On Mon, Jul 8, 2019 at 5:09 PM Rakesh Gandhi > wrote: > > Hi Greg, > > > > Why limit the UDP port range to 49152-65535? Any free UDP port can be > used, no? > > > > Thanks, > > Rakesh > > > > > > On Mon, Jul 8, 2019 at 7:20 PM Greg Mirsky > wrote: > > Hi Shahram, > > thank you for the review and questions. Please find my answers below > tagged GIM>>. > > > > Regards, > > Greg > > > > On Mon, Jul 8, 2019 at 2:02 PM Shahram Davari < > shahram.davari@broadcom.com> wrote: > > HI Greg > > > > I read your draft and have the following questions: > > > > 1) Does it require any UDP/TCP port number or it reuses the one from > TWAMP? if it reuses from TWAMP then how does the receiver differentiate > between TWAMP and STAMP? > > GIM>> STAMP uses the well-known UDP port number allocated for the > OWAMP-Test/TWAMP-Test Receiver port (RFC 8545) as the default destination > UDP port number.. STAMP may use destination UDP port number from the > Dynamic and/or Private Ports range 49152-65535. > > 2) What is the benefit of STAMO compared to TWAMP? > > GIM>> The work was driven by several observations, among them: > > =E2=80=A2 challenges in achieving interoperability among implemen= tations > of TWAMP-Light; > > =E2=80=A2 industry interest in standardizing performance monitori= ng in IP > broadband access networks (TR-390); > > =E2=80=A2 improve extensibility of IP performance monitoring tool= to > support measurements, testing of new metrics and parameters, e.g., > consistency of CoS in the network. > > 3) Why is there so much MBZ byte? > > GIM>> It was agreed to make the symmetrical size of STAMP test packets > the default. RFC 6038 defined it for TWAMP and TR-390 requires it to be > supported by TWAMP-Light implementations. > > > > Thx > > Shahram > > > >> On Jul 8, 2019, at 10:17 AM, Greg Mirsky wrote= : > >> > >> Hi Mirja, > >> thank you for the suggested text. The new paragraph now reads as: > >> Load of STAMP test packets offered to a network MUST be carefull= y > >> estimated, and the possible impact on the existing services MUST > >> be thoroughly analyzed before launching the test session. > >> [RFC8085] section 3.1.5 provides guidance on handling network lo= ad > >> for UDP-based protocol. While the characteristic of test traffi= c > >> depends on the test objective, it is highly recommended to stay = in > >> the limits as provided in [RFC8085]. > >> > >> If it is acceptable, I'd like to upload the updated version of > draft-ieff-ippm-stamp before the cut-off deadline. > >> > >> Regards, > >> Greg > >> > >> On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind > wrote: > >> Hi Greg, > >> > >> See below. > >> > >> > On 8. Jul 2019, at 16:54, Greg Mirsky wrote: > >> > > >> > Hi Mirja, > >> > thank you for the reference to RFC 8085. I agree that the document i= s > very much relevant and a reference to RFC 8085 in STAMP is useful. While > reading Section 3.1.3 I came to think that the discussion and guidance in > other sections of RFC 8085, particularly, Section 3.1.5 Implications of R= TT > and Loss Measurements on Congestion Control. Would adding the reference t= o > that section in the new text proposed for the Security Considerations > section work? I'll put RFC 8085 as Informational reference as it is BCP. > >> > NEW TEXT: > >> > Load of STAMP test packets offered to a network MUST be > carefully > >> > estimated, and the possible impact on the existing services MU= ST > >> > be thoroughly analyzed using [RFC8085] and its Section 3.1.5 i= n > >> > particular before launching the test session... > >> > >> > >> Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fi= ne for me. Or you > could have a separate sentence like: > >> > >> =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network l= oad for > UDP-based protocol. While the characteristic of test traffic depends on t= he > test objective, it is highly recommended to say in the limits as provided > in RFC8085.=E2=80=9D > >> > >> Or something similar=E2=80=A6 > >> > >> BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a down= ref. > However, I think having this as informational ref is fine. > >> > >> Mirja > >> > >> > >> > >> > > >> > Regards, > >> > Greg > >> > > >> > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind > wrote: > >> > Hi Greg, > >> > > >> > Thanks a lot for you reply. Changes are good. I wonder if it would b= e > useful to provide a reference to RFC8085 because it has a lot of > information about congestion control of UDP based traffic? It recommends = to > send not more than 1 packet per 3 seconds (if RTT is unknown). I guess it > doesn=E2=80=99t make sense to require this for testing traffic, however, = it could > maybe still be a good recommendation? What do you think? > >> > > >> > Also I=E2=80=99ve just resend my review to the IPPM list, as I unfor= tunately > cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can you res= end you > proposed changes to the list, so other people are aware of these changes. > Sorry for the unconvience. > >> > > >> > Mirja > >> > > >> > > >> > > On 6. Jul 2019, at 17:46, Greg Mirsky > wrote: > >> > > > >> > > Hi Mirja, > >> > > thank you for your thorough review, very pointed and helpful > comments. Please find my responses in-lined and tagged GIM>>. Attached th= e > diff. > >> > > > >> > > Regards, > >> > > Greg > >> > > > >> > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind < > ietf@kuehlewind.net> wrote: > >> > > Hi authors, hi all, > >> > > > >> > > Thanks for this well-written document and very good shepherd > write-up! I would like discuss one point before I start IETF last call.. > >> > > > >> > > I believe this document should say something about network load an= d > congestion (control). OWAMP and TWAMP discuss quite a bit sender > scheduling, however, as this is a simplified version, so I think it could > at least be good to put a waring in this document that packet sending > should be somehow rate limited. I know it might be hard to provide more > concrete guidance but at least having some discussion or warning in this > document could be good. > >> > > GIM>> Thank you for your suggestion. Security Considerations > section points to the fact that STAMP does not include control and > management components: > >> > > Because of the control > >> > > and management of a STAMP test being outside the scope of this > >> > > specification only the more general requirement is set: > >> > > adding the new text here: > >> > > Load of STAMP test packets offered to a network MUST be > carefully > >> > > estimated, and the possible impact on the existing services > MUST > >> > > be thoroughly analyzed before launching the test session. > >> > > > >> > > > >> > > Another comment: You only say at the very end that a certain UDP > port is used, which implies that STAMP runs over UDP. However, I think yo= u > should mention at the very beginning that this is a UDP-based protocol. > Just to make things crystal clear. > >> > > GIM>> Adding the reference to "UDP transport" into the first > sentence of Theory of Operations section: > >> > > STAMP Session-Sender transmits test packets over UDP transport > toward STAMP Session-Reflector. > >> > > > >> > > Mirja > >> > > > >> > > P.S.: > >> > > Nit: s/This document defines active performance measurement test > protocol/ This document defines an active performance measurement test > protocol/ > >> > > -> =E2=80=9Can=E2=80=9D missing > >> > > GIM>> Thank you. Done. > >> > > draft-ietf-ippm-stamp-07...txt.html> > >> > > >> > >> _______________________________________________ > >> ippm mailing list > >> ippm@ietf.org > >> https://www.ietf.org/mailman/listinfo/ippm > > > > _______________________________________________ > > ippm mailing list > > ippm@ietf.org > > https://www.ietf.org/mailman/listinfo/ippm > > > > Avis de confidentialit=C3=A9 > > Les informations contenues dans le pr=C3=A9sent message et dans toute pi= =C3=A8ce qui > lui est jointe sont confidentielles et peuvent =C3=AAtre prot=C3=A9g=C3= =A9es par le secret > professionnel. Ces informations sont =C3=A0 l=E2=80=99usage exclusif de s= on ou de ses > destinataires. Si vous recevez ce message par erreur, veuillez s=E2=80=99= il vous > plait communiquer imm=C3=A9diatement avec l=E2=80=99exp=C3=A9diteur et en= d=C3=A9truire tout > exemplaire. De plus, il vous est strictement interdit de le divulguer, de > le distribuer ou de le reproduire sans l=E2=80=99autorisation de l=E2=80= =99exp=C3=A9diteur. > Merci. > > Confidentiality notice > > This e-mail message and any attachment hereto contain confidential > information which may be privileged and which is intended for the exclusi= ve > use of its addressee(s). If you receive this message in error, please > inform sender immediately and destroy any copy thereof. Furthermore, any > disclosure, distribution or copying of this message and/or any attachment > hereto without the consent of the sender is strictly prohibited. Thank yo= u. > --=20 -- *Henrik Nydell* *Sr Product Manager* 1.866.685.8181 hnydell@accedian.com *accedian.com * --=20 Avis de confidentialit=C3=A9 Les informations contenues dans le pr=C3=A9sent=20 message et dans toute pi=C3=A8ce qui=20 lui est jointe sont confidentielles et=20 peuvent =C3=AAtre prot=C3=A9g=C3=A9es par le=20 secret professionnel. Ces informations sont=20 =C3=A0 l=E2=80=99usage exclusif de son ou de ses destinataires. Si vous recevez ce=20 message par erreur, veuillez=20 s=E2=80=99il vous plait communiquer imm=C3=A9diatement=20 avec l=E2=80=99exp=C3=A9diteur et en=20 d=C3=A9truire tout exemplaire. De plus, il vous est=20 strictement interdit de=20 le divulguer, de le distribuer ou de le reproduire=20 sans l=E2=80=99autorisation=20 de l=E2=80=99exp=C3=A9diteur. Merci. Confidentiality notice This e-mail message and any attachment hereto contain confidential=20 information=20 which may be privileged and which is intended for the=20 exclusive use of its=20 addressee(s). If you receive this message in error, please inform sender=20 immediately and destroy any copy thereof.=20 Furthermore, any disclosure,=20 distribution or copying of this message=20 and/or any attachment hereto=20 without the consent of the sender is=20 strictly prohibited. Thank you. --000000000000c8d1d1058d5564c6 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Yes Rakesh, this is what most, if not all, existing implem= entations do. There is no restriction on which ports you use, but left to t= he operators to select.


=
On Wed, Jul 10, 2019 at 5:31 PM Rakes= h Gandhi (rgandhi) <rgandhi@cisco.c= om> wrote:

Thanks Mirja and Henrik.

=C2=A0

FWIW, I am aware of an implementation of TWAMP-Light= that does not put such range limit on the destination UDP port and it is u= p to the operator to provision an appropriate port number.

=C2=A0

Thanks,

Rakesh

=C2=A0

=C2=A0

From: = ippm <ippm-bounces@ietf.org>= ; on behalf of Henrik Nydell <hnydell@accedian.com>
Date: Wednesday, July 10, 2019 at 9:52 AM
To: Mirja Kuehlewind <ietf@kuehlewind.net>
Cc: IPPM Chairs <ippm-chairs@ietf.org>, IETF IPPM WG <ippm@ietf.org>, "draft-ietf-ippm-st= amp@ietf.org" <draft-ietf-ippm-stamp@ietf.org>
Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp=

=C2=A0

Just keep in mind that in a typical TWAMP deployment= today, which will apply to STAMP eventually, the user typically runs the t= ests in a private network and thus has control of what protocols run there,= and should be allowed to use any UDP source and destination ports as required. This to be able to have simp= le firewall rules. I dont believe it is up to STAMP to put limitations here= , recommendations are good but careful with MUSTs.

=C2=A0

From my experience, 30% of users use destination por= t 862 UDP for TWAMP light (same port number as is used for Twamp control TC= P packets), the rest typically a port of 4000 or higher. Source ports are c= ommon in the ranges 10000 upwards. This has been seen across many vendors of IP PM.=C2=A0

=C2=A0

As a side note,

To create unique 4-tuples in a single TWAMP light re= sponder, the UDP source port is typically increased at the sender if there = is more than one test session between the sender-responder pair. Reason is = that TOS(DSCP) is not a good candidate for 5-tuple qualification due to DSCP may be erroneously configured in the= network, and for example always be 0 at the responder, this is something T= WAMP/STAMP want to detect/report, and not rely on for session identificatio= n.

=C2=A0

On Wed, 10 Jul 2019, 13:11 Mirja Kuehlewind, <ietf@kuehlewind.net> wrote:

Hi Greg, hi Rakesh,

I=E2=80=99m just happen to review the turnbis document which has this text:=

"In all cases, the server SHOULD only allocate ports from the range =C2=A0 =C2=A049152 - 65535 (the Dynamic and/or Private Port range [Port-Num= bers]),
=C2=A0 =C2=A0unless the TURN server application knows, through some means n= ot
=C2=A0 =C2=A0specified here, that other applications running on the same ho= st as
=C2=A0 =C2=A0the TURN server application will not be impacted by allocating= ports
=C2=A0 =C2=A0outside this range.=C2=A0 This condition can often be satisfie= d by running
=C2=A0 =C2=A0the TURN server application on a dedicated machine and/or by =C2=A0 =C2=A0arranging that any other applications on the machine allocate = ports
=C2=A0 =C2=A0before the TURN server application starts.=E2=80=9D

I think something similar could also make sense for STAMP?

The MUST in the text below seems quite restrictive also to me.

Mirja



> On 9. Jul 2019, at 15:11, Rakesh Gandhi <rgandhi.ietf@gmail.com> wrote:
>
> Thanks Greg for the reply.
>
> In this case, should the draft just state that the Session-Sender can = select destination UDP port number following the guidelines specified in [R= FC6335], instead of specifying following?
> Thus STAMP Session-Sender MUST be able to send test
>=C2=A0 =C2=A0 packets to destination UDP port number from the Dynamic a= nd/or
>=C2=A0 =C2=A0 Private Ports range 49152-65535, test management system s= hould find a
>=C2=A0 =C2=A0 port number that both devices can use.=C2=A0
>
>
> Thanks,
> Rakesh
>
> On Mon, Jul 8, 2019 at 10:07 PM Greg Mirsky <gregimirsky@gmail.com> wrote: > Hi Rakesh,
> thank you for your question. In my experience, some implementations of= TWAMP-Light have taken the liberty to allow using UDP port numbers outside= the Dynamic/Private range. I believe that is not the right decision. In th= e note of IANA's Service Name and Transport Protocol Port Number Registry we read:
>
>=C2=A0 Service names and port numbers are used to distinguish between d= ifferent
>=C2=A0 services that run over transport protocols such as TCP, UDP, DCC= P, and
>=C2=A0 SCTP.
>
>=C2=A0 Service names are assigned on a first-come, first-served process= , as
>=C2=A0 documented in [RFC6335].
>
>=C2=A0 Port numbers are assigned in various ways, based on three ranges= : System
>=C2=A0 Ports (0-1023), User Ports (1024-49151), and the Dynamic and/or = Private
>=C2=A0 Ports (49152-65535); the difference uses of these ranges is desc= ribed in
>=C2=A0 [RFC6335]. According to Section 8.1.2 of [RFC6335], System Ports= are
>=C2=A0 assigned by the "IETF Review" or "IESG Approval&q= uot; procedures described in
>=C2=A0 [RFC8126]. User Ports are assigned by IANA using the "IETF = Review" process,
>=C2=A0 the "IESG Approval" process, or the "Expert Revie= w" process, as per
>=C2=A0 [RFC6335]. Dynamic Ports are not assigned.
>
>=C2=A0 The registration procedures for service names and port numbers a= re
>=C2=A0 described in [RFC6335].
>
>=C2=A0 Assigned ports both System and User ports SHOULD NOT be used wit= hout
>=C2=A0 or prior to IANA registration.
>
> My interpretation is that ports in System and User ranges, even if not= yet assigned, must not be used without following the assignment process. T= hus, regardless of whether a number had not yet been assigned to a service,= it must not be used as the destination UDP port number. Also, consider operational issues if a new service is ass= igned a new port number from the User Ports range. One day the number was &= quot;free" and tomorrow it may be assigned. Handling such a scenario w= ill add complexity while benefits are, in my opinion, questionable.
>
> Regards,
> Greg
>
> On Mon, Jul 8, 2019 at 5:09 PM Rakesh Gandhi <rgandhi.ietf@gmail.com> wrote= :
> Hi Greg,
>
> Why limit the UDP port range to 49152-65535? Any free UDP port can be = used, no?
>
> Thanks,
> Rakesh
>
>
> On Mon, Jul 8, 2019 at 7:20 PM Greg Mirsky <gregimirsky@gmail.com> wrote: > Hi Shahram,
> thank you for the review and questions. Please find my answers below t= agged GIM>>.
>
> Regards,
> Greg
>
> On Mon, Jul 8, 2019 at 2:02 PM Shahram Davari <shahram.davari@broadcom.com> wrote:
> HI Greg
>
> I read your draft and have the following questions:
>
> 1) Does it require any UDP/TCP port number or it reuses the one from T= WAMP? if it reuses from TWAMP then=C2=A0 how does the receiver differentiat= e between TWAMP and STAMP?
> GIM>> STAMP uses the well-known UDP port number allocated for th= e OWAMP-Test/TWAMP-Test Receiver port (RFC 8545) as the default destination= UDP port number.. STAMP may use destination UDP port number from the Dynam= ic and/or Private Ports range 49152-65535.
> 2) What is the benefit of STAMO compared to TWAMP?
> GIM>> The work was driven by several observations, among them: >=C2=A0 =C2=A0 =C2=A0 =C2=A0=E2=80=A2 challenges in achieving interopera= bility among implementations of TWAMP-Light;
>=C2=A0 =C2=A0 =C2=A0 =C2=A0=E2=80=A2 industry interest in standardizing= performance monitoring in IP broadband access networks (TR-390);
>=C2=A0 =C2=A0 =C2=A0 =C2=A0=E2=80=A2 improve extensibility of IP perfor= mance monitoring tool to support measurements, testing of new metrics and p= arameters, e.g., consistency of CoS in the network.
> 3) Why is there so much MBZ byte?
> GIM>> It was agreed to make the symmetrical size of STAMP test p= ackets the default. RFC 6038 defined it for TWAMP and TR-390 requires it to= be supported by TWAMP-Light implementations.
>
> Thx
> Shahram
>
>> On Jul 8, 2019, at 10:17 AM, Greg Mirsky <gregimirsky@gmail.com> wrote:<= br> >>
>> Hi Mirja,
>> thank you for the suggested text. The new paragraph now reads as:<= br> >>=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a = network MUST be carefully
>>=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on th= e existing services MUST
>>=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed before launching = the test session.
>>=C2=A0 =C2=A0 =C2=A0 =C2=A0[RFC8085] section 3.1.5 provides guidanc= e on handling network load
>>=C2=A0 =C2=A0 =C2=A0 =C2=A0for UDP-based protocol.=C2=A0 While the = characteristic of test traffic
>>=C2=A0 =C2=A0 =C2=A0 =C2=A0depends on the test objective, it is hig= hly recommended to stay in
>>=C2=A0 =C2=A0 =C2=A0 =C2=A0the limits as provided in [RFC8085].
>>
>> If it is acceptable, I'd like to upload the updated version of= draft-ieff-ippm-stamp before the cut-off deadline.
>>
>> Regards,
>> Greg
>>
>> On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrot= e:
>> Hi Greg,
>>
>> See below.
>>
>> > On 8. Jul 2019, at 16:54, Greg Mirsky <gregimirsky@gmail.com> wrote= :
>> >
>> > Hi Mirja,
>> > thank you for the reference to RFC 8085. I agree that the doc= ument is very much relevant and a reference to RFC 8085 in STAMP is useful.= While reading Section 3.1.3 I came to think that the discussion and guidan= ce in other sections of RFC 8085, particularly, Section 3.1.5 Implications of RTT and Loss Measurements on Congestion Cont= rol. Would adding the reference to that section in the new text proposed fo= r the Security Considerations section work? I'll put RFC 8085 as Inform= ational reference as it is BCP.
>> > NEW TEXT:
>> >=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered = to a network MUST be carefully
>> >=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact = on the existing services MUST
>> >=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed using [RFC80= 85] and its Section 3.1.5 in
>> >=C2=A0 =C2=A0 =C2=A0 =C2=A0particular before launching the tes= t session...
>>
>>
>> Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwis= e fine for me. Or you could have a separate sentence like:
>>
>> =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling netwo= rk load for UDP-based protocol. While the characteristic of test traffic de= pends on the test objective, it is highly recommended to say in the limits = as provided in RFC8085.=E2=80=9D
>>
>> Or something similar=E2=80=A6
>>
>> BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a = downref. However, I think having this as informational ref is fine.
>>
>> Mirja
>>
>>
>>
>> >
>> > Regards,
>> > Greg
>> >
>> > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind <ietf@kuehlewind.net&g= t; wrote:
>> > Hi Greg,
>> >
>> > Thanks a lot for you reply. Changes are good. I wonder if it = would be useful to provide a reference to RFC8085 because it has a lot of i= nformation about congestion control of UDP based traffic? It recommends to = send not more than 1 packet per 3 seconds (if RTT is unknown). I guess it doesn=E2=80=99t make sense to require this= for testing traffic, however, it could maybe still be a good recommendatio= n? What do you think?
>> >
>> > Also I=E2=80=99ve just resend my review to the IPPM list, as = I unfortunately cc=E2=80=99ed only the IPPM chairs instead of the whole lis= t. Can you resend you proposed changes to the list, so other people are awa= re of these changes. Sorry for the unconvience.
>> >
>> > Mirja
>> >
>> >
>> > > On 6. Jul 2019, at 17:46, Greg Mirsky <gregimirsky@gmail.com> = wrote:
>> > >
>> > > Hi Mirja,
>> > > thank you for your thorough review, very pointed and hel= pful comments. Please find my responses in-lined and tagged GIM>>. At= tached the diff.
>> > >
>> > > Regards,
>> > > Greg
>> > >
>> > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote:
>> > > Hi authors, hi all,
>> > >
>> > > Thanks for this well-written document and very good shep= herd write-up! I would like discuss one point before I start IETF last call= ..
>> > >
>> > > I believe this document should say something about netwo= rk load and congestion (control). OWAMP and TWAMP discuss quite a bit sende= r scheduling, however, as this is a simplified version, so I think it could= at least be good to put a waring in this document that packet sending should be somehow rate limited. I know it might be har= d to provide more concrete guidance but at least having some discussion or = warning in this document could be good.
>> > > GIM>>=C2=A0 Thank you for your suggestion. Securit= y Considerations section points to the fact that STAMP does not include con= trol and management components:
>> > >=C2=A0 =C2=A0 Because of the control
>> > >=C2=A0 =C2=A0 and management of a STAMP test being outsid= e the scope of this
>> > >=C2=A0 =C2=A0 specification only the more general require= ment is set:
>> > > adding the new text here:
>> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets off= ered to a network MUST be carefully
>> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible im= pact on the existing services MUST
>> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed before = launching the test session.
>> > >
>> > >
>> > > Another comment: You only say at the very end that a cer= tain UDP port is used, which implies that STAMP runs over UDP. However, I t= hink you should mention at the very beginning that this is a UDP-based prot= ocol. Just to make things crystal clear.
>> > > GIM>> Adding the reference to "UDP transport&= quot; into the first sentence of Theory of=C2=A0 Operations section:
>> > >=C2=A0 =C2=A0 STAMP Session-Sender transmits test packets= over UDP transport toward STAMP Session-Reflector.
>> > >
>> > > Mirja
>> > >
>> > > P.S.:
>> > > Nit: s/This document defines active performance measurem= ent test protocol/ This document defines an active performance measurement = test protocol/
>> > > -> =E2=80=9Can=E2=80=9D missing
>> > > GIM>> Thank you. Done.
>> > > <Diff_ draft-ietf-ippm-stamp-06.txt - draft-ietf-ippm= -stamp-07...txt.html>
>> >
>>
>> _______________________________________________
>> ippm mailing list
>> ippm@ietf.org
>> https://www.ietf.org/mailman/listinfo/ippm
>
> _______________________________________________
> ippm mailing list
> ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm

=C2=A0

Avis de confidentialit=C3= =A9

Les informations contenue= s dans le pr=C3=A9sent message et dans toute pi=C3=A8ce qui lui est jointe = sont confidentielles et peuvent =C3=AAtre prot=C3=A9g=C3=A9es par le secret= professionnel. Ces informations sont =C3=A0 l=E2=80=99usage exclusif de so= n ou de ses destinataires. Si vous recevez ce message par erreur, veuillez s= =E2=80=99il vous plait communiquer imm=C3=A9diatement avec l=E2=80=99exp=C3= =A9diteur et en d=C3=A9truire tout exemplaire. De plus, il vous est stricte= ment interdit de le divulguer, de le distribuer ou de le reproduire sans l=E2=80=99autorisation de l=E2=80=99exp=C3=A9diteur. Merci.=

Confidentiality notice

This e-mail message and any attachment h= ereto contain confidential information which may be privileged and which is= intended for the exclusive use of its addressee(s). If you receive this me= ssage in error, please inform sender immediately and destroy any copy thereof. Furthermore, any disclosure, dis= tribution or copying of this message and/or any attachment hereto without t= he consent of the sender is strictly prohibited. Thank you.



--
--
Henrik Nydell=
Sr Product Manager
1.866.685.8181
hnydell@accedian.= com
3D""
=3D""=C2=A03D""=C2=A03D""
3D""
accedian.com=

Avis de confidentialit=C3=A9

Les informations contenues dans le pr=C3=A9sent message et dans toute pi=C3=A8= ce qui=20 lui est jointe sont confidentielles et peuvent =C3=AAtre prot=C3=A9g=C3=A9e= s par le=20 secret professionnel. Ces informations sont =C3=A0 l=E2=80=99usage exclusif= de son ou de ses destinataires. Si vous recevez ce message par erreur, veuillez=20 s=E2=80=99il vous plait communiquer imm=C3=A9diatement avec l=E2=80=99exp= =C3=A9diteur et en=20 d=C3=A9truire tout exemplaire. De plus, il vous est strictement interdit de= =20 le divulguer, de le distribuer ou de le reproduire sans l=E2=80=99autorisat= ion=20 de l=E2=80=99exp=C3=A9diteur. Merci.

Confidentiality notice

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h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=LLiOkSRrYb4ERnybPw7RV0OZ2isCDXkQqpWF49tcFfY=; b=A22x/9s741g5Lx57zKs3NwZZzGpjyYf5pRV0bcH/tH0jpTJOya1n9rWgpsN+6gYKxn M4n1qPzxNfKO+Zy+uI4KQ9vxAyGCgen1rETu6J9a421qgkIDIbXkAFuhMrl5XExOkYme VMIl8rD+K85lsvt/VVk/8mDUDbSU/sRKz+vMHa9+KyeveYhi+8sKcobBJCJaDtQtYePo hfb0N1cshncM0DyBnqb1Bfx5deM0MBrmWHpuq4UQIbv7+9IHXN8j8FHFEgSh9dBwYrWm mF3fICw/32GvVZ/Q48bgOvAnS6G8SMkPiEigK2q0v8VMTf1MpuOdyduWdiObCOWuOYx9 +dNA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=LLiOkSRrYb4ERnybPw7RV0OZ2isCDXkQqpWF49tcFfY=; b=LPHILGLETAVTJhag/b1njPqlazCvji7vvdJ6aP8pSFje+q0EDUACJK/qns2F5vZBOG jpCiOtG4QGenO02mn1nlRgH5HYDlaBrQsL9S18fyXHa8cqFX8HUTyhrtwcERhd6ZkT61 renrtnNuKEt6asgoUS2cfJSiJDBGgayKhUeYSpQoiF7CjFIY2kckgPfHFGy61dMlq1JP SczWtYy0IzuHIshnMq8LnSdEhO1X9gTcfq3ipzcsQrYPE7xqQ7Ez1rLitWBplaeE401l 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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Jul 2019 23:01:17 -0000 --000000000000424726058d5ba77d Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Rakesh, yes, you're right. I've responded to your thoughtful questions but was late to upload the updated version of the draft. Will do that as soon as I can. Regards, Greg On Wed, Jul 10, 2019 at 10:57 AM Rakesh Gandhi (rgandhi) wrote: > Hi Greg, > > > > I do not see the procedure you mentioned below in the draft. There is onl= y > one sentence for TLV in the draft as below. > > > > And if any of TLV-based STAMP extensions are used, the TWAMP Light > Session-Reflector will view them as Packet Padding field. > > > > Am I missing something? > > > > Thanks, > > Rakesh > > > > > > *From: *ippm on behalf of Greg Mirsky < > gregimirsky@gmail.com> > *Date: *Tuesday, July 9, 2019 at 1:17 PM > *To: *Shahram Davari > *Cc: *"draft-ietf-ippm-stamp@ietf.org" , > IPPM Chairs , Mirja Kuehlewind , > IETF IPPM WG > *Subject: *Re: [ippm] AD review of draft-ietf-ippm-stamp > > > > Hi Shahram, > > excellent question, thank you! > > When using STAMP extensions, STAMP Session-Sender must use the basic STAM= P > test packet followed by a TLV. A STAMP Session-Reflector is expected to > compare the value in the Length field of the UDP header with the length o= f > the basic STAMP test packet (44 octets). If the difference is larger than > the length of the UDP header, then the Session-Reflector should process > STAMP TLVs following the basic STAMP test packet. > > > > Regards, > > Greg > > > > On Tue, Jul 9, 2019 at 9:53 AM Shahram Davari > wrote: > > Thanks Greg, > > > > How does the receiver distinguish between TWAMP and STAMP if they use the > same UDP Port number? > > > > Thx > > Shahram > > > > On Jul 8, 2019, at 4:14 PM, Greg Mirsky > wrote: > > > > Hi Shahram, > > thank you for the review and questions. Please find my answers below > tagged GIM>>. > > > > Regards, > > Greg > > > > On Mon, Jul 8, 2019 at 2:02 PM Shahram Davari > wrote: > > HI Greg > > > > I read your draft and have the following questions: > > > > 1) Does it require any UDP/TCP port number or it reuses the one from > TWAMP? if it reuses from TWAMP then how does the receiver differentiate > between TWAMP and STAMP? > > GIM>> STAMP uses the well-known UDP port number allocated for the > OWAMP-Test/TWAMP-Test Receiver port (RFC 8545) as the default destination > UDP port number. STAMP may use destination UDP port number from the Dynam= ic > and/or Private Ports range 49152-65535. > > 2) What is the benefit of STAMO compared to TWAMP? > > GIM>> The work was driven by several observations, among them: > > - challenges in achieving interoperability among implementations of > TWAMP-Light; > - industry interest in standardizing performance monitoring in IP > broadband access networks (TR-390); > - improve extensibility of IP performance monitoring tool to support > measurements, testing of new metrics and parameters, e.g., consistency= of > CoS in the network. > > 3) Why is there so much MBZ byte? > > GIM>> It was agreed to make the symmetrical size of STAMP test packets th= e > default. RFC 6038 defined it for TWAMP and TR-390 requires it to be > supported by TWAMP-Light implementations. > > > > Thx > > Shahram > > > > On Jul 8, 2019, at 10:17 AM, Greg Mirsky wrote: > > > > Hi Mirja, > > thank you for the suggested text. The new paragraph now reads as: > > Load of STAMP test packets offered to a network MUST be carefully > estimated, and the possible impact on the existing services MUST > be thoroughly analyzed before launching the test session. > [RFC8085] section 3.1.5 provides guidance on handling network load > for UDP-based protocol. While the characteristic of test traffic > depends on the test objective, it is highly recommended to stay in > the limits as provided in [RFC8085]. > > > > If it is acceptable, I'd like to upload the updated version of > draft-ieff-ippm-stamp before the cut-off deadline. > > > > Regards, > > Greg > > > > On Mon, Jul 8, 2019 at 8:58 AM Mirja Kuehlewind > wrote: > > Hi Greg, > > See below. > > > On 8. Jul 2019, at 16:54, Greg Mirsky wrote: > > > > Hi Mirja, > > thank you for the reference to RFC 8085. I agree that the document is > very much relevant and a reference to RFC 8085 in STAMP is useful. While > reading Section 3.1.3 I came to think that the discussion and guidance in > other sections of RFC 8085, particularly, Section 3.1.5 Implications of R= TT > and Loss Measurements on Congestion Control. Would adding the reference t= o > that section in the new text proposed for the Security Considerations > section work? I'll put RFC 8085 as Informational reference as it is BCP. > > NEW TEXT: > > Load of STAMP test packets offered to a network MUST be carefully > > estimated, and the possible impact on the existing services MUST > > be thoroughly analyzed using [RFC8085] and its Section 3.1.5 in > > particular before launching the test session... > > > Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fine = for me. Or you > could have a separate sentence like: > > =E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network load= for > UDP-based protocol. While the characteristic of test traffic depends on t= he > test objective, it is highly recommended to say in the limits as provided > in RFC8085.=E2=80=9D > > Or something similar=E2=80=A6 > > BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a downref= . > However, I think having this as informational ref is fine. > > Mirja > > > > > > > Regards, > > Greg > > > > On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind > wrote: > > Hi Greg, > > > > Thanks a lot for you reply. Changes are good. I wonder if it would be > useful to provide a reference to RFC8085 because it has a lot of > information about congestion control of UDP based traffic? It recommends = to > send not more than 1 packet per 3 seconds (if RTT is unknown). I guess it > doesn=E2=80=99t make sense to require this for testing traffic, however, = it could > maybe still be a good recommendation? What do you think? > > > > Also I=E2=80=99ve just resend my review to the IPPM list, as I unfortun= ately > cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can you res= end you > proposed changes to the list, so other people are aware of these changes. > Sorry for the unconvience. > > > > Mirja > > > > > > > On 6. Jul 2019, at 17:46, Greg Mirsky wrote: > > > > > > Hi Mirja, > > > thank you for your thorough review, very pointed and helpful comments= . > Please find my responses in-lined and tagged GIM>>. Attached the diff. > > > > > > Regards, > > > Greg > > > > > > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind > wrote: > > > Hi authors, hi all, > > > > > > Thanks for this well-written document and very good shepherd write-up= ! > I would like discuss one point before I start IETF last call. > > > > > > I believe this document should say something about network load and > congestion (control). OWAMP and TWAMP discuss quite a bit sender > scheduling, however, as this is a simplified version, so I think it could > at least be good to put a waring in this document that packet sending > should be somehow rate limited. I know it might be hard to provide more > concrete guidance but at least having some discussion or warning in this > document could be good. > > > GIM>> Thank you for your suggestion. Security Considerations section > points to the fact that STAMP does not include control and management > components: > > > Because of the control > > > and management of a STAMP test being outside the scope of this > > > specification only the more general requirement is set: > > > adding the new text here: > > > Load of STAMP test packets offered to a network MUST be careful= ly > > > estimated, and the possible impact on the existing services MUS= T > > > be thoroughly analyzed before launching the test session. > > > > > > > > > Another comment: You only say at the very end that a certain UDP port > is used, which implies that STAMP runs over UDP. However, I think you > should mention at the very beginning that this is a UDP-based protocol. > Just to make things crystal clear. > > > GIM>> Adding the reference to "UDP transport" into the first sentence > of Theory of Operations section: > > > STAMP Session-Sender transmits test packets over UDP transport > toward STAMP Session-Reflector. > > > > > > Mirja > > > > > > P.S.: > > > Nit: s/This document defines active performance measurement test > protocol/ This document defines an active performance measurement test > protocol/ > > > -> =E2=80=9Can=E2=80=9D missing > > > GIM>> Thank you. Done. > > > draft-ietf-ippm-stamp-07...txt.html> > > > > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm > > > > > > --000000000000424726058d5ba77d Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Rakesh,
yes, you're right. I've responded t= o your thoughtful questions but was late to upload the updated version of t= he draft. Will do that as soon as=C2=A0I can.

Rega= rds,
Greg

On Wed, Jul 10, 2019 at 10:57 AM Rakesh Gandhi (rg= andhi) <rgandhi@cisco.com> w= rote:

Hi Greg,

=C2=A0

I do not see the procedure you mentioned below in th= e draft. There is only one sentence for TLV in the draft as below.

=C2=A0

And if any of TLV-based STAMP extensions are used, the TWAMP= Light Session-Reflector will view them as Packet Padding field.

=C2=A0

Am I missing something?

=C2=A0

Thanks,

Rakesh

=C2=A0

=C2=A0

From: = ippm <ippm-bounces@ietf.org>= ; on behalf of Greg Mirsky <gregimirsky@gmail.com>
Date: Tuesday, July 9, 2019 at 1:17 PM
To: Shahram Davari <shahram.davari@broadcom.com>
Cc: "draft-ietf-ippm-stamp@ietf.org" <draft-ietf-ippm-stamp@iet= f.org>, IPPM Chairs <ippm-chairs@ietf.org>, Mirja Kuehlewind <ietf@kuehlewind.net>,= IETF IPPM WG <ippm@i= etf.org>
Subject: Re: [ippm] AD review of draft-ietf-ippm-stamp=

=C2=A0

Hi Shahram,

excellent question, thank you!

When using STAMP extensions, STAMP Session-Sender mu= st use the basic STAMP test packet followed by a TLV. A STAMP Session-Refle= ctor is expected to compare the value in the Length field of the UDP header= with the length of the basic STAMP test packet (44 octets). If the difference is larger than the length of th= e UDP header, then the Session-Reflector should process STAMP TLVs followin= g the basic STAMP test packet.

=C2=A0

Regards,

Greg

=C2=A0

On Tue, Jul 9, 2019 at 9:53 AM Shahram Davari <shahram.dava= ri@broadcom.com> wrote:

Thanks Greg,

=C2=A0

How does the receiver distinguish between TWAMP and = STAMP if they use the same UDP Port number?

=C2=A0

Thx

Shahram



On Jul 8, 2019, at 4:14 PM, Greg Mirsky <gregimirsky@gmail..com<= /a>> wrote:

=C2=A0

Hi Shahram,

thank you for the review and questions. Please find = my answers below tagged GIM>>.

=C2=A0

Regards,

Greg

=C2=A0

HI Greg

=C2=A0

I read your draft and have the following questions:<= u>

=C2=A0

1) Does it require any UDP/TCP port number or it reu= ses the one from TWAMP? if it reuses from TWAMP then =C2=A0how does the rec= eiver differentiate between TWAMP and STAMP?

GIM>> STAMP uses the well-known UDP port numbe= r allocated for the OWAMP-Test/TWAMP-Test Receiver port (RFC 8545) as the d= efault destination UDP port number. STAMP may use destination UDP port numb= er from the Dynamic and/or Private Ports range 49152-65535.

2) What is the benefit of STAMO compared to TWAMP?

GIM>> The work was driven by several observati= ons, among them:

  • challenges in achieving interoperability among implementations of TWAMP-Lig= ht;
  • industry interest in standardizing performance monitoring in IP broadband a= ccess networks (TR-390);
  • improve extensibility of IP performance monitoring tool to support measurem= ents, testing of new metrics and parameters, e.g., consistency of CoS in th= e network.=C2=A0

3) Why is there so much MBZ byte?

GIM>> It was agreed to make the symmetrical si= ze of STAMP test packets the default. RFC 6038 defined it for TWAMP and TR-= 390 requires it to be supported by TWAMP-Light implementations.

=C2=A0

Thx

Shahram



On Jul 8, 2019, at 10:17 AM, Greg Mirsky <gregimirsky@gmail.com> wrote:

=C2=A0

Hi Mirja,

thank you for the suggested text. The new paragraph = now reads as:

=C2=A0 =C2=A0 =C2=A0 Load of STAMP test packets offe= red to a network MUST be carefully
=C2=A0 =C2=A0 =C2=A0 estimated, and the possible impact on the existing ser= vices MUST
=C2=A0 =C2=A0 =C2=A0 be thoroughly analyzed before launching the test sessi= on.
=C2=A0 =C2=A0 =C2=A0 [RFC8085] section 3.1.5 provides guidance on handling = network load
=C2=A0 =C2=A0 =C2=A0 for UDP-based protocol.=C2=A0 While the characteristic= of test traffic
=C2=A0 =C2=A0 =C2=A0 depends on the test objective, it is highly recommende= d to stay in
=C2=A0 =C2=A0 =C2=A0 the limits as provided in [RFC8085].

=C2=A0

If it is acceptable, I'd like to upload the upda= ted version of draft-ieff-ippm-stamp before the cut-off deadline.=

=C2=A0

Regards,

Greg

=C2=A0

Hi Greg,

See below.

> On 8. Jul 2019, at 16:54, Greg Mirsky <gregimirsky@gmail.com> wrote:
>
> Hi Mirja,
> thank you for the reference to RFC 8085. I agree that the document is = very much relevant and a reference to RFC 8085 in STAMP is useful. While re= ading Section 3.1.3 I came to think that the discussion and guidance in oth= er sections of RFC 8085, particularly, Section 3.1.5 Implications of RTT and Loss Measurements on Congestion Cont= rol. Would adding the reference to that section in the new text proposed fo= r the Security Considerations section work? I'll put RFC 8085 as Inform= ational reference as it is BCP.
> NEW TEXT:
>=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a netw= ork MUST be carefully
>=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on the ex= isting services MUST
>=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed using [RFC8085] and i= ts Section 3.1.5 in
>=C2=A0 =C2=A0 =C2=A0 =C2=A0particular before launching the test session= ...


Not sure if =E2=80=9Cusing=E2=80=9D is the right word but otherwise fine fo= r me. Or you could have a separate sentence like:

=E2=80=9CRFC8085 section 3.1.5 provides guidance on handling network load f= or UDP-based protocol. While the characteristic of test traffic depends on = the test objective, it is highly recommended to say in the limits as provid= ed in RFC8085.=E2=80=9D

Or something similar=E2=80=A6

BCP is the same maturity level as PS. So it wouldn=E2=80=99t be a downref. = However, I think having this as informational ref is fine.

Mirja



>
> Regards,
> Greg
>
> On Mon, Jul 8, 2019 at 2:37 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote: > Hi Greg,
>
> Thanks a lot for you reply. Changes are good. I wonder if it would be = useful to provide a reference to RFC8085 because it has a lot of informatio= n about congestion control of UDP based traffic? It recommends to send not = more than 1 packet per 3 seconds (if RTT is unknown). I guess it doesn=E2=80=99t make sense to require this for= testing traffic, however, it could maybe still be a good recommendation? W= hat do you think?
>
> Also I=E2=80=99ve just resend my review to the IPPM list, as I unfortu= nately cc=E2=80=99ed only the IPPM chairs instead of the whole list. Can yo= u resend you proposed changes to the list, so other people are aware of the= se changes. Sorry for the unconvience.
>
> Mirja
>
>
> > On 6. Jul 2019, at 17:46, Greg Mirsky <gregimirsky@gmail.com> wrote: > >
> > Hi Mirja,
> > thank you for your thorough review, very pointed and helpful comm= ents. Please find my responses in-lined and tagged GIM>>. Attached th= e diff.
> >
> > Regards,
> > Greg
> >
> > On Thu, Jul 4, 2019 at 9:10 AM Mirja Kuehlewind <ietf@kuehlewind.net> wro= te:
> > Hi authors, hi all,
> >
> > Thanks for this well-written document and very good shepherd writ= e-up! I would like discuss one point before I start IETF last call.
> >
> > I believe this document should say something about network load a= nd congestion (control). OWAMP and TWAMP discuss quite a bit sender schedul= ing, however, as this is a simplified version, so I think it could at least= be good to put a waring in this document that packet sending should be somehow rate limited. I know it might be har= d to provide more concrete guidance but at least having some discussion or = warning in this document could be good.
> > GIM>>=C2=A0 Thank you for your suggestion. Security Conside= rations section points to the fact that STAMP does not include control and = management components:
> >=C2=A0 =C2=A0 Because of the control
> >=C2=A0 =C2=A0 and management of a STAMP test being outside the sco= pe of this
> >=C2=A0 =C2=A0 specification only the more general requirement is s= et:
> > adding the new text here:
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0Load of STAMP test packets offered to a= network MUST be carefully
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0estimated, and the possible impact on t= he existing services MUST
> >=C2=A0 =C2=A0 =C2=A0 =C2=A0be thoroughly analyzed before launching= the test session.
> >
> >
> > Another comment: You only say at the very end that a certain UDP = port is used, which implies that STAMP runs over UDP. However, I think you = should mention at the very beginning that this is a UDP-based protocol. Jus= t to make things crystal clear.
> > GIM>> Adding the reference to "UDP transport" int= o the first sentence of Theory of=C2=A0 Operations section:
> >=C2=A0 =C2=A0 STAMP Session-Sender transmits test packets over UDP= transport toward STAMP Session-Reflector.
> >
> > Mirja
> >
> > P.S.:
> > Nit: s/This document defines active performance measurement test = protocol/ This document defines an active performance measurement test prot= ocol/
> > -> =E2=80=9Can=E2=80=9D missing
> > GIM>> Thank you. Done.
> > <Diff_ draft-ietf-ippm-stamp-06.txt - draft-ietf-ippm-stamp-07= ...txt.html>
>

_______________________________________________
ippm mailing list
ippm@ietf.org
ht= tps://www.ietf.org/mailman/listinfo/ippm

=C2=A0

=C2=A0

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tpauly.scv.apple.com (tpauly.scv.apple.com [17.192.171.37]) by nwk-mmpp-sz10.apple.com (Oracle Communications Messaging Server 8.0.2.4.20190507 64bit (built May 7 2019)) with ESMTPSA id <0PUG009MPC6GHY60@nwk-mmpp-sz10.apple.com>; Wed, 10 Jul 2019 17:32:40 -0700 (PDT) Sender: tpauly@apple.com From: Tommy Pauly Message-id: <27A64C16-6088-4A64-9EC6-44C007628818@apple.com> Content-type: multipart/alternative; boundary="Apple-Mail=_F63CE674-40F9-46CC-A7C8-805C43024A60" MIME-version: 1.0 (Mac OS X Mail 13.0 \(3560.7\)) Date: Wed, 10 Jul 2019 17:32:40 -0700 In-reply-to: Cc: "Frank Brockners (fbrockne)" , "ippm-chairs@ietf.org" , IETF IPPM WG To: "Carlos Pignataro (cpignata)" References: X-Mailer: Apple Mail (2.3560.7) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-10_08:, , signatures=0 Archived-At: Subject: Re: [ippm] draft-ietf-ippm-ioam-data and a new draft for IOAM flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Jul 2019 00:33:16 -0000 --Apple-Mail=_F63CE674-40F9-46CC-A7C8-805C43024A60 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Hi Carlos, Thanks for the question! One of the reasons we asked for documents to be = split was to be able to isolate the conversations a bit more, and keep = the scope of the already-adopted document to what the working group felt = confident about. With that in mind, the draft-mizrahi-ippm-ioam-flags should not be = considered to be automatically adopted. Specifically, we do want to be = able to have a discussion as a working group. I really appreciate that these documents were split, and we=E2=80=99ll = definitely make sure to spend time in Montreal to discuss next steps. Thanks, Tommy > On Jul 10, 2019, at 5:13 PM, Carlos Pignataro (cpignata) = wrote: >=20 > Hi=E3=80=81=E3=80=80IPPM=E3=80=80Chairs, >=20 > One process question: draft-mizrahi-ippm-ioam-flags-00 is effectively = a spin-off of draft-ietf-ippm-ioam-data-05, splitting text from it into = a new document, and adding WG discussion related to = draft-ietf-ippm-ioam-data. In that case, and since = draft-ietf-ippm-ioam-data is an adopted WG document, should = draft-mizrahi-ippm-ioam-flags be effectively automatically adopted as a = WG Doc? >=20 > Asking as that is my experience, when splitting a WG document into = two. >=20 > Thanks! >=20 > Carlos. >=20 >=20 >> On Jul 4, 2019, at 2:21 PM, Frank Brockners (fbrockne) = > wrote: >>=20 >> Back in the IPPM WG meeting in Prague, Tommy concluded on the = discussion of draft-ietf-ippm-ioam-data-05, that we should =E2=80=9Csepara= te the flag discussion into separate drafts and then fold it into the = data draft based on WG consensus.=E2=80=9D (see IPPM minutes >> = https://datatracker.ietf.org/meeting/104/materials/minutes-104-ippm-00 = ).= Unfortunately it took a bit longer than expected but today two new = documents were published following Tommy=E2=80=99s conclusion: >> =20 >> https://tools.ietf.org/html/draft-mizrahi-ippm-ioam-flags-00 = >> https://tools.ietf.org/html/draft-ietf-ippm-ioam-data-06 = >> =20 >> draft-mizrahi-ippm-ioam-flags-00 is a new document which provides the = description of those flags that describe IOAM behavior not immediately = associated to updating the IOAM data fields, i.e. the new draft took the = text related to flags from the draft-ietf-ippm-ioam-data. = draft-ietf-ippm-ioam-data-06 is the associated update to the -05 version = with the description of the flags removed. >> =20 >> With the -00 draft cut off still a few days away, it would be great = to get comments on the split and even more so on the new ioam-flags = draft, so that we could create a rev before the cut off (if required) = and then try to close the discussion in Montreal. >> =20 >> Thanks much, Frank >> _______________________________________________ >> ippm mailing list >> ippm@ietf.org >> https://www.ietf.org/mailman/listinfo/ippm = --Apple-Mail=_F63CE674-40F9-46CC-A7C8-805C43024A60 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 Hi = Carlos,

Thanks for = the question! One of the reasons we asked for documents to be split was = to be able to isolate the conversations a bit more, and keep the scope = of the already-adopted document to what the working group felt confident = about.

With = that in mind, the draft-mizrahi-ippm-ioam-flags should not be considered = to be automatically adopted. Specifically, we do want to be able to have = a discussion as a working group.

I really appreciate that these = documents were split, and we=E2=80=99ll definitely make sure to spend = time in Montreal to discuss next steps.

Thanks,
Tommy

On Jul 10, 2019, at 5:13 PM, Carlos Pignataro (cpignata) = <cpignata@cisco.com> wrote:

Hi=E3=80=81=E3=80=80IPPM=E3=80=80Chairs,

One process question: draft-mizrahi-ippm-ioam-flags-00 = is effectively a spin-off of draft-ietf-ippm-ioam-data-05, = splitting text from it into a new document, and adding WG discussion = related to draft-ietf-ippm-ioam-data. In that case, and = since draft-ietf-ippm-ioam-data is an adopted WG document, should draft-mizrahi-ippm-ioam-flags be = effectively automatically adopted as a WG Doc?

Asking as that is my experience, when splitting a WG = document into two.

Thanks!

Carlos.


On Jul 4, 2019, at 2:21 PM, Frank Brockners (fbrockne) = <fbrockne@cisco.com> wrote:

Back in the IPPM WG meeting in Prague, Tommy concluded on the discussion = of draft-ietf-ippm-ioam-data-05, that we should =E2=80=9Cseparate the = flag discussion into separate drafts and  then fold it into the = data draft based on WG consensus.=E2=80=9D (see IPPM minutes
https://datatracker.ietf.org/meeting/104/materials/minutes-104-= ippm-00). Unfortunately it took a bit longer than expected but today two new documents were published = following Tommy=E2=80=99s conclusion:
 
https://tools.ietf.org/html/draft-mizrahi-ippm-ioam-flags-00
https://tools.ietf.org/html/draft-ietf-ippm-ioam-data-06
 
draft-mizrahi-ippm-ioam-flags-00 is a new document which provides the = description of those flags that describe IOAM behavior not immediately = associated to updating the IOAM data fields, i.e. the new draft took the = text related to flags from the draft-ietf-ippm-ioam-data. draft-ietf-ippm-ioam-data-06 is the associated update to the -05 = version with the description of the flags removed.
 
With the -00 draft cut off still a few days away, it would be great to = get comments on the split and even more so on the new ioam-flags draft, = so that we could create a rev before the cut off (if required) and then = try to close the discussion in Montreal.
 
Thanks much, Frank
_______________________________________________
ippm mailing list
ippm@ietf.org
https://www.ietf.org/mailman/listinfo/ippm


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[ippm] IPPM Agenda for IETF 105 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Jul 2019 18:19:44 -0000 --Apple-Mail=_FA669E9D-704E-45DB-A726-53C9791EB863 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii > On Jul 8, 2019, at 10:27 AM, Tommy Pauly = wrote: >=20 > Hello IPPM, >=20 > We've uploaded the initial agenda for our IETF 105 IPPM meeting here: = https://datatracker.ietf.org/meeting/105/materials/agenda-105-ippm >=20 > Thanks to everyone who responded to our presentation slot request! If = you do have a slot on the agenda, please email the chairs with your = slides by Sunday, 7/21. If you have any questions, please feel free to = email the chairs. You can now request to upload slides directly to Datatracker. Please = upload your slides as they are ready here: = https://datatracker.ietf.org/meeting/105/session/ippm = Thanks! Tommy=20 >=20 > Best, > Tommy, Brian, & Bill > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm --Apple-Mail=_FA669E9D-704E-45DB-A726-53C9791EB863 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii

On Jul 8, 2019, at 10:27 AM, Tommy Pauly <tpauly=3D40apple.com@dmarc.ietf.org> wrote:

Hello = IPPM,

We've uploaded the initial agenda for = our IETF 105 IPPM meeting here: https://datatracker.ietf.org/meeting/105/materials/agenda-105-i= ppm

Thanks to everyone who responded to = our presentation slot request! If you do have a slot on the agenda, = please email the chairs with your slides by Sunday, 7/21. If you have = any questions, please feel free to email the chairs.

You = can now request to upload slides directly to Datatracker. Please upload = your slides as they are ready here: https://datatracker.ietf.org/meeting/105/session/ippm
=

Thanks!
Tommy 


Best,
Tommy, Brian, & = Bill
_______________________________________________
ippm mailing list
ippm@ietf.org
https://www.ietf.org/mailman/listinfo/ippm

= --Apple-Mail=_FA669E9D-704E-45DB-A726-53C9791EB863-- From nobody Sun Jul 14 09:26:56 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3767F120273 for ; Sun, 14 Jul 2019 09:26:55 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.599 X-Spam-Level: X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CSo0K1efekEd for ; Sun, 14 Jul 2019 09:26:53 -0700 (PDT) Received: from mx0a-00191d01.pphosted.com (mx0a-00191d01.pphosted.com [67.231.149.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E22681200EB for ; Sun, 14 Jul 2019 09:26:53 -0700 (PDT) Received: from pps.filterd (m0049295.ppops.net [127.0.0.1]) by m0049295.ppops.net-00191d01. 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Sun, 14 Jul 2019 16:26:45 +0000 (GMT) Received: from sldc.sbc.com (localhost [127.0.0.1]) by clpi183.sldc.sbc.com (8.14.5/8.14.5) with ESMTP id x6EGQjgN031210 for ; Sun, 14 Jul 2019 11:26:45 -0500 Received: from mail-azure.research.att.com (mail-azure.research.att.com [135.207.255.18]) by clpi183.sldc.sbc.com (8.14.5/8.14.5) with ESMTP id x6EGQh38031174 for ; Sun, 14 Jul 2019 11:26:43 -0500 Received: from exchange.research.att.com (njbdcas1.research.att.com [135.197.255.61]) by mail-azure.research.att.com (Postfix) with ESMTP id 0F943E077E for ; Sun, 14 Jul 2019 12:26:13 -0400 (EDT) Received: from njmtexg4.research.att.com ([fe80::8cd:baa3:219e:5bd4]) by njbdcas1.research.att.com ([fe80::8c6b:4b77:618f:9a01%11]) with mapi id 14.03.0468.000; Sun, 14 Jul 2019 12:26:42 -0400 From: "MORTON, ALFRED C (AL)" To: "ippm@ietf.org" CC: "CIAVATTONE, LEN" Thread-Topic: New Version Notification for draft-morton-ippm-capcity-metric-method-00.txt Thread-Index: AQHVNawoBB3TVYVpRUeTMjM+mCjPuKbKQfEw Date: Sun, 14 Jul 2019 16:25:54 +0000 Message-ID: <4D7F4AD313D3FC43A053B309F97543CFA0ACDBB6@njmtexg4.research.att.com> References: <156260416772.1025.4998810537075651102.idtracker@ietfa.amsl.com> In-Reply-To: <156260416772.1025.4998810537075651102.idtracker@ietfa.amsl.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [69.141.203.172] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-14_05:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_policy_notspam policy=outbound_policy score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907140204 Archived-At: Subject: [ippm] FW: New Version Notification for draft-morton-ippm-capcity-metric-method-00.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 14 Jul 2019 16:26:55 -0000 SVBQTSwNCg0KVGhpcyBuZXcgZHJhZnQgaXMgYSBwcm9wb3NhbCBmb3IgYSBtZXRyaWMgYW5kIG1l dGhvZHMgb2YNCm1lYXN1cmVtZW50IGZvciBNYXhpbXVtIElQLWxheWVyIENhcGFjaXR5LCBvbmUg b2YgdGhlIG1hbnkNCnBvc3NpYmxlIG1ldHJpY3MgdG8gY2hhcmFjdGVyaXplIElQLWxheWVyIHBl cmZvcm1hbmNlLg0KDQpXZSBoYXZlIGEgbGlnaHRuaW5nIDUtbWludXRlcyBvbiB0aGUgSVBQTSBh Z2VuZGEgdG8gZGlzY3Vzcw0KdGhpcyBuZXcgZHJhZnQsIHNvIHRoZSBhdXRob3JzIGFyZSBwcm92 aWRpbmcgdGhpcyBhZGRpdGlvbmFsDQpiYWNrZ3JvdW5kIGFuZCB3ZWxjb21lIGFueSBjb21tZW50 cyBvbi1saXN0IG9yIHNpZGUgbWVldGluZ3MgDQp3ZSBjYW4gYXJyYW5nZSBpbiBNb250cmVhbCB0 byBkaXNjdXNzLg0KDQpOb3RlcyBhbmQgQmFja2dyb3VuZDoNCg0KVGhpcyB3b3JrIHdpbGwgYmUg YSB0b3BpYyBhdCBhICJtZWFzdXJlbWVudHMiIHRhYmxlDQphdCB0aGUgSGFja2F0aG9uQDEwNSwg YW5kIHBvc3NpYmx5IHByZXNlbnRlZCBsYXRlciBpbiB0aGUNCndlZWsgYXQgTUFQUkcgaWYgdGlt ZS9vdGhlciB0b3BpY3MgcGVybWl0Lg0KDQpMaWFpc29ucyByZWNlaXZlZCBieSBJUFBNIHByb3Zp ZGUgYWRkaXRpb25hbCBpbmZvIG9uIHRlc3RpbmcNCih3aXRoIGF0dGFjaG1lbnRzIGNvbnRhaW5p bmcgdGVzdCByZXN1bHRzIGluIG1vc3QgY2FzZXMpOg0KaHR0cHM6Ly9kYXRhdHJhY2tlci5pZXRm Lm9yZy9saWFpc29uLzE2NDUvDQpodHRwczovL2RhdGF0cmFja2VyLmlldGYub3JnL2xpYWlzb24v MTY0My8NCmh0dHBzOi8vZGF0YXRyYWNrZXIuaWV0Zi5vcmcvbGlhaXNvbi8xNjM0Lw0KaHR0cHM6 Ly9kYXRhdHJhY2tlci5pZXRmLm9yZy9saWFpc29uLzE2MzIvDQoNClRlY2huaWNhbCBDb21taXR0 ZWUgRVRTSSBTVFEgaGFzIGFwcHJvdmVkIEVUU0kgVFMgMTAzIDIyMi0yIA0KIlBhcnQgMjogUmVm ZXJlbmNlIGJlbmNobWFya2luZyBhbmQgS1BJcyBmb3IgSGlnaCBzcGVlZCBpbnRlcm5ldCIsIA0K Y29udGFpbmluZyB0aGUgbmV3IG1hdGVyaWFsIHByZXNlbnRseSBjb3ZlcmVkIGluIGNsYXVzZSA0 LjUsIHRpdGxlZCANCuKAnElQL1VEUCBDYXBhY2l0eeKAnC4gVGhlIG5ldyBjbGF1c2UgY29udGFp bnMgYSBkZWZpbml0aW9uIG9mIA0KTWF4aW11bSBJUCBDYXBhY2l0eSB0aGF0IGlzIGVxdWl2YWxl bnQgdG8gdGhlIGRlZmluaXRpb24gDQpwcm9wb3NlZCBpbiB0aGUgbmV3IGRyYWZ0LiBUaGUgVFMg dGV4dCB3aWxsIGJlIHB1Ymxpc2hlZCBzaG9ydGx5Lg0KDQpBdCBJVFUtVCBTdHVkeSBHcm91cCAx MiwgUmVjb21tZW5kYXRpb24gWS4xNTQwLCBvbg0KIklQIHBhY2tldCB0cmFuc2ZlciBhbmQgYXZh aWxhYmlsaXR5IHBlcmZvcm1hbmNlIHBhcmFtZXRlcnMiIA0KKGFsc28gY29udGFpbmluZyBhbiBl cXVpdmFsZW50IGRlZmluaXRpb24gd2l0aCByZXF1aXJlbWVudHMgZm9yIG1ldGhvZHMgDQpvZiBt ZWFzdXJlbWVudCkgaXMgcHJvY2VlZGluZyB0aHJvdWdoIHRoZSAobG9uZ2VyKSBhcHByb3ZhbCBw cm9jZXNzLg0KDQpUaGFua3MgZm9yIGNvbnNpZGVyaW5nIHRoaXMgbmV3IHByb3Bvc2FsOyBpdCBp cyBvbmUgb2YgdGhlIHRvcGljcyANCnRoYXQgSVBQTSB3YXMgY2hhcnRlcmVkIG92ZXIgMjAgeWVh cnMgYWdvIHRvIGNvbXBsZXRlLg0KDQpBbCwgUsO8ZGlnZXIsIGFuZCBMZW4NCg0KDQotLS0tLU9y aWdpbmFsIE1lc3NhZ2UtLS0tLQ0KRnJvbTogaW50ZXJuZXQtZHJhZnRzQGlldGYub3JnIFttYWls dG86aW50ZXJuZXQtZHJhZnRzQGlldGYub3JnXSANClNlbnQ6IE1vbmRheSwgSnVseSA4LCAyMDE5 IDEyOjQzIFBNDQpUbzogTU9SVE9OLCBBTEZSRUQgQyAoQUwpIDxhY21AcmVzZWFyY2guYXR0LmNv bT47IA0KU3ViamVjdDogTmV3IFZlcnNpb24gTm90aWZpY2F0aW9uIGZvciBkcmFmdC1tb3J0b24t aXBwbS1jYXBjaXR5LW1ldHJpYy1tZXRob2QtMDAudHh0DQoNCg0KQSBuZXcgdmVyc2lvbiBvZiBJ LUQsIGRyYWZ0LW1vcnRvbi1pcHBtLWNhcGNpdHktbWV0cmljLW1ldGhvZC0wMC50eHQNCmhhcyBi ZWVuIHN1Y2Nlc3NmdWxseSBzdWJtaXR0ZWQgYnkgQWwgTW9ydG9uIGFuZCBwb3N0ZWQgdG8gdGhl DQpJRVRGIHJlcG9zaXRvcnkuDQoNCk5hbWU6CQlkcmFmdC1tb3J0b24taXBwbS1jYXBjaXR5LW1l dHJpYy1tZXRob2QNClJldmlzaW9uOgkwMA0KVGl0bGU6CQlNZXRyaWNzIGFuZCBNZXRob2RzIGZv ciBJUCBDYXBhY2l0eQ0KRG9jdW1lbnQgZGF0ZToJMjAxOS0wNy0wOA0KR3JvdXA6CQlJbmRpdmlk dWFsIFN1Ym1pc3Npb24NClBhZ2VzOgkJMTMNClVSTDogICAgICAgICAgICANCmh0dHBzOi8vdG9v bHMuaWV0Zi5vcmcvaHRtbC9kcmFmdC1tb3J0b24taXBwbS1jYXBjaXR5LW1ldHJpYy1tZXRob2Qt MDANCg0KQWJzdHJhY3Q6DQogICBUaGlzIG1lbW8gcmV2aXNpdHMgdGhlIHByb2JsZW0gb2YgTmV0 d29yayBDYXBhY2l0eSBtZXRyaWNzIGZpcnN0DQogICBleGFtaW5lZCBpbiBSRkMgNTEzNi4gIFRo ZSBtZW1vIHNwZWNpZmllcyBhIG1vcmUgcHJhY3RpY2FsIE1heGltdW0NCiAgIElQLWxheWVyIENh cGFjaXR5IG1ldHJpYyBkZWZpbml0aW9uIGNhdGVyaW5nIGZvciBtZWFzdXJlbWVudA0KICAgcHVy cG9zZXMsIGFuZCBvdXRsaW5lcyB0aGUgY29ycmVzcG9uZGluZyBtZXRob2RzIG9mIG1lYXN1cmVt ZW50Lg0K From nobody Sun Jul 14 10:05:06 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1EE15120119 for ; 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(8.16.0.27/8.16.0.27) with SMTP id x6EH4lst037248 for ; Sun, 14 Jul 2019 13:05:01 -0400 Received: from tlpd255.enaf.dadc.sbc.com (sbcsmtp3.sbc.com [144.160.112.28]) by m0049295.ppops.net-00191d01. with ESMTP id 2tqvhfjbxu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Sun, 14 Jul 2019 13:05:00 -0400 Received: from enaf.dadc.sbc.com (localhost [127.0.0.1]) by tlpd255.enaf.dadc.sbc.com (8.14.5/8.14.5) with ESMTP id x6EH50CC112587 for ; Sun, 14 Jul 2019 12:05:00 -0500 Received: from zlp30497.vci.att.com (zlp30497.vci.att.com [135.46.181.156]) by tlpd255.enaf.dadc.sbc.com (8.14.5/8.14.5) with ESMTP id x6EH4r2h112521 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 14 Jul 2019 12:04:55 -0500 Received: from zlp30497.vci.att.com (zlp30497.vci.att.com [127.0.0.1]) by zlp30497.vci.att.com (Service) with ESMTP id B5B044000397 for ; Sun, 14 Jul 2019 17:04:53 +0000 (GMT) Received: from clpi183.sldc.sbc.com (unknown [135.41.1.46]) by zlp30497.vci.att.com (Service) with ESMTP id 9AE19400038C for ; Sun, 14 Jul 2019 17:04:53 +0000 (GMT) Received: from sldc.sbc.com (localhost [127.0.0.1]) by clpi183.sldc.sbc.com (8.14.5/8.14.5) with ESMTP id x6EH4rsD031212 for ; Sun, 14 Jul 2019 12:04:53 -0500 Received: from mail-blue.research.att.com (mail-blue.research.att.com [135.207.178.11]) by clpi183.sldc.sbc.com (8.14.5/8.14.5) with ESMTP id x6EH4jIh030876 for ; Sun, 14 Jul 2019 12:04:45 -0500 Received: from exchange.research.att.com (njbdcas1.research.att.com [135.197.255.61]) by mail-blue.research.att.com (Postfix) with ESMTP id 1D7ECF19DB for ; Sun, 14 Jul 2019 13:04:45 -0400 (EDT) Received: from njmtexg4.research.att.com ([fe80::8cd:baa3:219e:5bd4]) by njbdcas1.research.att.com ([fe80::8c6b:4b77:618f:9a01%11]) with mapi id 14.03.0468.000; Sun, 14 Jul 2019 13:04:45 -0400 From: "MORTON, ALFRED C (AL)" To: "ippm@ietf.org" Thread-Topic: Reviews for the AURA WG Draft: draft-ietf-ippm-route Thread-Index: AdU6Y9jYGSiDVO6jS0OgcSdli2spoQ== Date: Sun, 14 Jul 2019 17:03:58 +0000 Message-ID: <4D7F4AD313D3FC43A053B309F97543CFA0ACDBDC@njmtexg4.research.att.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [69.141.203.172] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-14_05:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_policy_notspam policy=outbound_policy score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=554 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907140212 Archived-At: Subject: [ippm] Reviews for the AURA WG Draft: draft-ietf-ippm-route X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 14 Jul 2019 17:05:05 -0000 IPPM, The AURA route measurements WG draft: https://datatracker.ietf.org/doc/draft-ietf-ippm-route/ was presented briefly at IETF-104, and we lined-up=20 a few volunteer reviewers. According to the minutes: Reviewers who volunteered - Frank Brockners, Footer (aka: Richard Foote) If we have some feedback, we'll be glad to discuss and/or summarize in our IPPM agenda slot next week. We have a few open questions in the draft (see @@@@) and it would be helpful if IPPM folks could take a look and help us finish this up. Plenty of new work has been proposed. for the co-authors, Al From nobody Sun Jul 14 23:46:45 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0E3DC12004C for ; Sun, 14 Jul 2019 23:46:44 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.201 X-Spam-Level: X-Spam-Status: No, score=-4.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vqwwIxFYo7Zo for ; Sun, 14 Jul 2019 23:46:42 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 2554C120147 for ; Sun, 14 Jul 2019 23:46:42 -0700 (PDT) Received: from lhreml705-cah.china.huawei.com (unknown [172.18.7.108]) by Forcepoint Email with ESMTP id AC543F58CB59326AA037 for ; Mon, 15 Jul 2019 07:46:39 +0100 (IST) Received: from NKGEML412-HUB.china.huawei.com (10.98.56.73) by lhreml705-cah.china.huawei.com (10.201.108.46) with Microsoft SMTP Server (TLS) id 14.3.408.0; Mon, 15 Jul 2019 07:46:39 +0100 Received: from NKGEML515-MBS.china.huawei.com ([169.254.5.238]) by nkgeml412-hub.china.huawei.com ([10.98.56.73]) with mapi id 14.03.0439.000; Mon, 15 Jul 2019 14:46:27 +0800 From: Tianran Zhou To: IETF IPPM WG CC: "Liumin (Lucy)" Thread-Topic: Postcard Based Telemetry hackathon project for IETF 105 Thread-Index: AdU62NRmhLzTCj0BSxuvRnqw0JP8+Q== Date: Mon, 15 Jul 2019 06:46:26 +0000 Message-ID: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.111.156.116] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: [ippm] Postcard Based Telemetry hackathon project for IETF 105 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Jul 2019 06:46:44 -0000 SGkgV0csDQoNCkkgaGF2ZSBwcm9wb3NlZCBhIGhhY2thdGhvbiBwcm9qZWN0IGF0IElFVEYgMTA1 IHRvIGltcGxlbWVudCB0aGUgUG9zdGNhcmQgQmFzZWQgVGVsZW1ldHJ5IGFzIGRlc2NyaWJlZCBp biBkcmFmdC1zb25nLWlwcG0tcG9zdGNhcmQtYmFzZWQtdGVsZW1ldHJ5LTA0Lg0KV2UgaGFkIG1h bnkgZGlzY3Vzc2lvbnMgb24gdGhpcyBpbiB0aGUgbWFpbGluZyBsaXN0Lg0KSWYgeW91IGhhdmUg aW50ZXJlc3Qgb24gdGhpcyB0b3BpYywgcGxlYXNlIGxldCBtZSBrbm93Lg0KDQpIYWNrYXRob24g ZGVzY3JpcHRpb246DQpQb3N0Y2FyZCBCYXNlZCBUZWxlbWV0cnkgZm9yIEluc2l0dSBGbG93IElu Zm9ybWF0aW9uIFRlbGVtZXRyeSANCkNoYW1waW9uKHMpOg0KLSBNaW4gTGl1IDxsdWN5LmxpdW1p biBhdCBodWF3ZWkuY29tPiANCi0gVGlhbnJhbiBaaG91IDx6aG91dGlhbnJhbiBhdCBodWF3ZWku Y29tPiANCg0KUHJvamVjdChzKToNCi0gSW1wbGVtZW50IHRoZSBsYXN0ZWQgc3BlY2lmaWNhdGlv biBvZiBQb3N0Y2FyZCBNb2RlcyBmb3IgSW4tc2l0dSBGbG93IEluZm9ybWF0aW9uIFRlbGVtZXRy eSANCuKAiy0gaHR0cHM6Ly9kYXRhdHJhY2tlci5pZXRmLm9yZy9kb2MvZHJhZnQtc29uZy1pcHBt LXBvc3RjYXJkLWJhc2VkLXRlbGVtZXRyeS8gDQotIEltcGxlbWVudCB3aXRoIHRoZSBJUHY2L1NS djYgdHJhbnNwb3J0IA0KLSBBbmFseXRpY3MgYXBwbGljYXRpb24gYmFzZWQgb24gdGhlIHRlbGVt ZXRyeSBkYXRhIA0KDQpUaGFua3MsDQpUaWFucmFuDQo= From nobody Mon Jul 15 04:15:22 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0CEDD120077; Mon, 15 Jul 2019 04:15:20 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] 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2019 11:15:15 +0000 From: "Foote, Footer (Nokia - CA)" To: "tpauly@apple.com" , IETF IPPM WG CC: "draft-mirsky-ippm-stamp-option-tlv@ietf.org" Thread-Topic: Adoption call for draft-mirsky-ippm-stamp-option-tlv Thread-Index: AQHVNd9AFnytNSwjYkaBL+/4xbPcH6bLkTYg Date: Mon, 15 Jul 2019 11:15:15 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-CA, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=footer.foote@nokia.com; x-originating-ip: [74.15.4.133] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: e1dd2fe9-33ce-430c-c947-08d70915b657 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(4618075)(2017052603328)(7193020); SRVR:AM6PR07MB5719; x-ms-traffictypediagnostic: AM6PR07MB5719: x-ms-exchange-purlcount: 2 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with ESMTP id BABED12011B; Mon, 15 Jul 2019 06:59:32 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Bill Cerveny via Datatracker To: X-Test-IDTracker: no X-IETF-IDTracker: 6.98.3 Auto-Submitted: auto-generated Precedence: bulk Cc: ietf@wjcerveny.com, ippm-chairs@ietf.org, iesg-secretary@ietf.org, ippm@ietf.org Message-ID: <156319917275.27079.2686925443283620831.idtracker@ietfa.amsl.com> Date: Mon, 15 Jul 2019 06:59:32 -0700 Archived-At: Subject: [ippm] Publication has been requested for draft-ietf-ippm-metric-registry-19 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Jul 2019 13:59:33 -0000 Bill Cerveny has requested publication of draft-ietf-ippm-metric-registry-19 as None on behalf of the IPPM working group. Please verify the document's state at https://datatracker.ietf.org/doc/draft-ietf-ippm-metric-registry/ From nobody Mon Jul 15 07:28:05 2019 Return-Path: X-Original-To: ippm@ietf.org Delivered-To: ippm@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id F0092120125; Mon, 15 Jul 2019 07:28:03 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Tommy Pauly via Datatracker To: X-Test-IDTracker: no X-IETF-IDTracker: 6.98.3 Auto-Submitted: auto-generated Precedence: bulk Cc: ietf@trammell.ch, Brian Trammell , ippm-chairs@ietf.org, iesg-secretary@ietf.org, ippm@ietf.org Message-ID: <156320088397.27259.2924042192376099576.idtracker@ietfa.amsl.com> Date: Mon, 15 Jul 2019 07:28:03 -0700 Archived-At: Subject: [ippm] Publication has been requested for draft-ietf-ippm-initial-registry-11 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Jul 2019 14:28:04 -0000 Tommy Pauly has requested publication of draft-ietf-ippm-initial-registry-11 as Proposed Standard on behalf of the IPPM working group. Please verify the document's state at https://datatracker.ietf.org/doc/draft-ietf-ippm-initial-registry/ From nobody Mon Jul 15 07:48:23 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4D89E120116; Mon, 15 Jul 2019 07:48:22 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id gQOu5Tt6Xjog; Mon, 15 Jul 2019 07:48:20 -0700 (PDT) Received: from mail-lj1-x232.google.com (mail-lj1-x232.google.com [IPv6:2a00:1450:4864:20::232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 3390F120169; Mon, 15 Jul 2019 07:48:19 -0700 (PDT) Received: by mail-lj1-x232.google.com with SMTP id r9so16526015ljg.5; Mon, 15 Jul 2019 07:48:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=M/WT69B1ss+9bqhV90brmnQmFWwZQqT29h8GwKnF91Q=; b=Qbz8dPCjPLHibfb1L0cgd8yYqi61QFASOCIEObTv+LK/Nak3xOIGl383ntIMVbgiCc nzm9jjuCvzKaLbW5nRDi6tFTMXHRU+JNC/6Y4djdWc7nPlRe2F6wo/GQ8FUQB6L2LfoP zjkx6EkUAxbRP9cjzIH5v1BSj7KNyXFcxGk8BD2+IpgnCsSsFAcsYGvelYZh83zdvMM4 7EVcEnoNTyYpM4GkKmCL9AR+wVfL71RmKuyTKUzDIcE3VykWgm6VjDNSbJKXM4Qnzrbs 3ggtHa6et5ga3qYNeUIDuetbNK7erw2nyGGmKckmNMjyYm5U9Bc6P3xEFJBxw4u5BVzk TzCA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=M/WT69B1ss+9bqhV90brmnQmFWwZQqT29h8GwKnF91Q=; b=fj7TstXgF+4ieYH3C7R/69rTxpF6htb0cUlQxXUGsVuVIFsrJk4zE9J2lPOw6yNS9K NnSEq0z0T813Gds3t1wK0hYzPyzFWwoiSpWOEORGZqnP23t9Z/cH2TTK+jWwPfWsePIT Z+79ml+T3m6U6ny1tMJMb5XrYYiA3blrw1WCCxNNuH9bDNl80bfXXXYruYm/U5qP/8ST U5C2G22etqXaoXwZAUyW3Mqmnp4YNcHf60iuGyQBMkn1MpxWNoJxzhV95GN+8YY1FlhF w4r/CzQ9mGJx+HP3gZoiz0Tfm56r/0T720B+D+QC+9SdZcWYAlXHB2iAdekmUvfkbl0/ B7Xw== X-Gm-Message-State: APjAAAU13mGhQTUBa+1UfvhhPmdiVrEhTzxjPP7Ht1+BUk2VWDPRqRhD A7xNhc5yrd7gUdJC6mza+fGWhw0mDGE4L3wiOtz6Um9NuQ== X-Google-Smtp-Source: APXvYqxAfKNCx0+jwSgafe7GYbh79HhFO9XOv58vZDBQnhxYYAYJbwIcYZ8ag8gMvepP6dxMmjUCnoyqHpT8P20SkJ4= X-Received: by 2002:a05:651c:95:: with SMTP id 21mr14376905ljq.128.1563202097363; Mon, 15 Jul 2019 07:48:17 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Rakesh Gandhi Date: Mon, 15 Jul 2019 10:48:05 -0400 Message-ID: To: Tommy Pauly Cc: IETF IPPM WG , draft-mirsky-ippm-stamp-option-tlv@ietf.org Content-Type: multipart/alternative; boundary="000000000000b9c356058db959a8" Archived-At: Subject: Re: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tlv X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Jul 2019 14:48:22 -0000 --000000000000b9c356058db959a8 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Authors, There were couple of items discussed on the mailing list and have added them below for convenience. Like to see them addressed in the adopted draft= . Thanks, Rakesh ------------------------------ Regarding the size of the padding, yes, it's good to use the same size payload for query and response. However, the STAMP payload with TLV extension (draft-mirsky-ippm-stamp-option-tlv-01) has slightly different padding size of 30 MBZ vs 27 ( or > 29)in draft-ietf-ippm-stamp. Is there a way to make them compatible? Does it mean that for STAMP with TLV, Server Octets is set to 1, but it says MBZ 0 for all 30 bytes.. If the responder supports Server Octets and see the size > 27, it may find the Server Octet size of 0 confusing? -------------------------- The direct measurement TLV proposed in the draft may not be hardware friendly for actual data traffic loss measurement due to the need to search the presence of the TLV and the counter offset not always fixed due to the variable length payload. Also, it overloads the delay measurement probes just for measuring packet loss which complicates the implementation. GIM>> The Direct Loss TLV is intended to immediately follow the STAMP test packet and thus its location is known. We'll work on the text to guide implementations to be more HW friendly and support efficient testing. Revised format looks like following: 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Sequence Number | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Timestamp | | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Error Estimate | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | | | | | MBZ (30 octets) | | | | | | | | | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+* * | Direct Measurement Type | Length |* * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+* * | Session-Sender Tx counter (S_TxC) |* * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+* * | Session-Reflector Rx counter (R_RxC) |* * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+* * | Session-Reflector Tx counter (R_TxC) |* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ ~ Value ~ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ On Mon, Jul 8, 2019 at 6:53 PM Tommy Pauly wrote: > Hello IPPM, > > This message begins an adoption call for > draft-mirsky-ippm-stamp-option-tlv, "Simple Two-way Active Measurement > Protocol Optional Extensions=E2=80=9D. The document has been discussed on= the list > recently, with good input and reviews from the group. We=E2=80=99d like t= o get the > working group=E2=80=99s input on if this document should be adopted and w= orked on > by the group. > > The current status and text of the document can be found here: > > https://datatracker.ietf.org/doc/draft-mirsky-ippm-stamp-option-tlv/ > https://tools.ietf.org/html/draft-mirsky-ippm-stamp-option-tlv-05 > > Please respond to this email by *Tuesday, July 23* to indicate whether or > not you think IPPM should adopt and work on the extensions and extension > mechanism described in this draft. > > Best, > Tommy (as IPPM co-chair) > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm > --000000000000b9c356058db959a8 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Authors,
There were couple of items disc= ussed on the mailing list and have added them below for convenience. Like t= o see them addressed in the adopted draft.

Thanks,

Rakesh

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0

----= --------------------------

Rega= rding the size of the padding, yes, it's good to use the same size payload fo= r query and response.

Howe= ver, the STAMP payload with TLV extension (draft-mirsky-ippm-stamp-option-tlv-01= ) has slightly different padding size of 30 MBZ vs 27 ( or > 29)in draft-i= etf-ippm-stamp. Is there a way to make them compatible? Does it mean that for STAMP with TL= V, Server Octets is set to 1, but it says MBZ 0 for all 30 bytes.. If the responder supports Server Octets and see the size > 27, it may find the Server Octet size of 0 confusing?

=C2=A0

----= ----------------------

=C2=A0

The direct measurement TLV proposed in the draft may not be hardware friendly for actu= al data traffic loss measurement due to the need to search the presence of the= TLV and the counter offset not always fixed due to the variable length payload. Also, it overloads the delay measurement probes just for measuring packet l= oss which complicates the implementation.

GIM&= gt;> The Direct Loss TLV is intended to immediately follow the STAMP test packet and thus its location is known. We= 'll work on the text to guide implementations to be more HW friendly and suppor= t efficient testing.=C2=A0

=C2=A0

<= RG> Revised format looks like following:

=C2=A0

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 <= /span>0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 1=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0 2=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 3<= /span>

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 <= /span>0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+=

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Sequence Number=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+=

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0 Timestamp=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0|

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+=

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Error Estimate=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |<= /span>

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0 MBZ (30 octets)=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0|

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = | =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0|

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0 Direct Measurement Type=C2=A0= =C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0 Length=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0 Session-Sender Tx counter=C2=A0 (S_TxC)=C2=A0 =C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0|

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0 Session-Reflector Rx counter=C2=A0 (R_RxC)=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0 Session-Reflector Tx counter=C2=A0 (R_TxC)=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+=

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0 Type=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0 Length=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+=

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = ~=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0 Value=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ~=

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+


On Mon, Jul 8, 2019 at 6:53 PM Tommy Pauly <tpauly=3D40apple.com@dmarc.ietf.org> wrote:<= br>
Hello IPPM,

This me= ssage begins an adoption call for draft-mirsky-ippm-stamp-option-tlv, "= ;Simple Two-way Active Measurement Protocol Optional Extensions=E2=80=9D. T= he document has been discussed on the list recently, with good input and re= views from the group. We=E2=80=99d like to get the working group=E2=80=99s = input on if this document should be adopted and worked on by the group.

The current status and text of the document can be fo= und here:


Please respond to this email by Tuesda= y, July 23=C2=A0to indicate whether or not you think IPPM should adopt = and work on the extensions and extension mechanism described in this draft.=

Best,
Tommy (as IPPM co-chair)
____= ___________________________________________
ippm mailing list
ippm@ietf.org
https://www.ietf.org/mailman/listinfo/ippm
--000000000000b9c356058db959a8-- From nobody Mon Jul 15 09:47:26 2019 Return-Path: X-Original-To: ippm@ietf.org Delivered-To: ippm@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 0F92012011E for ; Mon, 15 Jul 2019 09:47:25 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit To: X-Test-IDTracker: no X-IETF-IDTracker: 6.98.3 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <156320924505.27279.13892814326684869232.idtracker@ietfa.amsl.com> Date: Mon, 15 Jul 2019 09:47:25 -0700 From: IETF Secretariat Archived-At: Subject: [ippm] Milestones changed for ippm WG X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Jul 2019 16:47:25 -0000 Changed milestone "Submit draft on core registry for performance metrics to IESG as Proposed Standard", resolved as "Done". URL: https://datatracker.ietf.org/wg/ippm/about/ From nobody Mon Jul 15 09:56:04 2019 Return-Path: X-Original-To: ippm@ietf.org Delivered-To: ippm@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 18D35120110 for ; Mon, 15 Jul 2019 09:56:02 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit To: X-Test-IDTracker: no X-IETF-IDTracker: 6.98.3 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <156320976209.27126.13700490841864452679.idtracker@ietfa.amsl.com> Date: Mon, 15 Jul 2019 09:56:02 -0700 From: IETF Secretariat Archived-At: Subject: [ippm] Milestones changed for ippm WG X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Jul 2019 16:56:02 -0000 Changed milestone "submit a Standards Track document to the IESG updating RFC2330 to cover IPv6", resolved as "Done", added draft-ietf-ippm-2330-ipv6 to milestone. URL: https://datatracker.ietf.org/wg/ippm/about/ From nobody Mon Jul 15 10:00:57 2019 Return-Path: X-Original-To: ippm@ietf.org Delivered-To: ippm@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 8FC4C1201EE for ; Mon, 15 Jul 2019 10:00:55 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit To: X-Test-IDTracker: no X-IETF-IDTracker: 6.98.3 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <156321005558.27237.14687518260002160492.idtracker@ietfa.amsl.com> Date: Mon, 15 Jul 2019 10:00:55 -0700 From: IETF Secretariat Archived-At: Subject: [ippm] Milestones changed for ippm WG X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Jul 2019 17:00:56 -0000 Changed milestone "submit a Standards Track document to the IESG defining initial contents of performance metric registry", resolved as "Done". 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Mon, 15 Jul 2019 17:43:45 +0000 From: "Frank Brockners (fbrockne)" To: "ippm@ietf.org" , "draft-ietf-ippm-route@ietf.org" Thread-Topic: a few notes on draft-ietf-ippm-route-04 Thread-Index: AdU7MUcjE/OSq8oMQoCo2W0zHnbUxQ== Date: Mon, 15 Jul 2019 17:43:45 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=fbrockne@cisco.com; x-originating-ip: [173.38.220.36] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 467bbdc3-5f31-4987-dbc0-08d7094bfc75 x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020); SRVR:MN2PR11MB3727; x-ms-traffictypediagnostic: MN2PR11MB3727: x-ms-exchange-purlcount: 2 x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8273; x-forefront-prvs: 00997889E7 x-forefront-antispam-report: SFV:NSPM; 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boundary="_000_MN2PR11MB3629E38104297DEC889EE565DACF0MN2PR11MB3629namp_" MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 467bbdc3-5f31-4987-dbc0-08d7094bfc75 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Jul 2019 17:43:45.6235 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: fbrockne@cisco.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR11MB3727 X-OriginatorOrg: cisco.com X-Outbound-SMTP-Client: 173.37.102.23, xch-rcd-013.cisco.com X-Outbound-Node: rcdn-core-5.cisco.com Archived-At: Subject: [ippm] a few notes on draft-ietf-ippm-route-04 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Jul 2019 17:44:50 -0000 --_000_MN2PR11MB3629E38104297DEC889EE565DACF0MN2PR11MB3629namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Just gave draft-ietf-ippm-route-04 a quick read through, as promised during= the last IPPM meeting in Prague. A few general notes: * Nomenclature: While I understand the objective to extend/update RFC 2330,= IMHO we need to adjust some of the terminology in the document to the curr= ent use from what was defined back in the 90s. The most problematic IMHO is= the term "host". RFC 2330 defines a "host" as "A computer capable of com= municating using the Internet protocols; includes "routers"". But if you co= nsider a more recent document like RFC 8200, there it is stated that a "hos= t" is "any node that is not a router." To grow the confusion, there are sen= tences like (see lines 179-181) "May contain hosts that do not decrement TT= L or Hop Limit, but may have two or more exchange links connecting "discove= rable" hosts or routers" which mix "host" and "host or router", despite the= fact that host would have been sufficient in this sentence. One potential resolution could be to evolve to using "nodes" as the superse= t of end-systems (now typically "hosts") and routers. And further on this topic: draft-ietf-ippm-route should apply to all types = of nodes, including nodes which run in a VM or as a container. Thus the old= definition that a host is "a computer" would need to be made more generic = in any case. The same applies to the term link which should include virtual= links and virtual interfaces (like a vhost interface), ip links to connect= namespaces etc. * Alignment of traceroute-style methods with hybrid methods in the discussi= on section (3.5). Suggest to harmonize section 3.5 with section 4.2; E.g. s= tatements like "If a discovered host always replies using the same network = address, regardless of the interface a packet arrives on, then multiple par= allel links cannot be detected in that network domain." apply well to trace= route-style methods, but might not be true for hybrid methods like IOAM. Si= milar considerations apply to the next bullet point. * Updating RFC 5388 (section 3.6): IMHO it would be good to at least get al= l the requirements for the update spelled out here. Doing the update in an = appendix would for sure be a plus but it would even be better if we had an = update data model as an IETF YANG model, hence punting the work to a new I-= D and just defining the requirements in the current doc is a good solution = IMHO. Editorial notes: General: consistent spelling for "Hop" (vs "hop"). TTL & HopLimit: In most of the places, TTL & HopLimit are mentioned on par,= but there are a few areas where I found it missing. See lines 155, 642, 64= 5, 1035, line 173: s/This a reality/Parallel paths are a reality/ 288: Define Hop first before you set requirements for "hop". 319: Make MP(address) a dedicated definition, e.g. "MP(address) =3D Measure= ment Point at address". What does MP actually mean for a host: Arrival on t= he NIC, arrival at the host stack, arrival at the softswitch, ..? 422: "turs" - not sure what this word means 489: s/In/in/ 576: s/FlowLable/FlowLabel/ 588: "no options": This reads v4 specific. Luckily the earlier sentence abo= ut bytes 20-23 applies to v4 and v6. 623: s/fields of TCP header/fields of the TCP header/ 625: s/for UDP case/for the UDP case/ 655: choose either "sequence number" or "Sequence Number" 718: Routing class identification: This seems to mostly assume ECMP based o= n hashing some fields from the packet. Add a discussion about size dependen= t scheduling methods / flowlet switching? 778: s/anomolous/anomalous/ 779: s/dely/delay/ 790: s/mesurement/measurement/ 791: s/anomolous/anomalous/ 816: s/source/encapsulating node/ 820: It might be worthwhile to mention that interface identification isn't = necessarily limited to IP, i.e. different links in a bundle (LACP) could be= identified. Equally well, links without explicit IP addresses can be ident= ified (like with unnumbered interfaces in an IGP deployment). 933: s/develop accurate/develop an accurate/ 1019: s/procedure allow us/procedure allows us/ 1161: RFC 8403 is published by now Cheers, Frank --_000_MN2PR11MB3629E38104297DEC889EE565DACF0MN2PR11MB3629namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Just gave draft-ietf-ippm-route-04 a quick read through, as promised during= the last IPPM meeting in Prague.

A few general notes:

* Nomenclature: While I understand the objective to extend/update RFC 2330,= IMHO we need to adjust some of the terminology in the document to the curr= ent use from what was defined back in the 90s. The most problematic IMHO is= the term “host”.   RFC 2330 defines a “host” as “A computer capable of communicating using t= he Internet protocols; includes "routers"”. But if you cons= ider a more recent document like RFC 8200, there it is stated that a “= ;host” is “any node that is not a router.” To grow the co= nfusion, there are sentences like (see lines 179-181) “May contain hosts that do no= t decrement TTL or Hop Limit, but may have two or more exchange links conne= cting "discoverable" hosts or routers” which mix “hos= t” and “host or router”, despite the fact that host would= have been sufficient in this sentence.
One potential resolution could be to evolve to using “nodes” as= the superset of end-systems (now typically “hosts”) and router= s.
And further on this topic: draft-ietf-ippm-route should apply to all types = of nodes, including nodes which run in a VM or as a container. Thus the old= definition that a host is “a computer” would need to be made m= ore generic in any case. The same applies to the term link which should include virtual links and virtual interfaces (l= ike a vhost interface), ip links to connect namespaces etc.  

* Alignment of traceroute-style methods with hybrid methods in the discussi= on section (3.5). Suggest to harmonize section 3.5 with section 4.2; E.g. s= tatements like "If a discovered host always replies using the same net= work address, regardless of the interface a packet arrives on, then multiple parallel links cannot be detected in th= at network domain." apply well to traceroute-style methods, but might = not be true for hybrid methods like IOAM. Similar considerations apply to t= he next bullet point.

* Updating RFC 5388 (section 3.6): IMHO it would be good to at least get al= l the requirements for the update spelled out here. Doing the update in an = appendix would for sure be a plus but it would even be better if we had an = update data model as an IETF YANG model, hence punting the work to a new I-D and just defining the requireme= nts in the current doc is a good solution IMHO.

Editorial notes:

General: consistent spelling for “Hop” (vs “hop”).<= o:p>

TTL & HopLimit: In most of the places, TTL & HopLimit are mentioned= on par, but there are a few areas where I found it missing. See lines 155,= 642, 645, 1035,

line 173: s/This a reality/Parallel paths are a reality/

288: Define Hop first before you set requirements for "hop".=

319: Make MP(address) a dedicated definition, e.g. "MP(address) =3D Me= asurement Point at address". What does MP actually mean for a host: Ar= rival on the NIC, arrival at the host stack, arrival at the softswitch, ..?=

422: "turs" - not sure what this word means

489: s/In/in/

576: s/FlowLable/FlowLabel/

588: "no options": This reads v4 specific. Luckily the earlier se= ntence about bytes 20-23 applies to v4 and v6.

623: s/fields of TCP header/fields of the TCP header/

625: s/for UDP case/for the UDP case/

655: choose either "sequence number" or "Sequence Number&quo= t;

718: Routing class identification: This seems to mostly assume ECMP based o= n hashing some fields from the packet. Add a discussion about size dependen= t scheduling methods / flowlet switching?

778: s/anomolous/anomalous/

779: s/dely/delay/

790: s/mesurement/measurement/

791: s/anomolous/anomalous/

816: s/source/encapsulating node/

820: It might be worthwhile to mention that interface identification isn't = necessarily limited to IP, i.e. different links in a bundle (LACP) could be= identified. Equally well, links without explicit IP addresses can be ident= ified (like with unnumbered interfaces in an IGP deployment).

933: s/develop accurate/develop an accurate/

1019: s/procedure allow us/procedure allows us/

1161: RFC 8403 is published by now

Cheers, Frank

 

 

 

 

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client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 8A0EB120413; Tue, 16 Jul 2019 05:27:52 -0700 (PDT) Received: by mail-lj1-x22f.google.com with SMTP id m23so19685508lje.12; Tue, 16 Jul 2019 05:27:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=t4mt/Vo+YkwbI13asmTGuN2DK8qXy70M5wrZE65AMNI=; b=SCK9VCSlWwHxouIg0KyEGA3r4ADGsa1Mcc160fOIOeWIBbTPAwPI2G7eVmcXua8Rg8 A85pZQS/DIy3chKDHAS1ZbK37ZRoxYYExdTmPRAl+q4W00VqB49A4Vz1l4cvS85R8eGc MS0b2oejsUcD0x/k7493hb/Juh4UpoeUYPc+KZqKZdD0ClHszjd2szAvj9QBZeyCBzV8 yeX3aJCLc1ucCfE7ukYz3QLhHh1Ex0yj//N5APtoNZlgbuIxx/OGgxSEzcmH/jE09AZ3 gUZA5G5z5zVeXGhztZBwFZwlHWmIOozNGBY8dmsOI3+p5+k9r4qn1jJPz5wdvRTBVJR5 9xXQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=t4mt/Vo+YkwbI13asmTGuN2DK8qXy70M5wrZE65AMNI=; b=hf5+SF7ho4ArQoIpQZkLkH89J4SwomQI8DihaDoeGHQufYZdVdlgODJB5KmqGwHd8i U/wwqE/DPnk0iIoiEVRaoDGxCCVEkQ92f67s/yb/nlF+THwgS5N+Mcdxk1WI4gQqKxmK ojhiE5LgQtKox8VCzGq/gc2LCK7vWrWhuyJkcImSk041INWaLqL8KR0XXrdL4CWU6WOB abu8BIkEXAOh9CNk1pyIn5WB9SziIv2Xd1Gyzi1KGW3YGpmHEXROAE8rF4VXjcm1SjUE kTqyE4EBWdpGQ37pWK5zNJgyTAZvDCfanaxzSQWnElOIg/4oI5GJ49JbKK4UGwsvpn3V MEtA== X-Gm-Message-State: APjAAAUtoQMd83shhqdCOyKDFadG+5np/IBZDlPxliFjiHIR4mDb9ib+ mjLmSCAbVSTHl0FePich8d+mjnEXyUCfz+Jbjw== X-Google-Smtp-Source: APXvYqxYYzCCNdLsYdcaksxy6zZHc87ObsrFWfC4tt8ATD2fd07oGkeSLILINujEtKmR9VIqUhwyQA9EYV63zasVbSU= X-Received: by 2002:a2e:b4c9:: with SMTP id r9mr17372132ljm.196.1563280070685; Tue, 16 Jul 2019 05:27:50 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Rakesh Gandhi Date: Tue, 16 Jul 2019 08:27:39 -0400 Message-ID: To: Tianran Zhou Cc: Tommy Pauly , "draft-mirsky-ippm-stamp-option-tlv@ietf.org" , IETF IPPM WG Content-Type: multipart/alternative; boundary="0000000000004c3936058dcb815e" Archived-At: Subject: Re: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tlv X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Jul 2019 12:27:56 -0000 --0000000000004c3936058dcb815e Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Tianran, Yes, in some use-cases the TLV can carry the counters from the CPU processing (e.g. control-plane). In other use-cases, as the counters for the direct-mode LM (for actual data traffic) are in the hardware itself, the hardware can counter-stamp the probe packets just like time-stamping for DM Thanks, Rakesh On Mon, Jul 15, 2019 at 11:05 PM Tianran Zhou wrote: > Hi Rakesh, > > > > I am not clear why the direct loss test need to be hardware friendly. > > It seems the STAMP is end to end over UDP. It could be CPU processing. > > > > Tianran > > > > *From:* ippm [mailto:ippm-bounces@ietf.org] *On Behalf Of *Rakesh Gandhi > *Sent:* Monday, July 15, 2019 10:48 PM > *To:* Tommy Pauly > *Cc:* draft-mirsky-ippm-stamp-option-tlv@ietf.org; IETF IPPM WG < > ippm@ietf.org> > *Subject:* Re: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tl= v > > > > Hi Authors, > > There were couple of items discussed on the mailing list and have added > them below for convenience. Like to see them addressed in the adopted dra= ft. > > > > Thanks, > > Rakesh > > > > ------------------------------ > > Regarding the size of the padding, yes, it's good to use the same size > payload for query and response. > > However, the STAMP payload with TLV extension > (draft-mirsky-ippm-stamp-option-tlv-01) has slightly different padding si= ze > of 30 MBZ vs 27 ( or > 29)in draft-ietf-ippm-stamp. Is there a way to mak= e > them compatible? Does it mean that for STAMP with TLV, Server Octets is s= et > to 1, but it says MBZ 0 for all 30 bytes.. If the responder supports Serv= er > Octets and see the size > 27, it may find the Server Octet size of 0 > confusing? > > > > -------------------------- > > > > The direct measurement TLV proposed in the draft may not be hardware > friendly for actual data traffic loss measurement due to the need to sear= ch > the presence of the TLV and the counter offset not always fixed due to th= e > variable length payload. Also, it overloads the delay measurement probes > just for measuring packet loss which complicates the implementation. > > GIM>> The Direct Loss TLV is intended to immediately follow the STAMP tes= t > packet and thus its location is known. We'll work on the text to guide > implementations to be more HW friendly and support efficient testing. > > > > Revised format looks like following: > > > > 0 1 2 3 > > 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 > > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > > | Sequence Number | > > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > > | Timestamp | > > | | > > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > > | Error Estimate | | > > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | > > | | > > | | > > | MBZ (30 octets) | > > | | > > | | > > | | > > | | > > * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+* > > * |* * Direct Measurement Type* * |* * Length* > * |* > > * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+* > > * |* * Session-Sender Tx counter* * (S_TxC)* > *|* > > * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+* > > * |* * Session-Reflector Rx counter* * (R_RxC)* > * |* > > * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+* > > * |* * Session-Reflector Tx counter* * (R_TxC)* > * |* > > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > > | Type | Length | > > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > > ~ Value ~ > > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > > > > On Mon, Jul 8, 2019 at 6:53 PM Tommy Pauly 40apple.com@dmarc.ietf.org> wrote: > > Hello IPPM, > > > > This message begins an adoption call for > draft-mirsky-ippm-stamp-option-tlv, "Simple Two-way Active Measurement > Protocol Optional Extensions=E2=80=9D. The document has been discussed on= the list > recently, with good input and reviews from the group. We=E2=80=99d like t= o get the > working group=E2=80=99s input on if this document should be adopted and w= orked on > by the group. > > > > The current status and text of the document can be found here: > > > > https://datatracker.ietf.org/doc/draft-mirsky-ippm-stamp-option-tlv/ > > https://tools.ietf.org/html/draft-mirsky-ippm-stamp-option-tlv-05 > > > > Please respond to this email by *Tuesday, July 23* to indicate whether or > not you think IPPM should adopt and work on the extensions and extension > mechanism described in this draft. > > > > Best, > Tommy (as IPPM co-chair) > > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm > > --0000000000004c3936058dcb815e Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Tianran,
Yes, in some use-cases the TLV = can carry the counters from the CPU processing (e.g. control-plane). In oth= er use-cases, as the counters for the direct-mode LM (for actual data traff= ic) are in the hardware itself, the hardware can counter-stamp the probe pa= ckets just like time-stamping for DM

Thanks,
Rakesh



=



On Mon, Jul 15, 2019 at 11:05 PM Tianran Zhou= <zhoutianran@huawei.com&g= t; wrote:

Hi Rakesh,

=C2=A0=

I am not clear w= hy the direct loss test need to be hardware friendly.<= /p>

It seems the STA= MP is end to end over UDP. It could be CPU processing.=

=C2=A0=

Tianran

=C2=A0=

From: ippm= [mailto:ippm-bo= unces@ietf.org] On Behalf Of Rakesh Gandhi
Sent: Monday, July 15, 2019 10:48 PM
To: Tommy Pauly <tpauly=3D40apple.com@dmarc.ietf.org>
Cc: draft-mirsky-ippm-stamp-option-tlv@ietf.org; IETF IPPM= WG <ippm@ietf.org>
Subject: Re: [ippm] Adoption call for draft-mirsky-ippm-stamp-option= -tlv

=C2=A0

Hi Authors,

There were couple of items disc= ussed on the mailing list and have added them below for convenience. Like t= o see them addressed in the adopted draft.

=C2=A0

Thanks,

Rakesh

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0

------------------------------<= span style=3D"font-family:"Calibri",sans-serif" lang=3D"EN-US">

Regarding the size of the padding, yes= , it's good to use the same size payload for query and response.= <= u>

However, the STAMP payload with TLV ex= tension (draft-mirsky-ippm-stamp-option-tlv-01) has slightly different padd= ing size of 30 MBZ vs 27 ( or > 29)in draft-ietf-ippm-stamp. Is there a way to make them compatible? Does it mean that for STAMP with T= LV, Server Octets is set to 1, but it says MBZ 0 for all 30 bytes.. If the = responder supports Server Octets and see the size > 27, it may find the = Server Octet size of 0 confusing?

=C2=A0

--------------------------

=C2=A0

The direct= measurement TLV proposed in the draft may not be hardware friendly for act= ual data traffic loss measurement due to the need to search the presence of the TLV and the counter offset not always fixed = due to the variable length payload. Also, it overloads the delay measuremen= t probes just for measuring packet loss which complicates the implementatio= n.

GIM>> The Direct Loss TLV is int= ended to immediately follow the STAMP test packet and thus its location is = known. We'll work on the text to guide implementations to be more HW friendly and support efficient testing.=C2=A0

=C2=A0

<RG> Revised format looks like f= ollowing:

=C2=A0

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= 0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 1=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 2=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0 3

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= 0 1 2 3 = 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Sequence Number=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0 Timestamp=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0|= <= u>

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Error Estimate=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 MBZ (30 octets)=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0|<= /p>

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 | =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0|

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+<= /u>

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0 Direct Measurement Type=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0 Length=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+<= /u>

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0 Session-Sender Tx counter=C2=A0 (S_TxC)= =C2=A0 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0|

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+<= /u>

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0 Session-Reflector Rx counter=C2=A0 (R_RxC)=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+<= /u>

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0 Session-Reflector Tx counter=C2=A0 (R_TxC)=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= Type=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0 Length=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ~=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0 Value=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ~=

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0

Hello IPPM,

=C2=A0

This message begins an adoption= call for draft-mirsky-ippm-stamp-option-tlv, "Simple Two-way Active M= easurement Protocol Optional Extensions=E2=80=9D. The document has been dis= cussed on the list recently, with good input and reviews from the group. We=E2=80=99d like to get the working group=E2=80= =99s input on if this document should be adopted and worked on by the group= .

=C2=A0

The current status and text of = the document can be found here:

=C2=A0

=C2=A0

Please respond to this email by= Tuesday, July 23=C2=A0to indicate whether or not you think IPPM sho= uld adopt and work on the extensions and extension mechanism described in t= his draft.

=C2=A0

Best,
Tommy (as IPPM co-chair)

_______________________________= ________________
ippm mailing list
ippm@ietf.org
ht= tps://www.ietf.org/mailman/listinfo/ippm

--0000000000004c3936058dcb815e-- From nobody Tue Jul 16 08:19:40 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D8FD012075D; Tue, 16 Jul 2019 08:19:38 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.997 X-Spam-Level: X-Spam-Status: No, score=-1.997 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id eB-05w6dwaLu; Tue, 16 Jul 2019 08:19:36 -0700 (PDT) Received: from mail-lf1-x131.google.com (mail-lf1-x131.google.com [IPv6:2a00:1450:4864:20::131]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6E72412075B; Tue, 16 Jul 2019 08:19:35 -0700 (PDT) Received: by mail-lf1-x131.google.com with SMTP id 62so9122374lfa.8; Tue, 16 Jul 2019 08:19:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=OT2XMBMNch4eWTEjg9zEJJGvgtJoHvqrXE8CAXmCEP4=; b=VWQep/Drb5P0A54EVHyITKHc/fFNn7i0A/D6GDLHVdciii48QyjvYpiE9wrJgU8+5h 74f/D8MS+lvN7+L6cSJgvHx5p6AuM5II5SZPvnzhsxQqclsYLtWSD8t7Ym4SFqe42Mnq r80pWPv/rqDfEu5iVgpQ4WjmjtBvp2jhjyP2Bi3QGDpKCgwT5cDc2k5nSfoSEgYoyjNl dIhrx80WRwdS8xxY+hUWR20/1lo3vcbXk9AKhtVuzqPR+DnZzrj3Q8MuaGb7LlGAXIj7 S7MkdWsLFaBAlS9hviVGu1HPFhAZd4NFpK69yZNwTPXrOKAvhPMtGYMiI+zCXyR22lHB h0EQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=OT2XMBMNch4eWTEjg9zEJJGvgtJoHvqrXE8CAXmCEP4=; b=OBG5JaC9rTZX07UHdY1LY5ij0OtnpwES8ZRJoe3T5hpCZ1mS5ONIfGufhe27gQ/vOQ 4/kHKIqAwrvlAZ5Xf7dRhQ5WOesEOLMrJ6N+ospTZ3U7jgivysm7lkeii73wRE3eVWbX tIqirMtGFY644XiuDgDmNY2o0+j0oBsC72mYP17yHnMtZOmgfmkSRcX9w9eRf2ugWeFt 4VZiUuIm+4PHNT5dwBk6qJYztBzDoSOhRVy3UXLHkwYSrxSFBhkfn2pzl6Kvw5J0l8rd C9Y3oH4mSViYZDEQZ5Ha4ctiZ25d9Lu8mA110mnUEhDg1z5xcRmT7k2w3RDpe9pLMb0i axww== X-Gm-Message-State: APjAAAWpkRFLUTvAf8cXTO/Jk1nJ9jULaph5HAaIPqq01ZhjpY1v8rXm r+6zbzNafMk5jCrmsM4OXyggssVZSsx1xU2v1Vs= X-Google-Smtp-Source: APXvYqwS4POXmjM1ymoUH/x27iacwesNMvyA+wgLfn1gESGMKbUm0i2BJXfuYC08nEgAmx3r740U7maki1uZCX7FaOc= X-Received: by 2002:ac2:5c1d:: with SMTP id r29mr13820706lfp.72.1563290373645; Tue, 16 Jul 2019 08:19:33 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Greg Mirsky Date: Tue, 16 Jul 2019 08:19:22 -0700 Message-ID: To: Rakesh Gandhi Cc: Tianran Zhou , Tommy Pauly , "draft-mirsky-ippm-stamp-option-tlv@ietf.org" , IETF IPPM WG Content-Type: multipart/alternative; boundary="00000000000066e829058dcde759" Archived-At: Subject: Re: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tlv X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Jul 2019 15:19:39 -0000 --00000000000066e829058dcde759 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Rakesh, I think that there could be various methods to optimize PM OAM ranging from HW-based to CPU-centric with a number of "bump on a wire" solutions. Regards, Greg On Tue, Jul 16, 2019 at 5:27 AM Rakesh Gandhi wrote: > Hi Tianran, > Yes, in some use-cases the TLV can carry the counters from the CPU > processing (e.g. control-plane). In other use-cases, as the counters for > the direct-mode LM (for actual data traffic) are in the hardware itself, > the hardware can counter-stamp the probe packets just like time-stamping > for DM > > Thanks, > Rakesh > > > > > > > > On Mon, Jul 15, 2019 at 11:05 PM Tianran Zhou > wrote: > >> Hi Rakesh, >> >> >> >> I am not clear why the direct loss test need to be hardware friendly. >> >> It seems the STAMP is end to end over UDP. It could be CPU processing. >> >> >> >> Tianran >> >> >> >> *From:* ippm [mailto:ippm-bounces@ietf.org] *On Behalf Of *Rakesh Gandhi >> *Sent:* Monday, July 15, 2019 10:48 PM >> *To:* Tommy Pauly >> *Cc:* draft-mirsky-ippm-stamp-option-tlv@ietf.org; IETF IPPM WG < >> ippm@ietf.org> >> *Subject:* Re: [ippm] Adoption call for >> draft-mirsky-ippm-stamp-option-tlv >> >> >> >> Hi Authors, >> >> There were couple of items discussed on the mailing list and have added >> them below for convenience. Like to see them addressed in the adopted dr= aft. >> >> >> >> Thanks, >> >> Rakesh >> >> >> >> ------------------------------ >> >> Regarding the size of the padding, yes, it's good to use the same size >> payload for query and response. >> >> However, the STAMP payload with TLV extension >> (draft-mirsky-ippm-stamp-option-tlv-01) has slightly different padding s= ize >> of 30 MBZ vs 27 ( or > 29)in draft-ietf-ippm-stamp. Is there a way to ma= ke >> them compatible? Does it mean that for STAMP with TLV, Server Octets is = set >> to 1, but it says MBZ 0 for all 30 bytes.. If the responder supports Ser= ver >> Octets and see the size > 27, it may find the Server Octet size of 0 >> confusing? >> >> >> >> -------------------------- >> >> >> >> The direct measurement TLV proposed in the draft may not be hardware >> friendly for actual data traffic loss measurement due to the need to sea= rch >> the presence of the TLV and the counter offset not always fixed due to t= he >> variable length payload. Also, it overloads the delay measurement probes >> just for measuring packet loss which complicates the implementation. >> >> GIM>> The Direct Loss TLV is intended to immediately follow the STAMP >> test packet and thus its location is known. We'll work on the text to gu= ide >> implementations to be more HW friendly and support efficient testing. >> >> >> >> Revised format looks like following: >> >> >> >> 0 1 2 3 >> >> 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 >> >> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ >> >> | Sequence Number | >> >> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ >> >> | Timestamp | >> >> | | >> >> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ >> >> | Error Estimate | | >> >> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | >> >> | | >> >> | | >> >> | MBZ (30 octets) | >> >> | | >> >> | | >> >> | | >> >> | | >> >> * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+= * >> >> * |* * Direct Measurement Type* * |* * Length* >> * |* >> >> * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+= * >> >> * |* * Session-Sender Tx counter* * (S_TxC)* >> *|* >> >> * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+= * >> >> * |* * Session-Reflector Rx counter* * (R_RxC)* >> * |* >> >> * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+= * >> >> * |* * Session-Reflector Tx counter* * (R_TxC)* >> * |* >> >> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ >> >> | Type | Length | >> >> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ >> >> ~ Value ~ >> >> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ >> >> >> >> On Mon, Jul 8, 2019 at 6:53 PM Tommy Pauly > 40apple.com@dmarc.ietf.org> wrote: >> >> Hello IPPM, >> >> >> >> This message begins an adoption call for >> draft-mirsky-ippm-stamp-option-tlv, "Simple Two-way Active Measurement >> Protocol Optional Extensions=E2=80=9D. The document has been discussed o= n the list >> recently, with good input and reviews from the group. We=E2=80=99d like = to get the >> working group=E2=80=99s input on if this document should be adopted and = worked on >> by the group. >> >> >> >> The current status and text of the document can be found here: >> >> >> >> https://datatracker.ietf.org/doc/draft-mirsky-ippm-stamp-option-tlv/ >> >> https://tools.ietf.org/html/draft-mirsky-ippm-stamp-option-tlv-05 >> >> >> >> Please respond to this email by *Tuesday, July 23* to indicate whether >> or not you think IPPM should adopt and work on the extensions and extens= ion >> mechanism described in this draft. >> >> >> >> Best, >> Tommy (as IPPM co-chair) >> >> _______________________________________________ >> ippm mailing list >> ippm@ietf.org >> https://www.ietf.org/mailman/listinfo/ippm >> >> --00000000000066e829058dcde759 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Rakesh,
I think that there could be various methods= to optimize PM OAM ranging from HW-based to CPU-centric with a number of &= quot;bump on a wire" solutions.

Regards,
Greg

On Tue, Jul 16, 2019 at 5:27 AM Rakesh Gandhi <rgandhi.ietf@gmail.com> wrote:
<= div>Hi Tianran,
Yes, in some use-cases the TLV can carry the coun= ters from the CPU processing (e.g. control-plane). In other use-cases, as t= he counters for the direct-mode LM (for actual data traffic) are in the har= dware itself, the hardware can counter-stamp the probe packets just like ti= me-stamping for DM

Thanks,
Rakesh






On Mon, Jul 15, 2019 at 11:05 PM Tianran Zhou <zhoutianran@huawei.com>= ; wrote:

Hi Rakesh,

=C2=A0=

I am not clear w= hy the direct loss test need to be hardware friendly.<= /p>

It seems the STA= MP is end to end over UDP. It could be CPU processing.=

=C2=A0=

Tianran

=C2=A0=

From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Rakesh Gandhi
Sent: Monday, July 15, 2019 10:48 PM
To: Tommy Pauly <tpauly=3D40apple.com@dmarc.ietf.org>
Cc: draft-mirsky-ippm-stamp-option-tlv@ietf.org; IETF IPPM= WG <ippm@ietf.org>
Subject: Re: [ippm] Adoption call for draft-mirsky-ippm-stamp-option= -tlv

=C2=A0

Hi Authors,

There were couple of items disc= ussed on the mailing list and have added them below for convenience. Like t= o see them addressed in the adopted draft.

=C2=A0

Thanks,

Rakesh

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0

------------------------------

Regarding the size of the padding, yes, it's g= ood to use the same size payload for query and response.

However, the STAMP payload with TLV extension (dra= ft-mirsky-ippm-stamp-option-tlv-01) has slightly different padding size of = 30 MBZ vs 27 ( or > 29)in draft-ietf-ippm-stamp. Is there a way to make them compatible? Does it mean that for STAMP with T= LV, Server Octets is set to 1, but it says MBZ 0 for all 30 bytes.. If the = responder supports Server Octets and see the size > 27, it may find the = Server Octet size of 0 confusing?

=C2=A0

--------------------------

=C2=A0

The direct measurement= TLV proposed in the draft may not be hardware friendly for actual data tra= ffic loss measurement due to the need to search the presence of the TLV and the counter offset not always fixed = due to the variable length payload. Also, it overloads the delay measuremen= t probes just for measuring packet loss which complicates the implementatio= n.<= /u>

GIM>> The Direct Loss TLV is intended to imm= ediately follow the STAMP test packet and thus its location is known. We= 9;ll work on the text to guide implementations to be more HW friendly and support efficient testing.=C2=A0=

=C2=A0

<RG> Revised format looks like following:

=C2=A0

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0 1=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 2=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0 3<= /u>

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 0 1 2 3 4 5 6 7 8 9= 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Sequence Number=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Timestamp=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0|

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0 Error Estimate=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0 |<= /u>

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-= +-+-+-+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |<= /u>

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |<= /u>

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |<= /u>

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 MBZ (30 octets)=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0 |=

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0|

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |<= /u>

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 | =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0|<= /u>

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |<= /u>

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |<= span style=3D"font-size:11pt;font-family:Cambria,serif" lang=3D"EN-US">=C2= =A0=C2=A0=C2=A0 Direct Measurement Type=C2=A0=C2=A0=C2=A0 |<= span style=3D"font-size:11pt;font-family:Cambria,serif" lang=3D"EN-US">=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Length=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |<= span style=3D"font-size:11pt;font-family:Cambria,serif" lang=3D"EN-US">=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Session-Sender Tx counter=C2=A0 (S_TxC)=C2=A0 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0|

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |<= span style=3D"font-size:11pt;font-family:Cambria,serif" lang=3D"EN-US">=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Session-Reflector Rx counter=C2=A0 (R_RxC)=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |<= span style=3D"font-size:11pt;font-family:Cambria,serif" lang=3D"EN-US">=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Session-Reflector Tx counter=C2=A0 (R_TxC)=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Type=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0 Length=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0 |

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ~=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Value=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ~

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +-+-+-+-+-+-+-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

=C2=A0

Hello IPPM,

=C2=A0

This message begins an adoption= call for draft-mirsky-ippm-stamp-option-tlv, "Simple Two-way Active M= easurement Protocol Optional Extensions=E2=80=9D. The document has been dis= cussed on the list recently, with good input and reviews from the group. We=E2=80=99d like to get the working group=E2=80= =99s input on if this document should be adopted and worked on by the group= .

=C2=A0

The current status and text of = the document can be found here:

=C2=A0

=C2=A0

Please respond to this email by= Tuesday, July 23=C2=A0to indicate whether or not you think IPPM sho= uld adopt and work on the extensions and extension mechanism described in t= his draft.

=C2=A0

Best,
Tommy (as IPPM co-chair)

_______________________________= ________________
ippm mailing list
ippm@ietf.org
ht= tps://www.ietf.org/mailman/listinfo/ippm

--00000000000066e829058dcde759-- From nobody Tue Jul 16 08:24:59 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id EC68C120790; Tue, 16 Jul 2019 08:24:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id T4d7zyB4qaeE; Tue, 16 Jul 2019 08:24:56 -0700 (PDT) Received: from mail-lj1-x230.google.com (mail-lj1-x230.google.com [IPv6:2a00:1450:4864:20::230]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 03A0F12078E; Tue, 16 Jul 2019 08:24:56 -0700 (PDT) Received: by mail-lj1-x230.google.com with SMTP id i21so20394760ljj.3; Tue, 16 Jul 2019 08:24:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=huTIZ3EnIoIvBnggF6jYuAmmtBXw1KAzh/gw+vAR4MM=; b=m9wQeuPVTjkHJ4o78jPph5aTt2qNh02E7tw/dssSxHQhUT0jC45Xucsz2aCfDi1XaG JuHrMg4uql7kT1eYI1QnJ3KKgMwfyPykXp5ITK9Id6Yvm7JixAMcQDgl7HFphxki1PP0 yWcqjr8MWNwNL6CnDLRX+1eq86O6/s02KIDqOjzwSkKLLYEoVf0XfOJ6ikAb4AGEyRhq AHBINfPyWqdHmSppqjR23o7sro2jq3SKhWXX2OOLUh5NdfikqDOPIvyd+ycex13qsP2w HBfvkWRsPZawK8GZNGI3AaZahcbBjtScAz2PoKxSxTGfo8MrlPGkKFHcMATcQRv/k0RW yMTg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=huTIZ3EnIoIvBnggF6jYuAmmtBXw1KAzh/gw+vAR4MM=; b=Dkj21hUQCH8Spo5TrH1Cj1OF/z/TrqY5F2lMN97Ll3VuEatOEKfmOjghve70+5NQ/c +vm1ZkICvOj3/zNt+eb7PE61G9rQl0KJW6ZJElrPwaPRWFrx2Mq/ge/x1mwW8nJAXxM+ wUeLjG3/mXINt8uoFBravpk8c5W+MP6rrNEv1Ir9h40DGcaSXR9DGo4gy1rSTT1rYqV6 Tiz1xBY5nZ1G0+PfpKoKmgpJ8jCWjY4wIRFiW0broVEqekliWvtZS3BGdgVdlgUvjIzw aCFO+G1Yh6lH5F8+MmwHg5TyFzpSoqY+4/ScxuN+qg4s/LiygsCl2dBXVtBiUVDRFqaC pQEw== X-Gm-Message-State: APjAAAWZTjBR3APaC/jRlmaBW6EK1386IXletGhEX7NGOIk8P4bwus9o 6n4IeJAHHyDgAVOVXXaLyuFeqOcpHWyRA0o6O9I= X-Google-Smtp-Source: APXvYqzSMpEePnfr2j0MDJ2VRFXZN8OdjXpDc1A+CWWkSMd25j7xLK7tn9WK06CT86+eE8aMJxnEwtkpBsQjdH+sppA= X-Received: by 2002:a2e:7614:: with SMTP id r20mr18213429ljc.42.1563290694118; Tue, 16 Jul 2019 08:24:54 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Greg Mirsky Date: Tue, 16 Jul 2019 08:24:43 -0700 Message-ID: To: Rakesh Gandhi Cc: Tommy Pauly , IETF IPPM WG , draft-mirsky-ippm-stamp-option-tlv@ietf.org Content-Type: multipart/alternative; boundary="00000000000080f06f058dcdfa07" Archived-At: Subject: Re: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tlv X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Jul 2019 15:24:58 -0000 --00000000000080f06f058dcdfa07 Content-Type: text/plain; charset="UTF-8" Hi Rakesh, thank you for your insightful comments that have helped us to improve the specification. Unfortunately, I couldn't find the summary of the questions we've discussed. Could you kindly re-send them? Regards, Greg On Mon, Jul 15, 2019 at 7:48 AM Rakesh Gandhi wrote: > Hi Authors, > There were couple of items discussed on the mailing list and have added > them below for convenience. Like to see them addressed in the adopted draft --00000000000080f06f058dcdfa07 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Rakesh,
thank you for your insightful co= mments that have helped us to improve the specification. Unfortunately, I c= ouldn't find the summary of the questions we've discussed. Could yo= u kindly re-send them?

Regards,
Greg
On M= on, Jul 15, 2019 at 7:48 AM Rakesh Gandhi <rgandhi.ietf@gmail.com> wrote:
Hi Authors,
There were couple of items discussed on the mailing list and have added
them below for convenience. Like to see them addressed in the adopted draft=
--00000000000080f06f058dcdfa07-- From nobody Tue Jul 16 18:23:29 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 68A081200B4; Tue, 16 Jul 2019 18:23:27 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.199 X-Spam-Level: X-Spam-Status: No, score=-4.199 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id g-EqEo012Jjy; Tue, 16 Jul 2019 18:23:25 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 493B512004A; 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with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 42EC012006D for ; Tue, 16 Jul 2019 23:35:56 -0700 (PDT) Received: from lhreml704-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id 407AB5194AB344D1526A for ; Wed, 17 Jul 2019 07:35:54 +0100 (IST) Received: from DGGEML403-HUB.china.huawei.com (10.3.17.33) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 17 Jul 2019 07:35:53 +0100 Received: from DGGEML512-MBX.china.huawei.com ([169.254.2.81]) by DGGEML403-HUB.china.huawei.com ([fe80::74d9:c659:fbec:21fa%31]) with mapi id 14.03.0439.000; Wed, 17 Jul 2019 14:35:21 +0800 From: "Pengshuping (Peng Shuping)" To: IETF IPPM WG Thread-Topic: IETF105 APN6 Side Meeting, Thursday Moring @Notre Dame Room Thread-Index: AdU8aaJ9vxLolVIYSGS3OxLOOgP3kg== Date: Wed, 17 Jul 2019 06:35:20 +0000 Message-ID: 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tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id P-9zJ5q3OuB6; Thu, 18 Jul 2019 09:19:20 -0700 (PDT) Received: from slice.pfrc.org (slice.pfrc.org [67.207.130.108]) by ietfa.amsl.com (Postfix) with ESMTP id E25F512084D; Thu, 18 Jul 2019 09:19:19 -0700 (PDT) Received: by slice.pfrc.org (Postfix, from userid 1001) id 8976B1E2F2; Thu, 18 Jul 2019 12:21:01 -0400 (EDT) Date: Thu, 18 Jul 2019 12:21:01 -0400 From: Jeffrey Haas To: ippm@ietf.org, tsv-chairs@ietf.org, int-chairs@ietf.org, rtg-chairs@ietf.org Message-ID: <20190718162101.GF21401@pfrc.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Archived-At: Subject: [ippm] Extending BFD for general IETF OAM extensions X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Jul 2019 16:19:21 -0000 Please excuse this widecast. BFD (bi-directional forwarding detection) will be meeting at IETF 105 during the Tuesday 17:10 session. During this session, we will be having an open discussion regarding BFD as a potential carrier for more general OAM functions. Somewhat similar to other popular protocols, there's been continuing discussion about how to pack other interesting things into BFD. In prior years, the BFD working group has largely kept the protocol bounded to its core functionality. This discussion will be to determine whether BFD is an appropriate mechanism for such future extensions. It is the chairs' belief that this discussion will eventually expand to other working groups in the context of "what is OAM in IETF". Please note that BFD is not currently chartered for such a wide topic. The BFD chairs would like to request interested parties to attend our session to help inform this discussion. The following non-working group draft may be of interest as an example of this discussion: https://tools.ietf.org/html/draft-mirmin-bfd-extended-01 -- Jeff & Reshad From nobody Fri Jul 19 14:11:43 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9E4A3120A44 for ; Fri, 19 Jul 2019 14:11:41 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.3 X-Spam-Level: X-Spam-Status: No, score=-4.3 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=uliege.be Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0ElGPdw0dl-6 for ; Fri, 19 Jul 2019 14:11:38 -0700 (PDT) Received: from serv108.segi.ulg.ac.be (serv108.segi.ulg.ac.be [139.165.32.111]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C774A1207E2 for ; Fri, 19 Jul 2019 14:11:38 -0700 (PDT) Received: from mbx12-zne.ulg.ac.be (serv470.segi.ulg.ac.be [139.165.32.199]) by serv108.segi.ulg.ac.be (Postfix) with ESMTP id C489B2010B8B for ; Fri, 19 Jul 2019 23:11:35 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 serv108.segi.ulg.ac.be C489B2010B8B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=uliege.be; s=ulg20190529; t=1563570695; bh=mieD0RaQJ3uF68XbJXbfGkybSVm5hE5v2d6NWrNz38A=; h=Date:From:Reply-To:To:Subject:From; b=fWPrMz6b5AZcukd2Bq3M2UrxJVoCQZIo+lYqZ4Cdl9vsei6+/OoRFARKdESQ3WCT+ 1h/ynXdTLiBK7awYcFFYH0TjnPhMQNLgrSlb48HHlgDvWQIdqcfb77gQwMLTp5RZ0/ gyJJw6ZXUmugh7Qc42vu8Ps4YH9xqn+/kIFJXDvgzSkf9HDnlflK56TBPraucfZ00O Wdp1ibY+jgjjH52yrNASI+w0LVOyHm2pSR9uZQcbcu79+H81RqxBUjPysJupRdGzty dwNXCeB6ab2q80Bwghwd34m1r57lbNUiL3wlP0PRt2E+gII2HlI5zbXS6k3j5x0irQ UAf/iHLeFI6dg== Received: from localhost (localhost.localdomain [127.0.0.1]) by mbx12-zne.ulg.ac.be (Postfix) with ESMTP id B998C129E937 for ; Fri, 19 Jul 2019 23:11:35 +0200 (CEST) Received: from mbx12-zne.ulg.ac.be ([127.0.0.1]) by localhost (mbx12-zne.ulg.ac.be [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id pwCR1aFOyX95 for ; Fri, 19 Jul 2019 23:11:35 +0200 (CEST) Received: from mbx12-zne.ulg.ac.be (mbx12-zne.ulg.ac.be [139.165.32.199]) by mbx12-zne.ulg.ac.be (Postfix) with ESMTP id 9B41E129E934 for ; Fri, 19 Jul 2019 23:11:35 +0200 (CEST) Date: Fri, 19 Jul 2019 23:11:35 +0200 (CEST) From: Justin Iurman Reply-To: Justin Iurman To: ippm@ietf.org Message-ID: <706347089.27428826.1563570695466.JavaMail.zimbra@uliege.be> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [87.65.128.148] X-Mailer: Zimbra 8.8.11_GA_3780 (ZimbraWebClient - FF68 (Linux)/8.8.11_GA_3787) Thread-Index: QsmM4V+t2qXnnAg057IapqU5BH/HIw== Thread-Topic: IOAM implementation linux kernel Archived-At: Subject: [ippm] IOAM implementation linux kernel X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Jul 2019 21:11:42 -0000 Dear all, As you may have already noticed, I'll be giving a 10min talk on the implementation of IOAM (IPv6) inside the Linux kernel [1], on Wednesday @02:05 PM. As quickly as possible in 10 minutes, I'll try to explain some key aspects of the implementation and discuss early results as well as important points. The implementation is based on drafts [2] and [3]. For those interested, if you want more details or have any question before the talk, feel free to ask or visit the git repository. Thanks, Justin [1] https://github.com/IurmanJ/kernel_ipv6_ioam [2] https://tools.ietf.org/html/draft-ioametal-ippm-6man-ioam-ipv6-options-02 [3] https://tools.ietf.org/html/draft-ietf-ippm-ioam-data-05 From nobody Fri Jul 19 14:27:47 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 47630120090 for ; Fri, 19 Jul 2019 14:27:46 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=quantonium-net.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id pNtW-2PAX2tV for ; Fri, 19 Jul 2019 14:27:44 -0700 (PDT) Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D118E120033 for ; Fri, 19 Jul 2019 14:27:43 -0700 (PDT) Received: by mail-wr1-x42c.google.com with SMTP id z1so33486075wru.13 for ; Fri, 19 Jul 2019 14:27:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quantonium-net.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=Rf2WNKXvOWTA4Aq1ZqBVhikUe8DazFFzubq9BH+4aNE=; b=F7Nw/9GvkyOnREH15jJAClSgOf6ZUEuqishCp4K+33lEHDeMddP4IY9d5PldWVZpxB HUNx033HG4ICko5JQsPhcPSy0mrdmXMH3ijxU4RacucDLnD9JhfVVK3WKhFsmTH+7laP YuRGwnSsPdy/U3/hiCpbC7mxyzBWgNJvk2RBuvX3rcqH+p1itiYho0jnOitisKvA3k+8 bbcbYCCpOWG4I/z/07g3mHjxTPCg1HePPGO9WiCRJtvfwoi2DSjNAtGO4aD1GXo27a4V Fuq3duDDpnQhn5CTDRDd7Llq6ujM7+gGMzhFBkotOmr/fEdaWwUHiPLKYi9NXyp4nJv0 VAhw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=Rf2WNKXvOWTA4Aq1ZqBVhikUe8DazFFzubq9BH+4aNE=; b=tkMGOEgp6IIrBgmI54U72lPnvsyyyT9vyGd61aBykTLAXvJy6zeG6rJ0+xSNc038U9 QDuoHL/XgSIn7jBLnxRwsqVlyUmgSal3CX5Tzi/WW4mr3YOGE614dtnhlg505FfSgzEV PWF2X1ZpE+Ka7pFbiIz9nCimEMXPDsYcHQT+ciFeVLdk5XUYiED9gjoDuHbKA2musvK2 PjSe/B9qdKNEtxwa+wIGixElBBgHqGpaweslPBYOGJB1Wi88AQ679TiAnsJLtymKUHD0 ckpVmcX45Y33iIRSpcsb1bP52AuGQTWL8UxMUNLW38/kTnEubaqrMNla9/QMCpD8U0TD 3vFA== X-Gm-Message-State: APjAAAXDiUrRA8AicrVStuyQY+8jyEdyQy/II17Q/bqh70OD/NRHsnZ1 d+E+PLWJS4uesq1opbFSpYzyHCDew1lYNqODxNc= X-Google-Smtp-Source: APXvYqwMn2Aq2Lg4HlF0frhMnaLDTqMxpuVAcBEPRjl+YeNzSlOfntJV2Ywzik7n/xbJGdzKQ8jLj+JKKJphVscB5Vo= X-Received: by 2002:a5d:51c1:: with SMTP id n1mr53373861wrv.254.1563571662207; Fri, 19 Jul 2019 14:27:42 -0700 (PDT) MIME-Version: 1.0 References: <706347089.27428826.1563570695466.JavaMail.zimbra@uliege.be> In-Reply-To: <706347089.27428826.1563570695466.JavaMail.zimbra@uliege.be> From: Tom Herbert Date: Fri, 19 Jul 2019 14:27:28 -0700 Message-ID: To: Justin Iurman Cc: ippm@ietf.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Archived-At: Subject: Re: [ippm] IOAM implementation linux kernel X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Jul 2019 21:27:46 -0000 On Fri, Jul 19, 2019 at 2:11 PM Justin Iurman wro= te: > > Dear all, > > As you may have already noticed, I'll be giving a 10min talk on the imple= mentation of IOAM (IPv6) inside the Linux kernel [1], on Wednesday @02:05 P= M. As quickly as possible in 10 minutes, I'll try to explain some key aspec= ts of the implementation and discuss early results as well as important poi= nts. The implementation is based on drafts [2] and [3]. For those intereste= d, if you want more details or have any question before the talk, feel free= to ask or visit the git repository. > Also note that we'll doing an IOAM project as hackathon on Saturday and Sunday so hopefully we'll get to see this in action! Tom > Thanks, > > Justin > > [1] https://github.com/IurmanJ/kernel_ipv6_ioam > [2] https://tools.ietf.org/html/draft-ioametal-ippm-6man-ioam-ipv6-opt= ions-02 > [3] https://tools.ietf.org/html/draft-ietf-ippm-ioam-data-05 > > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm From nobody Sat Jul 20 11:45:06 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AC97A12006E; Sat, 20 Jul 2019 11:45:03 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.499 X-Spam-Level: X-Spam-Status: No, score=-14.499 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no 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SMTP id z3mr3624942lji.84.1563648521708; Sat, 20 Jul 2019 11:48:41 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Rakesh Gandhi Date: Sat, 20 Jul 2019 14:48:30 -0400 Message-ID: To: Greg Mirsky Cc: Tommy Pauly , IETF IPPM WG , draft-mirsky-ippm-stamp-option-tlv@ietf.org Content-Type: multipart/alternative; boundary="000000000000b0a958058e214a11" Archived-At: Subject: Re: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tlv X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Jul 2019 18:48:46 -0000 --000000000000b0a958058e214a11 Content-Type: text/plain; charset="UTF-8" Hi Greg, Following comment was shared on the list: ------------------------------ Regarding the size of the padding, yes, it's good to use the same size payload for query and response. However, the STAMP payload with TLV extension (draft-mirsky-ippm-stamp-option-tlv-01) has slightly different padding size of 30 MBZ vs 27 ( or > 29) in draft-ietf-ippm-stamp. Is there a way to make them compatible? Does it mean that for STAMP with TLV, Server Octets is set to 1, but it says MBZ 0 for all 30 bytes.. If the responder supports Server Octets and see the size > 27 (when using the TLVs), it may find the Server Octet size of 0 confusing? -------------------------- Thanks, Rakesh On Tue, Jul 16, 2019 at 11:24 AM Greg Mirsky wrote: > Hi Rakesh, > thank you for your insightful comments that have helped us to improve the > specification. Unfortunately, I couldn't find the summary of the questions > we've discussed. Could you kindly re-send them? > > Regards, > Greg > > On Mon, Jul 15, 2019 at 7:48 AM Rakesh Gandhi > wrote: > >> Hi Authors, >> There were couple of items discussed on the mailing list and have added >> them below for convenience. Like to see them addressed in the adopted >> draft > > --000000000000b0a958058e214a11 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Hi Greg,


Follow= ing comment was shared on the list:

------------------------------

Regarding the size of the padding, yes, it's good to use the same size payload for query and response.

However, the STAMP payload with TLV extension (draft-mirsky-ippm-stamp-option-tlv-01) has slightly different padding size of 30 MBZ vs 27 ( or > 29) in draft-ietf-ippm-stamp. Is the= re a way to make them compatible? Does it mean that for STAMP with TLV, Server Octets is set to 1, but it says MBZ 0 for all 30 bytes.. If the responder supports Server Octets and see the size > 27 (when using the TLVs), it m= ay find the Server Octet size of 0 confusing?=C2=A0

--------------------------


Thanks,

Rakes= h



= On Tue, Jul 16, 2019 at 11:24 AM Greg Mirsky <gregimirsky@gmail.com> wrote:
Hi Rakesh,
<= div>thank you for your insightful comments that have helped us to improve t= he specification. Unfortunately, I couldn't find the summary of the que= stions we've discussed. Could you kindly re-send them?

Regards,
Greg

On Mon, Jul 15, 2019 at 7:48 AM Rakesh Gand= hi <rgandhi.= ietf@gmail.com> wrote:
Hi Authors,
There were couple of items discussed on the mailing list and have added
them below for convenience. Like to see them addressed in the adopted draft=
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Mon, 22 Jul 2019 10:44:24 +0000 From: "Frank Brockners (fbrockne)" To: "ippm@ietf.org" Thread-Topic: IPPM slides for IOAM data fields and IOAM flags updates Thread-Index: AdVAemjOpbipKdShRhO+PDmA6kDyjw== Date: Mon, 22 Jul 2019 10:44:24 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=fbrockne@cisco.com; x-originating-ip: [2001:420:c0c0:1002::f] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: d24c13cf-23bd-4002-a475-08d70e919012 x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020); SRVR:BYAPR11MB2664; x-ms-traffictypediagnostic: BYAPR11MB2664: x-ms-exchange-purlcount: 3 x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:6790; x-forefront-prvs: 01068D0A20 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(4636009)(346002)(366004)(396003)(376002)(39860400002)(136003)(189003)(199004)(6436002)(53936002)(6306002)(54896002)(2501003)(966005)(55016002)(33656002)(5640700003)(9686003)(486006)(236005)(7110500001)(2351001)(2906002)(8936002)(6116002)(790700001)(68736007)(7696005)(25786009)(606006)(6506007)(102836004)(478600001)(81156014)(81166006)(1730700003)(14454004)(2420400007)(46003)(74316002)(186003)(410100003)(6916009)(99286004)(316002)(7736002)(76116006)(71200400001)(71190400001)(5660300002)(256004)(4744005)(476003)(86362001)(15650500001)(66946007)(52536014)(14444005)(66446008)(66556008)(64756008)(8676002)(66476007)(15940465004); DIR:OUT; SFP:1101; SCL:1; SRVR:BYAPR11MB2664; H:BYAPR11MB2584.namprd11.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: cisco.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: K/JkHt/e7x/lGWjGIEAi4S3g0BivcsuhqShEYIlQ69Wiuil/d3EfP7f0qFZOGDmwXcj2VbHFbhiBJELZ0hY4HQRqijAQmAawUjHuQo0hTaOs8QDTSUV+lx7DZhLQMekUwfTNfIIPRBWKIBMyW6eCRwHZcoevjSs7n3fshisnYVYSdu5audccA7IizaImzCLqhzYsNUH2b07ZwAaDqWo2hDPPe6oX4PXvDu4Xni/P5Rch07ZiorX6S0tpZCu+jcOe3DrUKI9gc/3SJ3K5yi56CxOn6VT+/Ng/XXd1JzaOBNZwlzBHzI2GcivI1cQuGv0HsSpff5/1KQ9VsI20K1zKX+ZbaNTTsHQTsM8meOMop5XrwreF2n8ioYH1CoiNbMqewxEmrYumgS+vYOWabgweAz1MQaJHfn90n0hfyDXbHEo= Content-Type: multipart/alternative; boundary="_000_BYAPR11MB2584C1B270C11A39441F6354DAC40BYAPR11MB2584namp_" MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: d24c13cf-23bd-4002-a475-08d70e919012 X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Jul 2019 10:44:24.4293 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: fbrockne@cisco.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR11MB2664 X-OriginatorOrg: cisco.com X-Outbound-SMTP-Client: 173.37.102.11, xch-rcd-001.cisco.com X-Outbound-Node: rcdn-core-10.cisco.com Archived-At: Subject: [ippm] IPPM slides for IOAM data fields and IOAM flags updates X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Jul 2019 10:44:38 -0000 --_000_BYAPR11MB2584C1B270C11A39441F6354DAC40BYAPR11MB2584namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi IOAM enthusiasts, I've started to craft slides for the IOAM update in the IPPM WG meeting on = Wednesday. Here is what I've assembled for covering draft-ietf-ippm-ioam-da= ta-06 and draft-mizrahi-ippm-ioam-flags-00: https://docs.google.com/present= ation/d/1nSbwvwWlexQ9Ns5VbtWavY9BQMpKT1RgjvCPGpwQFAw/ Appreciate your thoughts and comments. Thanks, Frank --_000_BYAPR11MB2584C1B270C11A39441F6354DAC40BYAPR11MB2584namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi IOAM enthusiasts,

 

I’ve started to craft slides for the IOAM upda= te in the IPPM WG meeting on Wednesday. Here is what I’ve assembled f= or covering draft-ietf-ippm-ioam-data-06 and draft-mizrahi-ippm-ioam-flags-= 00: https://docs.google.com/presentation/d/1nSbwvwWlexQ9Ns5VbtWavY9BQMpKT1RgjvC= PGpwQFAw/

 

Appreciate your thoughts and comments.

 

Thanks, Frank

--_000_BYAPR11MB2584C1B270C11A39441F6354DAC40BYAPR11MB2584namp_-- From nobody Mon Jul 22 11:16:06 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 255B8120020 for ; Mon, 22 Jul 2019 11:16:04 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.199 X-Spam-Level: X-Spam-Status: No, score=-4.199 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id dVruPPNJ3X2r for ; Mon, 22 Jul 2019 11:16:01 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 84A11120089 for ; Mon, 22 Jul 2019 11:16:01 -0700 (PDT) Received: from lhreml704-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id 4555695310B999573697 for ; Mon, 22 Jul 2019 19:15:59 +0100 (IST) Received: from NKGEML412-HUB.china.huawei.com (10.98.56.73) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.408.0; Mon, 22 Jul 2019 19:15:58 +0100 Received: from NKGEML515-MBS.china.huawei.com ([169.254.5.142]) by nkgeml412-hub.china.huawei.com ([10.98.56.73]) with mapi id 14.03.0439.000; Tue, 23 Jul 2019 02:15:51 +0800 From: Tianran Zhou To: "Frank Brockners (fbrockne)" , "ippm@ietf.org" Thread-Topic: IPPM slides for IOAM data fields and IOAM flags updates Thread-Index: AdVAemjOpbipKdShRhO+PDmA6kDyjwAPU8xq Date: Mon, 22 Jul 2019 18:15:51 +0000 Message-ID: References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.124.93.85] Content-Type: multipart/alternative; boundary="_000_BBA82579FD347748BEADC4C445EA0F21BEECD2E7NKGEML515MBSchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [ippm] IPPM slides for IOAM data fields and IOAM flags updates X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Jul 2019 18:16:04 -0000 --_000_BBA82579FD347748BEADC4C445EA0F21BEECD2E7NKGEML515MBSchi_ Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 SGkgRnJhbmssDQoNCkkgdGhpbmsgYWNjb3JkaW5nIHRvIHRoZSBzaWRlIG1lZXRpbmcgaW4gUHJh Z3VlLCBtb3N0IG9mIHVzIGJlbGlldmVkIGFuIGluZGVwZW5kZW50IHBvc3RjYXJkIG9wdGlvbiBp cyBiZXR0ZXIgdGhhbiB0aGUgdXNpbmcgb2YgaW1tZWRpYXRlIGV4cG9ydCBmbGFnLg0KQW5kIGRy YWZ0LXNvbmctaXBwbS1wb3N0Y2FyZC1iYXNlZC10ZWxlbWV0cnktMDQgaGFzIGNsb3NlZCB0aGUg ZGlzY3Vzc2lvbiBvbiBmbG93IGlkIGFuZCBzZXF1ZW5jZSBudW1iZXIgYnkgc2V0dGluZyB0aGVt IG9wdGlvbmFsLg0KDQpIZXJlIGFyZSBzb21lIG9mIG15IHRob3VnaHRzOg0KLSBJT0FNIGFscmVh ZHkgaGFzIGluY3JlbWVudGFsIHRyYWNpbmcgb3B0aW9uIGFuZCBwcmUtYWxsb2NhdGVkIHRyYWNp bmcgb3B0aW9uIGJhc2VkIG9uIHRoZSB3YXkgdG8gb3BlcmF0ZSBtZXRhZGF0YS4gQm90aCBoYXZl IGNsZWFyIFNlbWFudGljcyBvbiBvcGVyYXRpbmcgbWV0YWRhdGEuIEl0IHJlYXNvbmFibGUgdG8g dXNlIGFub3RoZXIgb3B0aW9uIGZvciBQQlQuDQotIEhhcmR3YXJlIGlzIGVhc3kgdG8gcmVhbGl6 ZSB0aGUgbmV4dCBzdGVwIHByb2Nlc3MgYnkgcGFyc2luZyB0aGUgb3B0aW9uIHR5cGUsIHdpdGhv dXQgZnVydGhlciBmbGFnIG1hdGNoaW5nLg0KLSBBIG5ldyBvcHRpb24gd2lsbCBlbmFibGUgdGhl IGV4dGVuc2liaWxpdHkgZm9yIFBCVCByZWxhdGVkIGRhdGEgZmllbGRzLiBFLmcuLCBhY3Rpb25z IGFzIHByb3Bvc2VkIGluIHRoZSBtYWlsaW5nIGxpc3QNCg0KV2hhdCdzIHlvdXIgdGhvdWdodHM/ DQoNClRoYW5rcywNClRpYW5yYW4NCg0KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18N CreivP7IyzogaXBwbSBbaXBwbS1ib3VuY2VzQGlldGYub3JnXSC0+rHtIEZyYW5rIEJyb2NrbmVy cyAoZmJyb2NrbmUpIFtmYnJvY2tuZUBjaXNjby5jb21dDQq3osvNyrG85DogMjAxOcTqN9TCMjLI 1SAxODo0NA0KytW8/sjLOiBpcHBtQGlldGYub3JnDQrW98ziOiBbaXBwbV0gSVBQTSBzbGlkZXMg Zm9yIElPQU0gZGF0YSBmaWVsZHMgYW5kIElPQU0gZmxhZ3MgdXBkYXRlcw0KDQpIaSBJT0FNIGVu dGh1c2lhc3RzLA0KDQpJoa92ZSBzdGFydGVkIHRvIGNyYWZ0IHNsaWRlcyBmb3IgdGhlIElPQU0g dXBkYXRlIGluIHRoZSBJUFBNIFdHIG1lZXRpbmcgb24gV2VkbmVzZGF5LiBIZXJlIGlzIHdoYXQg SaGvdmUgYXNzZW1ibGVkIGZvciBjb3ZlcmluZyBkcmFmdC1pZXRmLWlwcG0taW9hbS1kYXRhLTA2 IGFuZCBkcmFmdC1taXpyYWhpLWlwcG0taW9hbS1mbGFncy0wMDogaHR0cHM6Ly9kb2NzLmdvb2ds ZS5jb20vcHJlc2VudGF0aW9uL2QvMW5TYnd2d1dsZXhROU5zNVZidFdhdlk5QlFNcEtUMVJnanZD UEdwd1FGQXcvDQoNCkFwcHJlY2lhdGUgeW91ciB0aG91Z2h0cyBhbmQgY29tbWVudHMuDQoNClRo YW5rcywgRnJhbmsNCg== --_000_BBA82579FD347748BEADC4C445EA0F21BEECD2E7NKGEML515MBSchi_ Content-Type: text/html; charset="gb2312" Content-Transfer-Encoding: quoted-printable
Hi Frank,

I think according to the side meeting in Prague, most of us believed a= n independent postcard option is better than the using of immediate export = flag.
And draft-song-ippm-postcard-based-telemetry-04 has closed the di= scussion on flow id and sequence number by setting them optional.

Here are some of my thoughts:
- IOAM already has incremental tracing option and pre-allocated tracin= g option based on the way to operate metadata. Both have clear Semantics on= operating metadata. It reasonable to use another option for PBT.
- Hardware is easy to realize the next step process by parsing the opt= ion type, without further flag matching.
- A new option will enable the extensibility for PBT related data fiel= ds. E.g., actions as proposed in the mailing list   

What's your thoughts?

Thanks,
Tianran

=B7=A2=BC=FE=C8=CB: ippm [ippm-bounces@ie= tf.org] =B4=FA=B1=ED Frank Brockners (fbrockne) [fbrockne@cisco.com]
=B7=A2=CB=CD=CA=B1=BC=E4: 2019=C4=EA7=D4=C222=C8=D5 18:44
=CA=D5=BC=FE=C8=CB: ippm@ietf.org
=D6=F7=CC=E2: [ippm] IPPM slides for IOAM data fields and IOAM flags= updates

Hi IOAM enthusiasts,

 

I=A1=AFve started to craft slides for the IOAM updat= e in the IPPM WG meeting on Wednesday. Here is what I=A1=AFve assembled for= covering draft-ietf-ippm-ioam-data-06 and draft-mizrahi-ippm-ioam-flags-00= : https://docs.google.com/presentation/d/1nSbwvwWlexQ9Ns5VbtWavY9BQMpKT1RgjvC= PGpwQFAw/

 

Appreciate your thoughts and comments.

 

Thanks, Frank

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Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 77B3F1202EE for ; Tue, 23 Jul 2019 07:14:05 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.14 X-Spam-Level: X-Spam-Status: No, score=-2.14 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DC_PNG_UNO_LARGO=0.001, HTML_IMAGE_ONLY_12=2.059, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id f3qPDtJRpKb4 for ; Tue, 23 Jul 2019 07:14:04 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 85D201202CB for ; Tue, 23 Jul 2019 07:14:02 -0700 (PDT) Received: from lhreml706-cah.china.huawei.com (unknown [172.18.7.107]) by Forcepoint Email with ESMTP id 79014BB126EF4C6B7077 for ; Tue, 23 Jul 2019 15:14:00 +0100 (IST) Received: from NKGEML413-HUB.china.huawei.com (10.98.56.74) by lhreml706-cah.china.huawei.com (10.201.108.47) with Microsoft SMTP Server (TLS) id 14.3.408.0; Tue, 23 Jul 2019 15:13:59 +0100 Received: from NKGEML515-MBS.china.huawei.com ([169.254.5.142]) by NKGEML413-HUB.china.huawei.com ([10.98.56.74]) with mapi id 14.03.0439.000; Tue, 23 Jul 2019 22:13:52 +0800 From: Tianran Zhou To: "ippm@ietf.org" Thread-Topic: discuss actions for IOAM postcard option Thread-Index: AdVBYGlJIY+PI5sQRGaUIRwK9JkN6A== Date: Tue, 23 Jul 2019 14:13:52 +0000 Message-ID: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-originating-ip: [10.124.93.69] Content-Type: multipart/related; boundary="_004_BBA82579FD347748BEADC4C445EA0F21BEECFFA6NKGEML515MBSchi_"; type="multipart/alternative" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: [ippm] discuss actions for IOAM postcard option X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Jul 2019 14:14:06 -0000 --_004_BBA82579FD347748BEADC4C445EA0F21BEECFFA6NKGEML515MBSchi_ Content-Type: multipart/alternative; boundary="_000_BBA82579FD347748BEADC4C445EA0F21BEECFFA6NKGEML515MBSchi_" --_000_BBA82579FD347748BEADC4C445EA0F21BEECFFA6NKGEML515MBSchi_ Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 SGkgV0csDQoNCkFzIGRpc2N1c3NlZCBpbiB0aGUgbWFpbGluZyBsaXN0LCAgd2UgYXJlIGdvaW5n IHRvIGJyaW5nIG91ciBpbml0aWFsIGRlc2lnbiBvbiB0aGUgYWN0aW9ucyBmb3IgSU9BTSBwb3N0 Y2FyZCBvcHRpb24gdG8gZGlzY3VzcyBpbiB0aGUgbWVldGluZy4NCkhlcmUgaXMgdGhlIHNsaWRl IG9uIHRoaXM6DQoNCltjaWQ6NmZiNjcyZmQtMGFiOS00ZjNkLWJjZTQtYjNlZmY3YzkxYmI5XQ0K 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Hi WG,

As discussed in the mailing list, = ; we are going to bring our initial design on the actions for IOAM postcard= option to discuss in the meeting.
Here is the slide on this:



Please comment. Suggestions are welcom= e.

Thanks,
Tianran 
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X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C89531201DA for ; Tue, 23 Jul 2019 07:52:48 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.199 X-Spam-Level: X-Spam-Status: No, score=-4.199 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 4MKIiC-BZCOI for ; Tue, 23 Jul 2019 07:52:46 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id AF551120072 for ; Tue, 23 Jul 2019 07:52:45 -0700 (PDT) Received: from lhreml704-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id C10F89412568FC18B041 for ; Tue, 23 Jul 2019 15:52:43 +0100 (IST) Received: from NKGEML412-HUB.china.huawei.com (10.98.56.73) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.408.0; Tue, 23 Jul 2019 15:52:38 +0100 Received: from NKGEML515-MBS.china.huawei.com ([169.254.5.142]) by nkgeml412-hub.china.huawei.com ([10.98.56.73]) with mapi id 14.03.0439.000; Tue, 23 Jul 2019 22:47:18 +0800 From: Tianran Zhou To: "Frank Brockners (fbrockne)" , "ippm@ietf.org" Thread-Topic: IPPM slides for IOAM data fields and IOAM flags updates Thread-Index: AdVAemjOpbipKdShRhO+PDmA6kDyjwAPU8xqAAc+p5AAI8p6ew== Date: Tue, 23 Jul 2019 14:47:17 +0000 Message-ID: References: , In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.124.93.69] Content-Type: multipart/alternative; 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Hi Frank,

Thanks. I think we are now aligned on the new option now.

With regard to the place, I think we can just evolve the existing PBT = draft. 

Cheers,
Tianran

=B7=A2=BC=FE=C8=CB: Frank Brockners (fbroc= kne) [fbrockne@cisco.com]
=B7=A2=CB=CD=CA=B1=BC=E4: 2019=C4=EA7=D4=C223=C8=D5 5:41
=CA=D5=BC=FE=C8=CB: Tianran Zhou; ippm@ietf.org
=D6=F7=CC=E2: RE: IPPM slides for IOAM data fields and IOAM flags up= dates

Hi Tianran,

 

IMHO this sounds like a workable pa= th forward, i.e. we=A1=AFd consolidate things into a new IOAM option for Im= mediate-Export/PBT, avoid the =A1=B0I-Flag=A1=B1 and describe actions (e.g.= log/forward-a-copy/count/..) per the earlier discussion. We can discuss this in the IPPM WG meeting as part of the IOAM update slot= .

 

Where would we best specify this ne= w option? We could either write a new dedicated document for this new IOAM = option (borrowing pieces from draft-song-ippm-postcard-based-telemetry-04),= or fold it into the existing IOAM data fields draft. Does the WG have a preference?

 

Thanks, Frank

 

 

 

From: Tianran Zhou <zhoutianran@huawei.com= >
Sent: Montag, 22. Juli 2019 14:16
To: Frank Brockners (fbrockne) <fbrockne@cisco.com>; ippm@ietf= .org
Subject: Re: IPPM slides for IOAM data fields and IOAM flags updates=

 

Hi Frank,

 

I think according to the side meeting = in Prague, most of us believed an independent postcard option is better tha= n the using of immediate export flag.

And draft-song-ippm-postcard-base= d-telemetry-04 has closed the discussion on flow id and sequence number by = setting them optional.

 

Here are some of my thoughts:

- IOAM already has incremental tracing= option and pre-allocated tracing option based on the way to operate metada= ta. Both have clear Semantics on operating metadata. It reasonable to use another option for PBT.

- Hardware is easy to realize the next= step process by parsing the option type, without further flag matching.

- A new option will enable the extensi= bility for PBT related data fields. E.g., actions as proposed in the mailin= g list   

 

What's your thoughts?

 

Thanks,

Tianran

 

=B7=A2=BC=FE= =C8=CB: ippm [ippm-bounces@ietf.org] =B4=FA=B1=ED Frank Brockners (fbrockne) [fbrockne@cisco.com]
=B7=A2=CB=CD=CA=B1=BC=E4: 2019=C4=EA7=D4=C222=C8=D5 18:44
=CA=D5=BC=FE=C8=CB:<= span style=3D"font-size:10.0pt; font-family:"Tahoma",sans-serif; = color:black"> ippm@ietf.org
=D6=F7=CC=E2: [ippm] IPPM slides for IOAM data fields and IOAM flags updates

Hi IOAM enthusiasts,

 

I=A1=AFve started to cra= ft slides for the IOAM update in the IPPM WG meeting on Wednesday. Here is = what I=A1=AFve assembled for covering draft-ietf-ippm-ioam-data-06 and draf= t-mizrahi-ippm-ioam-flags-00: https://docs.google.com/presentation/d/1nSbwvwWlexQ9Ns5VbtWavY9BQMpKT1RgjvC= PGpwQFAw/

 

Appreciate your thoughts= and comments.

 

Thanks, Frank

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We've had a hallway conversation on your key points. I'm putting some of what we talked about on the list, for more feedback possibilities, in addition to the IPPM Session on Wednesday. please see in-line, Al From: Frank Brockners (fbrockne) [mailto:fbrockne@cisco.com] Sent: Monday, July 15, 2019 1:44 PM To: ippm@ietf.org; draft-ietf-ippm-route@ietf.org Subject: a few notes on draft-ietf-ippm-route-04 Just gave draft-ietf-ippm-route-04 a quick read through, as promised during= the last IPPM meeting in Prague. A few general notes: * Nomenclature: While I understand the objective to extend/update RFC 2330,= IMHO we need to adjust some of the terminology in the document to the curr= ent use from what was defined back in the 90s. The most problematic IMHO is= the term "host". RFC 2330 defines a "host" as "A computer capable of com= municating using the Internet protocols; includes "routers"". But if you co= nsider a more recent document like RFC 8200, there it is stated that a "hos= t" is "any node that is not a router." To grow the confusion, there are sen= tences like (see lines 179-181) "May contain hosts that do not decrement TT= L or Hop Limit, but may have two or more exchange links connecting "discove= rable" hosts or routers" which mix "host" and "host or router", despite the= fact that host would have been sufficient in this sentence. One potential resolution could be to evolve to using "nodes" as the superse= t of end-systems (now typically "hosts") and routers. And further on this topic: draft-ietf-ippm-route should apply to all types = of nodes, including nodes which run in a VM or as a container. Thus the old= definition that a host is "a computer" would need to be made more generic = in any case. The same applies to the term link which should include virtual= links and virtual interfaces (like a vhost interface), ip links to connect= namespaces etc. [acm] I brought up yet-another-definition when we talked: Vint Cerf used to joke= during his talks (IIRC), A router is a PC with a Graduate student wrapped = around it. This supports the RFC2330 host definition, but I also remember c= ringing a bit when I re-read: "host: A computer..." which was fine when RFC= 2330 was written, 20 years of development means there are many different ty= pes of hosts (baremetal hosts, guest hosts, etc.) and clarification is need= ed. Some Options for new path terminology: A. Retain host, add new Node term and definition: - RFC 2330 host: a computer capable of IP communication, includes routers - Node: Any network function on the path capable of IP-layer Communication,= includes RFC 2330 hosts B. Revise host (use the word node in a general way): - host: a node on the path possessing a coherent compute environment and ca= pable of IP-layer Communication, includes RFC 2330 hosts C. - ? * Alignment of traceroute-style methods with hybrid methods in the discussi= on section (3.5). Suggest to harmonize section 3.5 with section 4.2; E.g. s= tatements like "If a discovered host always replies using the same network = address, regardless of the interface a packet arrives on, then multiple par= allel links cannot be detected in that network domain." apply well to trace= route-style methods, but might not be true for hybrid methods like IOAM. Si= milar considerations apply to the next bullet point. [acm] Align as much as possible, but also qualify when a limitation applies "only= " to the traceroute-type methods (where less info is typically revealed). * Updating RFC 5388 (section 3.6): IMHO it would be good to at least get al= l the requirements for the update spelled out here. Doing the update in an = appendix would for sure be a plus but it would even be better if we had an = update data model as an IETF YANG model, hence punting the work to a new I-= D and just defining the requirements in the current doc is a good solution = IMHO. [acm] Ok, this is a good collection exercise from the two types of methods, activ= e and hybrid. We go beyond the info that 5388 anticipated collecting, which= is a good thing. We definitely punt the YANG model work. Editorial notes: [acm] Thanks for all these catches! General: consistent spelling for "Hop" (vs "hop"). TTL & HopLimit: In most of the places, TTL & HopLimit are mentioned on par,= but there are a few areas where I found it missing. See lines 155, 642, 64= 5, 1035, line 173: s/This a reality/Parallel paths are a reality/ 288: Define Hop first before you set requirements for "hop". 319: Make MP(address) a dedicated definition, e.g. "MP(address) =3D Measure= ment Point at address". What does MP actually mean for a host: Arrival on t= he NIC, arrival at the host stack, arrival at the softswitch, ..? 422: "turs" - not sure what this word means 489: s/In/in/ 576: s/FlowLable/FlowLabel/ 588: "no options": This reads v4 specific. Luckily the earlier sentence abo= ut bytes 20-23 applies to v4 and v6. 623: s/fields of TCP header/fields of the TCP header/ 625: s/for UDP case/for the UDP case/ 655: choose either "sequence number" or "Sequence Number" 718: Routing class identification: This seems to mostly assume ECMP based o= n hashing some fields from the packet. Add a discussion about size dependen= t scheduling methods / flowlet switching? 778: s/anomolous/anomalous/ 779: s/dely/delay/ 790: s/mesurement/measurement/ 791: s/anomolous/anomalous/ 816: s/source/encapsulating node/ 820: It might be worthwhile to mention that interface identification isn't = necessarily limited to IP, i.e. different links in a bundle (LACP) could be= identified. Equally well, links without explicit IP addresses can be ident= ified (like with unnumbered interfaces in an IGP deployment). 933: s/develop accurate/develop an accurate/ 1019: s/procedure allow us/procedure allows us/ 1161: RFC 8403 is published by now Cheers, Frank --_000_4D7F4AD313D3FC43A053B309F97543CFA0AD60C5njmtexg4researc_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Frank,  Thanks (again) for your comments!

 

We’ve had a hallway conversation on your key points.=

I’m putting some of what we talked about on the list,

for more feedback possibilities, in addition to the

IPPM Session on Wednesday.

 

please see in-line,

Al

 

 

From: Frank Brockners (fbrockne) [mailto:fbro= ckne@cisco.com]
Sent: Monday, July 15, 2019 1:44 PM
To: ippm@ietf.org; draft-ietf-ippm-route@ietf.org
Subject: a few notes on draft-ietf-ippm-route-04

 

Just gave draft-ietf-ippm-route-04 a quick read through, as promised during= the last IPPM meeting in Prague.

A few general notes:

* Nomenclature: While I understand the objective to extend/update RFC 2330,= IMHO we need to adjust some of the terminology in the document to the curr= ent use from what was defined back in the 90s. The most problematic IMHO is= the term “host”.   RFC 2330 defines a “host” as “A computer capable of communicating using t= he Internet protocols; includes "routers"”. But if you cons= ider a more recent document like RFC 8200, there it is stated that a “= ;host” is “any node that is not a router.” To grow the co= nfusion, there are sentences like (see lines 179-181) “May contain hosts that do no= t decrement TTL or Hop Limit, but may have two or more exchange links conne= cting "discoverable" hosts or routers” which mix “hos= t” and “host or router”, despite the fact that host would= have been sufficient in this sentence.
One potential resolution could be to evolve to using “nodes” as= the superset of end-systems (now typically “hosts”) and router= s.
And further on this topic: draft-ietf-ippm-route should apply to all types = of nodes, including nodes which run in a VM or as a container. Thus the old= definition that a host is “a computer” would need to be made m= ore generic in any case. The same applies to the term link which should include virtual links and virtual interfaces (l= ike a vhost interface), ip links to connect namespaces etc.

[acm]=

I brought u= p yet-another-definition when we talked:  Vint Cerf used to joke durin= g his talks (IIRC), A router is a PC with a Graduate student wrapped around= it. This supports the RFC2330 host definition, but I also remember cringing a bit when I re-read: “host: A computer...&= #8221; which was fine when RFC2330 was written, 20 years of development mea= ns there are many different types of hosts (baremetal hosts, guest hosts, e= tc.) and clarification is needed.

Some Option= s for new path terminology:

A. Retain h= ost, add new Node term and definition:

- RFC 2330 = host: a computer capable of IP communication, includes routers

- Node: Any= network function on the path capable of IP-layer Communication, includes R= FC 2330 hosts

B. Revise h= ost (use the word node in a general way):

- host: a n= ode on the path possessing a coherent compute environment and capable of IP= -layer Communication, includes RFC 2330 hosts

C.

 - ? =

* Alignment of traceroute-style methods with hybrid methods in the discussi= on section (3.5). Suggest to harmonize section 3.5 with section 4.2; E.g. s= tatements like "If a discovered host always replies using the same net= work address, regardless of the interface a packet arrives on, then multiple parallel links cannot be detected in th= at network domain." apply well to traceroute-style methods, but might = not be true for hybrid methods like IOAM. Similar considerations apply to t= he next bullet point.

[acm]=

Align as mu= ch as possible, but also qualify when a limitation applies “only̶= 1; to the traceroute-type methods (where less info is typically revealed).<= o:p>

* Updating RFC 5388 (section 3.6): IMHO it would be good to at least get al= l the requirements for the update spelled out here. Doing the update in an = appendix would for sure be a plus but it would even be better if we had an = update data model as an IETF YANG model, hence punting the work to a new I-D and just defining the requireme= nts in the current doc is a good solution IMHO.

[acm]=

Ok, this is= a good collection exercise from the two types of methods, active and hybri= d. We go beyond the info that 5388 anticipated collecting, which is a good = thing. We definitely punt the YANG model work.

Editorial notes:

[acm]=

Thanks for = all these catches!

General: consistent spelling for “Hop” (vs “hop”).<= o:p>

TTL & HopLimit: In most of the places, TTL & HopLimit are mentioned= on par, but there are a few areas where I found it missing. See lines 155,= 642, 645, 1035,

line 173: s/This a reality/Parallel paths are a reality/

288: Define Hop first before you set requirements for "hop".=

319: Make MP(address) a dedicated definition, e.g. "MP(address) =3D Me= asurement Point at address". What does MP actually mean for a host: Ar= rival on the NIC, arrival at the host stack, arrival at the softswitch, ..?=

422: "turs" - not sure what this word means

489: s/In/in/

576: s/FlowLable/FlowLabel/

588: "no options": This reads v4 specific. Luckily the earlier se= ntence about bytes 20-23 applies to v4 and v6.

623: s/fields of TCP header/fields of the TCP header/

625: s/for UDP case/for the UDP case/

655: choose either "sequence number" or "Sequence Number&quo= t;

718: Routing class identification: This seems to mostly assume ECMP based o= n hashing some fields from the packet. Add a discussion about size dependen= t scheduling methods / flowlet switching?

778: s/anomolous/anomalous/

779: s/dely/delay/

790: s/mesurement/measurement/

791: s/anomolous/anomalous/

816: s/source/encapsulating node/

820: It might be worthwhile to mention that interface identification isn't = necessarily limited to IP, i.e. different links in a bundle (LACP) could be= identified. Equally well, links without explicit IP addresses can be ident= ified (like with unnumbered interfaces in an IGP deployment).

933: s/develop accurate/develop an accurate/

1019: s/procedure allow us/procedure allows us/

1161: RFC 8403 is published by now

Cheers, Frank

 

 

 

 

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ESMTP id 334001208A6 for ; Tue, 23 Jul 2019 12:28:01 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.199 X-Spam-Level: X-Spam-Status: No, score=-4.199 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id l8xvfgKLhzaA for ; Tue, 23 Jul 2019 12:27:58 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B72CB1208CA for ; Tue, 23 Jul 2019 12:27:57 -0700 (PDT) Received: from lhreml701-cah.china.huawei.com (unknown [172.18.7.108]) by Forcepoint Email with ESMTP id 9DBDDBCF328286445C83 for ; Tue, 23 Jul 2019 20:27:55 +0100 (IST) Received: from NKGEML412-HUB.china.huawei.com (10.98.56.73) by lhreml701-cah.china.huawei.com (10.201.108.42) with Microsoft SMTP Server (TLS) id 14.3.408.0; Tue, 23 Jul 2019 20:27:54 +0100 Received: from NKGEML515-MBS.china.huawei.com ([169.254.5.142]) by nkgeml412-hub.china.huawei.com ([10.98.56.73]) with mapi id 14.03.0439.000; Wed, 24 Jul 2019 03:27:47 +0800 From: Tianran Zhou To: "Frank Brockners (fbrockne)" , "ippm@ietf.org" Thread-Topic: IPPM slides for IOAM data fields and IOAM flags updates Thread-Index: AdVAemjOpbipKdShRhO+PDmA6kDyjwAPU8xqAAc+p5AAI8p6ewABWlGgAAhrUZc= Date: Tue, 23 Jul 2019 19:27:47 +0000 Message-ID: References: , , In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.124.93.69] Content-Type: multipart/alternative; boundary="_000_BBA82579FD347748BEADC4C445EA0F21BEED1A73NKGEML515MBSchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [ippm] IPPM slides for IOAM data fields and 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Hi Frank,

A new dedicated document makes sense.= We can spin out the new IOAM option specification from draft-song= -ippm-postcard-based-telemetry.
Then draft-song-ippm-postcard-based-telemetry could be general, informat= ive to describe the PBT method.

Cheers,
Tianran
=B7=A2=BC=FE=C8=CB: Frank Brockners (fbro= ckne) [fbrockne@cisco.com]
=B7=A2=CB=CD=CA=B1=BC=E4: 2019=C4=EA7=D4=C223=C8=D5 23:24
=CA=D5=BC=FE=C8=CB: Tianran Zhou; ippm@ietf.org
=D6=F7=CC=E2: RE: IPPM slides for IOAM data fields and IOAM flags up= dates

Hi Tianran,

 

Thanks. IMHO we need an IOAM-focuse= d small and concise spec for Immediate-Export =A8C this can either be done = within draft-ietf-ippm-ioam-data or in a dedicated document which would ext= end draft-ietf-ippm-ioam-data, much like draft-mizrahi-ippm-ioam-flags for flags. A dedicated document might allow = us to finish up draft-ietf-ippm-ioam-data faster =A8C which might be a reas= on why we=A1=AFd want a dedicated document.

If you refer to draft-song-ippm-postcard-based-telemetry-04  as =A1=B0PBT draft=A1=B1 below: This document isn=A1=AFt fo= cused on IOAM and thus is not a good fit. This doc is rather a bit all over the map, it discusses challenges for INT, which isn=A1=AFt = an IETF protocol, it proposed new headers unrelated to IOAM, etc.

 

Cheers, Frank

 

From: Tianran Zhou <zhoutianran@huawei.com= >
Sent: Dienstag, 23. Juli 2019 10:47
To: Frank Brockners (fbrockne) <fbrockne@cisco.com>; ippm@ietf= .org
Subject: RE: IPPM slides for IOAM data fields and IOAM flags updates=

 

Hi Frank,

 

Thanks. I think we are now aligned on = the new option now.

 

With regard to the place, I think we c= an just evolve the existing PBT draft. 

 

Cheers,

Tianran

 

=B7=A2=BC=FE= =C8=CB: Frank Brockners (fbrockne) [fbrockne@cisco.com]
=B7=A2=CB=CD=CA=B1=BC=E4: 2019=C4=EA7=D4=C223=C8=D5 5:41
=CA=D5=BC=FE=C8=CB:<= span style=3D"font-size:10.0pt; font-family:"Tahoma",sans-serif; = color:black"> Tianran Zhou; ippm@ietf.org
=D6=F7=CC=E2: RE: IPPM slides for IOAM data fields and IOAM flags updates

Hi Tianran,

 

IMHO this sounds like a = workable path forward, i.e. we=A1=AFd consolidate things into a new IOAM op= tion for Immediate-Export/PBT, avoid the =A1=B0I-Flag=A1=B1 and describe ac= tions (e.g. log/forward-a-copy/count/..) per the earlier discussion. We can discuss this in the IPPM WG meeting as part of the IOAM= update slot.

 

Where would we best spec= ify this new option? We could either write a new dedicated document for thi= s new IOAM option (borrowing pieces from draft-song-ippm-postcard-based-tel= emetry-04), or fold it into the existing IOAM data fields draft. Does the WG have a preference?

 

Thanks, Frank

 

 

 

From: Tianran Zhou <zhoutianran@huawei.co= m>
Sent: Montag, 22. Juli 2019 14:16
To: Frank Brockners (fbrockne) <fbrockne@cisco.com&g= t;; ippm@ietf.org
Subject: Re: IPPM slides for IOAM data fields and IOAM flags updates=

 

Hi Frank,

 

I think according to the side meeting = in Prague, most of us believed an independent postcard option is better tha= n the using of immediate export flag.

And draft-song-ippm-postcard-base= d-telemetry-04 has closed the discussion on flow id and sequence number by = setting them optional.

 

Here are some of my thoughts:

- IOAM already has incremental tracing= option and pre-allocated tracing option based on the way to operate metada= ta. Both have clear Semantics on operating metadata. It reasonable to use another option for PBT.

- Hardware is easy to realize the next= step process by parsing the option type, without further flag matching.

- A new option will enable the extensi= bility for PBT related data fields. E.g., actions as proposed in the mailin= g list   

 

What's your thoughts?

 

Thanks,

Tianran

 

=B7=A2=BC=FE= =C8=CB: ippm [ippm-bounces@ietf.org] =B4=FA=B1=ED Frank Brockners (fbrockne) [fbrockne@cisco.com]
=B7=A2=CB=CD=CA=B1=BC=E4: 2019=C4=EA7=D4=C222=C8=D5 18:44
=CA=D5=BC=FE=C8=CB:<= span style=3D"font-size:10.0pt; font-family:"Tahoma",sans-serif; = color:black"> ippm@ietf.org
=D6=F7=CC=E2: [ippm] IPPM slides for IOAM data fields and IOAM flags updates

Hi IOAM enthusiasts,

 

I=A1=AFve started to cra= ft slides for the IOAM update in the IPPM WG meeting on Wednesday. Here is = what I=A1=AFve assembled for covering draft-ietf-ippm-ioam-data-06 and draf= t-mizrahi-ippm-ioam-flags-00: https://docs.google.com/presentation/d/1nSbwvwWlexQ9Ns5VbtWavY9BQMpKT1RgjvC= PGpwQFAw/

 

Appreciate your thoughts= and comments.

 

Thanks, Frank

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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Jul 2019 14:44:48 -0000 --0000000000008c6caf058e6e5920 Content-Type: text/plain; charset="UTF-8" Hello, We held the IOAM HBH option hackathon on Saturday and Sunday. Had five active participants working on two different implemenations (one host and one router implementation). Please see attached slides that describe results. Overall, we made quite a bit of progress and will be sharing some implementation feedback on the protocol in ippm meeting. Looking forward, I that it would be good to have a follow on hackathon project in IETF105 or IETF106, and in particular to get more implemenations involved particularly on the router side. Thanks, Tom --0000000000008c6caf058e6e5920 Content-Type: application/pdf; name="ioam-hbh-option.pdf" Content-Disposition: attachment; filename="ioam-hbh-option.pdf" Content-Transfer-Encoding: base64 Content-ID: X-Attachment-Id: f_jyhcvx7i0 JVBERi0xLjQKJcOkw7zDtsOfCjIgMCBvYmoKPDwvTGVuZ3RoIDMgMCBSL0ZpbHRlci9GbGF0ZURl Y29kZT4+CnN0cmVhbQp4nLVdy64kuXHd51fUWsBcJ98k0GhA1sOAAC9kD+CF4dW15YFRZUDe+PdN nhNBBrOyWz0LQ1DPOcVXMBgMMvm654d7/O/x18fZ/1f8+YhnevzPfxz/8pvHfx/uMf73P/958OfX oRGeiHr2/+q//PWX4y+/+XWRWfA5Cvn7n4/kP9ojnLX/+/O/P/7uj+4Rwkd8/PyXf/1yuq8/uS+n //pT/nKGrz+FL2f8+pP/cib8m7/+lL6c5etP5ctZEbN9dQG/xC/nbxHn74F/B/x7xPnD13/7+U/H H34+/nwRJPqHz/WjfEuMP351/os7R4bOoWgjhvP4JZvf/zj+dRQbwrgIrMJ8QwzfugguOhXEd+UM /Jchx8//dZckpY/ck5xTciZYChzKS1Ceg3S9BmlgR9nLd2Vp9dcJ0vJHeJPEVVNegwQVOBmZfos4 aDL3O/d7E2JTJ/z7B9H09yRP8cP/Otm7MaZ32R3bbRgQDavL8sev/vziT4QU97slx58ff32EfD7a 2S0oPrxLXR3au86PM8X2OD9cbKfr//UtOnS3kaSOTvBa8PkwMLfU7XEj4cy9JzOWYJuYPfOjtXyW 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VNFH/DTa3yQ60d1RjDD/YjPUmah36M2zyMVxhr4PPy1ol/ghGBpop9bC/9ZxUod2jw6mXItcEyztERYl5BanRQEoE7u92R2RV8yMhJTYvGuVyqMqVBUEwfY2Ln8XAKHb/WmX0ne3KnBWjWotXI+2RaW50/Ifa5cL9FOxdnEUnH0i9FZN1RR6o0yNfbmNCZLcHoEoFf6hH2AmZ4LfYrsZpV1flrtDXHIQef4MZZGOgKeZZ8PlWX9E0aBSjfQ5c1yfVutxFS2V8Sf8GcCzHyYVmKlxhWm9ZpAH1ZmrH53v26EjPJt9CusU36ubeF1D4yM8LTQUmVMFu08xSGYUGm9a56/l4obDnu+0MSkDfN9d9cmyPtcCCNcU23D9Us30wNXw6YYQIUZsE5WuAXK8tGfzKBlvmyPLKDSD9u1xaHT7tYI= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nokia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 042a1c54-7471-45ce-8019-08d710487e23 X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Jul 2019 15:06:23.4540 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5d471751-9675-428d-917b-70f44f9630b0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: footer.foote@nokia.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR07MB5542 Archived-At: Subject: [ippm] Review Questions for draft-ietf-ippm-route-04 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Jul 2019 15:06:30 -0000 Between meetings, I read the draft draft-ietf-ippm-route-04, re-read the dr= aft and read it once more. I see value in the solidification of terminolog= y, previous thread on the mailing list include many comments on this. My = initial thoughts on the draft, are interest in the work for link awareness = for participating nodes, along the path and ability to relate metrics for t= he well identified path and members. This will help correlate measurements= to specific paths, at least those which are participating. =20 A couple of quick questions;=20 1) Section 3.6 Reporting Metric " The models need to be expanded to includ= e these features, as well as Arrival Interface ID, Departure Interface ID, = and Arrival Timestamp, when available." =20 - Should this specify some type of identification for how to interpret th= at timestamp format (NTP or PTP) .=20 - Should departure Timestamp be included as well, would this address the = concern about the Section 2 scope comment " unknown contribution of processing time at the host that generates the ICMP response." 2) Section 4.1 makes reference to the experimental RFC7280 " UDP Checksum C= omplement in the One-Way Active Measurement Protocol (OWAMP) and Two-Way A= ctive Measurement Protocol (TWAMP)" is the a common accepted practice for a= ddressing UDP checksum considerations. I do not know the history why RFC72= 80 was Categorized as Experimental. Footer From nobody Wed Jul 24 08:15:34 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1FEBD120323 for ; Wed, 24 Jul 2019 08:15:32 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id t858dI67AW7I for ; Wed, 24 Jul 2019 08:15:28 -0700 (PDT) Received: from cnet.fi.uba.ar (cnet.fi.uba.ar [157.92.58.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 2AB961202E1 for ; Wed, 24 Jul 2019 08:15:27 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by cnet.fi.uba.ar (Postfix) with ESMTP id 13754140077; Wed, 24 Jul 2019 12:15:23 -0300 (ART) X-Virus-Scanned: Debian amavisd-new at cnet.fi.uba.ar Received: from cnet.fi.uba.ar ([127.0.0.1]) by localhost (cnet.fi.uba.ar [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vPOKUEZXFBnD; Wed, 24 Jul 2019 12:15:17 -0300 (ART) Received: from [192.168.1.128] (unknown [157.92.51.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by cnet.fi.uba.ar (Postfix) with ESMTPSA id 0FB17140068; Wed, 24 Jul 2019 12:15:17 -0300 (ART) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\)) From: J Ignacio Alvarez-Hamelin In-Reply-To: <4D7F4AD313D3FC43A053B309F97543CFA0AD67A0@njmtexg4.research.att.com> Date: Wed, 24 Jul 2019 12:15:17 -0300 Cc: "Ackermann, Michael" , "ippm@ietf.org" , "CIAVATTONE, LEN" Content-Transfer-Encoding: quoted-printable Message-Id: <5668F6CC-DDEB-490D-B75A-E7B3F9275EEB@cnet.fi.uba.ar> References: <156260416772.1025.4998810537075651102.idtracker@ietfa.amsl.com> <4D7F4AD313D3FC43A053B309F97543CFA0ACDBB6@njmtexg4.research.att.com> <4D7F4AD313D3FC43A053B309F97543CFA0AD6049@njmtexg4.research.att.com> <4D7F4AD313D3FC43A053B309F97543CFA0AD67A0@njmtexg4.research.att.com> To: "MORTON, ALFRED C (AL)" X-Mailer: Apple Mail (2.3445.104.11) Archived-At: Subject: Re: [ippm] New Version Notification for draft-morton-ippm-capcity-metric-method-00.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Jul 2019 15:15:32 -0000 Hi Al.,=20 Unfortunately I am not there=E2=80=A6 but still this subject is very = interesting for me. I see that the measurements methods are based on = link saturation, is still some room to add another possibility without = saturation?=20 Many thanks an get a good time in Montreal! Ignacio _______________________________________________________________ Dr. Ing. Jos=C3=A9 Ignacio Alvarez-Hamelin CONICET and Facultad de Ingenier=C3=ADa, Universidad de Buenos Aires Av. Paseo Col=C3=B3n 850 - C1063ACV - Buenos Aires - Argentina +54 (11) 5285 0716 / 5285 0705 e-mail: ihameli@cnet.fi.uba.ar web: http://cnet.fi.uba.ar/ignacio.alvarez-hamelin/ _______________________________________________________________ > On 24 Jul 2019, at 11:37, MORTON, ALFRED C (AL) = wrote: >=20 > Thanks Mike and others who have indicated interest! >=20 > We'll meet on Thursday 1200 Lunch,=20 > at the Foyer in front of IETF Registration. >=20 > We grab something quick to eat, > and sit down to look at the background as necessary, > the draft, and a short Liaison reply to the "Harmonization" thread. >=20 > All are welcome, just show-up. > Al >=20 > PS: If you can't make this time, please contact me > to schedule an alternative opportunity. >=20 >=20 >> -----Original Message----- >> From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Ackermann, = Michael >> Sent: Tuesday, July 23, 2019 12:25 PM >> To: MORTON, ALFRED C (AL) ; ippm@ietf.org >> Cc: CIAVATTONE, LEN >> Subject: Re: [ippm] New Version Notification for draft-morton-ippm- >> capcity-metric-method-00.txt >>=20 >> Thank you Al >>=20 >> I did read this draft and thought it was extremely well done and very >> informative. >>=20 >> Please let me know if/when any related side meetings are set up and I = will >> make every effort to attend! >>=20 >> Thanks again >>=20 >> Mike >>=20 >>=20 >> -----Original Message----- >> From: ippm On Behalf Of MORTON, ALFRED C (AL) >> Sent: Tuesday, July 23, 2019 11:39 AM >> To: ippm@ietf.org >> Cc: CIAVATTONE, LEN >> Subject: Re: [ippm] New Version Notification for draft-morton-ippm- >> capcity-metric-method-00.txt >>=20 >> ALERT This email was sent from a source external to BCBSM/BCN. >> DO NOT CLICK links or attachments unless you recognize the sender and >> trust the content. >>=20 >>=20 >> IPPM folks, >>=20 >> I'm willing to set-up one or more side meetings to discuss this new = draft >> and supporting material, including the most recent testing and = results >> from the Hackathon@105 [0]. >>=20 >> Let me know if you can squeeze a few minutes for this in your busy = week! >>=20 >> thanks, >> Al >>=20 >> [0] = https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__github.com_IETF- >> 2DHackathon_ietf105-2Dproject-2Dpresentations_blob_master_105-2Dacm- >> 2DHackathon-2DMeasurements.pdf&d=3DDwIGaQ&c=3DLFYZ- >> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DOWFIYwbnYUHx6EBa9258gGQmc= Ve5C >> YmKOu9Nvo8SHvU&s=3D9SWMfuct0UpMjBoHDjbWLthFSM1i3Tm1OpEgwYqEaRE&e=3D >>=20 >>=20 >>> -----Original Message----- >>> From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of MORTON, = ALFRED >>> C >>> (AL) >>> Sent: Sunday, July 14, 2019 12:26 PM >>> To: ippm@ietf.org >>> Cc: CIAVATTONE, LEN >>> Subject: [ippm] FW: New Version Notification for draft-morton-ippm- >>> capcity-metric-method-00.txt >>>=20 >>>=20 >>> IPPM, >>>=20 >>> This new draft is a proposal for a metric and methods of measurement >>> for Maximum IP-layer Capacity, one of the many possible metrics to >>> characterize IP-layer performance. >>>=20 >>> We have a lightning 5-minutes on the IPPM agenda to discuss this new >>> draft, so the authors are providing this additional background and >>> welcome any comments on-list or side meetings we can arrange in >>> Montreal to discuss. >>>=20 >>> Notes and Background: >>>=20 >>> This work will be a topic at a "measurements" table at the >>> Hackathon@105, and possibly presented later in the week at MAPRG if >>> time/other topics permit. >>>=20 >>> Liaisons received by IPPM provide additional info on testing (with >>> attachments containing test results in most cases): >>> https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >>> 3A__datatracker.ietf.org_liaison_1645_&d=3DDwIGaQ&c=3DLFYZ- >>> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DIL8HkvaKvBB1lePcKTXpOgEWF= >>> U- b56ZFZsFV_SMnC_4&s=3DiHewHfAuU7oJMgGiiemtNsY5v2xhPZBaINvHGirKlZc&e=3D= >>> https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >>> 3A__datatracker.ietf.org_liaison_1643_&d=3DDwIGaQ&c=3DLFYZ- >>> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DIL8HkvaKvBB1lePcKTXpOgEWF= >>> U- b56ZFZsFV_SMnC_4&s=3Dr-NJnMRfJcxNEbb0CtF6zE_YNfYXwSW6nYb6V6D3Hz4&e=3D= >>> https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >>> 3A__datatracker.ietf.org_liaison_1634_&d=3DDwIGaQ&c=3DLFYZ- >>> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DIL8HkvaKvBB1lePcKTXpOgEWF= >>> U- b56ZFZsFV_SMnC_4&s=3DOFl_Iqn1AhgTL4dkQjOp-MRS4-k33YHUrvRnPClsdaU&e=3D= >>> https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >>> 3A__datatracker.ietf.org_liaison_1632_&d=3DDwIGaQ&c=3DLFYZ- >>> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DIL8HkvaKvBB1lePcKTXpOgEWF= >>> U- b56ZFZsFV_SMnC_4&s=3Dzrr92OnGzlO-nxGpIs0xfvIdcijhnqCkNf_dhTdcMC0&e=3D= >>>=20 >>> Technical Committee ETSI STQ has approved ETSI TS 103 222-2 "Part 2: >>> Reference benchmarking and KPIs for High speed internet", containing >>> the new material presently covered in clause 4.5, titled =E2=80=9CIP/U= DP >>> Capacity=E2=80=9C. The new clause contains a definition of Maximum = IP Capacity >>> that is equivalent to the definition proposed in the new draft. The = TS >>> text will be published shortly. >>>=20 >>> At ITU-T Study Group 12, Recommendation Y.1540, on "IP packet = transfer >>> and availability performance parameters" >>> (also containing an equivalent definition with requirements for >>> methods of measurement) is proceeding through the (longer) approval >> process. >>>=20 >>> Thanks for considering this new proposal; it is one of the topics = that >>> IPPM was chartered over 20 years ago to complete. >>>=20 >>> Al, R=C3=BCdiger, and Len >>>=20 >>>=20 >>> -----Original Message----- >>> From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org] >>> Sent: Monday, July 8, 2019 12:43 PM >>> To: MORTON, ALFRED C (AL) ; >>> Subject: New Version Notification for >>> draft-morton-ippm-capcity-metric- method-00.txt >>>=20 >>>=20 >>> A new version of I-D, draft-morton-ippm-capcity-metric-method-00.txt >>> has been successfully submitted by Al Morton and posted to the IETF >>> repository. >>>=20 >>> Name: draft-morton-ippm-capcity-metric-method >>> Revision: 00 >>> Title: Metrics and Methods for IP Capacity >>> Document date: 2019-07-08 >>> Group: Individual Submission >>> Pages: 13 >>> URL: >>> https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >>> = 3A__tools.ietf.org_html_draft-2Dmorton-2Dippm-2Dcapcity-2Dmetric-2Dmet >>> hod- >>> 2D00&d=3DDwIGaQ&c=3DLFYZ- >>> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DIL8HkvaKvBB1lePcKTXpOgEWF= >>> U- b56ZFZsFV_SMnC_4&s=3DKd6ckx4rIYt0nqpwi6gUSfasPgYZSn3sJVnqHF7phQg&e=3D= >>>=20 >>> Abstract: >>> This memo revisits the problem of Network Capacity metrics first >>> examined in RFC 5136. The memo specifies a more practical Maximum >>> IP-layer Capacity metric definition catering for measurement >>> purposes, and outlines the corresponding methods of measurement. >>> _______________________________________________ >>> ippm mailing list >>> ippm@ietf.org >>> https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >>> 3A__www.ietf.org_mailman_listinfo_ippm&d=3DDwIGaQ&c=3DLFYZ- >>> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DIL8HkvaKvBB1lePcKTXpOgEWF= >>> U- b56ZFZsFV_SMnC_4&s=3Duos7uP-jGxP5FZHY-azjA6Ip7zHpszskfXNMiZDO020&e=3D= >> _______________________________________________ >> ippm mailing list >> ippm@ietf.org >> https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >> 3A__www.ietf.org_mailman_listinfo_ippm&d=3DDwIGaQ&c=3DLFYZ- >> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DOWFIYwbnYUHx6EBa9258gGQmc= Ve5C >> YmKOu9Nvo8SHvU&s=3DJ3GuOQ7UeJpe3NuaidU-fdcyEd0E7oeOzpMoe9KKEO8&e=3D >>=20 >>=20 >> The information contained in this communication is highly = confidential and >> is intended solely for the use of the individual(s) to whom this >> communication is directed. If you are not the intended recipient, you = are >> hereby notified that any viewing, copying, disclosure or distribution = of >> this information is prohibited. Please notify the sender, by = electronic >> mail or telephone, of any unintended receipt and delete the original >> message without making any copies. >>=20 >> Blue Cross Blue Shield of Michigan and Blue Care Network of Michigan = are >> nonprofit corporations and independent licensees of the Blue Cross = and >> Blue Shield Association. >> _______________________________________________ >> ippm mailing list >> ippm@ietf.org >> https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >> 3A__www.ietf.org_mailman_listinfo_ippm&d=3DDwIGaQ&c=3DLFYZ- >> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DOWFIYwbnYUHx6EBa9258gGQmc= Ve5C >> YmKOu9Nvo8SHvU&s=3DJ3GuOQ7UeJpe3NuaidU-fdcyEd0E7oeOzpMoe9KKEO8&e=3D > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm From nobody Wed Jul 24 08:29:20 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 574701203C1 for ; Wed, 24 Jul 2019 08:29:18 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.599 X-Spam-Level: X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id othwd807H_AW for ; Wed, 24 Jul 2019 08:29:14 -0700 (PDT) Received: from mx0a-00191d01.pphosted.com (mx0a-00191d01.pphosted.com [67.231.149.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E8870120366 for ; Wed, 24 Jul 2019 08:29:14 -0700 (PDT) Received: from pps.filterd (m0049297.ppops.net [127.0.0.1]) by m0049297.ppops.net-00191d01. 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(Service) with ESMTP id 79A124009E80; Wed, 24 Jul 2019 15:29:01 +0000 (GMT) Received: from sldc.sbc.com (localhost [127.0.0.1]) by clpi183.sldc.sbc.com (8.14.5/8.14.5) with ESMTP id x6OFT1Xa008160; Wed, 24 Jul 2019 10:29:01 -0500 Received: from mail-blue.research.att.com (mail-blue.research.att.com [135.207.178.11]) by clpi183.sldc.sbc.com (8.14.5/8.14.5) with ESMTP id x6OFSuX4007907; Wed, 24 Jul 2019 10:28:56 -0500 Received: from exchange.research.att.com (njbdcas1.research.att.com [135.197.255.61]) by mail-blue.research.att.com (Postfix) with ESMTP id 69BCAF075A; Wed, 24 Jul 2019 11:28:56 -0400 (EDT) Received: from njmtexg4.research.att.com ([fe80::8cd:baa3:219e:5bd4]) by njbdcas1.research.att.com ([fe80::8c6b:4b77:618f:9a01%11]) with mapi id 14.03.0468.000; Wed, 24 Jul 2019 11:28:07 -0400 From: "MORTON, ALFRED C (AL)" To: J Ignacio Alvarez-Hamelin CC: "Ackermann, Michael" , "ippm@ietf.org" , "CIAVATTONE, LEN" Thread-Topic: [ippm] New Version Notification for 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OGZKRF9lNFlpS2Q3RTVTLTBodVUmZT0NCg0K From nobody Wed Jul 24 11:09:44 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 98566120112 for ; Wed, 24 Jul 2019 11:09:42 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yU_rxNaXSY18 for ; Wed, 24 Jul 2019 11:09:39 -0700 (PDT) Received: from cnet.fi.uba.ar (cnet.fi.uba.ar [157.92.58.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D52EB120059 for ; Wed, 24 Jul 2019 11:09:38 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by cnet.fi.uba.ar (Postfix) with ESMTP id AD58A140077; Wed, 24 Jul 2019 15:09:31 -0300 (ART) X-Virus-Scanned: Debian amavisd-new at cnet.fi.uba.ar Received: from cnet.fi.uba.ar ([127.0.0.1]) by localhost (cnet.fi.uba.ar [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TVQQSfQnLJA1; Wed, 24 Jul 2019 15:09:25 -0300 (ART) Received: from [172.20.10.2] (host104.181-7-199.telecom.net.ar [181.7.199.104]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by cnet.fi.uba.ar (Postfix) with ESMTPSA id 47A88140068; Wed, 24 Jul 2019 15:09:25 -0300 (ART) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\)) From: J Ignacio Alvarez-Hamelin In-Reply-To: <4D7F4AD313D3FC43A053B309F97543CFA0AD6AC8@njmtexg4.research.att.com> Date: Wed, 24 Jul 2019 15:09:26 -0300 Cc: "Ackermann, Michael" , "ippm@ietf.org" , "CIAVATTONE, LEN" Content-Transfer-Encoding: quoted-printable Message-Id: References: <156260416772.1025.4998810537075651102.idtracker@ietfa.amsl.com> <4D7F4AD313D3FC43A053B309F97543CFA0ACDBB6@njmtexg4.research.att.com> <4D7F4AD313D3FC43A053B309F97543CFA0AD6049@njmtexg4.research.att.com> <4D7F4AD313D3FC43A053B309F97543CFA0AD67A0@njmtexg4.research.att.com> <5668F6CC-DDEB-490D-B75A-E7B3F9275EEB@cnet.fi.uba.ar> <4D7F4AD313D3FC43A053B309F97543CFA0AD6AC8@njmtexg4.research.att.com> To: "MORTON, ALFRED C (AL)" X-Mailer: Apple Mail (2.3445.104.11) Archived-At: Subject: Re: [ippm] New Version Notification for draft-morton-ippm-capcity-metric-method-00.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Jul 2019 18:09:43 -0000 Thats o.k., I will provide some ideas about that. Thanks! _______________________________________________________________ Dr. Ing. Jos=C3=A9 Ignacio Alvarez-Hamelin CONICET and Facultad de Ingenier=C3=ADa, Universidad de Buenos Aires Av. Paseo Col=C3=B3n 850 - C1063ACV - Buenos Aires - Argentina +54 (11) 5285 0716 / 5285 0705 e-mail: ihameli@cnet.fi.uba.ar web: http://cnet.fi.uba.ar/ignacio.alvarez-hamelin/ _______________________________________________________________ > On 24 Jul 2019, at 12:28, MORTON, ALFRED C (AL) = wrote: >=20 > Hi Ignacio, >=20 > Thanks for your interest - I think that there have > been many methods and different metrics tried and > tested. There's certainly room for more investigation > *as a parallel effort*. The authors would prefer not > to expand this draft's coverage, unless another=20 > metric and method has been evaluated as extensively. >=20 > Tight scope is the key to more prompt delivery, > feel free to suggest how we can add limits to=20 > this scope and leave room for non-saturation methods > for IP-Capacity (not yet revealed). >=20 > see you soon on Meetecho, > Al >=20 >> -----Original Message----- >> From: J Ignacio Alvarez-Hamelin [mailto:ihameli@cnet.fi.uba.ar] >> Sent: Wednesday, July 24, 2019 11:15 AM >> To: MORTON, ALFRED C (AL) >> Cc: Ackermann, Michael ; ippm@ietf.org; = CIAVATTONE, >> LEN >> Subject: Re: [ippm] New Version Notification for draft-morton-ippm- >> capcity-metric-method-00.txt >>=20 >> Hi Al., >>=20 >> Unfortunately I am not there=E2=80=A6 but still this subject is very = interesting >> for me. I see that the measurements methods are based on link = saturation, >> is still some room to add another possibility without saturation? >>=20 >> Many thanks an get a good time in Montreal! >>=20 >> Ignacio >>=20 >>=20 >> _______________________________________________________________ >>=20 >> Dr. Ing. Jos=C3=A9 Ignacio Alvarez-Hamelin >> CONICET and Facultad de Ingenier=C3=ADa, Universidad de Buenos Aires >> Av. Paseo Col=C3=B3n 850 - C1063ACV - Buenos Aires - Argentina >> +54 (11) 5285 0716 / 5285 0705 >> e-mail: ihameli@cnet.fi.uba.ar >> web: https://urldefense.proofpoint.com/v2/url?u=3Dhttp- >> 3A__cnet.fi.uba.ar_ignacio.alvarez-2Dhamelin_&d=3DDwIFaQ&c=3DLFYZ- >> o9_HUMeMTSQicvjIg&r=3D_6cen3Hn-e_hOm0BhY7aIpA58dd19Z9qGQsr8- >> 6zYMI&m=3DOprUpJKiIhcirgI04g0ZVVpKUXWtCK_- >> QKM_wv3SJGI&s=3DQSG7scjGmgLXuUmjZJLlpP0YMvvMPUyj788L8lS1wQg&e=3D >> _______________________________________________________________ >>=20 >>=20 >>=20 >>> On 24 Jul 2019, at 11:37, MORTON, ALFRED C (AL) = >> wrote: >>>=20 >>> Thanks Mike and others who have indicated interest! >>>=20 >>> We'll meet on Thursday 1200 Lunch, >>> at the Foyer in front of IETF Registration. >>>=20 >>> We grab something quick to eat, >>> and sit down to look at the background as necessary, >>> the draft, and a short Liaison reply to the "Harmonization" thread. >>>=20 >>> All are welcome, just show-up. >>> Al >>>=20 >>> PS: If you can't make this time, please contact me >>> to schedule an alternative opportunity. >>>=20 >>>=20 >>>> -----Original Message----- >>>> From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Ackermann, >> Michael >>>> Sent: Tuesday, July 23, 2019 12:25 PM >>>> To: MORTON, ALFRED C (AL) ; ippm@ietf.org >>>> Cc: CIAVATTONE, LEN >>>> Subject: Re: [ippm] New Version Notification for draft-morton-ippm- >>>> capcity-metric-method-00.txt >>>>=20 >>>> Thank you Al >>>>=20 >>>> I did read this draft and thought it was extremely well done and = very >>>> informative. >>>>=20 >>>> Please let me know if/when any related side meetings are set up and = I >> will >>>> make every effort to attend! >>>>=20 >>>> Thanks again >>>>=20 >>>> Mike >>>>=20 >>>>=20 >>>> -----Original Message----- >>>> From: ippm On Behalf Of MORTON, ALFRED C = (AL) >>>> Sent: Tuesday, July 23, 2019 11:39 AM >>>> To: ippm@ietf.org >>>> Cc: CIAVATTONE, LEN >>>> Subject: Re: [ippm] New Version Notification for draft-morton-ippm- >>>> capcity-metric-method-00.txt >>>>=20 >>>> ALERT This email was sent from a source external to BCBSM/BCN. >>>> DO NOT CLICK links or attachments unless you recognize the sender = and >>>> trust the content. >>>>=20 >>>>=20 >>>> IPPM folks, >>>>=20 >>>> I'm willing to set-up one or more side meetings to discuss this new >> draft >>>> and supporting material, including the most recent testing and = results >>>> from the Hackathon@105 [0]. >>>>=20 >>>> Let me know if you can squeeze a few minutes for this in your busy >> week! >>>>=20 >>>> thanks, >>>> Al >>>>=20 >>>> [0] https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >> 3A__github.com_IETF- >>>> = 2DHackathon_ietf105-2Dproject-2Dpresentations_blob_master_105-2Dacm- >>>> 2DHackathon-2DMeasurements.pdf&d=3DDwIGaQ&c=3DLFYZ- >>>>=20 >> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DOWFIYwbnYUHx6EBa9258gGQmc= Ve5C >>>> YmKOu9Nvo8SHvU&s=3D9SWMfuct0UpMjBoHDjbWLthFSM1i3Tm1OpEgwYqEaRE&e=3D >>>>=20 >>>>=20 >>>>> -----Original Message----- >>>>> From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of MORTON, = ALFRED >>>>> C >>>>> (AL) >>>>> Sent: Sunday, July 14, 2019 12:26 PM >>>>> To: ippm@ietf.org >>>>> Cc: CIAVATTONE, LEN >>>>> Subject: [ippm] FW: New Version Notification for = draft-morton-ippm- >>>>> capcity-metric-method-00.txt >>>>>=20 >>>>>=20 >>>>> IPPM, >>>>>=20 >>>>> This new draft is a proposal for a metric and methods of = measurement >>>>> for Maximum IP-layer Capacity, one of the many possible metrics to >>>>> characterize IP-layer performance. >>>>>=20 >>>>> We have a lightning 5-minutes on the IPPM agenda to discuss this = new >>>>> draft, so the authors are providing this additional background and >>>>> welcome any comments on-list or side meetings we can arrange in >>>>> Montreal to discuss. >>>>>=20 >>>>> Notes and Background: >>>>>=20 >>>>> This work will be a topic at a "measurements" table at the >>>>> Hackathon@105, and possibly presented later in the week at MAPRG = if >>>>> time/other topics permit. >>>>>=20 >>>>> Liaisons received by IPPM provide additional info on testing (with >>>>> attachments containing test results in most cases): >>>>> https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >>>>> 3A__datatracker.ietf.org_liaison_1645_&d=3DDwIGaQ&c=3DLFYZ- >>>>> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DIL8HkvaKvBB1lePcKTXpOgEWF= >>>>> U- = b56ZFZsFV_SMnC_4&s=3DiHewHfAuU7oJMgGiiemtNsY5v2xhPZBaINvHGirKlZc&e=3D >>>>> https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >>>>> 3A__datatracker.ietf.org_liaison_1643_&d=3DDwIGaQ&c=3DLFYZ- >>>>> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DIL8HkvaKvBB1lePcKTXpOgEWF= >>>>> U- = b56ZFZsFV_SMnC_4&s=3Dr-NJnMRfJcxNEbb0CtF6zE_YNfYXwSW6nYb6V6D3Hz4&e=3D >>>>> https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >>>>> 3A__datatracker.ietf.org_liaison_1634_&d=3DDwIGaQ&c=3DLFYZ- >>>>> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DIL8HkvaKvBB1lePcKTXpOgEWF= >>>>> U- = b56ZFZsFV_SMnC_4&s=3DOFl_Iqn1AhgTL4dkQjOp-MRS4-k33YHUrvRnPClsdaU&e=3D >>>>> https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >>>>> 3A__datatracker.ietf.org_liaison_1632_&d=3DDwIGaQ&c=3DLFYZ- >>>>> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DIL8HkvaKvBB1lePcKTXpOgEWF= >>>>> U- = b56ZFZsFV_SMnC_4&s=3Dzrr92OnGzlO-nxGpIs0xfvIdcijhnqCkNf_dhTdcMC0&e=3D >>>>>=20 >>>>> Technical Committee ETSI STQ has approved ETSI TS 103 222-2 "Part = 2: >>>>> Reference benchmarking and KPIs for High speed internet", = containing >>>>> the new material presently covered in clause 4.5, titled =E2=80=9CIP= /UDP >>>>> Capacity=E2=80=9C. The new clause contains a definition of Maximum = IP Capacity >>>>> that is equivalent to the definition proposed in the new draft. = The TS >>>>> text will be published shortly. >>>>>=20 >>>>> At ITU-T Study Group 12, Recommendation Y.1540, on "IP packet = transfer >>>>> and availability performance parameters" >>>>> (also containing an equivalent definition with requirements for >>>>> methods of measurement) is proceeding through the (longer) = approval >>>> process. >>>>>=20 >>>>> Thanks for considering this new proposal; it is one of the topics = that >>>>> IPPM was chartered over 20 years ago to complete. >>>>>=20 >>>>> Al, R=C3=BCdiger, and Len >>>>>=20 >>>>>=20 >>>>> -----Original Message----- >>>>> From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org] >>>>> Sent: Monday, July 8, 2019 12:43 PM >>>>> To: MORTON, ALFRED C (AL) ; >>>>> Subject: New Version Notification for >>>>> draft-morton-ippm-capcity-metric- method-00.txt >>>>>=20 >>>>>=20 >>>>> A new version of I-D, = draft-morton-ippm-capcity-metric-method-00.txt >>>>> has been successfully submitted by Al Morton and posted to the = IETF >>>>> repository. >>>>>=20 >>>>> Name: draft-morton-ippm-capcity-metric-method >>>>> Revision: 00 >>>>> Title: Metrics and Methods for IP Capacity >>>>> Document date: 2019-07-08 >>>>> Group: Individual Submission >>>>> Pages: 13 >>>>> URL: >>>>> https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >>>>> = 3A__tools.ietf.org_html_draft-2Dmorton-2Dippm-2Dcapcity-2Dmetric-2Dmet >>>>> hod- >>>>> 2D00&d=3DDwIGaQ&c=3DLFYZ- >>>>> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DIL8HkvaKvBB1lePcKTXpOgEWF= >>>>> U- = b56ZFZsFV_SMnC_4&s=3DKd6ckx4rIYt0nqpwi6gUSfasPgYZSn3sJVnqHF7phQg&e=3D >>>>>=20 >>>>> Abstract: >>>>> This memo revisits the problem of Network Capacity metrics first >>>>> examined in RFC 5136. The memo specifies a more practical = Maximum >>>>> IP-layer Capacity metric definition catering for measurement >>>>> purposes, and outlines the corresponding methods of measurement. >>>>> _______________________________________________ >>>>> ippm mailing list >>>>> ippm@ietf.org >>>>> https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >>>>> 3A__www.ietf.org_mailman_listinfo_ippm&d=3DDwIGaQ&c=3DLFYZ- >>>>> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DIL8HkvaKvBB1lePcKTXpOgEWF= >>>>> U- = b56ZFZsFV_SMnC_4&s=3Duos7uP-jGxP5FZHY-azjA6Ip7zHpszskfXNMiZDO020&e=3D >>>> _______________________________________________ >>>> ippm mailing list >>>> ippm@ietf.org >>>> https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >>>> 3A__www.ietf.org_mailman_listinfo_ippm&d=3DDwIGaQ&c=3DLFYZ- >>>>=20 >> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DOWFIYwbnYUHx6EBa9258gGQmc= Ve5C >>>> YmKOu9Nvo8SHvU&s=3DJ3GuOQ7UeJpe3NuaidU-fdcyEd0E7oeOzpMoe9KKEO8&e=3D >>>>=20 >>>>=20 >>>> The information contained in this communication is highly = confidential >> and >>>> is intended solely for the use of the individual(s) to whom this >>>> communication is directed. If you are not the intended recipient, = you >> are >>>> hereby notified that any viewing, copying, disclosure or = distribution >> of >>>> this information is prohibited. Please notify the sender, by = electronic >>>> mail or telephone, of any unintended receipt and delete the = original >>>> message without making any copies. >>>>=20 >>>> Blue Cross Blue Shield of Michigan and Blue Care Network of = Michigan >> are >>>> nonprofit corporations and independent licensees of the Blue Cross = and >>>> Blue Shield Association. >>>> _______________________________________________ >>>> ippm mailing list >>>> ippm@ietf.org >>>> https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >>>> 3A__www.ietf.org_mailman_listinfo_ippm&d=3DDwIGaQ&c=3DLFYZ- >>>>=20 >> = o9_HUMeMTSQicvjIg&r=3DOfsSu8kTIltVyD1oL72cBw&m=3DOWFIYwbnYUHx6EBa9258gGQmc= Ve5C >>>> YmKOu9Nvo8SHvU&s=3DJ3GuOQ7UeJpe3NuaidU-fdcyEd0E7oeOzpMoe9KKEO8&e=3D >>> _______________________________________________ >>> ippm mailing list >>> ippm@ietf.org >>> https://urldefense.proofpoint.com/v2/url?u=3Dhttps- >> 3A__www.ietf.org_mailman_listinfo_ippm&d=3DDwIFaQ&c=3DLFYZ- >> o9_HUMeMTSQicvjIg&r=3D_6cen3Hn-e_hOm0BhY7aIpA58dd19Z9qGQsr8- >> 6zYMI&m=3DOprUpJKiIhcirgI04g0ZVVpKUXWtCK_- >> QKM_wv3SJGI&s=3DLcM0qPrFdQLJOVVnhkCWERj8fJD_e4YiKd7E5S-0huU&e=3D From nobody Wed Jul 24 11:37:21 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id EF3C8120609 for ; Wed, 24 Jul 2019 11:37:15 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=quantonium-net.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NimiI9N3eAVL for ; Wed, 24 Jul 2019 11:37:13 -0700 (PDT) Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 91083120338 for ; Wed, 24 Jul 2019 11:37:13 -0700 (PDT) Received: by mail-wm1-x333.google.com with SMTP id x15so42707227wmj.3 for ; Wed, 24 Jul 2019 11:37:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quantonium-net.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=jjOF5KOkzhitcrGXgO003uQJ4QjybKINFYfA03fsbwU=; b=u8jb75RucBuHtRcNQJlLgS+s7WlNj/5/XDvXckL1kVMqXsw6ip61VbCc2ib8ng67HP G6+xSC77rbpWgjLuuDqPr+dSxXbKCZ3G//E6zjJqZ/IHEqEQ8YL/9NiAJ/iu0ltwaSA6 lquSDkpHcG7g3TlRi9eOx2+FCjodI4zpyp6koZAMIArKuxoJOf/OqaX1dyjGoELZ0kb/ YTsYF5ud4vmURQni6z8DcBujfoBAwdb1BMTJkByZweMAvTmpj+3fG4SrzlInsApc5ZS1 RTOw6LyIf/TZChDT9IbHE1nVJt4ToAR88zj8qbBtUwlA8llH9QvqPkYsjaQiEsu0WPm5 p+oA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=jjOF5KOkzhitcrGXgO003uQJ4QjybKINFYfA03fsbwU=; b=umJfRlD9z0WUKArYTm2oSTwDavByqfYfc6pthJSgg8JZdXW6llA1wP7DsqDQzBxGbk 2DHS2fvqjPaHXMjIGIgb2eU7owkizYxV+2rh4R32iZ4GDow7sLCAcVqSLw9mPorQTpCR 0V3RlqnBatie4afuKkcJhS4XZ1eWk30NyHf1hFV9tw3su9WnvlfpjBlHJHjvNFFD2IK0 CUTEjylheDnk58Ge8IzSlsVJt074NjIhnHMjTCfo7IDaUl1aN993rg4k3JIPVFQxTdiZ 6CWUv5KLSWegMsU9Um3yJ9hW+RO9y+sLdKtmrVeTMvF2K0daRjHF4hyXYazL20pB4uxz avSA== X-Gm-Message-State: APjAAAWQoNxZ5yfFn8AZh5Q05cKMHp74fdK/tW0GamXRulDvOdqL2eDe iO6LZa9Nb3n2jBqu+AEIQWPjS0tBtKCRq3xWLsiRaw== X-Google-Smtp-Source: APXvYqzCJ+E6UOZZhBpW85jYguVDlDzaIaQsVKmUmcDaS3h2wLjHgMnSSxapxTeZQzOLagYjlAUaq4ZReDBpLsAvWpI= X-Received: by 2002:a05:600c:2297:: with SMTP id 23mr23103114wmf.47.1563993431681; Wed, 24 Jul 2019 11:37:11 -0700 (PDT) MIME-Version: 1.0 References: <155683965168.24943.8797053937517329204.idtracker@ietfa.amsl.com> In-Reply-To: <155683965168.24943.8797053937517329204.idtracker@ietfa.amsl.com> From: Tom Herbert Date: Wed, 24 Jul 2019 11:37:00 -0700 Message-ID: To: ippm@ietf.org Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: [ippm] Fwd: New Version Notification for draft-herbert-ipv4-eh-01.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Jul 2019 18:37:20 -0000 Hello, Here is the I-D on IPv4 extension headers that was mentioned in the ippm wg meeting today. Thanks, Tom ---------- Forwarded message --------- From: Date: Thu, May 2, 2019 at 4:27 PM Subject: New Version Notification for draft-herbert-ipv4-eh-01.txt To: Tom Herbert A new version of I-D, draft-herbert-ipv4-eh-01.txt has been successfully submitted by Tom Herbert and posted to the IETF repository. Name: draft-herbert-ipv4-eh Revision: 01 Title: IPv4 Extension Headers and Flow Label Document date: 2019-05-02 Group: Individual Submission Pages: 18 URL: https://www.ietf.org/internet-drafts/draft-herbert-ipv4-eh-01.txt Status: https://datatracker.ietf.org/doc/draft-herbert-ipv4-eh/ Htmlized: https://tools.ietf.org/html/draft-herbert-ipv4-eh-01 Htmlized: https://datatracker.ietf.org/doc/html/draft-herbert-ipv4-eh Diff: https://www.ietf.org/rfcdiff?url2=draft-herbert-ipv4-eh-01 Abstract: This specification defines extension headers for IPv4 and a definition of an IPv4 flow label. The goal is to provide a uniform and feasible method of extensibility that is shared between IPv4 and IPv6. Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. The IETF Secretariat From nobody Wed Jul 24 12:12:52 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4730212067D; Wed, 24 Jul 2019 12:12:46 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2 X-Spam-Level: X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=apple.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id fIXpZKsmI3sn; Wed, 24 Jul 2019 12:12:44 -0700 (PDT) Received: from ma1-aaemail-dr-lapp03.apple.com (ma1-aaemail-dr-lapp03.apple.com [17.171.2.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 01D5B12066A; Wed, 24 Jul 2019 12:12:43 -0700 (PDT) Received: from pps.filterd (ma1-aaemail-dr-lapp03.apple.com [127.0.0.1]) by ma1-aaemail-dr-lapp03.apple.com (8.16.0.27/8.16.0.27) with SMTP id x6OJCSsu060778; Wed, 24 Jul 2019 12:12:42 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=apple.com; h=sender : from : message-id : content-type : mime-version : subject : date : in-reply-to : cc : to : references; s=20180706; bh=x6KGPk9QS6PwN/M5EBZT4U7QQ+yEdkq4Zha62IDk1uc=; b=s38JBefvv0S1+YzEF1yw91p5fcYWrpNec5srnD28oUFDpAMJKSFbJ84Rcv9paQM+KYvJ Lzw6XAUSxRhVNE4fzABur27DroHRGptc8eaGh8vaL41porPZl7ALoYWwjVr8iHJf54a+ OJNpMa70QbUcFI8eBPMjMp5pUMO2wn+RXi+f5GAJ6QVfA0FyB//Ta5xl9iEvgg125akX wz3bLX7pE4b75DXvKRtukRfufDv7QXjjhXWgKoc1Pm3P3cwuARpbFxBH6FvMd3kNA42Z Ey76R8YtGmA2OklaQDAUzOxdZ7bm2TzF9let0KbzJ6SkkwVIIgdnXS+a29NcWXGqmHmZ uw== Received: from mr2-mtap-s02.rno.apple.com (mr2-mtap-s02.rno.apple.com [17.179.226.134]) by ma1-aaemail-dr-lapp03.apple.com with ESMTP id 2tx69s7yjx-11 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Wed, 24 Jul 2019 12:12:42 -0700 Received: from nwk-mmpp-sz12.apple.com (nwk-mmpp-sz12.apple.com [17.128.115.204]) by mr2-mtap-s02.rno.apple.com (Oracle Communications Messaging Server 8.0.2.4.20190507 64bit (built May 7 2019)) with ESMTPS id <0PV50036OUP21S20@mr2-mtap-s02.rno.apple.com>; Wed, 24 Jul 2019 12:12:39 -0700 (PDT) Received: from process_milters-daemon.nwk-mmpp-sz12.apple.com by nwk-mmpp-sz12.apple.com (Oracle Communications Messaging Server 8.0.2.4.20190507 64bit (built May 7 2019)) id <0PV500L00UNM4R00@nwk-mmpp-sz12.apple.com>; Wed, 24 Jul 2019 12:12:39 -0700 (PDT) X-Va-A: X-Va-T-CD: 159681ac17b4bf28eab1955e26a63a9c X-Va-E-CD: 18f2446874dfe1cf4ab2d8095fd4f958 X-Va-R-CD: 399c43c40f25fb15eb4a3685b629b5d3 X-Va-CD: 0 X-Va-ID: f7d14a74-1393-4521-8f8b-7b4a9ad33634 X-V-A: X-V-T-CD: 159681ac17b4bf28eab1955e26a63a9c X-V-E-CD: 18f2446874dfe1cf4ab2d8095fd4f958 X-V-R-CD: 399c43c40f25fb15eb4a3685b629b5d3 X-V-CD: 0 X-V-ID: 84c2c97f-7cf2-4e86-8147-d9162f091c93 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-07-24_07:,, signatures=0 Received: from [17.235.0.161] by nwk-mmpp-sz12.apple.com (Oracle Communications Messaging Server 8.0.2.4.20190507 64bit (built May 7 2019)) with ESMTPSA id <0PV5009L4UMIX460@nwk-mmpp-sz12.apple.com>; Wed, 24 Jul 2019 12:11:09 -0700 (PDT) Sender: tpauly@apple.com From: Tommy Pauly Message-id: Content-type: multipart/alternative; boundary="Apple-Mail=_B6DB6635-6193-40E9-9E14-84B88C411880" MIME-version: 1.0 (Mac OS X Mail 12.4 \(3445.104.2\)) Date: Wed, 24 Jul 2019 15:11:02 -0400 In-reply-to: Cc: draft-mirsky-ippm-stamp-option-tlv@ietf.org To: IETF IPPM WG References: X-Mailer: Apple Mail (2.3445.104.2) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-24_07:, , signatures=0 Archived-At: Subject: Re: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tlv X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Jul 2019 19:12:51 -0000 --Apple-Mail=_B6DB6635-6193-40E9-9E14-84B88C411880 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Thanks to everyone for your feedback! This document is now adopted. Authors, please submit draft-ietf-ippm-stamp-option-tlv when ready with = recent updates. Best, Tommy > On Jul 8, 2019, at 6:47 PM, Tommy Pauly = wrote: >=20 > Hello IPPM, >=20 > This message begins an adoption call for = draft-mirsky-ippm-stamp-option-tlv, "Simple Two-way Active Measurement = Protocol Optional Extensions=E2=80=9D. The document has been discussed = on the list recently, with good input and reviews from the group. We=E2=80= =99d like to get the working group=E2=80=99s input on if this document = should be adopted and worked on by the group. >=20 > The current status and text of the document can be found here: >=20 > https://datatracker.ietf.org/doc/draft-mirsky-ippm-stamp-option-tlv/ = > https://tools.ietf.org/html/draft-mirsky-ippm-stamp-option-tlv-05 = >=20 > Please respond to this email by Tuesday, July 23 to indicate whether = or not you think IPPM should adopt and work on the extensions and = extension mechanism described in this draft. >=20 > Best, > Tommy (as IPPM co-chair) > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm --Apple-Mail=_B6DB6635-6193-40E9-9E14-84B88C411880 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 Thanks to everyone for your feedback! This document is now = adopted.

Authors, = please submit draft-ietf-ippm-stamp-option-tlv when ready with = recent updates.

Best,
Tommy

On Jul = 8, 2019, at 6:47 PM, Tommy Pauly <tpauly=3D40apple.com@dmarc.ietf.org> wrote:

Hello = IPPM,

This = message begins an adoption call for draft-mirsky-ippm-stamp-option-tlv, = "Simple Two-way Active Measurement Protocol Optional Extensions=E2=80=9D. = The document has been discussed on the list recently, with good input = and reviews from the group. We=E2=80=99d like to get the working = group=E2=80=99s input on if this document should be adopted and worked = on by the group.

The current status and text of the document can be found = here:

https://datatracker.ietf.org/doc/draft-mirsky-ippm-stamp-option= -tlv/
https://tools.ietf.org/html/draft-mirsky-ippm-stamp-option-tlv-= 05

Please = respond to this email by Tuesday, July 23 to = indicate whether or not you think IPPM should adopt and work on the = extensions and extension mechanism described in this draft.

Best,
Tommy = (as IPPM = co-chair)
_______________________________________________
ippm mailing list
ippm@ietf.org
https://www.ietf.org/mailman/listinfo/ippm

= --Apple-Mail=_B6DB6635-6193-40E9-9E14-84B88C411880-- From nobody Wed Jul 24 12:33:36 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 22AA51206A1; Wed, 24 Jul 2019 12:33:14 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yrizvrPHrGaT; Wed, 24 Jul 2019 12:33:12 -0700 (PDT) Received: from cnet.fi.uba.ar (cnet.fi.uba.ar [157.92.58.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B937F120687; Wed, 24 Jul 2019 12:33:10 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by cnet.fi.uba.ar (Postfix) with ESMTP id E519B140077; Wed, 24 Jul 2019 16:33:04 -0300 (ART) X-Virus-Scanned: Debian amavisd-new at cnet.fi.uba.ar Received: from cnet.fi.uba.ar ([127.0.0.1]) by localhost (cnet.fi.uba.ar [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id XnqEyCWjzPzN; Wed, 24 Jul 2019 16:32:59 -0300 (ART) Received: from [172.20.10.2] (host104.181-7-199.telecom.net.ar [181.7.199.104]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by cnet.fi.uba.ar (Postfix) with ESMTPSA id 28AD5140068; Wed, 24 Jul 2019 16:32:59 -0300 (ART) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\)) From: J Ignacio Alvarez-Hamelin In-Reply-To: Date: Wed, 24 Jul 2019 16:33:01 -0300 Cc: IETF IPPM WG , draft-mirsky-ippm-stamp-option-tlv@ietf.org Content-Transfer-Encoding: quoted-printable Message-Id: <3BB4E63F-6848-4034-8807-18F8EC45A57C@cnet.fi.uba.ar> References: To: Tommy Pauly X-Mailer: Apple Mail (2.3445.104.11) Archived-At: Subject: Re: [ippm] Adoption call for draft-mirsky-ippm-stamp-option-tlv X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Jul 2019 19:33:18 -0000 I support this draft. Regards, Ignacio _______________________________________________________________ Dr. Ing. Jos=C3=A9 Ignacio Alvarez-Hamelin CONICET and Facultad de Ingenier=C3=ADa, Universidad de Buenos Aires Av. Paseo Col=C3=B3n 850 - C1063ACV - Buenos Aires - Argentina +54 (11) 5285 0716 / 5285 0705 e-mail: ihameli@cnet.fi.uba.ar web: http://cnet.fi.uba.ar/ignacio.alvarez-hamelin/ _______________________________________________________________ > On 8 Jul 2019, at 19:47, Tommy Pauly = wrote: >=20 > Hello IPPM, >=20 > This message begins an adoption call for = draft-mirsky-ippm-stamp-option-tlv, "Simple Two-way Active Measurement = Protocol Optional Extensions=E2=80=9D. The document has been discussed = on the list recently, with good input and reviews from the group. We=E2=80= =99d like to get the working group=E2=80=99s input on if this document = should be adopted and worked on by the group. >=20 > The current status and text of the document can be found here: >=20 > https://datatracker.ietf.org/doc/draft-mirsky-ippm-stamp-option-tlv/ > https://tools.ietf.org/html/draft-mirsky-ippm-stamp-option-tlv-05 >=20 > Please respond to this email by Tuesday, July 23 to indicate whether = or not you think IPPM should adopt and work on the extensions and = extension mechanism described in this draft. >=20 > Best, > Tommy (as IPPM co-chair) > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm From nobody Wed Jul 24 13:24:09 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 605B51205F8; Wed, 24 Jul 2019 13:24:08 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.997 X-Spam-Level: X-Spam-Status: No, score=-1.997 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Kd8ofp6z4dlK; Wed, 24 Jul 2019 13:24:06 -0700 (PDT) Received: from mail-qt1-x830.google.com (mail-qt1-x830.google.com [IPv6:2607:f8b0:4864:20::830]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C89C4120494; Wed, 24 Jul 2019 13:24:06 -0700 (PDT) Received: by mail-qt1-x830.google.com with SMTP id d17so46759689qtj.8; Wed, 24 Jul 2019 13:24:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to:cc; bh=26s9HcqXpYs0IFjSF0lV1OBO6oJqjWGQabjg6QvnD+8=; b=HdYwupeu/FD4f8+K7TY6s0f0yMPbW0GWhcgziNqduSCqVjT9r1DIG269KPZ6IO/ft/ i4S6foLPIG96/EYLMXvCmybdWLxTlFM88qxspq3q7XnPqo8IAll5HvMoJf5uZ/XV4lRo ChWStbZYnSwWTatGfVvB2kmnGdez4lmt/8nndzWPobXTE63yhG/eYqSymwa5vvTmUQ7o 6BMq/F6gA6AWowuIq7kj/Tlab3dftdX/N7SM/JuLUmnT6Jkv0n1wCE7z4DsoNt8d5ROS wdT5CqZeZCSjE5Dh+RSifaGltByanOjs9r00BqBaXwX4UIKlqPlRVPrb+IZqAP4bxpjo 7nHg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=26s9HcqXpYs0IFjSF0lV1OBO6oJqjWGQabjg6QvnD+8=; b=BWO7yUbiEeJ+9ONOxnJO6IGlfJ+14WkoAo9hBPBLiLoDPiEAVFRA4mRB78mboY9Wyd heJ+fYQ7BgTFjGztuS1Dp7bnOP2T/9MHhtvXz28D5HOsNkTkDizWRmKextl4kGdTdWtt oOlYA0lMvidM8WDTaHfu1lVPdn54sVG4jJeJLlf1GpeDRV6xbKnntM7rIM06FXrJksby VDMqX4B0qrVNMOmJlj4C+nbxIhxb0fAwz0qQirvAmQhWEWNDPNpPlGY/pmgggAQKMZLa SPaCNe2QpP2iyXwOT+o1FOpxrnvlJV/abdz4lqQH1V/wUWLfNPSGeN46K6BlY2VT8RnW P9rQ== X-Gm-Message-State: APjAAAXGuwc9NmQLYZC6OSBViz589AzdKyg2b8xqD26MoMutccwbJR69 XRwI5Ln/n8q5WK84bngzUVSxQYrjHxf6mecl3MPJLsq+ZVE= X-Google-Smtp-Source: APXvYqyyGV/lUKX2VlTI7455Od98xCq66if5P/l7OE6SJ1itPvB/vCz+nITKR4hRaxNyKOiiXIQ2TshVLNLWlMq34AU= X-Received: by 2002:ac8:2a0a:: with SMTP id k10mr61428612qtk.148.1563999845631; Wed, 24 Jul 2019 13:24:05 -0700 (PDT) MIME-Version: 1.0 From: Tal Mizrahi Date: Wed, 24 Jul 2019 23:23:50 +0300 Message-ID: To: IETF IPPM WG Cc: IPPM Chairs Content-Type: multipart/alternative; boundary="0000000000003a4cd1058e731752" Archived-At: Subject: [ippm] Side Meeting: IOAM Immediate Export Draft X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Jul 2019 20:24:09 -0000 --0000000000003a4cd1058e731752 Content-Type: text/plain; charset="UTF-8" Hi, Time: Friday, 8:30-9:45. Room: Coller https://trac.ietf.org/trac/ietf/meeting/wiki/105sidemeetings Details: We are going to hold a side meeting on Friday morning to discuss the outline of the new draft that will describe the immediate export IOAM option. The meeting is open to all, and specifically intended for authors and contributors of the related IOAM drafts. Minutes will be sent to the list after the meeting. Cheers, Tal. --0000000000003a4cd1058e731752 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi,

Time: Friday, 8:30-9:45.
= Room: Coller
Details:
We ar= e going to hold a side meeting on Friday morning to discuss the outline of = the new draft that will describe the immediate export IOAM option.

The meeting is open to all, and specifically intended = for authors and contributors of the related IOAM drafts.

Minutes will be sent to the list after the meeting.

Cheers,
Tal.




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Wed, 24 Jul 2019 20:26:32 +0000 From: "Ramesh Sivakolundu (sramesh)" To: Tal Mizrahi , IETF IPPM WG CC: IPPM Chairs Thread-Topic: [ippm] Side Meeting: IOAM Immediate Export Draft Thread-Index: AQHVQl3PvKgEnall2EaUwLmpTZPuoabZ9CyA Date: Wed, 24 Jul 2019 20:26:32 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=sramesh@cisco.com; x-originating-ip: [207.164.135.99] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 8a4c9b74-f658-483f-affc-08d7107537c2 x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020); SRVR:BYAPR11MB2648; x-ms-traffictypediagnostic: BYAPR11MB2648: x-ms-exchange-purlcount: 1 x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:7691; x-forefront-prvs: 0108A997B2 x-forefront-antispam-report: SFV:SPM; 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boundary="_000_D95E36D997BFsrameshciscocom_" MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 8a4c9b74-f658-483f-affc-08d7107537c2 X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Jul 2019 20:26:32.7379 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: sramesh@cisco.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR11MB2648 X-OriginatorOrg: cisco.com X-Outbound-SMTP-Client: 173.36.7.22, xch-aln-012.cisco.com X-Outbound-Node: rcdn-core-11.cisco.com Archived-At: Subject: Re: [ippm] Side Meeting: IOAM Immediate Export Draft X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Jul 2019 20:27:08 -0000 --_000_D95E36D997BFsrameshciscocom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Any way to get a Webex for this meeting. I can set up the Webex, if you ca= n call in from the conference room. -Ramesh From: ippm > on behalf = of Tal Mizrahi = > Date: Wednesday, July 24, 2019 at 4:23 PM To: IETF IPPM WG > Cc: IPPM Chairs > Subject: [ippm] Side Meeting: IOAM Immediate Export Draft Hi, Time: Friday, 8:30-9:45. Room: Coller https://trac.ietf.org/trac/ietf/meeting/wiki/105sidemeetings Details: We are going to hold a side meeting on Friday morning to discuss the outlin= e of the new draft that will describe the immediate export IOAM option. The meeting is open to all, and specifically intended for authors and contr= ibutors of the related IOAM drafts. Minutes will be sent to the list after the meeting. Cheers, Tal. --_000_D95E36D997BFsrameshciscocom_ Content-Type: text/html; charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable
Any way to get a Webex  for this meeting. I can set up the Webex,= if you can call in from the conference room.

-Ramesh

From: ippm <ippm-bounces@ietf.org> on behalf of Tal Mizrahi= <tal.mizrahi.phd@gmail.com= >
Date: Wednesday, July 24, 2019 at 4= :23 PM
To: IETF IPPM WG <ippm@ietf.org>
Cc: IPPM Chairs <ippm-chairs@ietf.org>
Subject: [ippm] Side Meeting: IOAM = Immediate Export Draft

Hi,

Time: Friday, 8:30-9:45.
Room: Coller
Details:
We are going to hold a side meeting on Friday morning to discuss the o= utline of the new draft that will describe the immediate export IOAM option= .

The meeting is open to all, and specifically intended for authors and = contributors of the related IOAM drafts.

Minutes will be sent to the list after the meeting.

Cheers,
Tal.




 --_000_D95E36D997BFsrameshciscocom_-- From nobody Wed Jul 24 16:07:36 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id DB2A1120103 for ; Wed, 24 Jul 2019 16:07:33 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=herbertland-com.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7Np6y8UuvnYi for ; Wed, 24 Jul 2019 16:07:32 -0700 (PDT) Received: from mail-ed1-x536.google.com (mail-ed1-x536.google.com [IPv6:2a00:1450:4864:20::536]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id AF60412006E for ; Wed, 24 Jul 2019 16:07:31 -0700 (PDT) Received: by mail-ed1-x536.google.com with SMTP id w20so48475928edd.2 for ; Wed, 24 Jul 2019 16:07:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=herbertland-com.20150623.gappssmtp.com; s=20150623; h=mime-version:from:date:message-id:subject:to; bh=JSDFjXsnZRiaWovAzxYusFVR6eCat4M6yqszfcHXcVM=; b=kq3ooyiC61em2tKE+kM1aT0lqruV2bakhqCCgzus0MaresPRxY4Ui2aL9sCYUgi0TA QLtGPE0EDfCzb4ggwgmsQ16dqth1zLrF626KVFm1BIPVZmQOLAS32v0c2ad55oBdHRSG iGxTGkl45fwyDWYpZ9RdJ+qx+u0BTg/zhP8pUR/P5iW9qNy/eBvExI2Q2n/MPhxgbNoG ZaepKKA3Lvv0fuiad5LqDj552x/O0EiPLKTKlibMELXyQq16eyLjF8Nxkt/swPTE1AIA J/XUMDJVD//wcUDOOOo3ZIQh+tw9LPhcOcXO00UeBBvZCrnZwmEVVHMDjLpB4Z3K/IlG VXsA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=JSDFjXsnZRiaWovAzxYusFVR6eCat4M6yqszfcHXcVM=; b=cr2ScSEbuCEphZCREZ7WY9BmzvmKKl561bKHpeGvAIWfHoCoYsrUhLJ6hs8W0ZGVf2 5WD40G9J/szk161O0m5BJuTIcwn7Gyy5Hrlo+KfedPvS5et0utMGv/WOqTOOhOsauKWq n1Gm19CcvMhR5ei/GUojb4hsUoyoKIVYOUvftLU0B+M9prfQzFWMbymeKuKwrFzDMmj0 U7jXkPzk5xqdvje9nn2VQ8XfKfPxoDpd0X/jqUq87Q8VyTxsrsULU2lgjFbAYSMOlCug +EN524GWoNKEXwqp8vT/FVskFAx37BMkEZiGyCPFyMDP1c/xOwyDtLn3VkpNquGjCF0d 2d8g== X-Gm-Message-State: APjAAAX3jLpGoI8EBIO39ZDkv58G47ARauymilRxWOLGUq2OCGzONUvp ibAj98ao0yLE3g6hgdKaokmIapS6TcUkzNbCMjZ3E+Us X-Google-Smtp-Source: APXvYqxJ3ZyBKcW1BuyMEFiGH92O/cSn1ixxsgMllVrW3byXl+UgTZpP+SLgdJtpXJLlYxjtHbx+hWLY1hXjhfzcBJU= X-Received: by 2002:a17:906:229b:: with SMTP id p27mr63013483eja.266.1564009649816; Wed, 24 Jul 2019 16:07:29 -0700 (PDT) MIME-Version: 1.0 From: Tom Herbert Date: Wed, 24 Jul 2019 16:07:18 -0700 Message-ID: To: IETF IPPM WG Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: [ippm] Comments on draft-ietf-ippm-ioam-data-06 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Jul 2019 23:07:34 -0000 Hello, These are some comments on the draft that are motivated while working on the IOAM hackathon project. >From the draft: "Bit 7 When set indicates presence of variable length Opaque State Snapshot field." It seems like this would put a variable data field in the middle of fixed length fields of the bit vector. Also, it seems like the length could vary in each node. Both of these are harsh on a parser. If variable data is needed, I suggest that it should immediately follow the last flag field. The reserved field byte in the trace header might be used to hold the length of the variable data. >From the draft: "Bit 23 When set indicates presence of the Checksum Complement node data." I don't understand why this is needed. As I understand it, this is to offset a change in the UDP payload so that the UDP checksum remains correct. Since the node processing this already had to parse into UDP, why not just adjust the UDP checksum itself (like NAT does for instance)? Skipping bits when allocating in the bit vector is also problematic. In order to determine the offset of the Nth flag field, a node needs to know the lengths of the 0..N-1 fields, but the lengths of N+1 field and on are relevant. This is important for backwards compatibility as new flags are defined. For instance, when bit 12 is defined, a legacy implementation that needs to set the checksum complement at bit 23 would be unable to determine the offset of the checksum complement. Side note, per RFC7605: "It is important to recognize that any interpretation of port numbers -- except at the endpoints -- may be incorrect" This might be a nuisance if just reading UDP payload that is misinterpreted, but modifying misinterpreted UDP data, which could happen if IOAM data being set is encapsulated in UDP, would be systematic data corruption. Very bad! >From the draft: "Bit 1 When set indicates presence of ingress_if_id and egress_if_id (short format) in the node data." and "Bit 9 When set indicates presence of ingress_if_id and egress_if_id in wide format in the node data." Having separate fields for different sizes of the same information awkward and inefficient. Consider that both bit 1 and bit 9 might be simultaneously set and two different values could be reported. In GUE we allow flags to be group to allow different sizes for a field and that might be useful here. For example, for ingress and egress ID a two bit flag could be defined where 00 indicates field not present, 01 indicates 16 bit IDs, 10 indicates 32 bit IDs, 11 indicates 64 bit IDs. "IOAM-Trace-Type: A 24-bit identifier which specifies which data types are used in this node data list." With more than half already allocated it seems like the bits could be exhausted relatively quickly especially if IOAM is a rousing success and people apply their wildest imagination as to what data to collect. I suggest to reserve the last bit of the vector. This bit will indicate a field is present that itself contains another set of flags. And in turn the expansion field's last bit can indicate another expansion field and so on. Tom From nobody Thu Jul 25 04:18:27 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 287FE1200D7; Thu, 25 Jul 2019 04:18:26 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.997 X-Spam-Level: X-Spam-Status: No, score=-1.997 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id dk99-DDvYpnB; Thu, 25 Jul 2019 04:18:24 -0700 (PDT) Received: from mail-qt1-x836.google.com (mail-qt1-x836.google.com [IPv6:2607:f8b0:4864:20::836]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 451BA12002F; Thu, 25 Jul 2019 04:18:24 -0700 (PDT) Received: by mail-qt1-x836.google.com with SMTP id z4so48688442qtc.3; Thu, 25 Jul 2019 04:18:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=jtQv7IlBXaTM9yVdEnPlAa7rHoLCyzy8GBA3HVZ2cns=; b=CmqVpiUfxpNt1NcikrM7lzcA/miKehdVrcatWwvsoe3j/iS4eQgfu9QOkkioLsSN4b 8XgiDITvKfAjPOYks1MAjdRbl7eoSvZy1sFZcdPb3Qo8nc6dOjAyn/RaRfGhkHcwhiE/ cVEAEafP7RWUnsB4d6vUKQiPt3VvXy8Rn8SRZKzKnRnyKnuT2eS9+V7zl0GRGCPtC2An q3+vOhrTt9jEY5mb/rkx6giuHA6H/JzbdVBsJX2M2ZipFsXELjI6uzCGfghCaLuQA9yv b/H6Iupp83yF0+epue2CBgsrDT9A8dL/GFUrYTC0wLni3D45u3Q8RoVQhUc0iwqZr9hj DPFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=jtQv7IlBXaTM9yVdEnPlAa7rHoLCyzy8GBA3HVZ2cns=; b=R2u61+cVx/maPIxFRLEsbM2XHqjy6bFM7tG9sTHUfs1AAPtwDF22z0l8b+JUjXMeLW 1KYohfWVGTsh1lWa6cnSrD1qM++ohklHQjt3oJn6qzIpxeQ/OA/2XDQ5wk1DZboZc9gN ZA5WQQs2aKg4uo2nYvZf1hiXrn/CSEx7nfoUKASYG+X68mMzes5JkyE8Zog6Lva5bbAC KLJmTF6F0tNdP8cEx3OUJteID+D5JFdHVGV5lRYF1LMvKP38cQg6yDXhF6hSNWgA7Sbf 5kC8AwOwp34MT5xBUGc4zeCCrwyGmMZBU4dZHYywwr99+phbkWqwD6wbgWkFzY95C4Rw 2WmA== X-Gm-Message-State: APjAAAVVM3fMBceacsaiIpx4hU6YnoGDasQm3MvArRBKYkn4yFktePAu 39h7bcxbvidqC09y6LvAUZwIEP4v8CdLkfMiSOQ= X-Google-Smtp-Source: APXvYqy3rWj5aglpe1ZPoFM+9QRCQpYVEL1Z80hKv7DLAszajR7A967dCVHvK6oFpW2UYT6F1ju1eC7RvNMTT0J2KD0= X-Received: by 2002:a0c:c688:: with SMTP id d8mr63276438qvj.86.1564053503472; Thu, 25 Jul 2019 04:18:23 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Tal Mizrahi Date: Thu, 25 Jul 2019 14:18:07 +0300 Message-ID: To: "Ramesh Sivakolundu (sramesh)" Cc: IETF IPPM WG , IPPM Chairs Content-Type: multipart/alternative; boundary="0000000000007bf60b058e7f95fa" Archived-At: Subject: Re: [ippm] Side Meeting: IOAM Immediate Export Draft X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Jul 2019 11:18:26 -0000 --0000000000007bf60b058e7f95fa Content-Type: text/plain; charset="UTF-8" Hi Ramesh, If you can set up a Webex meeting that would be great. We will try to set it up, depending on the equipment in the room. Cheers, Tal. On Wed, Jul 24, 2019 at 11:27 PM Ramesh Sivakolundu (sramesh) < sramesh@cisco.com> wrote: > Any way to get a Webex for this meeting. I can set up the Webex, if you > can call in from the conference room. > > -Ramesh > > From: ippm on behalf of Tal Mizrahi < > tal.mizrahi.phd@gmail.com> > Date: Wednesday, July 24, 2019 at 4:23 PM > To: IETF IPPM WG > Cc: IPPM Chairs > Subject: [ippm] Side Meeting: IOAM Immediate Export Draft > > Hi, > > Time: Friday, 8:30-9:45. > Room: Coller > https://trac.ietf.org/trac/ietf/meeting/wiki/105sidemeetings > > Details: > We are going to hold a side meeting on Friday morning to discuss the > outline of the new draft that will describe the immediate export IOAM > option. > > The meeting is open to all, and specifically intended for authors and > contributors of the related IOAM drafts. > > Minutes will be sent to the list after the meeting. > > Cheers, > Tal. > > > > > --0000000000007bf60b058e7f95fa Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Ramesh,

If you can set up a Webex me= eting that=C2=A0would be great.
We will try to set it up, dependi= ng on the equipment in the room.

Cheers,
Tal.

On Wed, Jul 24, 2019 at 11:27 PM Ramesh Sivakolundu (sramesh) &l= t;sramesh@cisco.com> wrote:
=
Any way to get a Webex =C2=A0for this meeting. I can set up the Webex,= if you can call in from the conference room.

-Ramesh

From: ippm <ippm-bounces@ietf.org> on beh= alf of Tal Mizrahi <tal.mizrahi.phd@gmail.com>
Date: Wednesday, July 24, 2019 at 4= :23 PM
To: IETF IPPM WG <ippm@ietf.org>
Cc: IPPM Chairs <ippm-chairs@ietf.org>
Subject: [ippm] Side Meeting: IOAM = Immediate Export Draft

Hi,

Time: Friday, 8:30-9:45.
Room: Coller
Details:
We are going to hold a side meeting on Friday morning to discuss the o= utline of the new draft that will describe the immediate export IOAM option= .

The meeting is open to all, and specifically intended for authors and = contributors of the related IOAM drafts.

Minutes will be sent to the list after the meeting.

Cheers,
Tal.
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DQo8L2Rpdj4NCjwvYm9keT4NCjwvaHRtbD4NCg== --_000_1A04FA91BBE64A068364D5827D65ABF9plixercom_-- From nobody Thu Jul 25 08:26:17 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2F51F12024A for ; Thu, 25 Jul 2019 08:26:16 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.398 X-Spam-Level: X-Spam-Status: No, score=-1.398 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, HTTPS_HTTP_MISMATCH=0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, URI_NOVOWEL=0.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=barefootnetworks.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with 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<1A04FA91-BBE6-4A06-8364-D5827D65ABF9@plixer.com> In-Reply-To: <1A04FA91-BBE6-4A06-8364-D5827D65ABF9@plixer.com> From: Mickey Spiegel Date: Thu, 25 Jul 2019 08:25:27 -0700 Message-ID: To: Andrew Feren Cc: Mickey Spiegel , IETF IPPM WG Content-Type: multipart/alternative; boundary="00000000000097b53e058e830995" Archived-At: Subject: Re: [ippm] New Version Notification for draft-spiegel-ippm-ioam-rawexport-01.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Jul 2019 15:26:16 -0000 --00000000000097b53e058e830995 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Thu, Jul 25, 2019 at 6:34 AM Andrew Feren wrote: > Oh. I see what is going on. You want varlen and padding without section= ExportedOctets. > I=E2=80=99ll finish my coffee and the draft before saying anything else. > See slide 9 of the presentation at https://datatracker.ietf.org/meeting/105/materials/slides-105-opsawg-draft-= spiegel-ippm-ioam-rawexport-00 The primary point is the ability to add 0 to 3 octets of padding when using variable length, in order to preserve 4 byte alignment. With the existing ipHeaderPacketSection with variable length, no padding is allowed, so if the packet length is not a multiple of 4 octets the next information element or next record will not be 4 byte aligned. Mickey > -Andrew > > On Jul 25, 2019, at 9:12 AM, Andrew Feren < > andrew.feren=3D40plixer.com@dmarc.ietf.org> wrote: > > Hi Mikey, > > I=E2=80=99m coming in way late on this, but somehow this flew under my ra= dar until > I saw you present in Montreal. I haven=E2=80=99t given it a full read ye= t, but I > do have one question. Why do you need a new IE to include padding? Why > not use the existing ipHeaderPacketSection with the existing paddingOctet= s > IE? > > -Andrew > > On Oct 22, 2018, at 8:26 PM, Mickey Spiegel < > mspiegel=3D40barefootnetworks.com@dmarc.ietf.org> wrote: > > A new version of draft-spiegel-ippm-ioam-rawexport has been posted. > > The new version updates references to the IOAM encap drafts, and adds a > code point for IPv6. > > New IPFIX information elements ipHeaderPacketSectionWithPadding and > ethernetFrameSection are added. These address the issue of alignment with > variable length packet sections such as the existing ipHeaderPacketSectio= n > and dataLinkFrameSection. In particular they allow for the insertion of u= p > to 3 octets of padding in order to preserve alignment for subsequent > information elements, and for additional records in the same set. The > ethernetFrameSection also avoids the need to include the dataLinkFrameTyp= e > and dataLinkFrameSize information elements. > > Mickey > > ---------- Forwarded message --------- > From: > Date: Mon, Oct 22, 2018 at 4:33 PM > Subject: New Version Notification for > draft-spiegel-ippm-ioam-rawexport-01.txt > > A new version of I-D, draft-spiegel-ippm-ioam-rawexport-01.txt > has been successfully submitted by Mickey Spiegel and posted to the > IETF repository. > > Name: draft-spiegel-ippm-ioam-rawexport > Revision: 01 > Title: In-situ OAM raw data export with IPFIX > Document date: 2018-10-22 > Group: Individual Submission > Pages: 22 > URL: > https://www.ietf.org/internet-drafts/draft-spiegel-ippm-ioam-rawexport-01= .txt > > Status: > https://datatracker.ietf.org/doc/draft-spiegel-ippm-ioam-rawexport/ > > Htmlized: > https://tools.ietf.org/html/draft-spiegel-ippm-ioam-rawexport-01 > > Htmlized: > https://datatracker.ietf.org/doc/html/draft-spiegel-ippm-ioam-rawexport > > Diff: > https://www.ietf.org/rfcdiff?url2=3Ddraft-spiegel-ippm-ioam-rawexport-01 > > > Abstract: > In-situ Operations, Administration, and Maintenance (IOAM) records > operational and telemetry information in the packet while the packet > traverses a path between two points in the network. This document > discusses how In-situ Operations, Administration, and Maintenance > (IOAM) information can be exported in raw, i.e. uninterpreted, format > from network devices to systems, such as monitoring or analytics > systems using IPFIX. > > > > > Please note that it may take a couple of minutes from the time of > submission > until the htmlized version and diff are available at tools.ietf.org > > . > > The IETF Secretariat > > _______________________________________________ > ippm mailing list > ippm@ietf.org > > https://linkprotect.cudasvc.com/url?a=3Dhttps%3a%2f%2fwww.ietf.org%2fmail= man%2flistinfo%2fippm&c=3DE,1,mKywgKF0-bE_26OpmLt0e76Y9C8HGIUciWfxiIQ2HrD8X= 3MqWAeLdOyc-fUtYkZ3S_dYN8M6LVbwLmCm9GsHbB4JGuDTOAjQvMvnM200VAbMIvbxVcg,&typ= o=3D1 > > > This email message and any attachments are confidential. If you are not > the intended recipient, please immediately reply to the sender and delete > the message from your email system. Thank you. > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm > > > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm > --00000000000097b53e058e830995 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

On Thu, Jul 25, 2019 at 6:34 AM Andrew Fe= ren <andrew.feren=3D40pli= xer.com@dmarc.ietf.org> wrote:
Oh.=C2=A0 I see what is going on.=C2=A0 You want varlen and padding without= =C2=A0sectionExportedOctets. =C2= =A0I=E2=80=99ll finish my coffee and the draft before saying anything else.

The primary point is the ability to = add 0 to 3 octets of padding when using variable length, in order to preser= ve 4 byte alignment. With the existing ipHeaderPacketSection with variable = length, no padding is allowed, so if the packet length is not a multiple of= 4 octets the next information element or next record will not be 4 byte al= igned.

Mickey


-Andrew

On Jul 25, 2019, at 9:12 AM, Andrew Feren <andrew.feren=3D40pl= ixer.com@dmarc.ietf.org> wrote:

Hi Mikey,

I=E2=80=99m coming in way late on this, but somehow this flew under my= radar until I saw you present in Montreal.=C2=A0 I haven=E2=80=99t given i= t a full read yet, but I do have one question.=C2=A0 Why do you need a new = IE to include padding?=C2=A0 Why not use the existing=C2=A0ipHeaderPacketSection with the existing=C2=A0p= addingOctets=C2=A0IE?

-Andrew

On Oct 22, 2018, at 8:26 PM, Mickey Spiegel <mspiegel=3D= 40barefootnetworks.com@dmarc.ietf.org> wrote:

A new version of draft-spiegel-ippm-ioam-rawexport has bee= n posted.

The new version updates references to the IOAM encap drafts, and adds = a code point for IPv6.

New IPFIX information elements ipHeaderPacketSectionWithPadding and et= hernetFrameSection are added. These address the issue of alignment with var= iable length packet sections such as the existing ipHeaderPacketSection and= dataLinkFrameSection. In particular they allow for the insertion of up to 3 octets of padding in= order to preserve alignment for subsequent information elements, and for a= dditional records in the same set. The ethernetFrameSection also avoids the= need to include the dataLinkFrameType and dataLinkFrameSize information elements.

Mickey

---------- Forwarded message ---------
From: <internet-drafts@ietf.org>
Date: Mon, Oct 22, 2018 at 4:33 PM
Subject: New Version Notification for draft-spiegel-ippm-ioam-rawexport-01.= txt

A new version of I-D, draft-spiegel-ippm-ioam-rawexport-01.txt
has been successfully submitted by Mickey Spiegel and posted to the
IETF repository.

Name:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-spiegel-ippm-ioam-rawex= port
Revision:=C2=A0 =C2=A0 =C2=A0 =C2=A001
Title:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 In-situ OAM raw data export with I= PFIX
Document date:=C2=A0 2018-10-22
Group:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Individual Submission
Pages:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 22
URL:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 https://www.ietf.org/internet-drafts/draft-spiegel-ippm-ioam-rawexport-01.t= xt
Status:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0https://datatracker.ietf.org/do= c/draft-spiegel-ippm-ioam-rawexport/
Htmlized:=C2=A0 =C2=A0 =C2=A0 =C2=A0https://tools.ietf.org/html/draft-spiegel= -ippm-ioam-rawexport-01
Htmlized:=C2=A0 =C2=A0 =C2=A0 =C2=A0https://datatrac= ker.ietf.org/doc/html/draft-spiegel-ippm-ioam-rawexport
Diff:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0https://www= .ietf.org/rfcdiff?url2=3Ddraft-spiegel-ippm-ioam-rawexport-01

Abstract:
=C2=A0 =C2=A0In-situ Operations, Administration, and Maintenance (IOAM) rec= ords
=C2=A0 =C2=A0operational and telemetry information in the packet while the = packet
=C2=A0 =C2=A0traverses a path between two points in the network.=C2=A0 This= document
=C2=A0 =C2=A0discusses how In-situ Operations, Administration, and Maintena= nce
=C2=A0 =C2=A0(IOAM) information can be exported in raw, i.e. uninterpreted,= format
=C2=A0 =C2=A0from network devices to systems, such as monitoring or analyti= cs
=C2=A0 =C2=A0systems using IPFIX.




Please note that it may take a couple of minutes from the time of submissio= n
until the htmlized version and diff are available at tools.ietf.org.

The IETF Secretariat

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This email message and any= attachments are confidential. If you are not the intended recipient, pleas= e immediately reply to the sender and delete the message from your email sy= stem. Thank you.
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--00000000000097b53e058e830995-- From nobody Thu Jul 25 08:29:46 2019 Return-Path: X-Original-To: ippm@ietf.org Delivered-To: ippm@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id C48571201BB; Thu, 25 Jul 2019 08:29:31 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: ippm@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.99.1 Auto-Submitted: auto-generated Precedence: bulk Reply-To: ippm@ietf.org Message-ID: <156406857171.12474.11362217490785899339@ietfa.amsl.com> Date: Thu, 25 Jul 2019 08:29:31 -0700 Archived-At: Subject: [ippm] I-D Action: draft-ietf-ippm-stamp-option-tlv-00.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Jul 2019 15:29:32 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the IP Performance Measurement WG of the IETF. Title : Simple Two-way Active Measurement Protocol Optional Extensions Authors : Greg Mirsky Xiao Min Guo Jun Henrik Nydell Richard Foote Filename : draft-ietf-ippm-stamp-option-tlv-00.txt Pages : 16 Date : 2019-07-24 Abstract: This document describes optional extensions to Simple Two-way Active Measurement Protocol (STAMP) which enable measurement performance metrics in addition to ones supported by the STAMP base specification. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ippm-stamp-option-tlv/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-ippm-stamp-option-tlv-00 https://datatracker.ietf.org/doc/html/draft-ietf-ippm-stamp-option-tlv-00 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Thu Jul 25 10:16:10 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3FDE712013B; Thu, 25 Jul 2019 10:16:08 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id deF3D58dVo2R; Thu, 25 Jul 2019 10:16:06 -0700 (PDT) Received: from mail-lj1-x230.google.com (mail-lj1-x230.google.com [IPv6:2a00:1450:4864:20::230]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4B89112012B; Thu, 25 Jul 2019 10:16:06 -0700 (PDT) Received: by mail-lj1-x230.google.com with SMTP id v18so48698594ljh.6; Thu, 25 Jul 2019 10:16:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=VQ7JhDLsU1x2BTpZHvabZ9hdu7tThe4x9++Oq14OPrc=; b=sQE69e3xJ3T+yrvCaamJF0H94IJnsZNgEVGOazLrq9CXlZMOgrcUC7CpwZ/xEQuqD8 c7c/eWNTmTSj85wAmS1QfwclYdK0Q6W2tabkpzz/waqIAHbYK6u0kdDkEOHovsVsXRkB q+GllpWmUsOVp2VEtag+6XRBXhDdYpt2Rgwf4b9IuBMT+YWvz6+oOVc5b3jkhstsREiw RQMeDmmgNgY3y6C6ldw/fEVKtrXMgSOu0X3il2WKBnzWr6S4t8/3NM/qK+ws7tkLZv2H EMgQ6G3mJlKx5EqqtbsaH3WAwXrs0YtQT3/1rUuI7Zx5asPA7h6RTFH4eb+WWtVXKM20 Nk8w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=VQ7JhDLsU1x2BTpZHvabZ9hdu7tThe4x9++Oq14OPrc=; b=JiPd10dsyCcfLvbt3UVCzdnb1dEi+UABchTvwq+S7gglly1o8X3WaKDTIi43vRGY3u +K5iVbc8F060Yj2HFjiu/cq/Bh5fWB9PGXM9r50JaPheMrhYr+vueU8/UypLmhaEqF8n McVXmb1Me5t4HT/wwcThOzbYy0t7lo3sU3gei9zLoNgneqBejABUyjpTzAwkQoyszWe2 pICzjFYXtEB6Qa9bBvnFlB5ya5JlQc5vtZ0V4TWA48KAmkXS71RCqF/AGer0CVZAG7T2 BfuZAE0UO7Nn7ynKJgNodOnFgU5/LpyliY/Xg5T2pRlwJhSTkNw4dteWKQ634GXPyC46 q/CA== X-Gm-Message-State: APjAAAWLhy94kVZO8fg4M+gfJsZe+NN3khtE73SgIWKe+Kj981meMXfB jaoNsQfbP4KzL5/Zp5oVgzpPHKu7KynqNmT2ArxTq5a3 X-Google-Smtp-Source: APXvYqyZDKsPfpvyoD90bAAqN0pIpS8h5Jdcnu3B9/CxLiYFf+6uYkx03Zcst3c6Ik33e/K4Ykd2UJZblhts3ASIpJU= X-Received: by 2002:a2e:7614:: with SMTP id r20mr47548079ljc.42.1564074964091; Thu, 25 Jul 2019 10:16:04 -0700 (PDT) MIME-Version: 1.0 From: Greg Mirsky Date: Thu, 25 Jul 2019 13:15:52 -0400 Message-ID: To: IPPM Chairs , IETF IPPM WG Content-Type: multipart/alternative; boundary="000000000000a30647058e8494af" Archived-At: Subject: [ippm] Regarding draft-mizrahi-ippm-ioam-flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Jul 2019 17:16:09 -0000 --000000000000a30647058e8494af Content-Type: text/plain; charset="UTF-8" Dear Chairs, et al., I appreciate that editors of draft-ietf-ippm-ioam-data followed on the decision of the WG reached at the meeting in Prague to extract material not directly related to the definition of iOAM data elements from the document. The new draft was presented earlier this week and generated many comments. I feel that it would be right to discuss the draft and its relevance to the charter of the IPPM WG before starting WG adoption poll. Regards, Greg --000000000000a30647058e8494af Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Dear Chairs, et al.,
I appreciate that editors of draf= t-ietf-ippm-ioam-data followed on the decision of the WG reached at the mee= ting in Prague to extract material not directly related to the definition o= f iOAM data elements from the document. The new draft was presented earlier= this week and generated many comments. I feel that it would be right to di= scuss the draft and its relevance to the charter of the IPPM WG before star= ting WG adoption poll.

Regards,
Greg
--000000000000a30647058e8494af-- From nobody Thu Jul 25 11:07:27 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 46730120183; Thu, 25 Jul 2019 11:07:26 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.2 X-Spam-Level: X-Spam-Status: No, score=-4.2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LCxY0iw0UbB9; Thu, 25 Jul 2019 11:07:24 -0700 (PDT) Received: from smtp-sh.infomaniak.ch (smtp-sh.infomaniak.ch [128.65.195.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E348312018F; Thu, 25 Jul 2019 11:07:23 -0700 (PDT) Received: from smtp7.infomaniak.ch (smtp7.infomaniak.ch [83.166.132.30]) by smtp-sh.infomaniak.ch (8.14.5/8.14.5) with ESMTP id x6PI7K8n000619 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 25 Jul 2019 20:07:20 +0200 Received: from [IPv6:2001:67c:370:128:e8e7:5f0d:e862:c6d2] ([IPv6:2001:67c:370:128:e8e7:5f0d:e862:c6d2]) (authenticated bits=0) by smtp7.infomaniak.ch (8.14.5/8.14.5) with ESMTP id x6PI7IuE016720 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 25 Jul 2019 20:07:19 +0200 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\)) From: "Brian Trammell (IETF)" In-Reply-To: Date: Thu, 25 Jul 2019 14:07:18 -0400 Cc: IPPM Chairs , IETF IPPM WG Content-Transfer-Encoding: quoted-printable Message-Id: References: To: Greg Mirsky X-Mailer: Apple Mail (2.3445.104.11) X-Antivirus: Dr.Web (R) for Unix mail servers drweb plugin ver.6.0.2.8 X-Antivirus-Code: 0x100000 Archived-At: Subject: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Jul 2019 18:07:26 -0000 hi Greg, Thanks for the feedback; absolutely, we can do this the normal way. = Authors: let's do a normal two-week adoption call for this document = before publishing the update. This adoption call starts now. IPPM, please respond to this message with an indication to the mailing = list of your support for adopting draft-mizrahi-ippm-ioam-flags as a = working group document, in partial fulfillment of our charter milestone = "submit a Standards Track draft on inband OAM based measurement = methodologies to the IESG" (obviously, depending on how many documents = we end up sending to the IESG, we may have to change the plurality of = this milestone). If you do not support this, please send a message to = the list explaining why. Thanks, cheers, Brian (as IPPM co-chair) > On 25 Jul 2019, at 13:15, Greg Mirsky wrote: >=20 > Dear Chairs, et al., > I appreciate that editors of draft-ietf-ippm-ioam-data followed on the = decision of the WG reached at the meeting in Prague to extract material = not directly related to the definition of iOAM data elements from the = document. The new draft was presented earlier this week and generated = many comments. I feel that it would be right to discuss the draft and = its relevance to the charter of the IPPM WG before starting WG adoption = poll. >=20 > Regards, > Greg From nobody Thu Jul 25 11:10:29 2019 Return-Path: X-Original-To: ippm@ietf.org Delivered-To: ippm@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id D623812019D; Thu, 25 Jul 2019 11:10:27 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: IETF Secretariat To: , , X-Test-IDTracker: no X-IETF-IDTracker: 6.99.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <156407822787.12534.16530921052325950732.idtracker@ietfa.amsl.com> Date: Thu, 25 Jul 2019 11:10:27 -0700 Archived-At: Subject: [ippm] The IPPM WG has placed draft-mizrahi-ippm-ioam-flags in state "Call For Adoption By WG Issued" X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Jul 2019 18:10:28 -0000 The IPPM WG has placed draft-mizrahi-ippm-ioam-flags in state Call For Adoption By WG Issued (entered by Brian Trammell) The document is available at https://datatracker.ietf.org/doc/draft-mizrahi-ippm-ioam-flags/ From nobody Thu Jul 25 11:45:33 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id DD8AD12021B; 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Thu, 25 Jul 2019 18:45:13 +0000 From: "Frank Brockners (fbrockne)" To: "Brian Trammell (IETF)" , Greg Mirsky CC: IPPM Chairs , IETF IPPM WG Thread-Topic: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags Thread-Index: AQHVQxPfcyCqkf67BUCt2X7oyo6/OKbbq+fQ Date: Thu, 25 Jul 2019 18:45:13 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=fbrockne@cisco.com; x-originating-ip: [2001:420:c0c4:1001::1ae] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 11e5426c-1793-4eea-4828-08d711303ac8 x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020); SRVR:BYAPR11MB3813; x-ms-traffictypediagnostic: BYAPR11MB3813: x-ms-exchange-purlcount: 1 x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:10000; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 11e5426c-1793-4eea-4828-08d711303ac8 X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Jul 2019 18:45:13.6062 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: fbrockne@cisco.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR11MB3813 X-OriginatorOrg: cisco.com X-Outbound-SMTP-Client: 173.37.102.21, xch-rcd-011.cisco.com X-Outbound-Node: rcdn-core-10.cisco.com Archived-At: Subject: Re: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Jul 2019 18:45:32 -0000 Support (as co-author). Frank > -----Original Message----- > From: ippm On Behalf Of Brian Trammell (IETF) > Sent: Donnerstag, 25. Juli 2019 14:07 > To: Greg Mirsky > Cc: IPPM Chairs ; IETF IPPM WG > Subject: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regar= ding > draft-mizrahi-ippm-ioam-flags >=20 > hi Greg, >=20 > Thanks for the feedback; absolutely, we can do this the normal way. Autho= rs: > let's do a normal two-week adoption call for this document before publish= ing > the update. >=20 > This adoption call starts now. >=20 > IPPM, please respond to this message with an indication to the mailing li= st of > your support for adopting draft-mizrahi-ippm-ioam-flags as a working grou= p > document, in partial fulfillment of our charter milestone "submit a Stand= ards > Track draft on inband OAM based measurement methodologies to the IESG" > (obviously, depending on how many documents we end up sending to the IESG= , > we may have to change the plurality of this milestone). If you do not sup= port > this, please send a message to the list explaining why. >=20 > Thanks, cheers, >=20 > Brian (as IPPM co-chair) >=20 >=20 > > On 25 Jul 2019, at 13:15, Greg Mirsky wrote: > > > > Dear Chairs, et al., > > I appreciate that editors of draft-ietf-ippm-ioam-data followed on the = decision > of the WG reached at the meeting in Prague to extract material not direct= ly > related to the definition of iOAM data elements from the document. The ne= w > draft was presented earlier this week and generated many comments. I feel= that > it would be right to discuss the draft and its relevance to the charter o= f the IPPM > WG before starting WG adoption poll. > > > > Regards, > > Greg >=20 > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm From nobody Thu Jul 25 13:09:26 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 803801201F2 for ; Thu, 25 Jul 2019 13:09:24 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, MIME_QP_LONG_LINE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=broadcom.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id DeNl3h9-GNeI for ; Thu, 25 Jul 2019 13:09:22 -0700 (PDT) Received: from mail-pf1-x42f.google.com (mail-pf1-x42f.google.com [IPv6:2607:f8b0:4864:20::42f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D1D821201EF for ; Thu, 25 Jul 2019 13:09:21 -0700 (PDT) Received: by mail-pf1-x42f.google.com with SMTP id t16so23258513pfe.11 for ; Thu, 25 Jul 2019 13:09:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=user-agent:date:subject:from:to:cc:message-id:thread-topic :references:in-reply-to:mime-version:content-transfer-encoding; bh=Ce9aNwxZ+oAv7du2IvEonyZdRSo5HNeNwW9PDE7UL5Y=; b=ENobd+r2vLGb7juNMqPsn+W6423H/wqj/HYuuaP5ihtlDhGt4igMXxx6yxg/d9imZf VsAvX6uCMpCDLoE+1s5sT5QlwkMITx5xRQczEmE2d53egjzEN1xGgoUY3yJnjw3Oaf6D 5P+SGNUVKFwrwRDaYX7Dyk0BCN7bXa36XKEGk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:user-agent:date:subject:from:to:cc:message-id :thread-topic:references:in-reply-to:mime-version :content-transfer-encoding; bh=Ce9aNwxZ+oAv7du2IvEonyZdRSo5HNeNwW9PDE7UL5Y=; b=AdgIVsviJ+VGJqTl9m2xmXekSSWLdR6ndZ6yW8UOmOYIuHmK32kTx/0spyC0LOCpck oxVmlcNSaMl4UaQvMfh8kaKp0UfQuzboiE4sRfFZVu/fctar544RlPrOdH8Jqm64dvv6 J/vdX2Z69DqQGm4AeLVeFV6Gq10sFwqnXt2C598CCf2d/hstTYe+s2YjkL8vJG/9CGb+ to9fzQ9uw8iYWOa1bkYVqb/1BcGOFflhWMZLM4+dNULqoDadiaRbCrzwZBr5RUB/n+YZ Q7cxI3Z7dpw8VtrOwIWfAbVauNdBQvnZR3PO6EMudYPvlfWNSjvSb2A9Za2svT/isZoI 4peg== X-Gm-Message-State: APjAAAXnbYHnU/psMPC5a5FG7hozyOWo2bTjzYzq5CpZ9gp+CAFmqzI0 f75zxSs5dsCqueWy6u7bOnxMLw== X-Google-Smtp-Source: APXvYqz9TH23hF9yGfxbgfxeZkJ8m9VG2FyffgEHatehfmiPKOp6iSU6XWyeyFzbhNulcdxfQIS50g== X-Received: by 2002:a17:90a:898e:: with SMTP id v14mr94333733pjn.119.1564085361152; Thu, 25 Jul 2019 13:09:21 -0700 (PDT) Received: from [10.58.68.119] ([192.19.222.250]) by smtp.gmail.com with ESMTPSA id s7sm43636938pjn.28.2019.07.25.13.09.18 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 25 Jul 2019 13:09:20 -0700 (PDT) User-Agent: Microsoft-MacOutlook/10.1b.0.190715 Date: Thu, 25 Jul 2019 13:09:16 -0700 From: Jai Kumar To: "Brian Trammell (IETF)" , Greg Mirsky CC: IPPM Chairs , IETF IPPM WG Message-ID: Thread-Topic: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags References: In-Reply-To: Mime-version: 1.0 Content-type: text/plain; charset="UTF-8" Content-transfer-encoding: quoted-printable Archived-At: Subject: Re: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Jul 2019 20:09:25 -0000 Hello Chairs, What is the procedure for requesting edits. Can it happen after the adoption call or requests need to be made before. -Jai =EF=BB=BFOn 7/25/19, 11:07 AM, "ippm on behalf of Brian Trammell (IETF)" wrote: hi Greg, =20 Thanks for the feedback; absolutely, we can do this the normal way. Aut= hors: let's do a normal two-week adoption call for this document before publ= ishing the update. =20 This adoption call starts now. =20 IPPM, please respond to this message with an indication to the mailing = list of your support for adopting draft-mizrahi-ippm-ioam-flags as a working= group document, in partial fulfillment of our charter milestone "submit a S= tandards Track draft on inband OAM based measurement methodologies to the IE= SG" (obviously, depending on how many documents we end up sending to the IES= G, we may have to change the plurality of this milestone). If you do not sup= port this, please send a message to the list explaining why. =20 Thanks, cheers, =20 Brian (as IPPM co-chair) =20 =20 > On 25 Jul 2019, at 13:15, Greg Mirsky wrote: >=20 > Dear Chairs, et al., > I appreciate that editors of draft-ietf-ippm-ioam-data followed on th= e decision of the WG reached at the meeting in Prague to extract material no= t directly related to the definition of iOAM data elements from the document= . The new draft was presented earlier this week and generated many comments.= I feel that it would be right to discuss the draft and its relevance to the= charter of the IPPM WG before starting WG adoption poll. >=20 > Regards, > Greg =20 _______________________________________________ ippm mailing list ippm@ietf.org https://www.ietf.org/mailman/listinfo/ippm =20 From nobody Fri Jul 26 05:29:15 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7E32A12029A; Fri, 26 Jul 2019 05:29:14 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.997 X-Spam-Level: X-Spam-Status: No, score=-1.997 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id m93ceOe6oDtF; Fri, 26 Jul 2019 05:29:12 -0700 (PDT) Received: from mail-qk1-x72f.google.com (mail-qk1-x72f.google.com [IPv6:2607:f8b0:4864:20::72f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9182A120271; Fri, 26 Jul 2019 05:29:12 -0700 (PDT) Received: by mail-qk1-x72f.google.com with SMTP id s22so38893098qkj.12; Fri, 26 Jul 2019 05:29:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=mL+O5+ST+w0pegwOnZHKoHz3GbcDIjW5xrOJsZvTXRk=; b=bN/5zr/sU/9eAr8sE0bhZpOyZ7Xjfg/KeXcd8ZGGceXRcnXXMomi/5+A0Uzv9ZXqMX 7xZj0u9wcfWrXTU2qfagMKz/5IyukTU+h7GD3IZEZoBgi4PqztfjBr79NQmGM5LgKTg1 5ZmgjCXv84cimSSfso11T4ZQ4nPWxrmqO6uDAKRB3c1oZ7wv6JzzJplmxjQKpiDiVXJ5 mEaF6b1xZuen7AgRdwf49Qvv/ECD/+CUc5Faytthb5kwRdJBQYSXrK57G/yE1di+V+HM CiW9ATnOay3kRf2F5HWrrkPVqavPoI712mTfyB+VN7ozREXRWqyOEW7v0PSUBpTJrQ45 zIGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=mL+O5+ST+w0pegwOnZHKoHz3GbcDIjW5xrOJsZvTXRk=; b=EIcMmjnNc0E78lbPz17sJJJWwXDHFZ5r6kDcPTnewthkRgVPG6E9/ZAasudqz0D+yl gGngYakEHa2JgVIQtR77kQXse1n1LQNY0GRF7V9HctnfrCR0MG6HUPJdwuxTyfBMhW24 1E6/V+E4yAmvKzDulZ0causBsWaHZP1kW/7Qa1k5vhFubvetLjJ257rsf8WLMaYaayyx n7/1xJChkGfK8O4CEu0McdnalhoAXdpFzNs3y/lsaHQoKJwEaxOa6lNxmWY7Re0bUkLY Bt52vo4tCIXgDcPYZsb25+HuC1hC5WuMvh5KSn3rqPXC4j+SKr9tugGCWkVL0qm4AL3H oCOQ== X-Gm-Message-State: APjAAAXG0zCYdIrLjQnfKTbR8jW2V1vG/c+MhE0DMMGHjX3djKHjIezj 3CZ1Ukem5J8cJwD8Zn4R6jZH5n1lPOavwjlQS9FlAwzKsT8= X-Google-Smtp-Source: APXvYqyOfwqUvNjkBYNEXM/aUDQhFwnqCbS3WSNgblXMYwAOqzHmP+rq/5Yj2q2dC2k+b51MICxwdScCuoW/X7l/HJs= X-Received: by 2002:a37:9144:: with SMTP id t65mr65264389qkd.367.1564144151490; Fri, 26 Jul 2019 05:29:11 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Tal Mizrahi Date: Fri, 26 Jul 2019 15:28:54 +0300 Message-ID: To: IETF IPPM WG Cc: IPPM Chairs Content-Type: multipart/alternative; boundary="00000000000086f3b5058e94b079" Archived-At: Subject: Re: [ippm] Side Meeting: IOAM Immediate Export Draft X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 Jul 2019 12:29:15 -0000 --00000000000086f3b5058e94b079 Content-Type: text/plain; charset="UTF-8" We are meeting in Notre Dame. Apologies for the late change, but the previous room was double booked. Cheers, Tal. On Wed, Jul 24, 2019 at 11:23 PM Tal Mizrahi wrote: > Hi, > > Time: Friday, 8:30-9:45. > Room: Coller > https://trac.ietf.org/trac/ietf/meeting/wiki/105sidemeetings > > Details: > We are going to hold a side meeting on Friday morning to discuss the > outline of the new draft that will describe the immediate export IOAM > option. > > The meeting is open to all, and specifically intended for authors and > contributors of the related IOAM drafts. > > Minutes will be sent to the list after the meeting. > > Cheers, > Tal. > > > > > --00000000000086f3b5058e94b079 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
We are meeting in=C2=A0Notre Dame.

Apol= ogies for the late change, but the previous room was double booked.

Cheers,
Tal.

On Wed, Jul 24, 2019 at 11:23= PM Tal Mizrahi <tal.mizrah= i.phd@gmail.com> wrote:
Hi,

Time: Friday, 8:30-9= :45.
Room: Coller

Details:
We are going to hold a side meeting on Friday m= orning to discuss the outline of the new draft that will describe the immed= iate export IOAM option.

The meeting is open t= o all, and specifically intended for authors and contributors of the relate= d IOAM drafts.

Minutes will be sent to the list af= ter the meeting.

Cheers,
Tal.
<= div>



--00000000000086f3b5058e94b079-- From nobody Fri Jul 26 07:12:42 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 11F881200F1; Fri, 26 Jul 2019 07:12:41 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.001 X-Spam-Level: X-Spam-Status: No, score=-2.001 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=apple.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id KNjjbBwasyra; Fri, 26 Jul 2019 07:12:39 -0700 (PDT) Received: from nwk-aaemail-lapp01.apple.com (nwk-aaemail-lapp01.apple.com [17.151.62.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 26C471200EC; Fri, 26 Jul 2019 07:12:39 -0700 (PDT) Received: from pps.filterd (nwk-aaemail-lapp01.apple.com [127.0.0.1]) by nwk-aaemail-lapp01.apple.com (8.16.0.27/8.16.0.27) with SMTP id x6QEBSSW006198; Fri, 26 Jul 2019 07:12:35 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=apple.com; h=sender : content-type : mime-version : subject : from : in-reply-to : date : cc : content-transfer-encoding : message-id : references : to; s=20180706; bh=0SRgPc0SPm1y9Pm41dB3pHwtaGGIs6uVypmTGmvRLbE=; b=lUYQjY+betqYm00JXqwD99fckvzPk8CmMftT6k+7qBFSJcwKYZm2BiFOBUgkZSnr7Dv5 aLNPCNoc/5g+1QbV5OyYyIjNk/jczhayRolhpNGi325N0jaJuoDcW74HzP9PskxlSHv/ y8IR8Ww+81B5SjjDQIdAyfSStOhKhjY6nAabG+lqo76dTpam9OZ1kN4C6uwbsT7hebff v5EXrTyTGG8yktOupRe1T52Wv3o4k9AWxlhL0Whx8+zkX7/t97ybJm1EvCO9TGvXnh+p IUaQ4xbri6PFQFqdJXcAkCZBjrI5FbcPIRY5mUYcbBnTJgjruHHoy7K0M4SSp302MuZ9 yw== Received: from ma1-mtap-s01.corp.apple.com (ma1-mtap-s01.corp.apple.com [17.40.76.5]) by nwk-aaemail-lapp01.apple.com with ESMTP id 2tymes9dk2-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Fri, 26 Jul 2019 07:12:35 -0700 Received: from nwk-mmpp-sz10.apple.com (nwk-mmpp-sz10.apple.com [17.128.115.122]) by ma1-mtap-s01.corp.apple.com (Oracle Communications Messaging Server 8.0.2.4.20190507 64bit (built May 7 2019)) with ESMTPS id <0PV90046964SQT00@ma1-mtap-s01.corp.apple.com>; Fri, 26 Jul 2019 07:12:32 -0700 (PDT) Received: from process_milters-daemon.nwk-mmpp-sz10.apple.com by nwk-mmpp-sz10.apple.com (Oracle Communications Messaging Server 8.0.2.4.20190507 64bit (built May 7 2019)) id <0PV9009005WZGC00@nwk-mmpp-sz10.apple.com>; Fri, 26 Jul 2019 07:12:31 -0700 (PDT) X-Va-A: X-Va-T-CD: 3de5f1eb6222ee3271b312a383cb6138 X-Va-E-CD: bb48c2d760d9d5acb5a59acf663c18ea X-Va-R-CD: c7fc89ff8e4d841ba012a74c99d2f8d0 X-Va-CD: 0 X-Va-ID: d6d23363-8042-4e6d-aa45-7bc6383696fa X-V-A: X-V-T-CD: 3de5f1eb6222ee3271b312a383cb6138 X-V-E-CD: bb48c2d760d9d5acb5a59acf663c18ea X-V-R-CD: c7fc89ff8e4d841ba012a74c99d2f8d0 X-V-CD: 0 X-V-ID: f8a99303-8713-48f4-bfc4-24b89639c794 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-07-26_10:,, signatures=0 Received: from [17.235.29.186] by nwk-mmpp-sz10.apple.com (Oracle Communications Messaging Server 8.0.2.4.20190507 64bit (built May 7 2019)) with ESMTPSA id <0PV900B8T63IOU20@nwk-mmpp-sz10.apple.com>; Fri, 26 Jul 2019 07:11:44 -0700 (PDT) Sender: tpauly@apple.com Content-type: text/plain; charset=utf-8 MIME-version: 1.0 (Mac OS X Mail 12.4 \(3445.104.2\)) From: Tommy Pauly In-reply-to: Date: Fri, 26 Jul 2019 10:11:37 -0400 Cc: "Brian Trammell (IETF)" , Greg Mirsky , IPPM Chairs , IETF IPPM WG Content-transfer-encoding: quoted-printable Message-id: <0C653836-3404-4546-A8F4-CE14FF9B74F2@apple.com> References: To: Jai Kumar X-Mailer: Apple Mail (2.3445.104.2) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-26_10:, , signatures=0 Archived-At: Subject: Re: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 Jul 2019 14:12:41 -0000 Any document adopted by the working group can and will receive edits = from the group as a whole. Feel free to send reviews now, but the = primary question at hand here is if IPPM as a group believes that the = mechanism that this document aims to add is something the group should = work on, and that this document is a good starting place for the work. Thanks! Tommy > On Jul 25, 2019, at 4:09 PM, Jai Kumar wrote: >=20 > Hello Chairs, >=20 > What is the procedure for requesting edits. >=20 > Can it happen after the adoption call or requests need to be made = before. >=20 > -Jai >=20 > =EF=BB=BFOn 7/25/19, 11:07 AM, "ippm on behalf of Brian Trammell = (IETF)" wrote: >=20 > hi Greg, >=20 > Thanks for the feedback; absolutely, we can do this the normal way. = Authors: let's do a normal two-week adoption call for this document = before publishing the update. >=20 > This adoption call starts now. >=20 > IPPM, please respond to this message with an indication to the = mailing list of your support for adopting draft-mizrahi-ippm-ioam-flags = as a working group document, in partial fulfillment of our charter = milestone "submit a Standards Track draft on inband OAM based = measurement methodologies to the IESG" (obviously, depending on how many = documents we end up sending to the IESG, we may have to change the = plurality of this milestone). If you do not support this, please send a = message to the list explaining why. >=20 > Thanks, cheers, >=20 > Brian (as IPPM co-chair) >=20 >=20 >> On 25 Jul 2019, at 13:15, Greg Mirsky wrote: >>=20 >> Dear Chairs, et al., >> I appreciate that editors of draft-ietf-ippm-ioam-data followed on = the decision of the WG reached at the meeting in Prague to extract = material not directly related to the definition of iOAM data elements = from the document. The new draft was presented earlier this week and = generated many comments. I feel that it would be right to discuss the = draft and its relevance to the charter of the IPPM WG before starting WG = adoption poll. >>=20 >> Regards, >> Greg >=20 > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm >=20 >=20 >=20 From nobody Fri Jul 26 07:17:44 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4DA5712007A; Fri, 26 Jul 2019 07:17:35 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2 X-Spam-Level: X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=mellanox.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id PknWxri8m35f; 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DIR:OUT; SFP:1101; SCL:1; SRVR:AM6PR05MB5126; H:AM6PR05MB4118.eurprd05.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: ekxCzUDJNinfjXrjlLipq/3djfkrNu3pzh+gZ2IYv/9zKDFvH2EkfDuwRnIg/4fu/59XRHW9VBHoQhHDXNtIpP7m6cy6zGSO4T43tw9KVNU/QfGQJGOigpxkM7hXOd8PC8szqNlAu99E7EehgHWBzJtNcCjJSdKmdlzE+bCFE8CuGajgHc6/oqg5dCMPN7AIbdvaD7iX4OGMHS/x6WoMnVzAZfT9JnB38jxSCwl9mHrOiHnx0CIhZX2JBWz5sE3VYHZB3gACuQaWM9c6td+dGzAE+dRwcbGjRaTQlaT12ByZKakFd7I1YfYK4c2pc147x2mX3n8e/bfXoY+EKTD9aDDvldyeFq0ZC/bCHFV3bkdJrVrYWoYaoSzSQkhH0y57g3yPfs4scvli3oGLT3TxdRF0DztAnLCUKnasUi7NCSs= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: ac0bb0f7-d30f-4577-f401-08d711d3fecc X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Jul 2019 14:17:30.6021 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: gbarak@mellanox.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR05MB5126 Archived-At: Subject: Re: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 Jul 2019 14:17:43 -0000 Support (as co-author) Thanks, Barak -----Original Message----- From: ippm On Behalf Of Frank Brockners (fbrockne) Sent: Thursday, July 25, 2019 2:45 PM To: Brian Trammell (IETF) ; Greg Mirsky Cc: IPPM Chairs ; IETF IPPM WG Subject: Re: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Reg= arding draft-mizrahi-ippm-ioam-flags Support (as co-author). Frank > -----Original Message----- > From: ippm On Behalf Of Brian Trammell (IETF) > Sent: Donnerstag, 25. Juli 2019 14:07 > To: Greg Mirsky > Cc: IPPM Chairs ; IETF IPPM WG > Subject: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re:=20 > Regarding draft-mizrahi-ippm-ioam-flags >=20 > hi Greg, >=20 > Thanks for the feedback; absolutely, we can do this the normal way. Autho= rs: > let's do a normal two-week adoption call for this document before=20 > publishing the update. >=20 > This adoption call starts now. >=20 > IPPM, please respond to this message with an indication to the mailing=20 > list of your support for adopting draft-mizrahi-ippm-ioam-flags as a=20 > working group document, in partial fulfillment of our charter=20 > milestone "submit a Standards Track draft on inband OAM based measurement= methodologies to the IESG" > (obviously, depending on how many documents we end up sending to the=20 > IESG, we may have to change the plurality of this milestone). If you=20 > do not support this, please send a message to the list explaining why. >=20 > Thanks, cheers, >=20 > Brian (as IPPM co-chair) >=20 >=20 > > On 25 Jul 2019, at 13:15, Greg Mirsky wrote: > > > > Dear Chairs, et al., > > I appreciate that editors of draft-ietf-ippm-ioam-data followed on=20 > > the decision > of the WG reached at the meeting in Prague to extract material not=20 > directly related to the definition of iOAM data elements from the=20 > document. The new draft was presented earlier this week and generated=20 > many comments. I feel that it would be right to discuss the draft and=20 > its relevance to the charter of the IPPM WG before starting WG adoption p= oll. > > > > Regards, > > Greg >=20 > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://eur03.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fwww. > ietf.org%2Fmailman%2Flistinfo%2Fippm&data=3D02%7C01%7Cgbarak%40mella > nox.com%7Ce9e9ff4937cf4eb44b2e08d711304c20%7Ca652971c7d2e4d9ba6a4d1492 > 56f461b%7C0%7C0%7C636996771443958186&sdata=3DBSaO76OoQZ7zW9Ltu5X4gB0 > QSdVTspF9wxtLwO8gd2w%3D&reserved=3D0 _______________________________________________ ippm mailing list ippm@ietf.org https://eur03.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fwww.iet= f.org%2Fmailman%2Flistinfo%2Fippm&data=3D02%7C01%7Cgbarak%40mellanox.co= m%7Ce9e9ff4937cf4eb44b2e08d711304c20%7Ca652971c7d2e4d9ba6a4d149256f461b%7C0= %7C0%7C636996771443958186&sdata=3DBSaO76OoQZ7zW9Ltu5X4gB0QSdVTspF9wxtLw= O8gd2w%3D&reserved=3D0 From nobody Fri Jul 26 08:05:17 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id DD0B9120048 for ; Fri, 26 Jul 2019 08:05:15 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, MIME_QP_LONG_LINE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=broadcom.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0SX0-p4ryD08 for ; Fri, 26 Jul 2019 08:05:13 -0700 (PDT) Received: from mail-pf1-x436.google.com (mail-pf1-x436.google.com [IPv6:2607:f8b0:4864:20::436]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 16561120041 for ; Fri, 26 Jul 2019 08:05:13 -0700 (PDT) Received: by mail-pf1-x436.google.com with SMTP id g2so24663631pfq.0 for ; Fri, 26 Jul 2019 08:05:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=1BYgp6oobyYh31+y70zCwt1rpha2ur2GJbeIIty3t9A=; b=Q68bFnQU3PMufhGsPja0oMwvngNznkJ4ODaex+DpFnCJTqNQ+hdgkjoJeqp10v/KRw 0KJ9D4lB/PB5peBUxEwfbiOvZv6KiKWhCHCWvN35zntcf5Vtz2lpLkLh/EFb9juFAEsr 41vj+e1e6plSRGkE0HOxdRF+pqKZ2FXTa3fSA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=1BYgp6oobyYh31+y70zCwt1rpha2ur2GJbeIIty3t9A=; b=TZ5V3wG1q+XnbUYg+woKqDFuTuHBxpePZ/sw0wh5tP5T6GluM1Vp7cwbS6FKfI1ExE uu7tSmf56LTIrtyB7RDmNZZiMucNMvxu2XFtSx1olkG+dlpmgsmBWnaOekEXWlrXxNqC 7AR5Jx9ZVmxrH2TQwGfhXA30nz8/F85DsxOJmhXL0NIkyP8hqQGJcOJSnpj6VlhEpnBL DN4Gk+Bi1twobA4kOgYmBGFVmxtupzXnSPbVxHHZAnX1BeaWo5YkohFb0bUJTdthBJ01 QD4SzCKWFI1Jfw+V+Ka5RXr3CsPl/7tv0Dfh2gsMs9xHmiWLIAIggp0wwHeCyqVfs1/u oNRw== X-Gm-Message-State: APjAAAWgNyVy6bdd4uzS0wbXdBgtaFs9ceSLvmxdiEIFIU2zNOrt3sz4 en7dKW3CK3xD2sN3FuGl0IkQZg== X-Google-Smtp-Source: APXvYqzN7nm76u/vz2ikeEZpsDm/wO6vr2pB2PxKmFdlxDarRgjoYecBE4BTCzRo/HyzPkzYBytmMA== X-Received: by 2002:a17:90a:9604:: with SMTP id v4mr96531678pjo.66.1564153512579; Fri, 26 Jul 2019 08:05:12 -0700 (PDT) Received: from ?IPv6:2601:641:c080:5dc3:962:2a16:ca0b:f987? ([2601:641:c080:5dc3:962:2a16:ca0b:f987]) by smtp.gmail.com with ESMTPSA id q19sm58194749pfc.62.2019.07.26.08.05.11 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 26 Jul 2019 08:05:12 -0700 (PDT) Content-Type: multipart/alternative; boundary=Apple-Mail-A47DAE32-498B-474A-8CBA-FEB93F40C19E Mime-Version: 1.0 (1.0) From: Jai Kumar X-Mailer: iPhone Mail (16C104) In-Reply-To: Date: Fri, 26 Jul 2019 08:05:11 -0700 Cc: IETF IPPM WG , IPPM Chairs Content-Transfer-Encoding: 7bit Message-Id: <8D2E11E6-74F9-4ACA-A3A3-33D5A485043B@broadcom.com> References: To: Tal Mizrahi Archived-At: Subject: Re: [ippm] Side Meeting: IOAM Immediate Export Draft X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 Jul 2019 15:05:16 -0000 --Apple-Mail-A47DAE32-498B-474A-8CBA-FEB93F40C19E Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Tal, Sorry, have to miss this meeting as I am back in San Jose and it was way too= early in the morning for me. Please send the meeting minutes and I will provide my comments there. -Jai > On Jul 26, 2019, at 5:28 AM, Tal Mizrahi wrote= : >=20 > We are meeting in Notre Dame. >=20 > Apologies for the late change, but the previous room was double booked. >=20 > Cheers, > Tal. >=20 >> On Wed, Jul 24, 2019 at 11:23 PM Tal Mizrahi w= rote: >> Hi, >>=20 >> Time: Friday, 8:30-9:45. >> Room: Coller >> https://trac.ietf.org/trac/ietf/meeting/wiki/105sidemeetings >>=20 >> Details: >> We are going to hold a side meeting on Friday morning to discuss the outl= ine of the new draft that will describe the immediate export IOAM option. >>=20 >> The meeting is open to all, and specifically intended for authors and con= tributors of the related IOAM drafts. >>=20 >> Minutes will be sent to the list after the meeting. >>=20 >> Cheers, >> Tal. >>=20 >>=20 >>=20 >>=20 > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm --Apple-Mail-A47DAE32-498B-474A-8CBA-FEB93F40C19E Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Tal= ,

Sorry, have to miss this m= eeting as I am back in San Jose and it was way too early in the morning for m= e.

Please send the meeting m= inutes and I will provide my comments there.

-Jai

On Jul 26, 2019, at 5:28 AM= , Tal Mizrahi <tal.mizrahi.p= hd@gmail.com> wrote:

We are meeting in Notre Dame.

Apologies for the late change, but the previous room was double booked.

Cheers,
Tal.

On Wed, Jul 24, 2019 at 11:= 23 PM Tal Mizrahi <tal.mizra= hi.phd@gmail.com> wrote:
Hi,

Time: Friday, 8:30-9:4= 5.
Room: Coller
<= div>Details:
We are going to hold a side meeting on Friday morning= to discuss the outline of the new draft that will describe the immediate ex= port IOAM option.

The meeting is open to all, a= nd specifically intended for authors and contributors of the related IOAM dr= afts.

Minutes will be sent to the list after the me= eting.

Cheers,
Tal.




________= _______________________________________
ippm mailing list
ippm@ietf.org
<= span>https://www.ietf= .org/mailman/listinfo/ippm
= --Apple-Mail-A47DAE32-498B-474A-8CBA-FEB93F40C19E-- From nobody Fri Jul 26 08:08:17 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 342D912007C for ; Fri, 26 Jul 2019 08:08:16 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2 X-Spam-Level: X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=broadcom.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qw7oCTcy4Hiw for ; Fri, 26 Jul 2019 08:08:14 -0700 (PDT) Received: from mail-pg1-x52e.google.com (mail-pg1-x52e.google.com [IPv6:2607:f8b0:4864:20::52e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A2D34120044 for ; Fri, 26 Jul 2019 08:08:09 -0700 (PDT) Received: by mail-pg1-x52e.google.com with SMTP id w10so24930914pgj.7 for ; Fri, 26 Jul 2019 08:08:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=KwXFjA5K4uS5GMRP5zx/RgIY2GiDNO7fCkJPJcdLvaM=; b=XCRzn2O7qMSMjGwKrJSs7yrDUSffy8z5MTrq0E2jib8UKy833st1xcZvwJdwUjoYgT /V+v1ruZbsv+ThF94tazcopBz7c9Ygd+Lqd+5EHqetX7x5wt9J/OD9LNxFRtSy5brMKV 6zMWhP0Nt40jBLRV+b77m8pX0SgNcJ4N91y7E= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=KwXFjA5K4uS5GMRP5zx/RgIY2GiDNO7fCkJPJcdLvaM=; b=n1OqI97U4yTq0v+7MQVw4YUp/6BTLxrdMVBSMF+MB+28Ed9yV9HghNG+D/Q0YObNSK T4ZyQyoY/+PRTKiiRCQyX8sSTEYr2jutDbDpE904es323V8VxA41aE9XZ2hO8s1Fj6OS x8/jTRXc2OyuU0YbalLliYheDRjCW0LoFgF7HEEnr80jVhxEGML+WQv2n8fP1m/A5wLC 5Aku4GTROmL9spWU7CuFZ1AP5N3YZoOSPVq8lucPXiDJ/u8Ijmvkta1CQrncF/8yT6+r zHUHVKOAjqeTwSAcI8iM4FWLft0whvTi1neUTxEKnQ6CawDGv2ru6bObuf9NQKy8iG9K pNEw== X-Gm-Message-State: APjAAAUJV9nZo1ftKfjnXwbZ1vmlWmiR3+c2/C9G0F+01e/laBNJNA9B hPnU5JuT4lWOXvo2SokhwNX5lg== X-Google-Smtp-Source: APXvYqysNmy7hYFdf/oYt0J+I7y55wXrhDwDaUdwK8PeeA6KbbKZjUnh/rbrp2pzv4AcY0WrtDac0A== X-Received: by 2002:a17:90a:3086:: with SMTP id h6mr100514551pjb.14.1564153689066; Fri, 26 Jul 2019 08:08:09 -0700 (PDT) Received: from ?IPv6:2601:641:c080:5dc3:962:2a16:ca0b:f987? ([2601:641:c080:5dc3:962:2a16:ca0b:f987]) by smtp.gmail.com with ESMTPSA id u3sm46525868pjn.5.2019.07.26.08.08.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 26 Jul 2019 08:08:08 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (1.0) From: Jai Kumar X-Mailer: iPhone Mail (16C104) In-Reply-To: <0C653836-3404-4546-A8F4-CE14FF9B74F2@apple.com> Date: Fri, 26 Jul 2019 08:08:07 -0700 Cc: "Brian Trammell (IETF)" , Greg Mirsky , IPPM Chairs , IETF IPPM WG Content-Transfer-Encoding: quoted-printable Message-Id: References: <0C653836-3404-4546-A8F4-CE14FF9B74F2@apple.com> To: Tommy Pauly Archived-At: Subject: Re: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 Jul 2019 15:08:16 -0000 Thanks Tommy. Support [as a reviewer] > On Jul 26, 2019, at 7:11 AM, Tommy Pauly wrote: >=20 > Any document adopted by the working group can and will receive edits from t= he group as a whole. Feel free to send reviews now, but the primary question= at hand here is if IPPM as a group believes that the mechanism that this do= cument aims to add is something the group should work on, and that this docu= ment is a good starting place for the work. >=20 > Thanks! > Tommy >=20 >> On Jul 25, 2019, at 4:09 PM, Jai Kumar wrote: >>=20 >> Hello Chairs, >>=20 >> What is the procedure for requesting edits. >>=20 >> Can it happen after the adoption call or requests need to be made before.= >>=20 >> -Jai >>=20 >> =EF=BB=BFOn 7/25/19, 11:07 AM, "ippm on behalf of Brian Trammell (IETF)" <= ippm-bounces@ietf.org on behalf of ietf@trammell.ch> wrote: >>=20 >> hi Greg, >>=20 >> Thanks for the feedback; absolutely, we can do this the normal way. Aut= hors: let's do a normal two-week adoption call for this document before publ= ishing the update. >>=20 >> This adoption call starts now. >>=20 >> IPPM, please respond to this message with an indication to the mailing l= ist of your support for adopting draft-mizrahi-ippm-ioam-flags as a working g= roup document, in partial fulfillment of our charter milestone "submit a Sta= ndards Track draft on inband OAM based measurement methodologies to the IESG= " (obviously, depending on how many documents we end up sending to the IESG,= we may have to change the plurality of this milestone). If you do not suppo= rt this, please send a message to the list explaining why. >>=20 >> Thanks, cheers, >>=20 >> Brian (as IPPM co-chair) >>=20 >>=20 >>> On 25 Jul 2019, at 13:15, Greg Mirsky wrote: >>>=20 >>> Dear Chairs, et al., >>> I appreciate that editors of draft-ietf-ippm-ioam-data followed on the d= ecision of the WG reached at the meeting in Prague to extract material not d= irectly related to the definition of iOAM data elements from the document. T= he new draft was presented earlier this week and generated many comments. I f= eel that it would be right to discuss the draft and its relevance to the cha= rter of the IPPM WG before starting WG adoption poll. >>>=20 >>> Regards, >>> Greg >>=20 >> _______________________________________________ >> ippm mailing list >> ippm@ietf.org >> https://www.ietf.org/mailman/listinfo/ippm >>=20 >>=20 >>=20 >=20 From nobody Fri Jul 26 08:20:57 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6FACB120044 for ; Fri, 26 Jul 2019 08:20:55 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=broadcom.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id d7Y5tpubVKKx for ; Fri, 26 Jul 2019 08:20:49 -0700 (PDT) Received: from mail-lj1-x22a.google.com (mail-lj1-x22a.google.com [IPv6:2a00:1450:4864:20::22a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9D09112003E for ; Fri, 26 Jul 2019 08:20:48 -0700 (PDT) Received: by mail-lj1-x22a.google.com with SMTP id m23so51762167lje.12 for ; Fri, 26 Jul 2019 08:20:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=neVNrYaqTEP8VDeCUXYxZr0iQx8fzddfWxM3kOgu5pE=; b=JZHE3QXWd6uE+iRDqqPUxgkmafDb87UYCRiMSB9DFKx/UNvqxoMAdaPk7aobIZudWA xW0Gd9JjFvuSbY+KyORz+jwXB5YXyyupYBhc13RvP6bAt3RHJq9/s3Vb3siSP5DCmCD5 H3TwE8EPy7ypUQ+H7ur8RkERcT7G61XFX6Nqo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=neVNrYaqTEP8VDeCUXYxZr0iQx8fzddfWxM3kOgu5pE=; b=itPecJYDH4n0HFrz9OrQD+kGvdlhJkDaOlzxz6OMVSUroTk9Cj9iGIaeCFmkUx+fv0 mbQBWwsAPrmoCBx5MlIvT/Pa7evDfgkPViS+c3a0CQ+cj923H/wJ5M7nAKUdz8W730I5 HKvSl+pxlO0tGiu4jBNCnrYxPB+iv+6N7vkp4aBTVKS/7ICUnsSHeY0RViBQe/YUbVkM Jm4cdM1YlFdTluGrdIsul3hCnxZzZzz3FX20hS9Hde13yR9sJvejShfQVv+yT7zBL4so KXHS9WEukOLaKNsbwmi25yeo0tDKmCS2Mp2oM+vHuJqJQois87gcs7hb+9rUjuSw8dH8 ACew== X-Gm-Message-State: APjAAAUK81AQcdfZoqjJGducsNpxFY3yb+kVc2RHxeMoQLZm00ho8Utl fqrfxg2zwj1bjoA3NK1/HVDIcJWoNSKTjQdz/KN+Ww== X-Google-Smtp-Source: APXvYqw6ctOC7o/hIBkhbBnEoYhSJpyjuUJCkWiuWnweZrSd4J11vjjOrZoeu2aQ+Nbq3UPx5eKJMN1QgDvjOTUPktk= X-Received: by 2002:a2e:9250:: with SMTP id v16mr49419644ljg.89.1564154446763; Fri, 26 Jul 2019 08:20:46 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: John Lemon Date: Fri, 26 Jul 2019 08:20:35 -0700 Message-ID: To: "Brian Trammell (IETF)" Cc: Greg Mirsky , IPPM Chairs , IETF IPPM WG Content-Type: multipart/alternative; boundary="0000000000002c850f058e9716d4" Archived-At: Subject: Re: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 Jul 2019 15:20:56 -0000 --0000000000002c850f058e9716d4 Content-Type: text/plain; charset="UTF-8" I support WG adoption of draft-mizrahi-ippm-ioam-flags. John (co-author) On Thu, Jul 25, 2019 at 11:07 AM Brian Trammell (IETF) wrote: > hi Greg, > > Thanks for the feedback; absolutely, we can do this the normal way. > Authors: let's do a normal two-week adoption call for this document before > publishing the update. > > This adoption call starts now. > > IPPM, please respond to this message with an indication to the mailing > list of your support for adopting draft-mizrahi-ippm-ioam-flags as a > working group document, in partial fulfillment of our charter milestone > "submit a Standards Track draft on inband OAM based measurement > methodologies to the IESG" (obviously, depending on how many documents we > end up sending to the IESG, we may have to change the plurality of this > milestone). If you do not support this, please send a message to the list > explaining why. > > Thanks, cheers, > > Brian (as IPPM co-chair) > > > > On 25 Jul 2019, at 13:15, Greg Mirsky wrote: > > > > Dear Chairs, et al., > > I appreciate that editors of draft-ietf-ippm-ioam-data followed on the > decision of the WG reached at the meeting in Prague to extract material not > directly related to the definition of iOAM data elements from the document. > The new draft was presented earlier this week and generated many comments. > I feel that it would be right to discuss the draft and its relevance to the > charter of the IPPM WG before starting WG adoption poll. > > > > Regards, > > Greg > > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm > --0000000000002c850f058e9716d4 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I support WG adoption of=C2=A0draft-mizrahi-ippm-ioam-flag= s.

John (co-author)


On Thu, Jul 25, = 2019 at 11:07 AM Brian Trammell (IETF) <ietf@trammell.ch> wrote:
hi Greg,

Thanks for the feedback; absolutely, we can do this the normal way. Authors= : let's do a normal two-week adoption call for this document before pub= lishing the update.

This adoption call starts now.

IPPM, please respond to this message with an indication to the mailing list= of your support for adopting draft-mizrahi-ippm-ioam-flags as a working gr= oup document, in partial fulfillment of our charter milestone "submit = a Standards Track draft on inband OAM based measurement methodologies to th= e IESG" (obviously, depending on how many documents we end up sending = to the IESG, we may have to change the plurality of this milestone). If you= do not support this, please send a message to the list explaining why.

Thanks, cheers,

Brian (as IPPM co-chair)


> On 25 Jul 2019, at 13:15, Greg Mirsky <gregimirsky@gmail.com> wrote:
>
> Dear Chairs, et al.,
> I appreciate that editors of draft-ietf-ippm-ioam-data followed on the= decision of the WG reached at the meeting in Prague to extract material no= t directly related to the definition of iOAM data elements from the documen= t. The new draft was presented earlier this week and generated many comment= s. I feel that it would be right to discuss the draft and its relevance to = the charter of the IPPM WG before starting WG adoption poll.
>
> Regards,
> Greg

_______________________________________________
ippm mailing list
ippm@ietf.org
https://www.ietf.org/mailman/listinfo/ippm
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([fe80::51ed:57ae:d3a7:e4bd%7]) with mapi id 15.20.2115.005; Fri, 26 Jul 2019 17:14:03 +0000 From: Haoyu Song To: IETF Secretariat , "draft-mizrahi-ippm-ioam-flags@ietf.org" , "ippm-chairs@ietf.org" , "ippm@ietf.org" Thread-Topic: [ippm] The IPPM WG has placed draft-mizrahi-ippm-ioam-flags in state "Call For Adoption By WG Issued" Thread-Index: AQHVQxRQVbYloP6GzEKiMselB3l/MabdJIlw Date: Fri, 26 Jul 2019 17:14:03 +0000 Message-ID: References: <156407822787.12534.16530921052325950732.idtracker@ietfa.amsl.com> In-Reply-To: <156407822787.12534.16530921052325950732.idtracker@ietfa.amsl.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=haoyu.song@futurewei.com; x-originating-ip: [12.111.81.95] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 80332c8f-85df-4291-3b8f-08d711eca894 x-microsoft-antispam: BCL:0; PCL:0; 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X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR13MB3503 Archived-At: Subject: Re: [ippm] The IPPM WG has placed draft-mizrahi-ippm-ioam-flags in state "Call For Adoption By WG Issued" X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 Jul 2019 17:14:12 -0000 Support as a reviewer.=20 Some comments I sent before need to be addressed in future revisions. Thanks! Haoyu=20 -----Original Message----- From: ippm On Behalf Of IETF Secretariat Sent: Thursday, July 25, 2019 11:10 AM To: draft-mizrahi-ippm-ioam-flags@ietf.org; ippm-chairs@ietf.org; ippm@ietf= .org Subject: [ippm] The IPPM WG has placed draft-mizrahi-ippm-ioam-flags in sta= te "Call For Adoption By WG Issued" The IPPM WG has placed draft-mizrahi-ippm-ioam-flags in state Call For Adop= tion By WG Issued (entered by Brian Trammell) The document is available at https://nam03.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fdatatra= cker.ietf.org%2Fdoc%2Fdraft-mizrahi-ippm-ioam-flags%2F&data=3D02%7C01%7= Chaoyu.song%40futurewei.com%7C33af4ef491474a45d7af08d7112b71d1%7C0fee8ff2a3= b240189c753a1d5591fedc%7C1%7C0%7C636996750602717252&sdata=3DI5wJBnzkeBy= z1x0ZN0BWlYTi6K8Ji2NzhkCYL%2FWj10c%3D&reserved=3D0 _______________________________________________ ippm mailing list ippm@ietf.org https://nam03.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fwww.iet= f.org%2Fmailman%2Flistinfo%2Fippm&data=3D02%7C01%7Chaoyu.song%40futurew= ei.com%7C33af4ef491474a45d7af08d7112b71d1%7C0fee8ff2a3b240189c753a1d5591fed= c%7C1%7C0%7C636996750602717252&sdata=3DKl1oT%2FZxagCwPZqGUGmHjKWK0MXrVS= ZQbAQbhWtCFas%3D&reserved=3D0 From nobody Sun Jul 28 21:09:42 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BD61E120115; 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Mon, 29 Jul 2019 04:09:33 +0000 From: "Carlos Pignataro (cpignata)" To: "Brian Trammell (IETF)" CC: Greg Mirsky , IPPM Chairs , IETF IPPM WG Thread-Topic: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags Thread-Index: AQHVQxPhrKSfRYTYWk6hrIGjowkMKqbhALEA Date: Mon, 29 Jul 2019 04:09:33 +0000 Message-ID: <4AC4BE58-D387-4230-974F-1E313AA49E45@cisco.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3445.104.11) authentication-results: spf=none (sender IP is ) smtp.mailfrom=cpignata@cisco.com; x-originating-ip: [173.38.117.88] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 7ceb7295-57c7-47d6-a64b-08d713da9013 x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020); SRVR:BL0PR11MB3457; x-ms-traffictypediagnostic: BL0PR11MB3457: x-ms-exchange-purlcount: 1 x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:10000; 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charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 7ceb7295-57c7-47d6-a64b-08d713da9013 X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Jul 2019 04:09:33.4761 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: cpignata@cisco.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR11MB3457 X-OriginatorOrg: cisco.com X-Outbound-SMTP-Client: 173.36.7.28, xch-aln-018.cisco.com X-Outbound-Node: rcdn-core-11.cisco.com Archived-At: Subject: Re: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 29 Jul 2019 04:09:41 -0000 SGksIEJyaWFuLA0KDQpJIHN1cHBvcnQgYWRvcHRpb24gb2YgZHJhZnQtbWl6cmFoaS1pcHBtLWlv YW0tZmxhZ3MuIFRoaXMgaXMgYW4gaW1wb3J0YW50IHNldCBvZiBkZWZpbml0aW9uIG9mIGZsYWdz IGZvciByZWFsIHVzZXMgYmFzZWQgb24gZXhwZXJpZW5jZS4gSXQgZnVsZmlsbHMgcGFydCBvZiB0 aGUgY2hhcnRlciBtaWxlc3RvbmUgYmVsb3cgY29tcGxlbWVudGluZyB0aGUgYmFzZSBpb2FtLWRh dGEsIHJlYWxpemluZyBzcGVjaWZpYyB1c2UgY2FzZXMsIGFzIGFuIG9mZnNwcmluZyBkb2N1bWVu dCBmcm9tIGlvYW0tZGF0YS4NCg0KSeKAmW0gYSBjby1hdXRob3IuDQoNClRoYW5rcywNCg0KQ2Fy bG9zLg0KDQo+IE9uIEp1bCAyNSwgMjAxOSwgYXQgMjowNyBQTSwgQnJpYW4gVHJhbW1lbGwgKElF VEYpIDxpZXRmQHRyYW1tZWxsLmNoPiB3cm90ZToNCj4gDQo+IGhpIEdyZWcsDQo+IA0KPiBUaGFu a3MgZm9yIHRoZSBmZWVkYmFjazsgYWJzb2x1dGVseSwgd2UgY2FuIGRvIHRoaXMgdGhlIG5vcm1h bCB3YXkuIEF1dGhvcnM6IGxldCdzIGRvIGEgbm9ybWFsIHR3by13ZWVrIGFkb3B0aW9uIGNhbGwg Zm9yIHRoaXMgZG9jdW1lbnQgYmVmb3JlIHB1Ymxpc2hpbmcgdGhlIHVwZGF0ZS4NCj4gDQo+IFRo aXMgYWRvcHRpb24gY2FsbCBzdGFydHMgbm93Lg0KPiANCj4gSVBQTSwgcGxlYXNlIHJlc3BvbmQg dG8gdGhpcyBtZXNzYWdlIHdpdGggYW4gaW5kaWNhdGlvbiB0byB0aGUgbWFpbGluZyBsaXN0IG9m IHlvdXIgc3VwcG9ydCBmb3IgYWRvcHRpbmcgZHJhZnQtbWl6cmFoaS1pcHBtLWlvYW0tZmxhZ3Mg YXMgYSB3b3JraW5nIGdyb3VwIGRvY3VtZW50LCBpbiBwYXJ0aWFsIGZ1bGZpbGxtZW50IG9mIG91 ciBjaGFydGVyIG1pbGVzdG9uZSAic3VibWl0IGEgU3RhbmRhcmRzIFRyYWNrIGRyYWZ0IG9uIGlu YmFuZCBPQU0gYmFzZWQgbWVhc3VyZW1lbnQgbWV0aG9kb2xvZ2llcyB0byB0aGUgSUVTRyIgKG9i dmlvdXNseSwgZGVwZW5kaW5nIG9uIGhvdyBtYW55IGRvY3VtZW50cyB3ZSBlbmQgdXAgc2VuZGlu ZyB0byB0aGUgSUVTRywgd2UgbWF5IGhhdmUgdG8gY2hhbmdlIHRoZSBwbHVyYWxpdHkgb2YgdGhp cyBtaWxlc3RvbmUpLiBJZiB5b3UgZG8gbm90IHN1cHBvcnQgdGhpcywgcGxlYXNlIHNlbmQgYSBt ZXNzYWdlIHRvIHRoZSBsaXN0IGV4cGxhaW5pbmcgd2h5Lg0KPiANCj4gVGhhbmtzLCBjaGVlcnMs DQo+IA0KPiBCcmlhbiAoYXMgSVBQTSBjby1jaGFpcikNCj4gDQo+IA0KPj4gT24gMjUgSnVsIDIw MTksIGF0IDEzOjE1LCBHcmVnIE1pcnNreSA8Z3JlZ2ltaXJza3lAZ21haWwuY29tPiB3cm90ZToN Cj4+IA0KPj4gRGVhciBDaGFpcnMsIGV0IGFsLiwNCj4+IEkgYXBwcmVjaWF0ZSB0aGF0IGVkaXRv cnMgb2YgZHJhZnQtaWV0Zi1pcHBtLWlvYW0tZGF0YSBmb2xsb3dlZCBvbiB0aGUgZGVjaXNpb24g b2YgdGhlIFdHIHJlYWNoZWQgYXQgdGhlIG1lZXRpbmcgaW4gUHJhZ3VlIHRvIGV4dHJhY3QgbWF0 ZXJpYWwgbm90IGRpcmVjdGx5IHJlbGF0ZWQgdG8gdGhlIGRlZmluaXRpb24gb2YgaU9BTSBkYXRh IGVsZW1lbnRzIGZyb20gdGhlIGRvY3VtZW50LiBUaGUgbmV3IGRyYWZ0IHdhcyBwcmVzZW50ZWQg ZWFybGllciB0aGlzIHdlZWsgYW5kIGdlbmVyYXRlZCBtYW55IGNvbW1lbnRzLiBJIGZlZWwgdGhh dCBpdCB3b3VsZCBiZSByaWdodCB0byBkaXNjdXNzIHRoZSBkcmFmdCBhbmQgaXRzIHJlbGV2YW5j ZSB0byB0aGUgY2hhcnRlciBvZiB0aGUgSVBQTSBXRyBiZWZvcmUgc3RhcnRpbmcgV0cgYWRvcHRp b24gcG9sbC4NCj4+IA0KPj4gUmVnYXJkcywNCj4+IEdyZWcNCj4gDQo+IF9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fDQo+IGlwcG0gbWFpbGluZyBsaXN0DQo+ IGlwcG1AaWV0Zi5vcmcNCj4gaHR0cHM6Ly93d3cuaWV0Zi5vcmcvbWFpbG1hbi9saXN0aW5mby9p cHBtDQoNCg== From nobody Tue Jul 30 08:20:03 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BE99912019F for ; 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Tue, 30 Jul 2019 08:19:56 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Tom Herbert Date: Tue, 30 Jul 2019 08:19:45 -0700 Message-ID: To: IETF IPPM WG Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: Re: [ippm] Comments on draft-ietf-ippm-ioam-data-06 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 Jul 2019 15:20:01 -0000 On Wed, Jul 24, 2019 at 4:07 PM Tom Herbert wrote: > > Hello, > > These are some comments on the draft that are motivated while working > on the IOAM hackathon project. > > From the draft: > > "Bit 7 When set indicates presence of variable length Opaque State > Snapshot field." > > It seems like this would put a variable data field in the middle of > fixed length fields of the bit vector. Also, it seems like the length > could vary in each node. Both of these are harsh on a parser. > > If variable data is needed, I suggest that it should immediately > follow the last flag field. The reserved field byte in the trace > header might be used to hold the length of the variable data. > > From the draft: > > "Bit 23 When set indicates presence of the Checksum Complement node data." > > I don't understand why this is needed. As I understand it, this is to > offset a change in the UDP payload so that the UDP checksum remains > correct. Since the node processing this already had to parse into UDP, > why not just adjust the UDP checksum itself (like NAT does for > instance)? > > Skipping bits when allocating in the bit vector is also problematic. > In order to determine the offset of the Nth flag field, a node needs > to know the lengths of the 0..N-1 fields, but the lengths of N+1 field > and on are relevant. This is important for backwards compatibility as > new flags are defined. For instance, when bit 12 is defined, a legacy > implementation that needs to set the checksum complement at bit 23 > would be unable to determine the offset of the checksum complement. > RFC7820 describes the need for checksum complement to be after the field being set. I do believe that skipping bits in the vector is problematic as described above. This also might preclude extending the bit vector as proposed below. Tom > Side note, per RFC7605: > > "It is important to recognize that any interpretation of port numbers > -- except at the endpoints -- may be incorrect" > > This might be a nuisance if just reading UDP payload that is > misinterpreted, but modifying misinterpreted UDP data, which could > happen if IOAM data being set is encapsulated in UDP, would be > systematic data corruption. Very bad! > > From the draft: > > "Bit 1 When set indicates presence of ingress_if_id and > egress_if_id (short format) in the node data." > > and > > "Bit 9 When set indicates presence of ingress_if_id and > egress_if_id in wide format in the node data." > > Having separate fields for different sizes of the same information > awkward and inefficient. Consider that both bit 1 and bit 9 might be > simultaneously set and two different values could be reported. In GUE > we allow flags to be group to allow different sizes for a field and > that might be useful here. For example, for ingress and egress ID a > two bit flag could be defined where 00 indicates field not present, 01 > indicates 16 bit IDs, 10 indicates 32 bit IDs, 11 indicates 64 bit > IDs. > > "IOAM-Trace-Type: A 24-bit identifier which specifies which data > types are used in this node data list." > > With more than half already allocated it seems like the bits could be > exhausted relatively quickly especially if IOAM is a rousing success > and people apply their wildest imagination as to what data to collect. > I suggest to reserve the last bit of the vector. This bit will > indicate a field is present that itself contains another set of flags. > And in turn the expansion field's last bit can indicate another > expansion field and so on. > > Tom From nobody Tue Jul 30 19:57:40 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8A20912004E; Tue, 30 Jul 2019 19:57:39 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.201 X-Spam-Level: X-Spam-Status: No, score=-4.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1qUofRPvSk16; Tue, 30 Jul 2019 19:57:37 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 803D812004A; Tue, 30 Jul 2019 19:57:37 -0700 (PDT) Received: from lhreml706-cah.china.huawei.com (unknown [172.18.7.107]) by Forcepoint Email with ESMTP id DEA05AF733E3D71C4332; Wed, 31 Jul 2019 03:57:35 +0100 (IST) Received: from NKGEML412-HUB.china.huawei.com (10.98.56.73) by lhreml706-cah.china.huawei.com (10.201.108.47) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 31 Jul 2019 03:57:35 +0100 Received: from NKGEML515-MBX.china.huawei.com ([fe80::a54a:89d2:c471:ff]) by nkgeml412-hub.china.huawei.com ([10.98.56.73]) with mapi id 14.03.0439.000; Wed, 31 Jul 2019 10:57:28 +0800 From: Tianran Zhou To: "Carlos Pignataro (cpignata)" , "Brian Trammell (IETF)" CC: IPPM Chairs , IETF IPPM WG Thread-Topic: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags Thread-Index: AQHVQxPgl8uBcHGYaUqUk7BQykX/oqbgepaAgAOWWHA= Date: Wed, 31 Jul 2019 02:57:28 +0000 Message-ID: References: <4AC4BE58-D387-4230-974F-1E313AA49E45@cisco.com> In-Reply-To: <4AC4BE58-D387-4230-974F-1E313AA49E45@cisco.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.111.156.116] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Jul 2019 02:57:40 -0000 SSBzdXBwb3J0IHdnIGFkb3B0aW9uIG9mIGRyYWZ0LW1penJhaGktaXBwbS1pb2FtLWZsYWdzLg0K DQpDaGVlcnMsDQpUaWFucmFuDQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJv bTogaXBwbSBbbWFpbHRvOmlwcG0tYm91bmNlc0BpZXRmLm9yZ10gT24gQmVoYWxmIE9mIENhcmxv cyBQaWduYXRhcm8NCj4gKGNwaWduYXRhKQ0KPiBTZW50OiBNb25kYXksIEp1bHkgMjksIDIwMTkg MTI6MTAgUE0NCj4gVG86IEJyaWFuIFRyYW1tZWxsIChJRVRGKSA8aWV0ZkB0cmFtbWVsbC5jaD4N Cj4gQ2M6IElQUE0gQ2hhaXJzIDxpcHBtLWNoYWlyc0BpZXRmLm9yZz47IElFVEYgSVBQTSBXRyA8 aXBwbUBpZXRmLm9yZz4NCj4gU3ViamVjdDogUmU6IFtpcHBtXSBBZG9wdGlvbiBjYWxsIGZvciBk cmFmdC1taXpyYWhpLWlwcG0taW9hbS1mbGFncyBSZToNCj4gUmVnYXJkaW5nIGRyYWZ0LW1penJh aGktaXBwbS1pb2FtLWZsYWdzDQo+IA0KPiBIaSwgQnJpYW4sDQo+IA0KPiBJIHN1cHBvcnQgYWRv cHRpb24gb2YgZHJhZnQtbWl6cmFoaS1pcHBtLWlvYW0tZmxhZ3MuIFRoaXMgaXMgYW4gaW1wb3J0 YW50DQo+IHNldCBvZiBkZWZpbml0aW9uIG9mIGZsYWdzIGZvciByZWFsIHVzZXMgYmFzZWQgb24g ZXhwZXJpZW5jZS4gSXQgZnVsZmlsbHMNCj4gcGFydCBvZiB0aGUgY2hhcnRlciBtaWxlc3RvbmUg YmVsb3cgY29tcGxlbWVudGluZyB0aGUgYmFzZSBpb2FtLWRhdGEsDQo+IHJlYWxpemluZyBzcGVj aWZpYyB1c2UgY2FzZXMsIGFzIGFuIG9mZnNwcmluZyBkb2N1bWVudCBmcm9tIGlvYW0tZGF0YS4N Cj4gDQo+IEnigJltIGEgY28tYXV0aG9yLg0KPiANCj4gVGhhbmtzLA0KPiANCj4gQ2FybG9zLg0K PiANCj4gPiBPbiBKdWwgMjUsIDIwMTksIGF0IDI6MDcgUE0sIEJyaWFuIFRyYW1tZWxsIChJRVRG KSA8aWV0ZkB0cmFtbWVsbC5jaD4gd3JvdGU6DQo+ID4NCj4gPiBoaSBHcmVnLA0KPiA+DQo+ID4g VGhhbmtzIGZvciB0aGUgZmVlZGJhY2s7IGFic29sdXRlbHksIHdlIGNhbiBkbyB0aGlzIHRoZSBu b3JtYWwgd2F5LiBBdXRob3JzOg0KPiBsZXQncyBkbyBhIG5vcm1hbCB0d28td2VlayBhZG9wdGlv biBjYWxsIGZvciB0aGlzIGRvY3VtZW50IGJlZm9yZSBwdWJsaXNoaW5nDQo+IHRoZSB1cGRhdGUu DQo+ID4NCj4gPiBUaGlzIGFkb3B0aW9uIGNhbGwgc3RhcnRzIG5vdy4NCj4gPg0KPiA+IElQUE0s IHBsZWFzZSByZXNwb25kIHRvIHRoaXMgbWVzc2FnZSB3aXRoIGFuIGluZGljYXRpb24gdG8gdGhl IG1haWxpbmcgbGlzdA0KPiBvZiB5b3VyIHN1cHBvcnQgZm9yIGFkb3B0aW5nIGRyYWZ0LW1penJh aGktaXBwbS1pb2FtLWZsYWdzIGFzIGEgd29ya2luZyBncm91cA0KPiBkb2N1bWVudCwgaW4gcGFy dGlhbCBmdWxmaWxsbWVudCBvZiBvdXIgY2hhcnRlciBtaWxlc3RvbmUgInN1Ym1pdCBhIFN0YW5k YXJkcw0KPiBUcmFjayBkcmFmdCBvbiBpbmJhbmQgT0FNIGJhc2VkIG1lYXN1cmVtZW50IG1ldGhv ZG9sb2dpZXMgdG8gdGhlIElFU0ciDQo+IChvYnZpb3VzbHksIGRlcGVuZGluZyBvbiBob3cgbWFu eSBkb2N1bWVudHMgd2UgZW5kIHVwIHNlbmRpbmcgdG8gdGhlIElFU0csDQo+IHdlIG1heSBoYXZl IHRvIGNoYW5nZSB0aGUgcGx1cmFsaXR5IG9mIHRoaXMgbWlsZXN0b25lKS4gSWYgeW91IGRvIG5v dCBzdXBwb3J0DQo+IHRoaXMsIHBsZWFzZSBzZW5kIGEgbWVzc2FnZSB0byB0aGUgbGlzdCBleHBs YWluaW5nIHdoeS4NCj4gPg0KPiA+IFRoYW5rcywgY2hlZXJzLA0KPiA+DQo+ID4gQnJpYW4gKGFz IElQUE0gY28tY2hhaXIpDQo+ID4NCj4gPg0KPiA+PiBPbiAyNSBKdWwgMjAxOSwgYXQgMTM6MTUs IEdyZWcgTWlyc2t5IDxncmVnaW1pcnNreUBnbWFpbC5jb20+IHdyb3RlOg0KPiA+Pg0KPiA+PiBE ZWFyIENoYWlycywgZXQgYWwuLA0KPiA+PiBJIGFwcHJlY2lhdGUgdGhhdCBlZGl0b3JzIG9mIGRy YWZ0LWlldGYtaXBwbS1pb2FtLWRhdGEgZm9sbG93ZWQgb24gdGhlDQo+IGRlY2lzaW9uIG9mIHRo ZSBXRyByZWFjaGVkIGF0IHRoZSBtZWV0aW5nIGluIFByYWd1ZSB0byBleHRyYWN0IG1hdGVyaWFs IG5vdA0KPiBkaXJlY3RseSByZWxhdGVkIHRvIHRoZSBkZWZpbml0aW9uIG9mIGlPQU0gZGF0YSBl bGVtZW50cyBmcm9tIHRoZSBkb2N1bWVudC4NCj4gVGhlIG5ldyBkcmFmdCB3YXMgcHJlc2VudGVk IGVhcmxpZXIgdGhpcyB3ZWVrIGFuZCBnZW5lcmF0ZWQgbWFueSBjb21tZW50cy4NCj4gSSBmZWVs IHRoYXQgaXQgd291bGQgYmUgcmlnaHQgdG8gZGlzY3VzcyB0aGUgZHJhZnQgYW5kIGl0cyByZWxl dmFuY2UgdG8gdGhlDQo+IGNoYXJ0ZXIgb2YgdGhlIElQUE0gV0cgYmVmb3JlIHN0YXJ0aW5nIFdH IGFkb3B0aW9uIHBvbGwuDQo+ID4+DQo+ID4+IFJlZ2FyZHMsDQo+ID4+IEdyZWcNCj4gPg0KPiA+ IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fDQo+ID4gaXBw bSBtYWlsaW5nIGxpc3QNCj4gPiBpcHBtQGlldGYub3JnDQo+ID4gaHR0cHM6Ly93d3cuaWV0Zi5v cmcvbWFpbG1hbi9saXN0aW5mby9pcHBtDQo+IA0KPiBfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXw0KPiBpcHBtIG1haWxpbmcgbGlzdA0KPiBpcHBtQGlldGYu b3JnDQo+IGh0dHBzOi8vd3d3LmlldGYub3JnL21haWxtYW4vbGlzdGluZm8vaXBwbQ0K From nobody Tue Jul 30 20:22:58 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2EC5A12010D; 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Tue, 30 Jul 2019 20:22:54 -0700 (PDT) MIME-Version: 1.0 References: <4AC4BE58-D387-4230-974F-1E313AA49E45@cisco.com> In-Reply-To: From: Parviz Yegani Date: Tue, 30 Jul 2019 20:22:43 -0700 Message-ID: To: Tianran Zhou Cc: "Carlos Pignataro (cpignata)" , "Brian Trammell (IETF)" , IPPM Chairs , IETF IPPM WG Content-Type: multipart/alternative; boundary="0000000000000cef3b058ef1a415" Archived-At: Subject: Re: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Jul 2019 03:22:57 -0000 --0000000000000cef3b058ef1a415 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable I support adoption of draft-mizrahi-ippm-ioam-flags. Thanks, Parviz On Tue, Jul 30, 2019 at 7:57 PM Tianran Zhou wrote= : > I support wg adoption of draft-mizrahi-ippm-ioam-flags. > > Cheers, > Tianran > > > -----Original Message----- > > From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Carlos Pignataro > > (cpignata) > > Sent: Monday, July 29, 2019 12:10 PM > > To: Brian Trammell (IETF) > > Cc: IPPM Chairs ; IETF IPPM WG > > Subject: Re: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: > > Regarding draft-mizrahi-ippm-ioam-flags > > > > Hi, Brian, > > > > I support adoption of draft-mizrahi-ippm-ioam-flags. This is an importa= nt > > set of definition of flags for real uses based on experience. It fulfil= ls > > part of the charter milestone below complementing the base ioam-data, > > realizing specific use cases, as an offspring document from ioam-data. > > > > I=E2=80=99m a co-author. > > > > Thanks, > > > > Carlos. > > > > > On Jul 25, 2019, at 2:07 PM, Brian Trammell (IETF) > wrote: > > > > > > hi Greg, > > > > > > Thanks for the feedback; absolutely, we can do this the normal way. > Authors: > > let's do a normal two-week adoption call for this document before > publishing > > the update. > > > > > > This adoption call starts now. > > > > > > IPPM, please respond to this message with an indication to the mailin= g > list > > of your support for adopting draft-mizrahi-ippm-ioam-flags as a working > group > > document, in partial fulfillment of our charter milestone "submit a > Standards > > Track draft on inband OAM based measurement methodologies to the IESG" > > (obviously, depending on how many documents we end up sending to the > IESG, > > we may have to change the plurality of this milestone). If you do not > support > > this, please send a message to the list explaining why. > > > > > > Thanks, cheers, > > > > > > Brian (as IPPM co-chair) > > > > > > > > >> On 25 Jul 2019, at 13:15, Greg Mirsky wrote: > > >> > > >> Dear Chairs, et al., > > >> I appreciate that editors of draft-ietf-ippm-ioam-data followed on t= he > > decision of the WG reached at the meeting in Prague to extract material > not > > directly related to the definition of iOAM data elements from the > document. > > The new draft was presented earlier this week and generated many > comments. > > I feel that it would be right to discuss the draft and its relevance to > the > > charter of the IPPM WG before starting WG adoption poll. > > >> > > >> Regards, > > >> Greg > > > > > > _______________________________________________ > > > ippm mailing list > > > ippm@ietf.org > > > https://www.ietf.org/mailman/listinfo/ippm > > > > _______________________________________________ > > ippm mailing list > > ippm@ietf.org > > https://www.ietf.org/mailman/listinfo/ippm > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm > --=20 ------------- Dr. Parviz Yegani (408) 759-1973 mobile pyegani@gmail.com --0000000000000cef3b058ef1a415 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I support adoption of draft-mizrahi-ippm-ioam-flags.=C2=A0= =C2=A0

Thanks,
Parviz

On Tue, Jul 30, 2019 at 7:5= 7 PM Tianran Zhou <zhoutianran@huawei.com> wrote:
I support wg adoption of draft-mizrahi-ippm-io= am-flags.

Cheers,
Tianran

> -----Original Message-----
> From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Carlos Pignataro
> (cpignata)
> Sent: Monday, July 29, 2019 12:10 PM
> To: Brian Trammell (IETF) <ietf@trammell.ch>
> Cc: IPPM Chairs <ippm-chairs@ietf.org>; IETF IPPM WG <ippm@ietf.org>
> Subject: Re: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re= :
> Regarding draft-mizrahi-ippm-ioam-flags
>
> Hi, Brian,
>
> I support adoption of draft-mizrahi-ippm-ioam-flags. This is an import= ant
> set of definition of flags for real uses based on experience. It fulfi= lls
> part of the charter milestone below complementing the base ioam-data,<= br> > realizing specific use cases, as an offspring document from ioam-data.=
>
> I=E2=80=99m a co-author.
>
> Thanks,
>
> Carlos.
>
> > On Jul 25, 2019, at 2:07 PM, Brian Trammell (IETF) <ietf@trammell.ch> wrote:=
> >
> > hi Greg,
> >
> > Thanks for the feedback; absolutely, we can do this the normal wa= y. Authors:
> let's do a normal two-week adoption call for this document before = publishing
> the update.
> >
> > This adoption call starts now.
> >
> > IPPM, please respond to this message with an indication to the ma= iling list
> of your support for adopting draft-mizrahi-ippm-ioam-flags as a workin= g group
> document, in partial fulfillment of our charter milestone "submit= a Standards
> Track draft on inband OAM based measurement methodologies to the IESG&= quot;
> (obviously, depending on how many documents we end up sending to the I= ESG,
> we may have to change the plurality of this milestone). If you do not = support
> this, please send a message to the list explaining why.
> >
> > Thanks, cheers,
> >
> > Brian (as IPPM co-chair)
> >
> >
> >> On 25 Jul 2019, at 13:15, Greg Mirsky <gregimirsky@gmail.com> wrote= :
> >>
> >> Dear Chairs, et al.,
> >> I appreciate that editors of draft-ietf-ippm-ioam-data follow= ed on the
> decision of the WG reached at the meeting in Prague to extract materia= l not
> directly related to the definition of iOAM data elements from the docu= ment.
> The new draft was presented earlier this week and generated many comme= nts.
> I feel that it would be right to discuss the draft and its relevance t= o the
> charter of the IPPM WG before starting WG adoption poll.
> >>
> >> Regards,
> >> Greg
> >
> > _______________________________________________
> > ippm mailing list
> > ippm@ietf.org<= /a>
> > https://www.ietf.org/mailman/listinfo/ippm >
> _______________________________________________
> ippm mailing list
> ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm
_______________________________________________
ippm mailing list
ippm@ietf.org
https://www.ietf.org/mailman/listinfo/ippm


--

-------------
Dr. Parviz Yegani
(408) 759-1973 mobile
--0000000000000cef3b058ef1a415-- From nobody Wed Jul 31 06:42:49 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D3E4C120020; Wed, 31 Jul 2019 06:42:46 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.201 X-Spam-Level: X-Spam-Status: No, score=-4.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OufATdy6Kp3r; Wed, 31 Jul 2019 06:42:44 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 3240A120018; Wed, 31 Jul 2019 06:42:44 -0700 (PDT) Received: from LHREML714-CAH.china.huawei.com (unknown [172.18.7.107]) by Forcepoint Email with ESMTP id 0039FE44BF0635FD9685; Wed, 31 Jul 2019 14:42:41 +0100 (IST) Received: from lhreml507-mbb.china.huawei.com ([10.201.109.48]) by LHREML714-CAH.china.huawei.com ([10.201.108.37]) with mapi id 14.03.0415.000; Wed, 31 Jul 2019 14:42:38 +0100 From: Giuseppe Fioccola To: "Brian Trammell (IETF)" , Greg Mirsky CC: IPPM Chairs , IETF IPPM WG Thread-Topic: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags Thread-Index: AQHVQxPwi0b7sgWvMEqCSTmvK37NgqbkxSlQ Date: Wed, 31 Jul 2019 13:42:37 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.220.134.55] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Jul 2019 13:42:47 -0000 Yes, I support WG adoption. Best Regards, Giuseppe -----Original Message----- From: ippm [mailto:ippm-bounces@ietf.org] On Behalf Of Brian Trammell (IETF= ) Sent: Thursday, July 25, 2019 8:07 PM To: Greg Mirsky Cc: IPPM Chairs ; IETF IPPM WG Subject: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regardi= ng draft-mizrahi-ippm-ioam-flags hi Greg, Thanks for the feedback; absolutely, we can do this the normal way. Authors= : let's do a normal two-week adoption call for this document before publish= ing the update. This adoption call starts now. IPPM, please respond to this message with an indication to the mailing list= of your support for adopting draft-mizrahi-ippm-ioam-flags as a working gr= oup document, in partial fulfillment of our charter milestone "submit a Sta= ndards Track draft on inband OAM based measurement methodologies to the IES= G" (obviously, depending on how many documents we end up sending to the IES= G, we may have to change the plurality of this milestone). If you do not su= pport this, please send a message to the list explaining why. Thanks, cheers, Brian (as IPPM co-chair) > On 25 Jul 2019, at 13:15, Greg Mirsky wrote: >=20 > Dear Chairs, et al., > I appreciate that editors of draft-ietf-ippm-ioam-data followed on the de= cision of the WG reached at the meeting in Prague to extract material not d= irectly related to the definition of iOAM data elements from the document. = The new draft was presented earlier this week and generated many comments. = I feel that it would be right to discuss the draft and its relevance to the= charter of the IPPM WG before starting WG adoption poll. >=20 > Regards, > Greg _______________________________________________ ippm mailing list ippm@ietf.org https://www.ietf.org/mailman/listinfo/ippm From nobody Wed Jul 31 11:53:55 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4E1DC12006D; Wed, 31 Jul 2019 11:53:52 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 6hgUA4gR71q2; Wed, 31 Jul 2019 11:53:49 -0700 (PDT) Received: from mail-lj1-x234.google.com (mail-lj1-x234.google.com [IPv6:2a00:1450:4864:20::234]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 18C6C12004F; Wed, 31 Jul 2019 11:53:49 -0700 (PDT) Received: by mail-lj1-x234.google.com with SMTP id y17so42120017ljk.10; Wed, 31 Jul 2019 11:53:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=gZzZogq5KiNnoltkarA3nn+bfPyZiZk5bWp/I/bJjbM=; b=WEsviOzwuj4Wyp5oTt6d2AktK8eP2Ur8RScuDhF6OygKoqVt94T+EppQJvSvDSwOfl ikTMmfjmrf+v+DeDeWaIA2HXEWkXe3PyhuXMzOwIfMQ+o4UAotz836Ajz6Q5D7lNU3Y3 CI6ZnCOO76cdvh/nOlsJPQIFq2StxpK3i+h+2RYX45Ot9FWI9I5+Ue6ts9W/QHH9QqBF bZtsHp8vSOVxJr3QbadMGdVBwDC9pZpudOnxK+VnwyqaM7CqtddZuBZg9GfCjq861XWy nNKcYiQAxIev3bVCUwAsnM0NOSYdEQV4TUQqpTHn8AbMNeNuOv60T1QQxx75G9ax3rgd K1jg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=gZzZogq5KiNnoltkarA3nn+bfPyZiZk5bWp/I/bJjbM=; b=jA6mVTG65cci0W2wUL0HAVFD/s1+hhZItruEhmqYrrvJ+bbH37cAORNMUuK5y5+Spb Iv2wirM+ZA/PsKM7JX5Y/Yc3dCFnGr7vA2soDGsFJ9Ub90U04jGnhEnQc5e0U4W9kzbz NqCh/I4tbKVP8RZTiJrtR84lq1YZ70bSx9SZj58NY3jDmUkH21teNiVQlhlW9HgGcLS3 R5BRywp2usW3N/OXo0y+cL49znW9fq8/5fs/Gn74kzOHwfQyogDjUXz4Ry4wy4SXPHIf mHW9moJLDS/AtDoY7S84IzhgvCCTXHfVnk3SKtPKQ64ThvS3LySP36UDq8ttaWCwKa/u WbwA== X-Gm-Message-State: APjAAAWTDzKgTDvXqI/HPwzANO11SET52PuAbIsr/q6eBuu97+QZwN5t M9MlOUdhTILUWiJSJZ9yvcJdRDRjP22ht+bfzdA= X-Google-Smtp-Source: APXvYqxFOxriGueyqjeMMOoDUGmhwUCsDbKcuPj4+XvFkQ+UYCZuke4fKoOwe7EROHF2o3WFMpRvlIy61ydiyT0UA9o= X-Received: by 2002:a2e:7d0c:: with SMTP id y12mr15622493ljc.36.1564599227225; Wed, 31 Jul 2019 11:53:47 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Greg Mirsky Date: Wed, 31 Jul 2019 14:53:36 -0400 Message-ID: To: "Brian Trammell (IETF)" Cc: IPPM Chairs , IETF IPPM WG Content-Type: multipart/alternative; boundary="00000000000027a6a8058efea519" Archived-At: Subject: Re: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Jul 2019 18:53:53 -0000 --00000000000027a6a8058efea519 Content-Type: text/plain; charset="UTF-8" Dear Authors, thank you for bringing this proposal for the discussion. When considering WG AP, I use the following criteria: - is the document reasonably well-written; - does it addresses a practical problem; - is the proposed solution viable? On the first point, I commend you - the draft is easy to read. On the second point, I have several questions: - What is the benefit of using Loopback flag in the Trace mode? - Why is it important to limit the applicability of Loopback to only Trace mode? - What is the benefit of collecting the same, as I understand the description, data on the return path to the source? - What is the benefit of using Active flag comparing to existing active OAM protocols? - What is the benefit of using Immediate flag comparing to Postcard-Based Telemetry (PBT) proposal? On the third point, I'd appreciate your clarification on these points: - In which transports (I find that iOAM encapsulation has been proposed for all known transports) you've envisioned to use Loopback flag? - The third bullet in Section 5 refers to a replica of the data packet that follows the same path as the original packet. What controls that replication? - The last paragraph in the Security Consideration section relies on "restricted administrative domain" to mitigate the threat of malicious attacks using a combination of iOAM extensions. That might be the case when operating in a PNF environment, but it is much more challenging to maintain such a trusted domain in VNF environment. How can these new security risks be mitigated in a VNF environment? Appreciate your consideration and clarifications to my questions. Regards, Greg On Thu, Jul 25, 2019 at 2:07 PM Brian Trammell (IETF) wrote: > hi Greg, > > Thanks for the feedback; absolutely, we can do this the normal way. > Authors: let's do a normal two-week adoption call for this document before > publishing the update. > > This adoption call starts now. > > IPPM, please respond to this message with an indication to the mailing > list of your support for adopting draft-mizrahi-ippm-ioam-flags as a > working group document, in partial fulfillment of our charter milestone > "submit a Standards Track draft on inband OAM based measurement > methodologies to the IESG" (obviously, depending on how many documents we > end up sending to the IESG, we may have to change the plurality of this > milestone). If you do not support this, please send a message to the list > explaining why. > > Thanks, cheers, > > Brian (as IPPM co-chair) > > > > On 25 Jul 2019, at 13:15, Greg Mirsky wrote: > > > > Dear Chairs, et al., > > I appreciate that editors of draft-ietf-ippm-ioam-data followed on the > decision of the WG reached at the meeting in Prague to extract material not > directly related to the definition of iOAM data elements from the document. > The new draft was presented earlier this week and generated many comments. > I feel that it would be right to discuss the draft and its relevance to the > charter of the IPPM WG before starting WG adoption poll. > > > > Regards, > > Greg > > --00000000000027a6a8058efea519 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Dear Authors,
thank you for bringing this proposal for= the discussion. When considering WG AP, I use the following criteria:
  • is the document reasonably well-written;
  • does it addr= esses a practical problem;
  • is the proposed solution viable?
    • On the first point, I commend you - the draft is easy to read.
    =
    On the second point, I have several questions:
    • What = is the benefit of using Loopback flag in the Trace mode?
    • Why is it = important to limit the applicability of Loopback to only Trace mode?
      • What is the benefit of collecting the same, as I understand the descripti= on, data on the return path to the source?
    • What is the benefit of u= sing Active flag comparing to existing active OAM protocols?
    • What i= s the benefit of using Immediate flag comparing to Postcard-Based = Telemetry (PBT) proposal?
    On the third point, I'd app= reciate your clarification on these=C2=A0points:
    =
  • In which transports (I find that iOAM encapsulation has been proposed f= or all known transports) you've envisioned to use Loopback flag?
    • The third bullet in Section 5 refers to a replica of the data packet that= follows the same path as the original packet. What controls that replicati= on?
  • The last paragraph in the Security Consideration section relies= on "restricted administrative domain" to mitigate the threat of = malicious attacks using a combination of iOAM extensions. That might be the= case when operating in a PNF environment, but it is much more challenging = to maintain such a trusted domain in VNF environment. How can these new sec= urity risks be mitigated in a VNF environment?
Appreciate you= r consideration and clarifications to my questions.

Regards,
Greg

<= div dir=3D"ltr" class=3D"gmail_attr">On Thu, Jul 25, 2019 at 2:07 PM Brian = Trammell (IETF) <ietf@trammell.ch> wrote:
hi = Greg,

Thanks for the feedback; absolutely, we can do this the normal way. Authors= : let's do a normal two-week adoption call for this document before pub= lishing the update.

This adoption call starts now.

IPPM, please respond to this message with an indication to the mailing list= of your support for adopting draft-mizrahi-ippm-ioam-flags as a working gr= oup document, in partial fulfillment of our charter milestone "submit = a Standards Track draft on inband OAM based measurement methodologies to th= e IESG" (obviously, depending on how many documents we end up sending = to the IESG, we may have to change the plurality of this milestone). If you= do not support this, please send a message to the list explaining why.

Thanks, cheers,

Brian (as IPPM co-chair)


> On 25 Jul 2019, at 13:15, Greg Mirsky <gregimirsky@gmail.com> wrote:
>
> Dear Chairs, et al.,
> I appreciate that editors of draft-ietf-ippm-ioam-data followed on the= decision of the WG reached at the meeting in Prague to extract material no= t directly related to the definition of iOAM data elements from the documen= t. The new draft was presented earlier this week and generated many comment= s. I feel that it would be right to discuss the draft and its relevance to = the charter of the IPPM WG before starting WG adoption poll.
>
> Regards,
> Greg

--00000000000027a6a8058efea519-- From nobody Wed Jul 31 15:40:47 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 39046120086 for ; Wed, 31 Jul 2019 15:40:45 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=quantonium-net.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wZE3adgMx3v0 for ; Wed, 31 Jul 2019 15:40:43 -0700 (PDT) Received: from mail-wr1-x442.google.com (mail-wr1-x442.google.com [IPv6:2a00:1450:4864:20::442]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id EAA73120073 for ; Wed, 31 Jul 2019 15:40:42 -0700 (PDT) Received: by mail-wr1-x442.google.com with SMTP id c2so68185279wrm.8 for ; Wed, 31 Jul 2019 15:40:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quantonium-net.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=BiwEaMjqBdA9mBl8V+PcdTExK8ptjDxyYGPlH8yiSZw=; b=pDh9oQQpYI0yNSYaXT9EhsjM6dU5L1pgjihzxIjhZUB5r0W+UHuQo1BYLorT96ckt5 bi0lSs60PbgOlZmrRa+OEDQDXn4X6Jz2ufNWThFYseDKuZaYp0VcW8BZSk8pBYKtyhbx yu+XqjzAa66VX471V9jx2tGCe8Gsp41DAwLe/JlzcdxbNwejnKdXWjJ5EHBdRxlW+On3 oLvFThKFuRUiLF1R0lxoiabL7HNQF1ygTH312Q2fAwl2wFrcV+4lb8+rIfzrUZiEjw+0 PLpG8wfgVzIxhzq7FoS4CdUqRPtp+NX8ZrlTohHdTCwIGWIPf6DvPYNdkoWRf601jWEz LQcg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=BiwEaMjqBdA9mBl8V+PcdTExK8ptjDxyYGPlH8yiSZw=; b=gQiaggmnxyydr/9fu4gvtKM3ihZ2TNHEEXeEbk9Myuogw8OU39JAyv4tcJvwP261Uw A994c2xt3Tj8rNxvi3JyhKWn+g//ZPalaC+wbt97xFpDcfmt9jez5Z7Jvd0QJKPquCjG Qb2ko400AvIz2qv6EXnmhdWhUta2xTcJPZd/OeEBVCJWSmq6pegHizDBktlRhJwPWObv F4isaRt8UShssHTZ/BPryUI5FyKz5dtliOH+POEUgLL7Yk2yO30D6cT6qr8dnKCC6zjQ S1jASBARouDP1su0EAxm9HdyWYpLtMDR+sNY4bOd7q9xi2Fjarudizbo8vUYsUqZIGrf fo2g== X-Gm-Message-State: APjAAAXVSDZv5qM2/fsraXJ7i8hvtLAqO2lOgIEy6k7043WblwpltJyY tY11ZX/y6UxjshccnpcdeebPfOf5Cy/LwZMnbKw= X-Google-Smtp-Source: APXvYqyGKSQo0b8B19/sBHkETZ4JihKOZi/aqWikpfiFJmj4hXRHQ8u2CbgmS2PZwzSiFiKcXQ92SeXLD60OdCYw32Y= X-Received: by 2002:a5d:51c1:: with SMTP id n1mr2771265wrv.254.1564612841211; Wed, 31 Jul 2019 15:40:41 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Tom Herbert Date: Wed, 31 Jul 2019 15:40:30 -0700 Message-ID: To: Greg Mirsky Cc: "Brian Trammell (IETF)" , IPPM Chairs , IETF IPPM WG Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Archived-At: Subject: Re: [ippm] Adoption call for draft-mizrahi-ippm-ioam-flags Re: Regarding draft-mizrahi-ippm-ioam-flags X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Jul 2019 22:40:45 -0000 On Wed, Jul 31, 2019 at 11:53 AM Greg Mirsky wrote: > > Dear Authors, > thank you for bringing this proposal for the discussion. When considering= WG AP, I use the following criteria: > > is the document reasonably well-written; > does it addresses a practical problem; > is the proposed solution viable? > > On the first point, I commend you - the draft is easy to read. > On the second point, I have several questions: > > What is the benefit of using Loopback flag in the Trace mode? This is unclear to me also. Additionally, I am concerned that protocol blindly reflects the packet back to the source without any regard to what else the packet contains. For instance, if a TCP packet is reflected by ten intermediate nodes this is nonsensical. The possibility of an amplification attack is obvious and in fact mentioned in the security section, however I'm skeptical that the proposed mitigation of rate limiting is sufficient. Minimally, it seems like the reflected packets should be wrapped in ICMP to mitigate spoofing attacks. Also, I wonder if traceroute methodology could be used for tracing, i.e. one sent packet results in at most one return packet (ICMP), to mitigate the amplification problem. Tom > Why is it important to limit the applicability of Loopback to only Trace = mode? > What is the benefit of collecting the same, as I understand the descripti= on, data on the return path to the source? > What is the benefit of using Active flag comparing to existing active OAM= protocols? > What is the benefit of using Immediate flag comparing to Postcard-Based T= elemetry (PBT) proposal? > > On the third point, I'd appreciate your clarification on these points: > > In which transports (I find that iOAM encapsulation has been proposed for= all known transports) you've envisioned to use Loopback flag? > The third bullet in Section 5 refers to a replica of the data packet that= follows the same path as the original packet. What controls that replicati= on? > The last paragraph in the Security Consideration section relies on "restr= icted administrative domain" to mitigate the threat of malicious attacks us= ing a combination of iOAM extensions. That might be the case when operating= in a PNF environment, but it is much more challenging to maintain such a t= rusted domain in VNF environment. How can these new security risks be mitig= ated in a VNF environment? > > Appreciate your consideration and clarifications to my questions. > > Regards, > Greg > > On Thu, Jul 25, 2019 at 2:07 PM Brian Trammell (IETF) = wrote: >> >> hi Greg, >> >> Thanks for the feedback; absolutely, we can do this the normal way. Auth= ors: let's do a normal two-week adoption call for this document before publ= ishing the update. >> >> This adoption call starts now. >> >> IPPM, please respond to this message with an indication to the mailing l= ist of your support for adopting draft-mizrahi-ippm-ioam-flags as a working= group document, in partial fulfillment of our charter milestone "submit a = Standards Track draft on inband OAM based measurement methodologies to the = IESG" (obviously, depending on how many documents we end up sending to the = IESG, we may have to change the plurality of this milestone). If you do not= support this, please send a message to the list explaining why. >> >> Thanks, cheers, >> >> Brian (as IPPM co-chair) >> >> >> > On 25 Jul 2019, at 13:15, Greg Mirsky wrote: >> > >> > Dear Chairs, et al., >> > I appreciate that editors of draft-ietf-ippm-ioam-data followed on the= decision of the WG reached at the meeting in Prague to extract material no= t directly related to the definition of iOAM data elements from the documen= t. The new draft was presented earlier this week and generated many comment= s. I feel that it would be right to discuss the draft and its relevance to = the charter of the IPPM WG before starting WG adoption poll. >> > >> > Regards, >> > Greg >> > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm From nobody Wed Jul 31 17:02:17 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 46C95120110 for ; Wed, 31 Jul 2019 17:02:15 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, HTTPS_HTTP_MISMATCH=0.1, MIME_QP_LONG_LINE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=broadcom.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id d3lWu1dizkEm for ; Wed, 31 Jul 2019 17:02:12 -0700 (PDT) Received: from mail-pg1-x529.google.com (mail-pg1-x529.google.com [IPv6:2607:f8b0:4864:20::529]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id AABDD120108 for ; Wed, 31 Jul 2019 17:02:12 -0700 (PDT) Received: by mail-pg1-x529.google.com with SMTP id i18so32876875pgl.11 for ; Wed, 31 Jul 2019 17:02:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=user-agent:date:subject:from:to:cc:message-id:thread-topic :references:in-reply-to:mime-version; bh=eUXwWAYbAs3RdMCcIGxWg9RKp13fCuYz7nWf6cyL0xo=; b=hGwgecfVmMtCSFxIqhu4bMIQURqivAuJb1xfrbrXBzjqFzlu0yDdbSlE9j0bJqHHlN ICs7EbpwuZPEmll3VsFQldKafPgs0kmCrrZMVeDGNZEYuDW42P5TsmKSltqxmkU+8UeA M0Dg6ujGD1MAM0HHpyEjqyknA3V93wus/qPeM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:user-agent:date:subject:from:to:cc:message-id :thread-topic:references:in-reply-to:mime-version; bh=eUXwWAYbAs3RdMCcIGxWg9RKp13fCuYz7nWf6cyL0xo=; b=cu7d68NQQH9QrZ/KeaAqPDOCS8dN8Ecy9MhG/Unbv03LITu/FSf583SeJal7eUidII e9NjaCSuDCAIsssQKZtPqwwFgxhcu0PYJTMzn+V/S64hR/6bqzGITvf0GwQRomdoqwDC d6USmXestVDmJEVso7UJc822aGAM04kvg/jrbKK0o2YWI77ZBpN66iYgILhTTXkZSX5h dI63Dw8aqyZ7Z125sIVyZiINieF6PcASIJ8I26bdedpfzptJ0qomPO53j8m8D34FbSVQ U2Q9qsjupWKFwVdzExGTYiviCgtP/G11ORnLnP8C5GjXNl7LdZDIYRLe73zansSrdac4 ogQg== X-Gm-Message-State: APjAAAVD8/aonGtdiLrvieiUbWzT3QfDYvFzOwcZCybCsO5s9sF76AhZ urVSL5wyvUawsTN0mJd9WxZzTA== X-Google-Smtp-Source: APXvYqx+rzzKDLfOL8rSk881qN5RmIVfAcOeoZ2lYwTxoJ+3Cd2PQpj/5QIToSaUtYqZC92sMtmyBA== X-Received: by 2002:a62:1ac9:: with SMTP id a192mr10031387pfa.260.1564617731931; Wed, 31 Jul 2019 17:02:11 -0700 (PDT) Received: from [10.58.68.119] ([192.19.222.250]) by smtp.gmail.com with ESMTPSA id a1sm20161005pgh.61.2019.07.31.17.02.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 31 Jul 2019 17:02:11 -0700 (PDT) User-Agent: Microsoft-MacOutlook/10.1b.0.190715 Date: Wed, 31 Jul 2019 17:02:06 -0700 From: Jai Kumar To: Barak Gafni , Tal Mizrahi , IETF IPPM WG CC: IPPM Chairs , Surendra Anubolu , John Lemon Message-ID: <73D7831F-AEB6-4D29-84A6-52FCAB627209@broadcom.com> Thread-Topic: [ippm] Side Meeting: IOAM Immediate Export Draft References: In-Reply-To: Mime-version: 1.0 Content-type: multipart/alternative; boundary="B_3647437330_1247312240" Archived-At: Subject: Re: [ippm] Side Meeting: IOAM Immediate Export Draft X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Aug 2019 00:02:15 -0000 > This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. --B_3647437330_1247312240 Content-type: text/plain; charset="UTF-8" Content-transfer-encoding: quoted-printable Barak, =20 Please include John, Surendra and myself from Broadcom in the design team. =20 We will shortly get back to you with some thoughts on 00 draft. If the alias is active, we can send it there. Let us know. =20 -Jai =20 From: ippm on behalf of Barak Gafni Date: Friday, July 26, 2019 at 8:50 AM To: Tal Mizrahi , IETF IPPM WG Cc: IPPM Chairs Subject: Re: [ippm] Side Meeting: IOAM Immediate Export Draft =20 Hi, =20 Please find below side meeting notes: Friday 26th July 8:30 am Notredam=20 =20 Summary: Group suggestion: for 00 draft we should define the new IOAM option and kee= p single flag which tells =E2=80=9Cimmediate export=E2=80=9D. Additional capabilities wi= ll be discussed towards 01 and beyond The group is asking the chairs to approve the need for a public IETF mailin= g list for a =E2=80=9Cdesign=E2=80=9D team and a public webex to allow the group to prog= ress on a weekly or bi-weekly cadence =20 More details: The option is added / removed by the encap/decap nodes, read by the interme= diate nodes Tianran presented option defined a modified form from draft-song-ippm-postc= ard-based-telemetry-04: =20 0 0 0 1 1 2 2 3 0 7 8 5 6 3 4 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Namespace ID | Flags | action| Hop Count | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | IOAM-Trace-Type | Reserved | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Flow ID (optional) | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Sequence Number (Optional) | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ =20 Below comments came from discussion of the above and the content of immedia= te export to answer: What to export Where to export When to export =20 Discussed potential fields in the option header, beyond 00 draft: Discussed the option to add =E2=80=9Cactions=E2=80=9D, although may change the name The original flags from the flags draft may be reconsidered Overflow may become redundant Active is still relevant=20 Loopback should be considered Immediate export =E2=80=93 whether it is implicit or should be explicit IOAM trace type should stay as is to help collector and trace implementatio= n to maintain consistent node data parsing. Consider whether to have the sequence number and flow id. The interpretatio= n is through the higher layer length. Will be included as optional at the 00= draft Sequence number =E2=80=93 suggestion is to use the e2e sequence number Anyway, agreement is that the sequence number and the flow id go as a pair. Flags should reside in a similar place as at the ioam tracing options Suggest to use the raw export draft to export the data Need to follow up on the raw export Need to clarify the behavior, so the node 0 will follow the captured immedi= ate export option Suggest not to add hop count at this stage, as it adds more complexity to t= he processing, in addition for example to reducing TTL As for the suggestion on the =E2=80=9Cactions=E2=80=9D presented in the meeting Two types =E2=80=93 actions need to get executed by the node vs conditions for an= y execution Conditions =E2=80=93 there are too many, discussion inclined towards not using sp= ecific condition. Going forward the group intend to consider export on excep= tion/alarm without defining what exception/alarm are Log =E2=80=93 needs further discussion. We believe we shouldn=E2=80=99t define what is = the protocol and where should the logging reside. The indication to export i= s what we are using. Need further discussion on export to some preconfigured= collector, export to the source of the packet or record the data locally. Side note regarding rawexport =E2=80=93 consider export reason =E2=80=93 how and if is = it related to the IOAM protocol. Should consider remove it from rawexport? Tal Mizrahi volunteered to write and publish the 00 draft in collaboration = with people who join the design team. =20 Thanks, Barak =20 From: ippm On Behalf Of Tal Mizrahi Sent: Wednesday, July 24, 2019 4:24 PM To: IETF IPPM WG Cc: IPPM Chairs Subject: [ippm] Side Meeting: IOAM Immediate Export Draft =20 Hi, =20 Time: Friday, 8:30-9:45. Room: Coller https://trac.ietf.org/trac/ietf/meeting/wiki/105sidemeetings =20 Details: We are going to hold a side meeting on Friday morning to discuss the outlin= e of the new draft that will describe the immediate export IOAM option. =20 The meeting is open to all, and specifically intended for authors and contr= ibutors of the related IOAM drafts. =20 Minutes will be sent to the list after the meeting. =20 Cheers, Tal. =20 =20 =20 =20 _______________________________________________ ippm mailing list ippm@ietf= .org https://www.ietf.org/mailman/listinfo/ippm=20 --B_3647437330_1247312240 Content-type: text/html; charset="UTF-8" Content-transfer-encoding: quoted-printable

Barak,

 = ;

Please include John, Surendra and myself from = Broadcom in the design team.

 

We will shortly get back to you with some thoughts= on 00 draft.

If the alias is active, we ca= n send it there. Let us know.

 

-Jai

 =

From: ippm <ip= pm-bounces@ietf.org> on behalf of Barak Gafni <gbarak@mellanox.com>=
Date: Friday, July 26, 2019 at 8:50 AM
To: Tal Mizrahi = <tal.mizrahi.phd@gmail.com>, IETF IPPM WG <ippm@ietf.org>
= Cc: IPPM Chairs <ippm-chairs@ietf.org>
Subject: Re: [ipp= m] Side Meeting: IOAM Immediate Export Draft

 

Hi,

 

Please fi= nd below side meeting notes: Friday 26th July 8:30 am Notredam

=  

Summary:

  • Group suggestion: for 00 draft we should define the n= ew IOAM option and keep single flag which tells =E2=80=9Cimmediate export=E2=80=9D. Addi= tional capabilities will be discussed towards 01 and beyond
    • <= li class=3DMsoListParagraph style=3D'margin-left:0in;mso-list:l1 level1 lfo1'>Th= e group is asking the chairs to approve the need for a public IETF mailing l= ist for a =E2=80=9Cdesign=E2=80=9D team and a public webex to allow the group to progres= s on a weekly or bi-weekly cadence

&n= bsp;

More details:

  • The option is added / removed by the encap/decap n= odes, read by the intermediate nodes
  • Tianran presented option defined a modified form from draft= -song-ippm-postcard-based-telemetry-04:

 

  = ;     0        &= nbsp;    0 0        &= nbsp;    1 1        &= nbsp;    2 2        &= nbsp;    3

   = ;    0         &= nbsp;   7 8         &= nbsp;   5 6         &= nbsp;   3 4         &= nbsp;   1

    = ;  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

      |  &= nbsp;     Namespace ID     &nbs= p;     | Flags | action|  Hop Count   &nb= sp;|

      +-+-+-+= -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+=

      |    &nbs= p;    IOAM-Trace-Type      &nbs= p;            &n= bsp;   |  Reserved     |

      +-+-+-+-+-+-+-+-+-+-+-+-+-+-= +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

 = ;     |        &= nbsp;            = ;    Flow ID (optional)      &n= bsp;            = |

      +-+-+-+-+= -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

      |     =             &nbs= p;   Sequence Number  (Optional)     = ;          |<= /p>

https://trac.ietf.org/trac/ietf/meeti= ng/wiki/105sidemeetings

&nbs= p;

Details:

=

We are going to hold a side meeting on Friday = morning to discuss the outline of the new draft that will describe the immed= iate export IOAM option.

 <= o:p>

The meeting is open to all, and = specifically intended for authors and contributors of the related IOAM draft= s.

 

Minutes will be sent to the list after the meeting.

 

Cheers,

Tal.

 

 

 

 

=

_______________________________________________ ippm mail= ing list ippm@ietf.org https://www.ietf.org/mailman/listinfo/ippm

--B_3647437330_1247312240-- From nobody Wed Jul 31 18:56:30 2019 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 548E612010C; Wed, 31 Jul 2019 18:56:28 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.199 X-Spam-Level: X-Spam-Status: No, score=-4.199 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9lYEupCjXzhn; Wed, 31 Jul 2019 18:56:25 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5E0BD1200B9; Wed, 31 Jul 2019 18:56:25 -0700 (PDT) Received: from lhreml704-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id 139A890B62AD2B465512; Thu, 1 Aug 2019 02:56:23 +0100 (IST) Received: from NKGEML411-HUB.china.huawei.com (10.98.56.70) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.408.0; Thu, 1 Aug 2019 02:56:22 +0100 Received: from NKGEML515-MBX.china.huawei.com ([fe80::a54a:89d2:c471:ff]) by nkgeml411-hub.china.huawei.com ([10.98.56.70]) with mapi id 14.03.0439.000; Thu, 1 Aug 2019 09:52:57 +0800 From: Tianran Zhou To: Jai Kumar , Barak Gafni , Tal Mizrahi , IETF IPPM WG CC: Surendra Anubolu , IPPM Chairs Thread-Topic: [ippm] Side Meeting: IOAM Immediate Export Draft Thread-Index: AQHVQl3OAdfEhb40iEOrFRWYallI16bciLAAgAhlLQCAAKSssA== Date: Thu, 1 Aug 2019 01:52:56 +0000 Message-ID: References: <73D7831F-AEB6-4D29-84A6-52FCAB627209@broadcom.com> In-Reply-To: <73D7831F-AEB6-4D29-84A6-52FCAB627209@broadcom.com> 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