From nobody Thu Jul 2 06:47:22 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CB8CB1A8AC1 for ; Thu, 2 Jul 2015 06:47:20 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.9 X-Spam-Level: X-Spam-Status: No, score=-3.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, GB_I_LETTER=-2, RCVD_IN_DNSWL_NONE=-0.0001] autolearn=ham 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 waKMUQnNbKCC for ; Thu, 2 Jul 2015 06:47:19 -0700 (PDT) Received: from nm11-vm2.bullet.mail.ne1.yahoo.com (nm11-vm2.bullet.mail.ne1.yahoo.com [98.138.90.159]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id EE6B61A8A15 for ; Thu, 2 Jul 2015 06:47:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1435844839; bh=EesyhV3FuBYmnw9cE4ZgL0/j0A+VDyRQGQ9f5SHSwf4=; h=Date:From:Reply-To:To:Cc:In-Reply-To:References:Subject:From:Subject; b=eVoS3UYPDdzQIG5zdn2pRxpB4JzdfUn+nYloKQHVsoEjhDtkYZ08ur4DymUlS3OinEpGZZiZotoYaL9urFMHgcPWS5gkyd/XM5T8bUs4tV2FHh5JICOmpkCxCp0/s8idl22DaqFOxVX+1nUnuVLtiaC+tC6+JFclImbn3Dji4yHOFvzNstz9YDX3iR+NldbmzGt684jm3kkISxorXdq/kuZCgbT5Eo5oqnl3PyyjuNlQUDKi/rs5l/lgAHOi6j0lHw5Pbby5UcNbcWtxTVjJd4l+LQdTxnguLzD2/ROoNbpXLKr9USb/qlnreuLONc7jYWWHQDrq6Wl91KxtUmYIyQ== Received: from [98.138.100.117] by nm11.bullet.mail.ne1.yahoo.com with NNFMP; 02 Jul 2015 13:47:19 -0000 Received: from [98.138.89.233] by tm108.bullet.mail.ne1.yahoo.com with NNFMP; 02 Jul 2015 13:47:18 -0000 Received: from [127.0.0.1] by omp1048.mail.ne1.yahoo.com with NNFMP; 02 Jul 2015 13:47:18 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 398610.81458.bm@omp1048.mail.ne1.yahoo.com X-YMail-OSG: DcykpHIVM1m2hrtfqUe041N1ISuYy8pGYuO.IH20fIDRV9QKvUgo7aGI77MuBe6 v08qD.pWgQLJjCdXses.v1I6rXCqZRzSk29QzOZkruvEau0HjbdML__Cw.nBlv3ieb2zTFQY5g8_ tVRHAOocalKspekpauVpZFdQ4uKsHTxSqXazS5.VA8b3r7JMZSpWU64aAfmnxkn83qA_KD8GtwHT fyO3DhJv1O9ehAc_HLDVLzjoyTDsGl7OqGez1T9.5f28YWJWijDF9Ni2f.UH0118x7A34sIc2kPb IJS4QODxSmoVJElLae_IJC5MXixRd_8mu0qb3PTOZM6t4zvAPmchE0Fa_u_Igvh9gx_0jpJMVRCF KoC0tvQuVijk1hG6vT9fINk3cH0XSU4p3eDI0CdHX6TbM_PfsjqrEExKQXK.2hLlZ2uOhv9P5Us7 BTO79zi8oqH1.o3C7a9UoXkuTVz4TTIjwYmjSCqOF4lvhTolb10yBCkq.aRLxmqP8YtJ_b6SGwTj JfZJ3UKys65SM.TgBPEAjY8b32TmHAxbMqliWCopb6fN8nfdngB0lz1Jitmo- Received: by 98.138.101.161; Thu, 02 Jul 2015 13:47:18 +0000 Date: Thu, 2 Jul 2015 13:47:18 +0000 (UTC) From: Nalini Elkins To: IPPM IETF Message-ID: <633344114.209978.1435844838557.JavaMail.yahoo@mail.yahoo.com> In-Reply-To: <20150630181441.21450.45023.idtracker@ietfa.amsl.com> References: <20150630181441.21450.45023.idtracker@ietfa.amsl.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Archived-At: Cc: "C \(AL\)" Subject: Re: [ippm] I-D Action: draft-ietf-ippm-active-passive-00.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 Precedence: list Reply-To: Nalini Elkins List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Jul 2015 13:47:20 -0000 Al, My comments below: 3.4, #3: a priori doesn't have an apostrophe. Ditto 3.8, paragraph 1. Ditto 4.1, #2 3.8, bullet 2: first "of" ==> "or" 4.1, chart: the labels on the various data points are quite long. It may not be obvious that they *are* labels on data points. Perhaps they could get single letter designations, with a seperate key to identify each. It would also help to have "Max" and "Min" outside the y axis, so it is clear that they are not points as well. 5. Security Considerations - this appears to consider only privacy. In our work on implementation of PDM, we have seen that resource depletion type attacks (ex. SYN flood), etc may be created. This type of attack, of course, is known. But, it must be considered in implementation. Additionally, considerations of what a Man-in-the-middle (MITM) may see with unencrypted data has come up. I do not believe that viewing either the active testing or hybrid additions give the potential attacker any information. But, I wonder if you want to discuss this. We will be discussing this in our PDM draft. Thanks, Nalini Elkins Inside Products, Inc. (831) 659-8360 www.insidethestack.com ________________________________ From: "internet-drafts@ietf.org" To: i-d-announce@ietf.org Cc: ippm@ietf.org Sent: Tuesday, June 30, 2015 11:14 AM Subject: [ippm] I-D Action: draft-ietf-ippm-active-passive-00.txt A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the IP Performance Metrics Working Group of the IETF. Title : Active and Passive Metrics and Methods (and everything in-between, or Hybrid) Author : Al Morton Filename : draft-ietf-ippm-active-passive-00.txt Pages : 11 Date : 2015-06-30 Abstract: This memo provides clear definitions for Active and Passive performance assessment. The construction of Metrics and Methods can be described as Active or Passive. Some methods may use a subset of both active and passive attributes, and we refer to these as Hybrid Methods. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ippm-active-passive/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-ippm-active-passive-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/ _______________________________________________ ippm mailing list ippm@ietf.org https://www.ietf.org/mailman/listinfo/ippm From nobody Thu Jul 2 06:50:34 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E73B61A00A8 for ; Thu, 2 Jul 2015 06:50:32 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -5.611 X-Spam-Level: X-Spam-Status: No, score=-5.611 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, GB_I_LETTER=-2, J_CHICKENPOX_12=0.6, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=ham 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 ynr87tgnT2BZ for ; Thu, 2 Jul 2015 06:50:31 -0700 (PDT) Received: from mail-pink.research.att.com (mail-pink.research.att.com [204.178.8.22]) by ietfa.amsl.com (Postfix) with ESMTP id 7EFF91A8F42 for ; Thu, 2 Jul 2015 06:50:30 -0700 (PDT) Received: from mail-green.research.att.com (H-135-207-255-15.research.att.com [135.207.255.15]) by mail-pink.research.att.com (Postfix) with ESMTP id 9142E12117B; Thu, 2 Jul 2015 10:12:42 -0400 (EDT) Received: from exchange.research.att.com (sentinel.research.att.com [135.207.255.38]) by mail-green.research.att.com (Postfix) with ESMTP id AE28EE2C5F; Thu, 2 Jul 2015 09:49:43 -0400 (EDT) Received: from NJFPSRVEXG0.research.att.com ([fe80::108a:1006:9f54:fd90]) by sentinel.research.att.com ([fe80::7914:9c7e:6a73:a8d6%10]) with mapi; Thu, 2 Jul 2015 09:50:30 -0400 From: "MORTON, ALFRED C (AL)" To: Nalini Elkins , IPPM IETF Date: Thu, 2 Jul 2015 09:50:29 -0400 Thread-Topic: [ippm] I-D Action: draft-ietf-ippm-active-passive-00.txt Thread-Index: AdC0zaQb8+DkE06pT9+PqfZDBahX1AAAE+aQ Message-ID: <4AF73AA205019A4C8A1DDD32C034631D0662C6E646@NJFPSRVEXG0.research.att.com> References: <20150630181441.21450.45023.idtracker@ietfa.amsl.com> <633344114.209978.1435844838557.JavaMail.yahoo@mail.yahoo.com> In-Reply-To: <633344114.209978.1435844838557.JavaMail.yahoo@mail.yahoo.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: Re: [ippm] I-D Action: draft-ietf-ippm-active-passive-00.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 02 Jul 2015 13:50:33 -0000 VGhhbmtzIE5hbGluaSwgSSdtZSBzdXJlIHdlIGNhbiB3b3JrIG91dCByZXNvbHV0aW9ucyB0byB5 b3VyDQpjb21tZW50cy4NCg0KcmVnYXJkcywNCkFsDQoNCg0KPiAtLS0tLU9yaWdpbmFsIE1lc3Nh 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LmlldGYub3JnLg0KPiANCj4gSW50ZXJuZXQtRHJhZnRzIGFyZSBhbHNvIGF2YWlsYWJsZSBieSBh bm9ueW1vdXMgRlRQIGF0Og0KPiBmdHA6Ly9mdHAuaWV0Zi5vcmcvaW50ZXJuZXQtZHJhZnRzLw0K PiANCj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18NCj4g aXBwbSBtYWlsaW5nIGxpc3QNCj4gaXBwbUBpZXRmLm9yZw0KPiBodHRwczovL3d3dy5pZXRmLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2lwcG0NCg== From nobody Fri Jul 3 09:33:14 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A25261B30AE for ; Fri, 3 Jul 2015 09:33:12 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.26 X-Spam-Level: X-Spam-Status: No, score=-2.26 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HELO_EQ_DE=0.35, RCVD_IN_DNSWL_LOW=-0.7, T_RP_MATCHES_RCVD=-0.01] autolearn=ham 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 9jvUjWwmKX-r for ; Fri, 3 Jul 2015 09:33:11 -0700 (PDT) Received: from mx2.eict.de (mx2.eict.de [212.91.241.168]) by ietfa.amsl.com (Postfix) with ESMTP id 07C6D1B30AB for ; Fri, 3 Jul 2015 09:33:11 -0700 (PDT) Received: by mx2.eict.de (Postfix, from userid 481) id 40E611FF65; Fri, 3 Jul 2015 18:33:10 +0200 (CEST) Received: from mail.eict.de (mx1 [172.16.6.1]) by mx2.eict.de (Postfix) with ESMTP id F23911FF5E; Fri, 3 Jul 2015 18:33:07 +0200 (CEST) Received: from sbs2008.eict.local (sbs2008.intern.eict.de [192.168.2.11]) by mail.eict.de (Postfix) with ESMTP id BCACE378057; Fri, 3 Jul 2015 18:33:07 +0200 (CEST) Received: from SBS2008.eict.local ([fe80::2051:ef24:c7c9:f298]) by SBS2008.eict.local ([fe80::2051:ef24:c7c9:f298%13]) with mapi; Fri, 3 Jul 2015 18:31:55 +0200 From: Kostas Pentikousis To: "ippm@ietf.org" Date: Fri, 3 Jul 2015 18:31:53 +0200 Thread-Topic: TWAMP Data Model updated: draft-cmzrjp-ippm-twamp-yang-01 Thread-Index: AdC1rcVUn8RfV599RyaW8TqShbNwsw== Message-ID: <0C7EDCF89AB9E2478B5D010026CFF4AEB5AB997B91@SBS2008.eict.local> Accept-Language: en-US, de-DE Content-Language: de-DE X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US, de-DE Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Archived-At: Cc: "draft-cmzrjp-ippm-twamp-yang@tools.ietf.org" Subject: [ippm] TWAMP Data Model updated: draft-cmzrjp-ippm-twamp-yang-01 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 03 Jul 2015 16:33:12 -0000 Dear all, We have updated the TWAMP data model draft which in now available at https:= //datatracker.ietf.org/doc/draft-cmzrjp-ippm-twamp-yang/. We would like to thank all those who have provided comments and in particul= ar Greg, Kevin and Robert: All of your suggestions have been taken into con= sideration in this revision. We will come back to you right after the IETF cut-off on Monday with detail= ed answers to your emails sent earlier on the list. Sincere apologies for t= he delay! Best regards, Kostas (on behalf of the authors) From nobody Fri Jul 3 09:33:38 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 779B91B30B2 for ; Fri, 3 Jul 2015 09:33:37 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.912 X-Spam-Level: X-Spam-Status: No, score=-1.912 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=ham 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 UdbI2Sq8zuDI for ; Fri, 3 Jul 2015 09:33:35 -0700 (PDT) Received: from trammell.ch (trammell.ch [5.148.172.66]) by ietfa.amsl.com (Postfix) with ESMTP id 2AB8C1B30B3 for ; Fri, 3 Jul 2015 09:33:35 -0700 (PDT) Received: from [IPv6:2001:470:26:9c2:d30:3368:575e:b753] (unknown [IPv6:2001:470:26:9c2:d30:3368:575e:b753]) by trammell.ch (Postfix) with ESMTPSA id 5884D1A005D for ; Fri, 3 Jul 2015 18:33:04 +0200 (CEST) From: Brian Trammell X-Pgp-Agent: GPGMail 2.5 Content-Type: multipart/signed; boundary="Apple-Mail=_28D795C1-2608-45A4-A44E-11AF89A29030"; protocol="application/pgp-signature"; micalg=pgp-sha512 Date: Fri, 3 Jul 2015 18:33:03 +0200 Message-Id: To: ippm@ietf.org Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2098\)) X-Mailer: Apple Mail (2.2098) Archived-At: Subject: [ippm] Working group status and proposed agenda for Prague X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 03 Jul 2015 16:33:37 -0000 --Apple-Mail=_28D795C1-2608-45A4-A44E-11AF89A29030 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Greetings, all, Here's the current status of the work of the IPPM Working Group = (authors, if I have something wrong here, please correct me.) # Working Group Status # ## Completed Documents ## These documents have completed the working group process and are in RFC = Editor or IESG processing, and should be published as RFCs soon, for = some value of soon. - draft-ietf-ippm-lmap-path is now RFC 7398 - draft-ietf-ippm-rate-problem is now RFC 7497 - draft-ietf-ippm-ipsec-10 is in IESG processing (AD followup): there = are issues with the TWAMP Mode registry that need to get fixed in this = document; this is also blocking progress on = draft-ietf-ippm-type-p-monitor-02. - draft-ietf-ippm-2679-bis-02 and draft-ietf-ippm-2680-bis-02 have been = submitted to the IESG. ## Awaiting Shepherd Writeup ## - draft-ietf-ippm-checksum-trailer-01: WGLC completed, waiting for Al's = shepherd writeup. - draft-ieft-ippm-type-p-monitor-02: WGLC completed, waiting for Brian's = shepherd writeup. This is basically complete, and the document has been = edited to reflect pending changes to the TWAMP Modes registry, but I'll = hold off on sending this up until the IPsec draft is through the queue. ## Ongoing Working Group Items ## - draft-ietf-ippm-model-based-metrics-05: WGLC on -03 completed, led to = revisions. Authors will notify when the new document is ready for second = WGLC. - draft-ietf-ippm-metric-registry-02: Work continues. There does not yet = appear to be an update for Prague. ## New Working Group Items ## - draft-ietf-ippm-6man-pdm-option-00: The Performance and Diagnostic = Metrics Destination Option draft has been accepted as a WG item. - draft-ietf-ippm-active-passive-00: The Active and Passive Metrics and = Methods (And Everything In Between) draft was accepted in Dallas. # Draft Agenda # We're literally the last item on the agenda in Prague this time: an hour = and a half in Athens/Barcelona, 11:50 - 13:20 on Friday 24 July. We = propose the following agenda: ## Administrivia ## - 11:50 (5m): Note well, intro, agenda bashing B. Trammell, B. Cerveny, chairs ## Issues with Working Group Items ## - 11:55 (10m): O/TWAMP Modes Registry issue B. Trammell, B. Cerveny, chairs; A. Morton ## New Working Group Items ## - 12:05 (15m): draft-ietf-ippm-active-passive A. Morton - 12:20 (15m): draft-ietf-ippm-6man-pdm-option N. Elkins ## Existing Working Group Items ## - 12:35 (15m): draft-ietf-ippm-model-based-metrics-06 M. Mathis ## New Individual Items ## - 12:50 (10m) draft-tempia-ippm-p3m-00 G. Fioccola - 13:00 (10m) draft-sp-ippm-monitor-services-kpi-00 S. Sarangapani ## Existing Individual Items ## - 13:10 (10m) draft-cmzrjp-ippm-twamp-yang K. Pentakousis Please send any requested changes to the agenda to = ippm-chairs@tools.ietf.org. Thanks, cheers, Brian (as WG co-chair) --Apple-Mail=_28D795C1-2608-45A4-A44E-11AF89A29030 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQEcBAEBCgAGBQJVlrk/AAoJENt3nsOmbNJcSLwIAKV2PA566weQVoDr1QAelBuX 8L7MxcZsvuxNjg97DLAS+YajqmIlWOoWfKcevb4YEBdiU4RWY1B2vl67O3ZinPkQ H4h83yjOae007uhZeZh6qQN+e1W70Q0eL1yHnOv0xnmFHQU5ig34vEALo2NO8vR8 a1+G8/UcaCwv313xSfvFGF+zpGWoDbgqeComA2/gUDxjWABHAgQu7x7lzDOLEPwD diH6EvRNKSKVLfAUdY7Ktg7yDrpk4fObnG81v9AIkcZ+tdgPn4YWkEHSNDAH3N7P LonBxLXtaLFJSJ1OGnrc7GHE+TGVvr24/TJ7k0eRYcKudbTtZlFPR2K1VZnLaNo= =VlIQ -----END PGP SIGNATURE----- --Apple-Mail=_28D795C1-2608-45A4-A44E-11AF89A29030-- From nobody Fri Jul 3 09:40:59 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BFCB21B30BF for ; 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Fri, 3 Jul 2015 12:40:50 -0400 From: Gregory Mirsky To: "ippm@ietf.org" Thread-Topic: New Version Notification for draft-mirsky-ippm-time-format-01.txt Thread-Index: AQHQta5jNKrDk1G+IEyA+nkMoCxquJ3J8hQw Date: Fri, 3 Jul 2015 16:40:49 +0000 Message-ID: <7347100B5761DC41A166AC17F22DF1121B9FBAA8@eusaamb103.ericsson.se> References: <20150703163612.10563.75076.idtracker@ietfa.amsl.com> In-Reply-To: <20150703163612.10563.75076.idtracker@ietfa.amsl.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [147.117.188.12] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrOLMWRmVeSWpSXmKPExsUyuXRPrC5DyLRQg9WfRS16HrxjdmD0WLLk J1MAYxSXTUpqTmZZapG+XQJXxseu9cwFE4Qr1l88ytTAeEGoi5GTQ0LARGJ743xWCFtM4sK9 9WxdjFwcQgJHGSV+NU6EcpYxSmxbsJkRpIpNwEjixcYedhBbREBZouXbH7C4sECAxJojc5kg 4oESR6Y3s0HYRhKHXjQyg9gsAioS/35cAqrh4OAV8JXYdC8OxBQScJTofewNUsEp4CTR8nUd WCcj0D3fT60Bm8gsIC5x68l8Jog7BSSW7DnPDGGLSrx8/A/qfiWJOa+vMYOMZBbQlFi/Sx+i VVFiSvdDsIN5BQQlTs58wjKBUXQWkqmzEDpmIemYhaRjASPLKkaO0uLUstx0I8NNjMCQPybB 5riDccEny0OMAhyMSjy8CjVTQ4VYE8uKK3MPMUpzsCiJ80r75YUKCaQnlqRmp6YWpBbFF5Xm pBYfYmTi4JRqYOydvFOuK/BQfeidzvz409a/r3P4crx+mrNYkWPFNU0/vVi5VJ5srzfcK+/r RRokPgzU+7Nr785zM092K0i8dGQwWjUvJD5PunaFt8PDE2r/9iwOazvv8P2PyQzHhS2Vhgue /NWVyrLoWHNmvfT1o6cXrv/F/JBBuTzs7MOVBz33yp2dvo3pxE0lluKMREMt5qLiRACQg04j WgIAAA== Archived-At: Subject: [ippm] FW: New Version Notification for draft-mirsky-ippm-time-format-01.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 03 Jul 2015 16:40:56 -0000 RGVhciBBbGwsDQp0aGUgbmV3IHZlcnNpb24gcHJvcG9zZXMgdXNlIG9mIHNpbmdsZSBiaXQtZmxh ZyB0byBuZWdvdGlhdGUgdXNlIG9mIHRpbWVzdGFtcCBmb3JtYXQgaW4gVFdBTVAtQ29udHJvbCBw cm90b2NvbC4NCllvdXIgY29tbWVudHMsIHF1ZXN0aW9ucyBhbmQgc3VnZ2VzdGlvbnMgYXJlIGFs d2F5cyB3ZWxjb21lIGFuZCBncmVhdGx5IGFwcHJlY2lhdGVkLiBXZSdyZSBsb29raW5nIGZvcndh cmQgdG8gY29udGludWUgZGlzY3Vzc2lvbiBpbiBQcmFndWUuDQoNCglSZWdhcmRzLA0KCQlHcmVn DQoNCi0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tDQpGcm9tOiBpbnRlcm5ldC1kcmFmdHNAaWV0 Zi5vcmcgW21haWx0bzppbnRlcm5ldC1kcmFmdHNAaWV0Zi5vcmddIA0KU2VudDogRnJpZGF5LCBK dWx5IDAzLCAyMDE1IDk6MzYgQU0NClRvOiBHcmVnb3J5IE1pcnNreTsgSXNyYWVsIE1laWxpazsg U3VjaGl0IEJhbnNhbDsgR3JlZ29yeSBNaXJza3k7IElzcmFlbCBNZWlsaWs7IFN1Y2hpdCBCYW5z YWw7IFJhbWFuYXRoYW4gTGFrc2htaWthbnRoYW47IFJhbWFuYXRoYW4gTGFrc2htaWthbnRoYW4N ClN1YmplY3Q6IE5ldyBWZXJzaW9uIE5vdGlmaWNhdGlvbiBmb3IgZHJhZnQtbWlyc2t5LWlwcG0t dGltZS1mb3JtYXQtMDEudHh0DQoNCg0KQSBuZXcgdmVyc2lvbiBvZiBJLUQsIGRyYWZ0LW1pcnNr eS1pcHBtLXRpbWUtZm9ybWF0LTAxLnR4dA0KaGFzIGJlZW4gc3VjY2Vzc2Z1bGx5IHN1Ym1pdHRl ZCBieSBHcmVnIE1pcnNreSBhbmQgcG9zdGVkIHRvIHRoZSBJRVRGIHJlcG9zaXRvcnkuDQoNCk5h bWU6CQlkcmFmdC1taXJza3ktaXBwbS10aW1lLWZvcm1hdA0KUmV2aXNpb246CTAxDQpUaXRsZToJ CVN1cHBvcnQgb2YgSUVFRS0xNTg4IHRpbWUgc3RhbXAgZm9ybWF0IGluIFR3by1XYXkgQWN0aXZl IE1lYXN1cmVtZW50IFByb3RvY29sIChUV0FNUCkNCkRvY3VtZW50IGRhdGU6CTIwMTUtMDctMDMN Ckdyb3VwOgkJSW5kaXZpZHVhbCBTdWJtaXNzaW9uDQpQYWdlczoJCTcNClVSTDogICAgICAgICAg ICBodHRwczovL3d3dy5pZXRmLm9yZy9pbnRlcm5ldC1kcmFmdHMvZHJhZnQtbWlyc2t5LWlwcG0t dGltZS1mb3JtYXQtMDEudHh0DQpTdGF0dXM6ICAgICAgICAgaHR0cHM6Ly9kYXRhdHJhY2tlci5p ZXRmLm9yZy9kb2MvZHJhZnQtbWlyc2t5LWlwcG0tdGltZS1mb3JtYXQvDQpIdG1saXplZDogICAg ICAgaHR0cHM6Ly90b29scy5pZXRmLm9yZy9odG1sL2RyYWZ0LW1pcnNreS1pcHBtLXRpbWUtZm9y bWF0LTAxDQpEaWZmOiAgICAgICAgICAgaHR0cHM6Ly93d3cuaWV0Zi5vcmcvcmZjZGlmZj91cmwy PWRyYWZ0LW1pcnNreS1pcHBtLXRpbWUtZm9ybWF0LTAxDQoNCkFic3RyYWN0Og0KICAgVGhpcyBk b2N1bWVudCBkZXNjcmliZXMgYW4gT1BUSU9OQUwgZmVhdHVyZSBmb3IgYWN0aXZlIHBlcmZvcm1h bmNlDQogICBtZWFzdXJlbWVudCBwcm90b2NvbHMgYWxsb3dpbmcgdXNlIG9mIHRpbWUgc3RhbXAg Zm9ybWF0IGRlZmluZWQgaW4NCiAgIElFRUUtMTU4OHYyLTIwMDguDQoNCiAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICANCg0KDQpQbGVhc2Ugbm90ZSB0aGF0IGl0IG1heSB0YWtlIGEgY291cGxlIG9m IG1pbnV0ZXMgZnJvbSB0aGUgdGltZSBvZiBzdWJtaXNzaW9uIHVudGlsIHRoZSBodG1saXplZCB2 ZXJzaW9uIGFuZCBkaWZmIGFyZSBhdmFpbGFibGUgYXQgdG9vbHMuaWV0Zi5vcmcuDQoNClRoZSBJ RVRGIFNlY3JldGFyaWF0DQoNCg== From nobody Mon Jul 6 10:10:24 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8A9691A0430; Mon, 6 Jul 2015 10:10:22 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9] autolearn=ham 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 rGD0J6kVNnj0; Mon, 6 Jul 2015 10:10:21 -0700 (PDT) Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 1DED11A8A7A; Mon, 6 Jul 2015 10:10:21 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: X-Test-IDTracker: no X-IETF-IDTracker: 6.0.4.p1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <20150706171021.20021.85644.idtracker@ietfa.amsl.com> Date: Mon, 06 Jul 2015 10:10:21 -0700 Archived-At: Cc: ippm@ietf.org Subject: [ippm] I-D Action: draft-ietf-ippm-metric-registry-03.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Jul 2015 17:10:22 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the IP Performance Metrics Working Group of the IETF. Title : Registry for Performance Metrics Authors : Marcelo Bagnulo Benoit Claise Philip Eardley Al Morton Aamer Akhter Filename : draft-ietf-ippm-metric-registry-03.txt Pages : 25 Date : 2015-07-06 Abstract: This document defines the IANA Registry for Performance Metrics. This document also gives a set of guidelines for Registered Performance Metric requesters and reviewers. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ippm-metric-registry/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-ippm-metric-registry-03 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ippm-metric-registry-03 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 6 13:52:08 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 931C61B3216; Mon, 6 Jul 2015 13:52:06 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9] autolearn=ham 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 HhDpVk6jT5Br; Mon, 6 Jul 2015 13:52:05 -0700 (PDT) Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 0418D1B3259; Mon, 6 Jul 2015 13:51:33 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: X-Test-IDTracker: no X-IETF-IDTracker: 6.0.4.p1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <20150706205133.16718.31665.idtracker@ietfa.amsl.com> Date: Mon, 06 Jul 2015 13:51:33 -0700 Archived-At: Cc: ippm@ietf.org Subject: [ippm] I-D Action: draft-ietf-ippm-model-based-metrics-06.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Jul 2015 20:52:06 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the IP Performance Metrics Working Group of the IETF. Title : Model Based Metrics for Bulk Transport Capacity Authors : Matt Mathis Al Morton Filename : draft-ietf-ippm-model-based-metrics-06.txt Pages : 47 Date : 2015-07-06 Abstract: We introduce a new class of Model Based Metrics designed to assess if a complete Internet path can be expected to meet a predefined Bulk Transport Performance target by applying a suite of IP diagnostic tests to successive subpaths. The subpath-at-a-time tests can be robustly applied to key infrastructure, such as interconnects or even individual devices, to accurately detect if any part of the infrastructure will prevent any path traversing it from meeting the specified Target Transport Performance. The IP diagnostic tests consist of precomputed traffic patterns and statistical criteria for evaluating packet delivery. The traffic patterns are precomputed to mimic TCP or other transport protocol over a long path but are constructed in such a way that they are independent of the actual details of the subpath under test, end systems or applications. Likewise the success criteria depends on the packet delivery statistics of the subpath, as evaluated against a protocol model applied to the Target Transport Performance. The success criteria also does not depend on the details of the subpath, end systems or application. This makes the measurements open loop, eliminating most of the difficulties encountered by traditional bulk transport metrics. Model based metrics exhibit several important new properties not present in other Bulk Capacity Metrics, including the ability to reason about concatenated or overlapping subpaths. The results are vantage independent which is critical for supporting independent validation of tests results from multiple Measurement Points. This document does not define IP diagnostic tests directly, but provides a framework for designing suites of IP diagnostics tests that are tailored to confirming that infrastructure can meet a predetermined Target Transport Performance. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ippm-model-based-metrics/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-ippm-model-based-metrics-06 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ippm-model-based-metrics-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 Mon Jul 6 17:33:49 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 41FB21A700D for ; Mon, 6 Jul 2015 17:33:47 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -104.201 X-Spam-Level: X-Spam-Status: No, score=-104.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=ham 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 ccK7jSVAc63U for ; Mon, 6 Jul 2015 17:33:45 -0700 (PDT) Received: from usevmg20.ericsson.net (usevmg20.ericsson.net [198.24.6.45]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id AB0E41A8702 for ; 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Wed, 8 Jul 2015 22:34:10 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.912 X-Spam-Level: X-Spam-Status: No, score=-1.912 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=ham 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 f08thR5-aJFI for ; Wed, 8 Jul 2015 22:34:07 -0700 (PDT) Received: from trammell.ch (trammell.ch [5.148.172.66]) by ietfa.amsl.com (Postfix) with ESMTP id EE03C1A9093 for ; Wed, 8 Jul 2015 22:34:06 -0700 (PDT) Received: from [IPv6:2001:470:26:9c2:61f9:1bc6:c857:2ec5] (unknown [IPv6:2001:470:26:9c2:61f9:1bc6:c857:2ec5]) by trammell.ch (Postfix) with ESMTPSA id 487F61A0397 for ; Thu, 9 Jul 2015 07:34:06 +0200 (CEST) From: Brian Trammell X-Pgp-Agent: GPGMail 2.5 Content-Type: multipart/signed; boundary="Apple-Mail=_BD0EEAAC-57AC-4A5E-A929-0FEA3197F9E5"; protocol="application/pgp-signature"; micalg=pgp-sha512 Date: Thu, 9 Jul 2015 07:34:04 +0200 Message-Id: <05D414E3-69FD-49CA-93A6-972917EBD508@trammell.ch> To: ippm@ietf.org Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2098\)) X-Mailer: Apple Mail (2.2098) Archived-At: Subject: [ippm] Revised agenda for IETF 93 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 09 Jul 2015 05:34:10 -0000 --Apple-Mail=_BD0EEAAC-57AC-4A5E-A929-0FEA3197F9E5 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Greetings, all, We've had a couple of other additional requests for time; in order to = accomodate these, we'd like to ask presenters of new individual items to = limit themselves to five minutes in their presentations -- this should = be sufficient to introduce the work and get discussion started on the = list for potential adoption later. The revised agenda is below, and will be posted shortly. Cheers, Brian # IPPM WG DRAFT Agenda - IETF 93, Prague# Friday 24 July 2015 11:50 - 13:20 CEST (9:50 - 11:20 UTC) in room Athens/Barcelona. ## Administrivia ## - 11:50 (5m): Note well, intro, agenda bashing B. Trammell, B. Cerveny, chairs ## Issues with Working Group Items ## - 11:55 (15m): O/TWAMP Modes Registry issue B. Trammell, introduction A. Morton, draft-morton-ippm-owamp-registry-01 ## New Working Group Items ## - 12:10 (15m): draft-ietf-ippm-active-passive A. Morton - 12:25 (15m): draft-ietf-ippm-6man-pdm-option N. Elkins ## Existing Working Group Items ## - 12:40 (10m): draft-ietf-ippm-model-based-metrics-06 M. Mathis ## Individual Items - YANG ## - 12:50 (8m) draft-cmzrjp-ippm-twamp-yang K. Pentikousis - 12:58 (7m) draft-mirsky-ippm-twamp-light-yang G. Mirsky ## New Individual Items ## - 13:05 (5m) draft-mirsky-ippm-time-format G. Mirsky - 13:10 (5m) draft-tempia-ippm-p3m-00 G. Fioccola - 13:15 (5m) draft-sp-ippm-monitor-services-kpi-00 S. Sarangapani --Apple-Mail=_BD0EEAAC-57AC-4A5E-A929-0FEA3197F9E5 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQEcBAEBCgAGBQJVngfMAAoJENt3nsOmbNJcD1wIAJ4zwxZt9Nc/UnjAz2Vc5Uqy J0cLQq143jGtz+WdXCqz6ny65JQsDmHroq6HbWe4oT57hsfzWfuuiSKI52aTIg8p 7FznodJOCOREto2HugNnnIzb3avp1tFvkd3puDyhLDDggOEuEX+PxUeQPExuG2tv uXyFwVY44KusDT+AOnDav+WlPbqpydNLNjdehRmvnp53Ux9MqzQ70xxOtpfbWuw2 3tY0IOoWd6scoplE1W7IK6YSGs5tE1+gsbpoL3X4WUllXmf06w2fRdZjrI8oD805 PQyoDKZ32OMkZBgb8tJ09qX5J2wtZ35bXJg50p7ZKbkDq6J/ewHmRr7JWNhcQ6o= =8H8c -----END PGP SIGNATURE----- --Apple-Mail=_BD0EEAAC-57AC-4A5E-A929-0FEA3197F9E5-- From nobody Thu Jul 9 01:48:01 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D59FC1ACE89 for ; Thu, 9 Jul 2015 01:48:00 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.61 X-Spam-Level: X-Spam-Status: No, score=-3.61 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, J_CHICKENPOX_47=0.6, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=ham 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 t3O_hFIFterH for ; Thu, 9 Jul 2015 01:47:58 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B33571ACE88 for ; Thu, 9 Jul 2015 01:47:57 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml404-hub.china.huawei.com) ([172.18.7.190]) by lhrrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id BUZ14374; Thu, 09 Jul 2015 08:47:55 +0000 (GMT) Received: from SZXEMA414-HUB.china.huawei.com (10.82.72.73) by lhreml404-hub.china.huawei.com (10.201.5.218) with Microsoft SMTP Server (TLS) id 14.3.158.1; Thu, 9 Jul 2015 09:47:54 +0100 Received: from SZXEMA504-MBS.china.huawei.com ([169.254.8.57]) by SZXEMA414-HUB.china.huawei.com ([10.82.72.73]) with mapi id 14.03.0158.001; Thu, 9 Jul 2015 16:47:36 +0800 From: Vero Zheng To: "ippm-chairs@tools.ietf.org" Thread-Topic: Ask for adoption// FW: New Version Notification for draft-chen-ippm-coloring-based-ipfpm-framework-04.txt Thread-Index: AQHQt8E8Tr9ZbICSbU+3MMToGMhabJ3SzmkQ Date: Thu, 9 Jul 2015 08:47:36 +0000 Message-ID: <2EEA459CD95CCB4988BFAFC0F2287B5C5C9FFFF2@SZXEMA504-MBS.china.huawei.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.111.98.239] Content-Type: multipart/alternative; boundary="_000_2EEA459CD95CCB4988BFAFC0F2287B5C5C9FFFF2SZXEMA504MBSchi_" MIME-Version: 1.0 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ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 574E71A906A for ; Thu, 9 Jul 2015 02:34:58 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.312 X-Spam-Level: X-Spam-Status: No, score=-1.312 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, J_CHICKENPOX_47=0.6, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=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 CP4Z9g3XLd3t for ; Thu, 9 Jul 2015 02:34:57 -0700 (PDT) Received: from trammell.ch (trammell.ch [5.148.172.66]) by ietfa.amsl.com (Postfix) with ESMTP id C7C251A8923 for ; Thu, 9 Jul 2015 02:34:56 -0700 (PDT) Received: from nb-10604.ethz.ch (nb-10604.ethz.ch [82.130.102.91]) by trammell.ch (Postfix) with ESMTPSA id 3BCB11A03A2; Thu, 9 Jul 2015 11:34:26 +0200 (CEST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) Content-Type: multipart/signed; boundary="Apple-Mail=_4145F5C2-14F6-4AA5-B11C-EFD7978D537C"; protocol="application/pgp-signature"; micalg=pgp-sha512 X-Pgp-Agent: GPGMail 2.5 From: Brian Trammell In-Reply-To: <2EEA459CD95CCB4988BFAFC0F2287B5C5C9FFFF2@SZXEMA504-MBS.china.huawei.com> Date: Thu, 9 Jul 2015 11:34:26 +0200 Message-Id: <76119085-7B82-4D57-A8FA-3A6C0E841355@trammell.ch> References: <2EEA459CD95CCB4988BFAFC0F2287B5C5C9FFFF2@SZXEMA504-MBS.china.huawei.com> To: Vero Zheng X-Mailer: Apple Mail (2.2102) Archived-At: Cc: "ippm@ietf.org" , "ippm-chairs@tools.ietf.org" , "draft-chen-ippm-coloring-based-ipfpm-framework@tools.ietf.org" Subject: Re: [ippm] Ask for adoption// FW: New Version Notification for draft-chen-ippm-coloring-based-ipfpm-framework-04.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 09 Jul 2015 09:34:58 -0000 --Apple-Mail=_4145F5C2-14F6-4AA5-B11C-EFD7978D537C Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii hi Vero, Given that we're after the deadline for Prague, and people should be I'd = prefer to issue this call for adoption during the Prague meeting. As = we're tight for time, I'd like to start this during the administrative = part of the agenda. Does this work for you? Cheers, Brian > On 09 Jul 2015, at 10:47, Vero Zheng wrote: >=20 > Dear Brian and Bill, >=20 > We have updated the draft-chen-ippm-coloring-based-ipfpm-framework. = Things to be noted that: > 1, The draft has been progressed during the past couple of years and = the mechanism introduced is well understood by the WG. In Dallas, the = major concern was the marking bit selection. > In this revision, we made it explicitly clear that this document does = not define any marking bit selection, any technology would like to = deploy the marking method for performance measurement will define their = own marking bit selection in corresponding document. > = https://tools.ietf.org/html/draft-chen-ippm-coloring-based-ipfpm-framework= -04#page-6 >=20 > 2, There are ongoing discussion of deploy marking method in new = encapsulation technology, such as BIER WG and NOV3 WG. > And in BIER WG, the marking method has been adopted, and two OAM = bits(marking bits) for performance measurement has been allocated in = BIER encapsulationdraft-ietf-bier-mpls-encapsulation . >=20 > 3, There is also discussion of deploy marking method in matured = technology, such as MPLS. > = https://tools.ietf.org/html/draft-bryant-mpls-synonymous-flow-labels-01#pa= ge-2 >=20 > The authors of the document believe this document is now ready for = adoption, we would like the Chairs to start an adoption call. > Comments and suggestions are always welcome. >=20 > BR, > Vero > On behalf of the co-authors >=20 >=20 > -----Original Message----- > From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org] > Sent: Monday, July 06, 2015 3:56 PM > To: Mach Chen; Greg Mirsky; Giuseppe Fioccola; Vero Zheng; Mach Chen; = Greg Mirsky; Giuseppe Fioccola; Vero Zheng > Subject: New Version Notification for = draft-chen-ippm-coloring-based-ipfpm-framework-04.txt >=20 >=20 > A new version of I-D, = draft-chen-ippm-coloring-based-ipfpm-framework-04.txt > has been successfully submitted by Lianshu Zheng and posted to the = IETF repository. >=20 > Name: draft-chen-ippm-coloring-based-ipfpm-framework > Revision: 04 > Title: IP Flow Performance Measurement Framework > Document date: 2015-07-06 > Group: Individual Submission > Pages: 16 > URL: = https://www.ietf.org/internet-drafts/draft-chen-ippm-coloring-based-ipfpm-= framework-04.txt > Status: = https://datatracker.ietf.org/doc/draft-chen-ippm-coloring-based-ipfpm-fram= ework/ > Htmlized: = https://tools.ietf.org/html/draft-chen-ippm-coloring-based-ipfpm-framework= -04 > Diff: = https://www.ietf.org/rfcdiff?url2=3Ddraft-chen-ippm-coloring-based-ipfpm-f= ramework-04 >=20 > Abstract: > This document specifies a measurement method, the IP flow = performance > measurement (IPFPM). With IPFPM, data packets are marked into > different blocks of markers by changing one or more bits of = packets. > No additional delimiting packet is needed and the performance is > measured in-service and in-band without the insertion of additional > traffic. >=20 >=20 >=20 >=20 >=20 > 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. >=20 > The IETF Secretariat >=20 > _______________________________________________ > ippm mailing list > ippm@ietf.org > https://www.ietf.org/mailman/listinfo/ippm --Apple-Mail=_4145F5C2-14F6-4AA5-B11C-EFD7978D537C Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQEcBAEBCgAGBQJVnkAiAAoJENt3nsOmbNJcct0H/0AKi2CyiD6/MqlUUyfr6FxU vshXjmgZ38NQNR16SFd7xvHUr+mMmj0InPkFrGiGx0VJSgCDd6PkIkEXYek//T8M 5pwvVjqUDh7yC02EwK84SNMG1iDdiC81FUO6siPyrfW0vsG7my+7+iVMY4kO8eX3 Iz74wV6rNWnDuPKPfpUimtZvH5BK5JtQu+W9o9sWm7+fDuAYoOjhAEpYex4oxCaY wvjCW13ci4ScMuueNmWjhFRSDpSEKrrZGmzNvl/wW5KqMm+sE8Ty8fNMne/r5c4x jQit2L1ElrdTUsNsGElYcEAnQnJig26XTVJQn5LjvM44AdiS823epx+3vFGQBkc= =Vx9j -----END PGP SIGNATURE----- --Apple-Mail=_4145F5C2-14F6-4AA5-B11C-EFD7978D537C-- From nobody Thu Jul 9 19:25:30 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9D0DC1A86FD for ; Thu, 9 Jul 2015 19:25:28 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.611 X-Spam-Level: X-Spam-Status: No, score=-3.611 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, J_CHICKENPOX_47=0.6, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=ham 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 UAUb6gw2tHq4 for ; Thu, 9 Jul 2015 19:25:26 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 111B31A86FE for ; Thu, 9 Jul 2015 19:25:23 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml405-hub.china.huawei.com) ([172.18.7.190]) by lhrrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id BYP04710; Fri, 10 Jul 2015 02:25:22 +0000 (GMT) Received: from SZXEMA411-HUB.china.huawei.com (10.82.72.70) by lhreml405-hub.china.huawei.com (10.201.5.242) with Microsoft SMTP Server (TLS) id 14.3.158.1; Fri, 10 Jul 2015 03:25:21 +0100 Received: from SZXEMA504-MBS.china.huawei.com ([169.254.8.57]) by szxema411-hub.china.huawei.com ([10.82.72.70]) with mapi id 14.03.0158.001; Fri, 10 Jul 2015 10:25:17 +0800 From: Vero Zheng To: Brian Trammell Thread-Topic: [ippm] Ask for adoption// FW: New Version Notification for draft-chen-ippm-coloring-based-ipfpm-framework-04.txt Thread-Index: AQHQt8E8Tr9ZbICSbU+3MMToGMhabJ3SzmkQ//+Q3ACAAZ/+YA== Date: Fri, 10 Jul 2015 02:25:16 +0000 Message-ID: <2EEA459CD95CCB4988BFAFC0F2287B5C5CA01586@SZXEMA504-MBS.china.huawei.com> References: <2EEA459CD95CCB4988BFAFC0F2287B5C5C9FFFF2@SZXEMA504-MBS.china.huawei.com> <76119085-7B82-4D57-A8FA-3A6C0E841355@trammell.ch> In-Reply-To: <76119085-7B82-4D57-A8FA-3A6C0E841355@trammell.ch> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.111.98.239] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Cc: "ippm@ietf.org" , "ippm-chairs@tools.ietf.org" , "draft-chen-ippm-coloring-based-ipfpm-framework@tools.ietf.org" Subject: Re: [ippm] Ask for adoption// FW: New Version Notification for draft-chen-ippm-coloring-based-ipfpm-framework-04.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 10 Jul 2015 02:25:28 -0000 Hi Brian, Thanks for offering this. This should work.=20 I could also provide one page slide for you, if you see it necessary. Cheers, Vero > -----Original Message----- > From: Brian Trammell [mailto:ietf@trammell.ch] > Sent: Thursday, July 09, 2015 5:34 PM > To: Vero Zheng > Cc: ippm-chairs@tools.ietf.org; > draft-chen-ippm-coloring-based-ipfpm-framework@tools.ietf.org; > ippm@ietf.org > Subject: Re: [ippm] Ask for adoption// FW: New Version Notification for > draft-chen-ippm-coloring-based-ipfpm-framework-04.txt >=20 > hi Vero, >=20 > Given that we're after the deadline for Prague, and people should be I'd = prefer > to issue this call for adoption during the Prague meeting. As we're tight= for > time, I'd like to start this during the administrative part of the agenda= . Does > this work for you? >=20 > Cheers, >=20 > Brian >=20 >=20 > > On 09 Jul 2015, at 10:47, Vero Zheng wrote: > > > > Dear Brian and Bill, > > > > We have updated the draft-chen-ippm-coloring-based-ipfpm-framework. > Things to be noted that: > > 1, The draft has been progressed during the past couple of years and th= e > mechanism introduced is well understood by the WG. In Dallas, the major > concern was the marking bit selection. > > In this revision, we made it explicitly clear that this document does n= ot define > any marking bit selection, any technology would like to deploy the markin= g > method for performance measurement will define their own marking bit > selection in corresponding document. > > > https://tools.ietf.org/html/draft-chen-ippm-coloring-based-ipfpm-framewor= k-0 > 4#page-6 > > > > 2, There are ongoing discussion of deploy marking method in new > encapsulation technology, such as BIER WG and NOV3 WG. > > And in BIER WG, the marking method has been adopted, and two OAM > bits(marking bits) for performance measurement has been allocated in BIER > encapsulationdraft-ietf-bier-mpls-encapsulation . > > > > 3, There is also discussion of deploy marking method in matured technol= ogy, > such as MPLS. > > > https://tools.ietf.org/html/draft-bryant-mpls-synonymous-flow-labels-01#p= age- > 2 > > > > The authors of the document believe this document is now ready for adop= tion, > we would like the Chairs to start an adoption call. > > Comments and suggestions are always welcome. > > > > BR, > > Vero > > On behalf of the co-authors > > > > > > -----Original Message----- > > From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org] > > Sent: Monday, July 06, 2015 3:56 PM > > To: Mach Chen; Greg Mirsky; Giuseppe Fioccola; Vero Zheng; Mach Chen; > Greg Mirsky; Giuseppe Fioccola; Vero Zheng > > Subject: New Version Notification for > draft-chen-ippm-coloring-based-ipfpm-framework-04.txt > > > > > > A new version of I-D, draft-chen-ippm-coloring-based-ipfpm-framework-04= .txt > > has been successfully submitted by Lianshu Zheng and posted to the IETF > repository. > > > > Name: draft-chen-ippm-coloring-based-ipfpm-framework > > Revision: 04 > > Title: IP Flow Performance Measurement Framework > > Document date: 2015-07-06 > > Group: Individual Submission > > Pages: 16 > > URL: > https://www.ietf.org/internet-drafts/draft-chen-ippm-coloring-based-ipfpm= -fra > mework-04.txt > > Status: > https://datatracker.ietf.org/doc/draft-chen-ippm-coloring-based-ipfpm-fra= mew > ork/ > > Htmlized: > https://tools.ietf.org/html/draft-chen-ippm-coloring-based-ipfpm-framewor= k-0 > 4 > > Diff: > https://www.ietf.org/rfcdiff?url2=3Ddraft-chen-ippm-coloring-based-ipfpm-= frame > work-04 > > > > Abstract: > > This document specifies a measurement method, the IP flow > performance > > measurement (IPFPM). With IPFPM, data packets are marked into > > different blocks of markers by changing one or more bits of packets. > > No additional delimiting packet is needed and the performance is > > measured in-service and in-band without the insertion of additional > > traffic. > > > > > > > > > > > > Please note that it may take a couple of minutes from the time of submi= ssion > until the htmlized version and diff are available at tools.ietf.org. > > > > The IETF Secretariat > > > > _______________________________________________ > > ippm mailing list > > ippm@ietf.org > > https://www.ietf.org/mailman/listinfo/ippm From nobody Tue Jul 14 02:40:21 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 67FD91A911B for ; Tue, 14 Jul 2015 02:40:19 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.211 X-Spam-Level: X-Spam-Status: No, score=-4.211 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=ham 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 unCx0z0XsHae for ; Tue, 14 Jul 2015 02:40:17 -0700 (PDT) Received: from mail-pink.research.att.com (mail-pink.research.att.com [204.178.8.22]) by ietfa.amsl.com (Postfix) with ESMTP id D18681A9081 for ; Tue, 14 Jul 2015 02:40:16 -0700 (PDT) Received: from mail-azure.research.att.com (unknown [135.207.255.18]) by mail-pink.research.att.com (Postfix) with ESMTP id 38B20120FE7; Tue, 14 Jul 2015 06:03:04 -0400 (EDT) Received: from exchange.research.att.com (sentinel.research.att.com [135.207.255.38]) by mail-azure.research.att.com (Postfix) with ESMTP id 2E831E24A0; Tue, 14 Jul 2015 05:40:16 -0400 (EDT) Received: from NJFPSRVEXG0.research.att.com ([fe80::108a:1006:9f54:fd90]) by sentinel.research.att.com ([fe80::7914:9c7e:6a73:a8d6%10]) with mapi; Tue, 14 Jul 2015 05:40:16 -0400 From: "MORTON, ALFRED C (AL)" To: Kostas Pentikousis , "ippm@ietf.org" , "D'SOUZA, KEVIN L" Date: Tue, 14 Jul 2015 05:40:13 -0400 Thread-Topic: TWAMP Data Model updated: draft-cmzrjp-ippm-twamp-yang-01 Thread-Index: AdC1rcVUn8RfV599RyaW8TqShbNwswIah4/Q Message-ID: <4AF73AA205019A4C8A1DDD32C034631D0662E2C82E@NJFPSRVEXG0.research.att.com> References: <0C7EDCF89AB9E2478B5D010026CFF4AEB5AB997B91@SBS2008.eict.local> In-Reply-To: <0C7EDCF89AB9E2478B5D010026CFF4AEB5AB997B91@SBS2008.eict.local> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Archived-At: Cc: "draft-cmzrjp-ippm-twamp-yang@tools.ietf.org" Subject: Re: [ippm] TWAMP Data Model updated: draft-cmzrjp-ippm-twamp-yang-01 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 14 Jul 2015 09:40:19 -0000 > -----Original Message----- > From: Kostas Pentikousis [mailto:k.pentikousis@eict.de] ... >=20 > We have updated the TWAMP data model draft which in now available at > https://datatracker.ietf.org/doc/draft-cmzrjp-ippm-twamp-yang/. >=20 > We would like to thank all those who have provided comments and in > particular Greg, Kevin and Robert: All of your suggestions have been > taken into consideration in this revision. >=20 [ACM]=20 Thanks for your comments, Kevin, and for permission to=20 post the response to the list. See below. regards, Al (for the co-authors) [reply] as of June 25, where almost all replies have been executed in 01, and any remaining in next 02 to be published soon. Comments/Questions from Kevin D'Souza As we discussed, here is a list of comments/questions I had on the latest T= WAMP draft. 1. should the maintenance statistics parameters be uint64 size? Or are= these expected to not grow beyond a uint32? [reply] TWAMP Sequence numbers cannot exceed the uint32 limit. It's arguable that packet counts could exceed this value, due to more duplicates than losses. >>we'll investigate counter 32/64, although the decrement feature may not b= e needed. 2. Recommend moving all camelCase elements to use lower case words sep= arated by "-" e.g., sessionSender->session-sender [reply] Agreed to do this in next rev. 3. Recommend moving all ENUMS to typedefs (e.g., mode) or even better = use identity to ensure less of a module revision impact. In either case th= ese definitions should be moved to the front of the module, so they are all= in one place. [reply] We'll look at all ENUMS and convert where it makes sense, probably not all = cases. 4. Recommend that the module be compiled with ietf-strict, which will = require comments to be included in each element [reply] Yes on ietf-strict, probably move ~all descriptions to module at end of dev= elopment. 5. Recommend moving all common definitions (which are reused in the mo= dule) to typedefs (or identity) such as keyId [reply] typedef makes sense for keyId, don't need identity... >>> need to search for other common definitions. 6. Just want to ensure that the model supports TWAMP deployments with = no Control-Client/Server implementation. Perhaps you could add a clarifica= tion in there. [reply] Implicit in the design of the module as features, so implementation can say which features it supports. Also, each TWAMP entity will have admin state i= n=20 the second release, allowing enable/disable function. 7. Wanted to ensure that there is no restriction with supporting a mix= ed environment in relation to the YANG support. For example, the server su= pports a YANG interface but the control-client does not ---- same flexibili= ty needed for session sender/reflector. If not already stated in the RFC, = please add this in somewhere. [reply] Implicit in the design of the module as features, so implementation can say which features it supports. 8. For backward compatibility, may want to state that implementation o= f a YANG interface should not result in the prior interface not being suppo= rted (or is this left to implementation?). I don't want to be in a positio= n where we have to do a hard cut of our systems to a YANG interface once th= at is first supported in a product [reply] This is a implementation detail, it's an question for everyone doing new YA= NG=20 implementation what to support.=20 9. Can I assume that the values retrieved via YANG (i.e., the "ro" dat= a elements) would be identical to the values that would be retrieved via th= e alternate method (e.g., CLI) - or is this an implementation specific cons= ideration? Perhaps this can be clarified in implementation guidance? [reply] CLI of the past has been proprietary, so the YANG module data elements may not map one-to-one with an equivalent CLI data element. Example, packet counters may be differently defined in YANG module and the CLI, or some attribute may not exist in the CLI. The YANG module is intended to avoid restricting standards track protocol implementation. From nobody Wed Jul 15 09:03:31 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6C9761B2EB3 for ; Wed, 15 Jul 2015 09:03:26 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.66 X-Spam-Level: X-Spam-Status: No, score=-1.66 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HELO_EQ_DE=0.35, J_CHICKENPOX_39=0.6, RCVD_IN_DNSWL_LOW=-0.7, T_RP_MATCHES_RCVD=-0.01] autolearn=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 V5XxRkcEgfgW for ; Wed, 15 Jul 2015 09:03:24 -0700 (PDT) Received: from mx2.eict.de (mx2.eict.de [212.91.241.168]) by ietfa.amsl.com (Postfix) with ESMTP id 2FF251B2EB0 for ; Wed, 15 Jul 2015 09:03:24 -0700 (PDT) Received: by mx2.eict.de (Postfix, from userid 481) id 3E7931FF54; Wed, 15 Jul 2015 18:03:23 +0200 (CEST) Received: from mail.eict.de (mx1 [172.16.6.1]) by mx2.eict.de (Postfix) with ESMTP id 67B481FF54; Wed, 15 Jul 2015 18:03:22 +0200 (CEST) Received: from sbs2008.eict.local (sbs2008.intern.eict.de [192.168.2.11]) by mail.eict.de (Postfix) with ESMTP id 3D9E6378057; Wed, 15 Jul 2015 18:03:22 +0200 (CEST) Received: from SBS2008.eict.local ([fe80::2051:ef24:c7c9:f298]) by SBS2008.eict.local ([fe80::2051:ef24:c7c9:f298%13]) with mapi; Wed, 15 Jul 2015 18:02:11 +0200 From: Kostas Pentikousis To: Gregory Mirsky , "draft-cmzrjp-ippm-twamp-yang@tools.ietf.org" Date: Wed, 15 Jul 2015 18:02:09 +0200 Thread-Topic: [ippm] Comments, notes and questions regarding draft-cmzrjp-ippm-twamp-yang Thread-Index: AdBnKIEx5vVVCZm2Q7+EEvr/bMT5mBXyfjUw Message-ID: <0C7EDCF89AB9E2478B5D010026CFF4AEB5AB99800A@SBS2008.eict.local> References: <7347100B5761DC41A166AC17F22DF1121B9397BD@eusaamb103.ericsson.se> In-Reply-To: <7347100B5761DC41A166AC17F22DF1121B9397BD@eusaamb103.ericsson.se> Accept-Language: en-US, de-DE Content-Language: de-DE X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US, de-DE Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Archived-At: Cc: "ippm@ietf.org" Subject: Re: [ippm] Comments, notes and questions regarding draft-cmzrjp-ippm-twamp-yang X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 15 Jul 2015 16:03:26 -0000 Dear Greg, Many thanks for the detailed comments. They certainly assisted us to improv= e the draft and were much appreciated. | many thanks for starting this important work. Please kindly consider my n= otes, | comments and questions to the document: | * is the scope of the document exclusively RFC 5357 or data model include= s other | TWAMP related RFCs, WG documents? As per the YANG module revision description, draft-cmzrjp-ippm-twamp-yang-0= 1 now covers RFC5357, RFC5618, RFC5938, RFC6038 and we took into considerat= ion draft-ietf-ippm-metric-registry. | * section 3.1: does test session identification set includes DSCP set by = Session-Sender? No, we concluded that it's sufficient to use the 4-tuple in Standards-Track= TWAMP. | * section 3.4: 4-tuple (Source/Destination IP addresses and UDP Ports) wo= uld not be unique, | DSCP value required to uniquely identify test session. Each Accepted Test Session is unique because it specifies a different port = for the Session Sender. This is a limitation of the Request-TW-Session Mess= age: there is only one dscp field and one source port field. | * section 4.1: | o 5357 does not provision control of packet padding. What the 'paddingL= ength' | corresponds to in RFC 5357? Reference suggests it is to support RFC 6= 038. | Should RFC 6038 be is separate container as it is optional functional= ity? Section 3.5 of RFC 4656 (OWAMP) describes the Padding Length field, and Sec= tion 3.4 of RFC 5357 references this through re-use of the OWAMP Request-Se= ssion fields. Further, Section 4.2.1 of RFC 5357 requires provisioning of p= acket padding content. | o pmIndex - should reference to Performance Metric Registry be in separ= ate container? Good point, we have updated accordingly (see pm-reg-list in draft-cmzrjp-ip= pm-twamp-yang-01) | * section 4.2: | o dscp of Server is R/O as, per RFC 5357 "The Server SHOULD use the DSC= P of the | Control-Client's TCP SYN in ALL subsequent packets on that connection= (avoiding | any ambiguity in case of re-marking)." This has also been updated, many thanks for bringing it up. |* section 4.3: | o dot1dPriority - QoS mapping usually controlled on global scale, doesn'= t appear | in place in TWAMP data model; Removed. | o packetDistribution - is it a container? Do you think it makes more sense if it is? | o packetDistribution, fixedInterval and fixedIntervalUnits, lambda and l= ambdaUnits | - are not part of RFC 5357 and may be more appropriate in separate con= tainer, | e.g. with reference to Performance Metric Registry (pmIndex) and paddi= ngLength; Yes, this is covered by PM Index, could be in a proprietary extension, in a= container. | o if lastRcvSeq included in the Session-Sender data model, adding RO for= number | of duplicate and out-of-order may be useful. lastRcvSeq (now last-rcv-seq) is intended as a de-bugging aid while a sessi= on is running. | * leaf paddingLength { | type uint32{ | range "64..1500"; | } | I think that jumbo-frames must be allowed as well. Operator may use MTU D= iscovery protocol. Updated accordingly, many thanks. | leaf dscp { | type inet:dscp; | description "The DSCP value used in the header of the TCP | control packets sent by the Server for this control | connection. This will usually be the same value as is | configured for twampServer:dscp under the twampServer. | However, in the event that the user re-configures | twampServer:dscp after this control connection is already | in progress, this read-only value will show the actual | dscp value in use by this control connection."; | } | As noted, RFC 5357 requires (SHOULD) that Server copies DSCP from Control= Client's | TCP SYN, not that DSCP is configured. See reply above. | * section 6 | Although these are presented as only examples (in several places): | 4000 | UDP port, AFAIK, must be from the dynamic or private ports range, i.e. 49= 152 to 65535. Good catch, but I somehow missed it in -01. Local copy of -02 (pending til= l the datatracker is on again) already updated. Thanks! | * general: TWAMP Light is broadly supported by number of implementations.= I believe it | would beneficial to produce TWAMP Light YANG model or ensure that respect= ive | Session-Sender and Session-Reflector models support TWAMP-Light as charac= terized in | Appendix I and relevant accepted Errata. We aim this document towards Standards Track TWAMP and extensions. Best regards, Kostas (as editor, on behalf of the authors) From nobody Wed Jul 15 10:04:31 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 253D51B31D8 for ; Wed, 15 Jul 2015 10:04:30 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.26 X-Spam-Level: X-Spam-Status: No, score=-2.26 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HELO_EQ_DE=0.35, RCVD_IN_DNSWL_LOW=-0.7, T_RP_MATCHES_RCVD=-0.01] autolearn=ham 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 4D7CuefKsRyG for ; Wed, 15 Jul 2015 10:04:26 -0700 (PDT) Received: from mx2.eict.de (mx2.eict.de [212.91.241.168]) by ietfa.amsl.com (Postfix) with ESMTP id 3FED11B2EB3 for ; Wed, 15 Jul 2015 10:04:23 -0700 (PDT) Received: by mx2.eict.de (Postfix, from userid 481) id 555BC1FF5B; Wed, 15 Jul 2015 19:04:22 +0200 (CEST) Received: from mail.eict.de (mx1 [172.16.6.1]) by mx2.eict.de (Postfix) with ESMTP id BF81A1FF54; Wed, 15 Jul 2015 19:04:20 +0200 (CEST) Received: from sbs2008.eict.local (sbs2008.intern.eict.de [192.168.2.11]) by mail.eict.de (Postfix) with ESMTP id 95F0D3780A2; Wed, 15 Jul 2015 19:04:20 +0200 (CEST) Received: from SBS2008.eict.local ([fe80::2051:ef24:c7c9:f298]) by SBS2008.eict.local ([fe80::2051:ef24:c7c9:f298%13]) with mapi; Wed, 15 Jul 2015 19:03:09 +0200 From: Kostas Pentikousis To: Robert Shearman , "draft-cmzrjp-ippm-twamp-yang@tools.ietf.org" Date: Wed, 15 Jul 2015 19:03:08 +0200 Thread-Topic: [ippm] Comments on draft-cmzrjp-ippm-twamp-yang Thread-Index: AdB25Ra0m6NQbQT4QYCCrIWOYv1LwBIMu84A Message-ID: <0C7EDCF89AB9E2478B5D010026CFF4AEB5AB998010@SBS2008.eict.local> References: <552D111F.4030203@brocade.com> In-Reply-To: <552D111F.4030203@brocade.com> Accept-Language: en-US, de-DE Content-Language: de-DE X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US, de-DE Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Cc: "ippm@ietf.org" Subject: Re: [ippm] Comments on draft-cmzrjp-ippm-twamp-yang X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 15 Jul 2015 17:04:30 -0000 RGVhciBSb2IsDQoNCk1hbnkgdGhhbmtzIGZvciB0aGUgZGV0YWlsZWQgYW5kIHRob3JvdWdoIGNv bW1lbnRzIGFuZCBzdWdnZXN0aW9ucyEgVGhleSByZWFsbHkgaGVscGVkIHVzIGltcHJvdmUgdGhl IGRvY3VtZW50Lg0KDQp8IEkgaGF2ZSBzb21lIGNvbW1lbnRzL3F1ZXN0aW9ucyBvbiB0aGlzIGRy YWZ0LiBJJ3ZlIG9yZ2FuaXNlZCB0aGVtIGJ5IHRoZQ0KfCBzZWN0aW9uIHRoZXkgYmVzdCBhcHBs eSB0bywgYWx0aG91Z2ggaW4gc29tZSBjYXNlcyB0aGV5IG1heSBoYXZlIGVmZmVjdHMgb24NCnwg b3RoZXIgc2VjdGlvbnMgYXMgd2VsbC4NCnwgDQp8IFNlY3Rpb24gNC4xOg0KfCANCnwgICAgIGtl 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bSBBcHBlbmRpeCBBLjEgaW4gLTAwPw0KDQogICAgICAgICA8a2V5Y2hhaW4+DQogICAgICAgICAg ICA8a2V5aWQ+S2V5Q2xpZW50MVRvUm91dGVyQTwva2V5aWQ+DQogICAgICAgICAgICA8c2VjcmV0 S2V5PnNlY3JldDE8L3NlY3JldEtleT4NCiAgICAgICAgIDwva2V5Y2hhaW4+DQogICAgICAgICA8 a2V5Y2hhaW4+DQogICAgICAgICAgICA8a2V5aWQ+S2V5Rm9yUm91dGVyQjwva2V5aWQ+DQogICAg ICAgICAgICA8c2VjcmV0S2V5PnNlY3JldDI8L3NlY3JldEtleT4NCiAgICAgICAgIDwva2V5Y2hh aW4+DQoNCkJlc3QgcmVnYXJkcywNCg0KS29zdGFzIChhcyBlZGl0b3IsIG9uIGJlaGFsZiBvZiB0 aGUgYXV0aG9ycykNCg== From nobody Sun Jul 19 15:09:37 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 659DE1B2DB6 for ; Sun, 19 Jul 2015 15:09:35 -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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7] autolearn=ham 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 4S5nK-bydUTk for ; Sun, 19 Jul 2015 15:09:34 -0700 (PDT) Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 41A491B2DB5 for ; Sun, 19 Jul 2015 15:09:34 -0700 (PDT) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id 8B5DC2023F for ; Sun, 19 Jul 2015 18:09:33 -0400 (EDT) Received: from frontend1 ([10.202.2.160]) by compute3.internal (MEProxy); Sun, 19 Jul 2015 18:09:33 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=content-type:date:from:message-id :mime-version:subject:to:x-sasl-enc:x-sasl-enc; s=smtpout; bh=Wa Xwl0SVYI8ik9Nco64gknccDKQ=; b=N0FMdc4shJjJTfaX8qoAKCEM6OGXFEXH9R s7K1cdNxN2738d7FEzi9GnirZqdGLAc1k44UZEeRKHWYJGEgltiYWgL50ryIORa8 yDgJ6h6XipxvRZ31FgkXtGQNHhfPBVB371Uqd5mOOPmLLP2+0s2P90VghFMwaHG6 dks74NlL0= X-Sasl-enc: 7PwCpIGIDeQQEl8IMrrwg+OjWKptp1hN4n9Vqic7v+S4 1437343773 Received: from [192.168.1.105] (96-35-101-179.dhcp.bycy.mi.charter.com [96.35.101.179]) by mail.messagingengine.com (Postfix) with ESMTPA id 403CCC00022 for ; Sun, 19 Jul 2015 18:09:33 -0400 (EDT) From: Bill Cerveny Content-Type: multipart/alternative; boundary="Apple-Mail=_6FDB2437-2B40-48CF-A11B-FE11BA34D8D0" Message-Id: Date: Sun, 19 Jul 2015 18:09:37 -0400 To: ippm@ietf.org Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) X-Mailer: Apple Mail (2.2102) Archived-At: Subject: [ippm] draft-morton-ippm-owamp-registry accepted for adoption and charter milestones need to be updated X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 19 Jul 2015 22:09:35 -0000 --Apple-Mail=_6FDB2437-2B40-48CF-A11B-FE11BA34D8D0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Dear IPPM participants, draft-morton-ippm-owamp-registry has been adopted as a working group = document. Please note that we need to update charter milestone dates for working = group documents that already have milestones and milestones need to be = added for new WG documents. Authors are encouraged to consider what = dates they would like to have associated with the charter milestones for = their working group documents. Regards, Bill Cerveny IPPM co-chair= --Apple-Mail=_6FDB2437-2B40-48CF-A11B-FE11BA34D8D0 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Dear IPPM participants,

draft-morton-ippm-owamp-registry has been = adopted as a working group document.

Please note that we need to update charter = milestone dates for working group documents that already have milestones = and milestones need to be added for new WG documents.  Authors are = encouraged to consider what dates they would like to have associated = with the charter milestones for their working group documents.

Regards,

Bill Cerveny
IPPM co-chair
= --Apple-Mail=_6FDB2437-2B40-48CF-A11B-FE11BA34D8D0-- From nobody Sun Jul 19 23:59:20 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 705F01A009D; Sun, 19 Jul 2015 23:59:17 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9] autolearn=ham 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 yq3a92lZva8E; Sun, 19 Jul 2015 23:59:16 -0700 (PDT) Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 92CEE1A00AC; Sun, 19 Jul 2015 23:59:15 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: X-Test-IDTracker: no X-IETF-IDTracker: 6.0.4.p3 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <20150720065915.1354.77292.idtracker@ietfa.amsl.com> Date: Sun, 19 Jul 2015 23:59:15 -0700 Archived-At: Cc: ippm@ietf.org Subject: [ippm] I-D Action: draft-ietf-ippm-checksum-trailer-02.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 Jul 2015 06:59:17 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the IP Performance Metrics Working Group of the IETF. Title : UDP Checksum Complement in OWAMP and TWAMP Author : Tal Mizrahi Filename : draft-ietf-ippm-checksum-trailer-02.txt Pages : 12 Date : 2015-07-19 Abstract: The One-Way Active Measurement Protocol (OWAMP) and the Two-Way Active Measurement Protocol (TWAMP) are used for performance monitoring in IP networks. Delay measurement is performed in these protocols by using timestamped test packets. Some implementations use hardware-based timestamping engines that integrate the accurate transmission timestamp into every outgoing OWAMP/TWAMP test packet during transmission. Since these packets are transported over UDP, the UDP checksum field is then updated to reflect this modification. This document proposes to use the last 2 octets of every test packet as a Checksum Complement, allowing timestamping engines to reflect the checksum modification in the last 2 octets rather than in the UDP checksum field. The behavior defined in this document is completely interoperable with existing OWAMP/TWAMP implementations. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ippm-checksum-trailer/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-ippm-checksum-trailer-02 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ippm-checksum-trailer-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 20 02:18:30 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4EFAA1A00E9; Mon, 20 Jul 2015 02:18:29 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9] autolearn=ham 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 ng3v4VIUTRHN; Mon, 20 Jul 2015 02:18:28 -0700 (PDT) Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 96A511A000F; Mon, 20 Jul 2015 02:18:27 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: X-Test-IDTracker: no X-IETF-IDTracker: 6.0.4.p3 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <20150720091827.20981.29935.idtracker@ietfa.amsl.com> Date: Mon, 20 Jul 2015 02:18:27 -0700 Archived-At: Cc: ippm@ietf.org Subject: [ippm] I-D Action: draft-ietf-ippm-metric-registry-04.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 Jul 2015 09:18:29 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the IP Performance Metrics Working Group of the IETF. Title : Registry for Performance Metrics Authors : Marcelo Bagnulo Benoit Claise Philip Eardley Al Morton Aamer Akhter Filename : draft-ietf-ippm-metric-registry-04.txt Pages : 26 Date : 2015-07-20 Abstract: This document defines the IANA Registry for Performance Metrics. This document also gives a set of guidelines for Registered Performance Metric requesters and reviewers. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ippm-metric-registry/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-ippm-metric-registry-04 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ippm-metric-registry-04 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 Tue Jul 21 00:10:00 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0A6661AD0B0 for ; Tue, 21 Jul 2015 00:09:59 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.21 X-Spam-Level: X-Spam-Status: No, score=-4.21 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, T_RP_MATCHES_RCVD=-0.01] autolearn=ham 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 l6lLEZWUCnDJ for ; Tue, 21 Jul 2015 00:09:57 -0700 (PDT) Received: from nbfkord-smmo07.seg.att.com (nbfkord-smmo07.seg.att.com [209.65.160.93]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id BD0F11AD0B7 for ; Tue, 21 Jul 2015 00:09:56 -0700 (PDT) Received: from unknown [144.160.229.23] (EHLO alpi154.enaf.aldc.att.com) by nbfkord-smmo07.seg.att.com(mxl_mta-7.2.4-5) over TLS secured channel with ESMTP id 140fda55.0.6397448.00-2191.18075182.nbfkord-smmo07.seg.att.com (envelope-from ); Tue, 21 Jul 2015 07:09:56 +0000 (UTC) X-MXL-Hash: 55adf04437c6a6c8-1fa0680ec895640408b9160ef1a61952bf4edd2a Received: from enaf.aldc.att.com (localhost [127.0.0.1]) by alpi154.enaf.aldc.att.com (8.14.5/8.14.5) with ESMTP id t6L79rtg004734 for ; Tue, 21 Jul 2015 03:09:53 -0400 Received: from alpi133.aldc.att.com (alpi133.aldc.att.com [130.8.217.3]) by alpi154.enaf.aldc.att.com (8.14.5/8.14.5) with ESMTP id t6L79jl3004712 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 21 Jul 2015 03:09:48 -0400 Received: from GAALPA1MSGHUBAA.ITServices.sbc.com (GAALPA1MSGHUBAA.itservices.sbc.com [130.8.218.150]) by alpi133.aldc.att.com (RSA Interceptor) for ; Tue, 21 Jul 2015 07:09:29 GMT Received: from GAALPA1MSGUSRBF.ITServices.sbc.com ([169.254.5.24]) by GAALPA1MSGHUBAA.ITServices.sbc.com ([130.8.218.150]) with mapi id 14.03.0224.002; Tue, 21 Jul 2015 03:09:29 -0400 From: "STARK, BARBARA H" To: "ippm@ietf.org" Thread-Topic: review of draft-ietf-ippm-metric-registry-03 Thread-Index: AdDDD+y3tLoWXB/ISqG16GTQ1S2CNw== Date: Tue, 21 Jul 2015 07:09:29 +0000 Message-ID: <2D09D61DDFA73D4C884805CC7865E61132A79DC6@GAALPA1MSGUSRBF.ITServices.sbc.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [135.70.53.39] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-RSA-Inspected: yes X-RSA-Classifications: public X-AnalysisOut: [v=2.0 cv=IsOphsDg c=1 sm=1 a=VXHOiMMwGAwA+y4G3/O+aw==:17 a] X-AnalysisOut: [=zQP7CpKOAAAA:8 a=XIqpo32RAAAA:8 a=Vv7q6nvpkXEA:10 a=zOBTX] X-AnalysisOut: [jUuO1YA:10 a=EsXsGvV6JRp3bZ5LZkwA:9 a=CjuIK1q_8ugA:10 a=17] X-AnalysisOut: [pc6o-FZLwfYOk8:21 a=QO1zbfxawwXJOfQl:21] X-Spam: [F=0.2000000000; CM=0.500; S=0.200(2014051901)] X-MAIL-FROM: X-SOURCE-IP: [144.160.229.23] Archived-At: Subject: [ippm] review of draft-ietf-ippm-metric-registry-03 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 21 Jul 2015 07:09:59 -0000 At the last IETF I promised to review draft-ietf-ippm-metric-registry-02. I= apologize for not having delivered on that before now. I have reviewed dra= ft-ietf-ippm-metric-registry-03. I'm providing the authors with a marked-up= Word version that includes all my comments and suggested edits (including = nits). Below is a summary of my substantive comments. ------------ The following set of comments fall under the general recommendation to exte= nd the document to serve both the purpose of establishing the IANA Registry= and defining a format that can be used by all "Performance Metrics Registr= ies". This was discussed at the last IETF. in Abstract FROM This document defines the IANA Registry for Performance Metrics. TO This document defines a Performance Metrics Registry format and the IANA Pe= rformance Metrics Registry. 2. Introduction ADD In addition, many other organizations, such as ITU-T and IEEE, also define = protocols and Performance Metrics associated with their protocols. AFTER The "Performance Metrics for Other Layers" (PMOL) concluded WG, defined some Performance Metrics related to Session Initiation Protocol (SIP) voice quality [RFC6035]. FROM This document therefore creates an IANA-maintained Performance Metrics Registry. It also provides best practices on how to specify new entries or update ones in the Performance Metrics Registry. TO This document therefore creates an IANA Performance Metrics Registry and a Performance Metrics Registry format (that will be= usable by IANA=20 and any other organization which wishes to create a Performance Metrics = Registry). It also provides best practices on how to specify new entries or update ones in the IANA Performance Metrics Registry. 3. Terminology [The comments I provided to the authors include many recommended changes, b= ased on the hope the following terminology changes are acceptable. I haven'= t listed all of the changes in this email.] FROM Performance Metric: A Performance Metric is a quantitative measure of performance, targeted to an IETF-specified protocol or targeted to an application transported over an IETF-specified protocol. Examples of Performance Metrics are the FTP response time for a complete file download, the DNS response time to resolve the IP address, a database logging time, etc. This definition is consistent with the definition of metric in [RFC2330] and broader than the definition of performance metric in [RFC6390]. Registered Performance Metric: A Registered Performance Metric (or Registered Metric) is a Performance Metric expressed as an entry in the Performance Metric Registry, administered by IANA. Such a performance metric has met all the registry review criteria defined in this document in order to included in the registry. Performance Metrics Registry: The IANA registry containing Registered Performance Metrics. In this document, it is also called simply "Registry". TO [deleted "IETF-specified" from Performance Metric definition] Performance Metric: A Performance Metric is a quantitative measure of performance, targeted to a protocol or targeted to an application transported over a protocol. Examples of Performance Metrics are the FTP response time for a complete file download, the DNS response time to resolve the IP address, a database logging time, etc. This definition is consistent with the definition of metric in [RFC2330] and broader than the definition of performance metric in [RFC6390]. Registered Performance Metric: A Registered Performance Metric (or Registered Metric) is a Performance Metric expressed as an entry in a Performance Metrics Registry, in the Registry Performance Metric= format. Such a performance metric has met all the registry review criteria defined in this document. IANA Performance Metrics Registry: The IANA registry containing Registered Performance Metrics using the Registry Performance Metrics= format. In this document, it is also called simply "IANA Registry". DELETE Proprietary Registry: A set of metrics that are registered in a proprietary registry, as opposed to Performance Metrics Registry. ADD Performance Metrics Registry: Any Performance Metrics Registry (IANA or tha= t of some other entity) that expresses metrics meeting the criteria defined= in this document in the Performance Metrics Registry format. In this docum= ent, it is also called simply "Registry". 4. Scope FROM This document is meant for two different audiences. =20 TO This document is meant for three different purposes. =20 ADD the following as penultimate paragraph: The third purpose is to define a Performance Metrics Registry format that w= ill be used by the IANA Performance Metrics Registry and other Performance = Metrics Registries. This will be particularly useful to implementation of t= he Large-scale Measurement Platform framework [framework reference] and inf= ormation model [information model reference], who will need to use registri= es for Performance Metrics defined by other entities. =20 5. Motivation for a Performance Metrics Registry ADD before current 5.3: 5.3 Common Performance Metrics Registry Format=20 The Performance Metrics Registry format defined in this document is expecte= d to be used by other entities who want to create a Performance Metrics Reg= istry for the Performance Metrics they define. This will provide them with = the same benefits for their Performance Metrics as those afforded IETF-defi= ned Performance Metrics by the IANA Performance Metrics Registry. It will a= lso allow entries in other Performance Metrics Registries to be referenced = via the LMAP Information Model [information-model]. ------------------------------ Comments unrelated to making this document usable by other Registries In various places, there are statements similar to "we expect that the LMAP control protocol will enable a controller to request a measurement agent to perform a measurement using a given metric by embedding the Performance Metric Registry value in the protocol" I believe this is too vague and suggest: "we expect that the LMAP control protocol will enable a controller to request a measurement agent to perform a measurement using a given metric by embedding the Performance Metrics Registry entry Identifier an= d specific Measurement Method Role in the data transmitted by the protocol" 7. Performance Metrics Registry: Prior attempt=20 I recommend moving Section 7 to a later point in the document, near the end= . 8.1.2. Name I question the need for a prefix (Act_, Pas_, other) as part of the name. I= don't find this so important that it needs to be the first thing people kn= ow about an entry. I don't see why it needs to be part of the name, at all.= This relates to list items 5, 6, 7, 8, and the last paragraph.=20 If 5 and 6 are kept, then 7 might be best as a paragraph and not a list ite= m since it isn't expressing a rule. Item 8 does not express a rule and should be a paragraph at the end of the = section (if 5 and 6 are kept). ----------------------------------- Pervasive nits (details provided in comments to authors) ------------------ 1. Need to decide if the term is "Performance Metrics Registry" or "Perform= ance Metric Registry" and be totally consistent. 2. Need to use various terminology appropriately, per definitions. From nobody Tue Jul 21 09:13:21 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BA6711B2BB2 for ; Tue, 21 Jul 2015 09:13:19 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.302 X-Spam-Level: X-Spam-Status: No, score=-1.302 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, J_CHICKENPOX_102=0.6, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=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 4wUshoY_RDX5 for ; Tue, 21 Jul 2015 09:13:18 -0700 (PDT) Received: from na01-bn1-obe.outbound.protection.outlook.com (mail-bn1on0776.outbound.protection.outlook.com [IPv6:2a01:111:f400:fc10::776]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D709E1B2F50 for ; Tue, 21 Jul 2015 09:13:17 -0700 (PDT) Received: from DM2PR0501MB1501.namprd05.prod.outlook.com (10.161.224.21) by DM2PR0501MB1503.namprd05.prod.outlook.com (10.161.224.23) with Microsoft SMTP Server (TLS) id 15.1.219.17; Tue, 21 Jul 2015 16:13:01 +0000 Received: from DM2PR0501MB1501.namprd05.prod.outlook.com ([10.161.224.21]) by DM2PR0501MB1501.namprd05.prod.outlook.com ([10.161.224.21]) with mapi id 15.01.0213.021; Tue, 21 Jul 2015 16:13:00 +0000 From: Srivathsa Sarangapani To: Kostas Pentikousis , "ippm@ietf.org" Thread-Topic: [ippm] TWAMP Data Model updated: draft-cmzrjp-ippm-twamp-yang-01 Thread-Index: AQHQw9AdnogdifbY5UG3Q1UaE28JXw== Date: Tue, 21 Jul 2015 16:13:00 +0000 Message-ID: References: <0C7EDCF89AB9E2478B5D010026CFF4AEB5AB997B91@SBS2008.eict.local> In-Reply-To: <0C7EDCF89AB9E2478B5D010026CFF4AEB5AB997B91@SBS2008.eict.local> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.5.2.150604 authentication-results: eict.de; dkim=none (message not signed) header.d=none; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [116.197.184.12] x-microsoft-exchange-diagnostics: 1; DM2PR0501MB1503; 5:Krslb6UMmwfO31GihqHYNLiIBiS7C/c+cdjC+6Zd2fzeGSraRdma/UtEgdL2Kt/+nr/X+GaEFJUs53b7DrjZFzBiBdeZE5wys/YHmZT6CG/7CRZ84tw1Mm/tBB4w+22Wyg+03oEefRwz05A0IVWoEQ==; 24:lBkSEfGGHXLRblAIUbFecGExpe2e3vtafvI5YxxE6R3cHTpusn0Mx/ThnoKUHweRqEkqTL7wJhv/jB2sVRAh4e4KdAyhxNTDeHjmz8AoUMQ=; 20:8dF51D6O0HvHxnXHEiQ2tm7a7H1QikaYZWdpxbot1BmvfSOYeXXlTsw1HrcBnXECj2DHo/+NYB+8ts23qcNe8Q== x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:DM2PR0501MB1503; dm2pr0501mb1503: X-MS-Exchange-Organization-RulesExecuted x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-exchange-antispam-report-cfa-test: BCL:0; PCL:0; RULEID:(601004)(5005006)(3002001); SRVR:DM2PR0501MB1503; BCL:0; PCL:0; RULEID:; SRVR:DM2PR0501MB1503; x-forefront-prvs: 0644578634 x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(6009001)(377454003)(13464003)(230783001)(15975445007)(122556002)(189998001)(46102003)(92566002)(77156002)(36756003)(2501003)(5002640100001)(5001770100001)(62966003)(40100003)(102836002)(54356999)(5001960100002)(2950100001)(77096005)(99286002)(4001350100001)(106116001)(19580405001)(86362001)(2656002)(76176999)(87936001)(50986999)(66066001)(19580395003); DIR:OUT; SFP:1102; SCL:1; SRVR:DM2PR0501MB1503; H:DM2PR0501MB1501.namprd05.prod.outlook.com; FPR:; SPF:None; MLV:sfv; LANG:en; Content-Type: text/plain; charset="us-ascii" Content-ID: <7A499C8A165C224A9F88B25A35723AD4@namprd05.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: juniper.net X-MS-Exchange-CrossTenant-originalarrivaltime: 21 Jul 2015 16:13:00.7573 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: bea78b3c-4cdb-4130-854a-1d193232e5f4 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM2PR0501MB1503 Archived-At: Cc: "draft-cmzrjp-ippm-twamp-yang@tools.ietf.org" Subject: Re: [ippm] TWAMP Data Model updated: draft-cmzrjp-ippm-twamp-yang-01 X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 21 Jul 2015 16:13:19 -0000 Hi Kostas, Good document which covers most of the things. I just had some thoughts on some of fields below: Section 5.1: | +--rw repeat? boolean How about making this a uint32 instead of boolean. Currently true means it will run forever and false means it will run for one full iteration. If we make it uint32 and give it a value, the user can decide how many iterations it can run right? Say 0 can indicate infinite iterations(as 0 iterations makes no sense). 1-4294967295 can indicate the number of iterations. Section 5.1: In case of both twamp-session-sender and twamp-session-reflector, can we even store the timestamp of the last-sent-seq and last-rcv-seq packets? Say along with the below fields: | +--ro last-sent-seq? uint32 | +--ro last-rcv-seq? uint32 have 2 more fields | +--ro last-sent-seq-time? uint64 | +--ro last-rcv-seq-time? uint64 This might give more insight on when the last packet was sent and when the last packet was received. Just to understand As anyways TWAMP deals with RTT, storing the time might make sense. How about storing the below values(ro) for UDP Test packets in case of twamp-session-sender: Current Test packet results: Rtt: 57 usec, Egress jitter: -6 usec, Ingress jitter: 5 usec, Round trip jitter: -1 usec, Egress interarrival jitter: 1 usec, Ingress interarrival jitter: 1 usec, Round trip interarrival jitter: 0 usec Results over current test: Packets sent: 5, Packets received: 5, Loss percentage: 0.000000 Measurement: Round trip time Samples: 5, Minimum: 57 usec, Maximum: 58 usec, Average: 58 usec, Peak to peak: 1 usec, Stddev: 0 usec Measurement: Negative egress jitter Samples: 4, Minimum: 6 usec, Maximum: 6 usec, Average: 6 usec, Peak to peak: 0 usec, Stddev: 0 usec Measurement: Positive ingress jitter Samples: 4, Minimum: 5 usec, Maximum: 7 usec, Average: 6 usec, Peak to peak: 2 usec, Stddev: 1 usec Measurement: Positive round trip jitter Samples: 3, Minimum: 0 usec, Maximum: 1 usec, Average: 0 usec, Peak to peak: 1 usec, Stddev: 0 usec Measurement: Negative round trip jitter Samples: 1, Minimum: 1 usec, Maximum: 1 usec, Average: 1 usec, Peak to peak: 0 usec, Stddev: 0 usec Results over all tests: Packets sent: 15, Packets received: 15, Loss percentage: 0.000000 Measurement: Round trip time Samples: 15, Minimum: 57 usec, Maximum: 58 usec, Average: 58 usec, Peak to peak: 1 usec, Stddev: 0 usec Measurement: Negative egress jitter Samples: 14, Minimum: 6 usec, Maximum: 6 usec, Average: 6 usec, Peak to peak: 0 usec, Stddev: 0 usec Measurement: Positive ingress jitter Samples: 14, Minimum: 5 usec, Maximum: 7 usec, Average: 6 usec, Peak to peak: 2 usec, Stddev: 1 usec Measurement: Positive round trip jitter Samples: 10, Minimum: 0 usec, Maximum: 1 usec, Average: 0 usec, Peak to peak: 1 usec, Stddev: 0 usec Measurement: Negative round trip jitter Samples: 04, Minimum: 1 usec, Maximum: 1 usec, Average: 1 usec, Peak to peak: 0 usec, Stddev: 0 usec If you feel it makes sense, then we can work on the type for each of these variables.=20 We can take some of the values and leave the rest. But having some of these values really makes sense in my opinion. --=20 Regards, Vathsa -----Original Message----- From: Kostas Pentikousis Date: Friday, July 3, 2015 at 10:01 PM To: "ippm@ietf.org" Cc: "draft-cmzrjp-ippm-twamp-yang@tools.ietf.org" Subject: [ippm] TWAMP Data Model updated: draft-cmzrjp-ippm-twamp-yang-01 Dear all, We have updated the TWAMP data model draft which in now available at https://datatracker.ietf.org/doc/draft-cmzrjp-ippm-twamp-yang/. We would like to thank all those who have provided comments and in particular Greg, Kevin and Robert: All of your suggestions have been taken into consideration in this revision. We will come back to you right after the IETF cut-off on Monday with detailed answers to your emails sent earlier on the list. Sincere apologies for the delay! Best regards, Kostas (on behalf of the authors) From nobody Wed Jul 22 08:19:17 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AD0671A01FC for ; Wed, 22 Jul 2015 08:19:16 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.91 X-Spam-Level: X-Spam-Status: No, score=-1.91 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, T_RP_MATCHES_RCVD=-0.01] autolearn=ham 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 mNi0IajddpLC for ; Wed, 22 Jul 2015 08:19:14 -0700 (PDT) Received: from mail-out4.uio.no (mail-out4.uio.no [IPv6:2001:700:100:10::15]) (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 4E13D1A0397 for ; Wed, 22 Jul 2015 08:19:14 -0700 (PDT) Received: from mail-mx3.uio.no ([129.240.10.44]) by mail-out4.uio.no with esmtp (Exim 4.80.1) (envelope-from ) id 1ZHvnc-0004c4-Pl for ippm@ietf.org; Wed, 22 Jul 2015 17:19:12 +0200 Received: from dhcp-9b81.meeting.ietf.org ([31.133.155.129] helo=hayesd-laptop) by mail-mx3.uio.no with esmtpsa (TLSv1.2:AES128-GCM-SHA256:128) user davihay (Exim 4.80) (envelope-from ) id 1ZHvnc-0002ip-4f for ippm@ietf.org; Wed, 22 Jul 2015 17:19:12 +0200 Date: Wed, 22 Jul 2015 17:19:04 +0200 From: David Hayes To: ippm@ietf.org Message-ID: <20150722171904.1fb5b3db@hayesd-laptop> Organization: University of Oslo X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.26; x86_64-mageia-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-UiO-SPF-Received: X-UiO-Ratelimit-Test: rcpts/h 1 msgs/h 1 sum rcpts/h 4 sum msgs/h 1 total rcpts 1948 max rcpts/h 38 ratelimit 0 X-UiO-Spam-info: not spam, SpamAssassin (score=-5.0, required=5.0, autolearn=disabled, UIO_MAIL_IS_INTERNAL=-5, uiobl=NO, uiouri=NO) X-UiO-Scanned: E24640E84A143776047ACAC3C5085215F9078015 X-UiO-SPAM-Test: remote_host: 31.133.155.129 spam_score: -49 maxlevel 80 minaction 2 bait 0 mail/h: 1 total 3 max/h 2 blacklist 0 greylist 0 ratelimit 0 X-UiOonly: 361CF664059A47F596605C52C4E0B34F73D8E0A0 Archived-At: Subject: [ippm] RMCAT SBD X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 22 Jul 2015 15:19:16 -0000 Hi! When I presented an update of this work on Shared Bottleneck Detection (SBD) in the RMCAT meeting a few days ago it was suggested that I send a note to the ippm group due to the delay metrics the mechanism uses. The slides for the recent update can be found here: http://www.ietf.org/proceedings/93/slides/slides-93-rmcat-5.pdf The draft can be found here: https://tools.ietf.org/html/draft-ietf-rmcat-sbd-01 The item that prompted this suggestion was the use of a metric based on Mean Absolute Deviation (MAD). Some notes on the context of this work: The mechanism uses summary type statistics describing the shape of flow OWDs in order to distinguish between flows sharing or not sharing a common bottleneck. It is designed to be light weight and store a minimum of state, with potential for having a future OS kernel implementation (though this is not a requirement or need in the RMCAT context where it will be in the browser). MAD (modified to enable 'on the fly' calculation without storing OWD measurements) is used as a variability measure. It is being put forward as a more robust measure (for SBD purposes) than the earlier measure based on a type of PDV measure (max-mean per period T). The purpose of these measures is for grouping flows not for measuring performance, however, the use of these metrics may be of interest to the group. The work may also benefit from the expertise in the ippm community. Kind regards, David PS If you are wondering about the examples at the end of the slides that have significant clock skew and some graph based clustering, these are work in progress and the mechanisms that facilitates these have not yet been annunciated in the draft. -- ------------------------- David Hayes davihay@ifi.uio.no Department of Informatics University of Oslo From nobody Thu Jul 23 04:43:14 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 552371AC42D; Thu, 23 Jul 2015 04:43:12 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.91 X-Spam-Level: X-Spam-Status: No, score=-1.91 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, T_RP_MATCHES_RCVD=-0.01] autolearn=ham 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 M2XMClbelEgB; Thu, 23 Jul 2015 04:43:09 -0700 (PDT) Received: from mail-out4.uio.no (mail-out4.uio.no [IPv6:2001:700:100:10::15]) (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 9E63F1AC41F; Thu, 23 Jul 2015 04:43:09 -0700 (PDT) Received: from mail-mx2.uio.no ([129.240.10.30]) by mail-out4.uio.no with esmtp (Exim 4.80.1) (envelope-from ) id 1ZIEu3-00061d-Nc; Thu, 23 Jul 2015 13:43:07 +0200 Received: from dhcp-9b81.meeting.ietf.org ([31.133.155.129] helo=[192.168.42.61]) by mail-mx2.uio.no with esmtpsa (TLSv1.2:AES128-GCM-SHA256:128) user davihay@ifi.uio.no (Exim 4.80) (envelope-from ) id 1ZIEu3-0002sY-1z; Thu, 23 Jul 2015 13:43:07 +0200 Date: Thu, 23 Jul 2015 13:43:05 +0200 From: David Hayes To: ippm@ietf.org, "rmcat@ietf.org" Message-Id: <1437651785.12450.1@smtp.uio.no> X-Mailer: geary/0.10.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed X-UiO-SPF-Received: X-UiO-Ratelimit-Test: rcpts/h 3 msgs/h 2 sum rcpts/h 4 sum msgs/h 3 total rcpts 323 max rcpts/h 10 ratelimit 0 X-UiO-Spam-info: not spam, SpamAssassin (score=-5.0, required=5.0, autolearn=disabled, UIO_MAIL_IS_INTERNAL=-5, uiobl=NO, uiouri=NO) X-UiO-Scanned: 903739DBCBB60E372AD7797656F287A25944C5D5 X-UiO-SPAM-Test: remote_host: 31.133.155.129 spam_score: -49 maxlevel 80 minaction 2 bait 0 mail/h: 2 total 5 max/h 2 blacklist 0 greylist 0 ratelimit 0 X-UiOonly: C12D9D6F1E6C8B7FE975C0870078FE8A4A1AFADE Archived-At: Subject: [ippm] Fwd: RMCAT SBD X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 23 Jul 2015 11:43:12 -0000 Hi I neglected to put the RMCAT list in the original mail. When responding, please send to both lists. Thanks! David ---------- Forwarded message ---------- From: David Hayes Subject: [ippm] RMCAT SBD Date: Wed, 22 Jul 2015 17:19:04 +0200 To: ippm@ietf.org Hi! When I presented an update of this work on Shared Bottleneck Detection (SBD) in the RMCAT meeting a few days ago it was suggested that I send a note to the ippm group due to the delay metrics the mechanism uses. The slides for the recent update can be found here: http://www.ietf.org/proceedings/93/slides/slides-93-rmcat-5.pdf The draft can be found here: https://tools.ietf.org/html/draft-ietf-rmcat-sbd-01 The item that prompted this suggestion was the use of a metric based on Mean Absolute Deviation (MAD). Some notes on the context of this work: The mechanism uses summary type statistics describing the shape of flow OWDs in order to distinguish between flows sharing or not sharing a common bottleneck. It is designed to be light weight and store a minimum of state, with potential for having a future OS kernel implementation (though this is not a requirement or need in the RMCAT context where it will be in the browser). MAD (modified to enable 'on the fly' calculation without storing OWD measurements) is used as a variability measure. It is being put forward as a more robust measure (for SBD purposes) than the earlier measure based on a type of PDV measure (max-mean per period T). The purpose of these measures is for grouping flows not for measuring performance, however, the use of these metrics may be of interest to the group. The work may also benefit from the expertise in the ippm community. Kind regards, David PS If you are wondering about the examples at the end of the slides that have significant clock skew and some graph based clustering, these are work in progress and the mechanisms that facilitates these have not yet been annunciated in the draft. -- ------------------------- David Hayes davihay@ifi.uio.no Department of Informatics University of Oslo _______________________________________________ ippm mailing list ippm@ietf.org https://www.ietf.org/mailman/listinfo/ippm From nobody Fri Jul 24 02:05:13 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 18F8B1A8761; Fri, 24 Jul 2015 02:05:12 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9] autolearn=ham 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 rDCuGTz8siFM; Fri, 24 Jul 2015 02:05:10 -0700 (PDT) Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id D95E41A011F; Fri, 24 Jul 2015 02:05:10 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: X-Test-IDTracker: no X-IETF-IDTracker: 6.1.0.p3 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <20150724090510.10120.16303.idtracker@ietfa.amsl.com> Date: Fri, 24 Jul 2015 02:05:10 -0700 Archived-At: Cc: ippm@ietf.org Subject: [ippm] I-D Action: draft-ietf-ippm-2679-bis-03.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Jul 2015 09:05:12 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the IP Performance Metrics Working Group of the IETF. Title : A One-Way Delay Metric for IPPM Authors : Guy Almes Sunil Kalidindi Matt Zekauskas Al Morton Filename : draft-ietf-ippm-2679-bis-03.txt Pages : 24 Date : 2015-07-24 Abstract: This memo (RFC 2679 bis) defines a metric for one-way delay of packets across Internet paths. It builds on notions introduced and discussed in the IPPM Framework document, RFC 2330; the reader is assumed to be familiar with that document. This memo makes RFC 2679 obsolete. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ippm-2679-bis/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-ippm-2679-bis-03 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ippm-2679-bis-03 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 Fri Jul 24 02:13:28 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8F4BD1A87E8; Fri, 24 Jul 2015 02:13:25 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9] autolearn=ham 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 MATTLsWyTwNE; Fri, 24 Jul 2015 02:13:23 -0700 (PDT) Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id CFBB91A1A11; Fri, 24 Jul 2015 02:13:23 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: X-Test-IDTracker: no X-IETF-IDTracker: 6.1.0.p3 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <20150724091323.19194.26252.idtracker@ietfa.amsl.com> Date: Fri, 24 Jul 2015 02:13:23 -0700 Archived-At: Cc: ippm@ietf.org Subject: [ippm] I-D Action: draft-ietf-ippm-2680-bis-03.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Jul 2015 09:13:25 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the IP Performance Metrics Working Group of the IETF. Title : A One-Way Loss Metric for IPPM Authors : Guy Almes Sunil Kalidindi Matt Zekauskas Al Morton Filename : draft-ietf-ippm-2680-bis-03.txt Pages : 20 Date : 2015-07-24 Abstract: This memo (RFC 2680 bis) defines a metric for one-way loss of packets across Internet paths. It builds on notions introduced and discussed in the IPPM Framework document, RFC 2330; the reader is assumed to be familiar with that document. This memo makes RFC 2680 obsolete. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ippm-2680-bis/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-ippm-2680-bis-03 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ippm-2680-bis-03 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 Fri Jul 24 04:38:42 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0C6581A8FD6 for ; Fri, 24 Jul 2015 04:38:41 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.211 X-Spam-Level: X-Spam-Status: No, score=-4.211 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=ham 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 JpHUWlrzHXVv for ; Fri, 24 Jul 2015 04:38:40 -0700 (PDT) Received: from mail-pink.research.att.com (mail-pink.research.att.com [204.178.8.22]) by ietfa.amsl.com (Postfix) with ESMTP id 025DE1A8AF6 for ; Fri, 24 Jul 2015 04:38:40 -0700 (PDT) Received: from mail-blue.research.att.com (unknown [135.207.178.11]) by mail-pink.research.att.com (Postfix) with ESMTP id C5DD1120D72; Fri, 24 Jul 2015 08:01:57 -0400 (EDT) Received: from exchange.research.att.com (njfpsrvexg0.research.att.com [135.207.240.40]) by mail-blue.research.att.com (Postfix) with ESMTP id 77972F0411; Fri, 24 Jul 2015 07:38:36 -0400 (EDT) Received: from NJFPSRVEXG0.research.att.com ([fe80::108a:1006:9f54:fd90]) by NJFPSRVEXG0.research.att.com ([fe80::108a:1006:9f54:fd90%25]) with mapi; Fri, 24 Jul 2015 07:38:36 -0400 From: "MORTON, ALFRED C (AL)" To: Bill Cerveny , "ippm@ietf.org" Date: Fri, 24 Jul 2015 07:37:37 -0400 Thread-Topic: [ippm] draft-morton-ippm-owamp-registry accepted for adoption and charter milestones need to be updated Thread-Index: AdDCb6DFSNZSjpVNT1W0FXzxx4U82wDlYMWF Message-ID: <4AF73AA205019A4C8A1DDD32C034631D099E186ADF@NJFPSRVEXG0.research.att.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Archived-At: Subject: Re: [ippm] draft-morton-ippm-owamp-registry accepted for adoption and charter milestones need to be updated X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 24 Jul 2015 11:38:41 -0000 The revised draft awaits chair approval following submission. Regards, Al ________________________________________ From: ippm [ippm-bounces@ietf.org] On Behalf Of Bill Cerveny [ippm@wjcerven= y.com] Sent: Sunday, July 19, 2015 6:09 PM To: ippm@ietf.org Subject: [ippm] draft-morton-ippm-owamp-registry accepted for adoption and = charter milestones need to be updated Dear IPPM participants, draft-morton-ippm-owamp-registry has been adopted as a working group docume= nt. Please note that we need to update charter milestone dates for working grou= p documents that already have milestones and milestones need to be added fo= r new WG documents. Authors are encouraged to consider what dates they wou= ld like to have associated with the charter milestones for their working gr= oup documents. Regards, Bill Cerveny IPPM co-chair From nobody Fri Jul 24 06:06:14 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6B7B91A21A8 for ; Fri, 24 Jul 2015 06:06:13 -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, SPF_PASS=-0.001] autolearn=ham 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 0rBpuE5SdCik for ; Fri, 24 Jul 2015 06:06:11 -0700 (PDT) Received: from mx0a-000f0801.pphosted.com (mx0a-000f0801.pphosted.com [IPv6:2620:100:9001:7a::1]) (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 412311A8788 for ; Fri, 24 Jul 2015 06:06:07 -0700 (PDT) Received: from pps.filterd (m0048193.ppops.net [127.0.0.1]) by mx0a-000f0801.pphosted.com (8.15.0.59/8.15.0.59) with SMTP id t6OCxKK7010950; Fri, 24 Jul 2015 06:05:54 -0700 Received: from hq1wp-exchub01.corp.brocade.com ([144.49.131.13]) by mx0a-000f0801.pphosted.com with ESMTP id 1vu1ry2vw5-5 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Fri, 24 Jul 2015 06:05:54 -0700 Received: from HQ1WP-EXMB12.corp.brocade.com (10.70.20.186) by HQ1WP-EXCHUB01.corp.brocade.com (10.70.36.99) with Microsoft SMTP Server (TLS) id 14.3.123.3; Fri, 24 Jul 2015 06:05:44 -0700 Received: from hq1wp-excas13.corp.brocade.com (10.70.36.103) by HQ1WP-EXMB12.corp.brocade.com (10.70.20.186) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Fri, 24 Jul 2015 06:05:43 -0700 Received: from BRMWP-EXCHUB02.corp.brocade.com (172.16.187.99) by hq1wp-excas13.corp.brocade.com (10.70.36.101) with Microsoft SMTP Server (TLS) id 15.0.1044.25 via Frontend Transport; Fri, 24 Jul 2015 06:05:43 -0700 Received: from EMEAWP-EXMB12.corp.brocade.com (172.29.11.86) by BRMWP-EXCHUB02.corp.brocade.com (172.16.187.99) with Microsoft SMTP Server (TLS) id 14.3.123.3; Fri, 24 Jul 2015 07:05:41 -0600 Received: from [172.27.236.49] (172.27.236.49) by EMEAWP-EXMB12.corp.brocade.com (172.29.11.86) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Fri, 24 Jul 2015 15:05:39 +0200 Message-ID: <55B2381E.5000106@brocade.com> Date: Fri, 24 Jul 2015 14:05:34 +0100 From: Robert Shearman User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.7.0 MIME-Version: 1.0 To: Kostas Pentikousis , "draft-cmzrjp-ippm-twamp-yang@tools.ietf.org" References: <552D111F.4030203@brocade.com> <0C7EDCF89AB9E2478B5D010026CFF4AEB5AB998010@SBS2008.eict.local> In-Reply-To: <0C7EDCF89AB9E2478B5D010026CFF4AEB5AB998010@SBS2008.eict.local> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [172.27.236.49] X-ClientProxiedBy: hq1wp-excas13.corp.brocade.com (10.70.36.103) To EMEAWP-EXMB12.corp.brocade.com (172.29.11.86) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.14.151, 1.0.33, 0.0.0000 definitions=2015-07-24_07:2015-07-22,2015-07-24,1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=7.0.1-1506180000 definitions=main-1507240189 Archived-At: Cc: "ippm@ietf.org" Subject: Re: [ippm] Comments on draft-cmzrjp-ippm-twamp-yang X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 24 Jul 2015 13:06:13 -0000 Hi Kostas, On 15/07/15 18:03, Kostas Pentikousis wrote: > Dear Rob, > > Many thanks for the detailed and thorough comments and suggestions! They really helped us improve the document. You're most welcome. Thanks for taking note of them when drafting -01. > | Section 4.1: > | > | pmIndex Numerical index value of a Registered Metric in the > | Performance Metric Registry [I-D.ietf-ippm-metric-registry]. > | Output Statistics will be specified in the Registry entry. > | > | Perhaps I'm missing something fundamental, or some background information, or > | this is work in progress, but the purpose of I-D.ietf-ippm-metric-registry is > | stated to be: > | > | This document defines the IANA Registry for Performance Metrics. > | This document also gives a set of guidelines for Registered > | Performance Metric requesters and reviewers. > | > | Whilst I can see the usefulness of abstracting out the definition of a > | performance metric, how does the index of the registered metric help in > | retrieval of the output statistics? > > In the registry, each registered metric specifies output statistics. For an example please see https://tools.ietf.org/html/draft-mornuley-ippm-initial-registry-01. In the present registry design, each registered metric produces exactly ONE well-defined output statistic, so in common use it appears to incorporate multiple output statistics (note the introduction of pm-reg-list in draft-cmzrjp-ippm-twamp-yang-01. The output stats are not part of TWAMP or OWAMP. A separate effort is needed to model the communication/collection of output. Ok, thanks. I look forward to seeing the results of that effort. > > | Section 4.1: > | > | What triggers the Control-Client to send the Start-Sessions message? > > In general, it could be triggered programmatically over NETCONF/RESTCONF or using a CLI. We consider this as an operational command, external to the configuration of the system, and out of scope of the data model per se. See also Appendix B. I understand your reasoning, but it would be a shame to not have the mechanism of at least starting TWAMP test sessions standardised, given that it is essential to the ability to use the client at all. > > | > | Section 4.2: > | > | maxCount > | If an attacking system sets the maximum value in Count > | (2**32), then the system under attack would stall for a > | significant period of time while it attempts to generate > | keys. Therefore, TWAMP-compliant systems SHOULD have a > | configuration control to limit the maximum Count value. The > | default maximum Count value SHOULD be 32768. > | > | > | Was this intended to be a server property? > > Yes, it was intended to be a Server property - the Server sends this count in the Server Greeting. Isn't that already covered by the count parameter? count Parameter used in deriving a key from a shared secret as described in Section 3.1 of [RFC4656], and are communicated to the Control-Client as part of the Server Greeting message. count MUST be a power of 2. count MUST be at least 1024. count SHOULD be increased as more computing power becomes common. In other words, I believe the max-count (as now called in -01) property should be removed from the twamp-server container. > | > | Section 4.3: > | > | Allowing properties to be changed at will whilst test sessions are in progress > | may present implementation challenges (i.e. synchronisation with the sending > | of packets). Do we think this is a valid use case? If not, could text be added > | to guide implementors as to the expectations? > > Good point. Perhaps we could discuss further next week in Prague? As I'm sure you've already concluded, this won't be possible :-) However, I'm happy to discuss this further. Feel free to unicast me to discuss a suitable medium if required. > | > | Section 5.2, list twampClientCtrlConnection: > | > | leaf serverStartTime { > | config "false"; > | type uint64; > | } > | > | Should this be exposed in a form more convenient for the operator, such as > | ietf-yang-types:date-and-time? > > Actually, Start-Time is a timestamp representing the time when the current instantiation of the Server started operating. Timestamp format is described in Section 4.1.2 of RFC 4656. > I understand, but what I was getting at is that whilst a uint64 is very convenient for an implementor of the module (no conversion necessary), it might not be the most convenient for the user of the module. > | > | Section 7: > | > | Is there a use case in mind behind the exposing of values that can be used to > | derive the session key on both clients and servers? > | > | The reason for this question is that such information will need to be > | restricted to privileged operators and if the implementation of the management > | interface doesn't support a fine enough grained access control mechanism then > | it could prevent much of the data in this model from being accessible by > | ordinary operators. > > > Are you are referring to this text from Appendix A.1 in -00? > > > KeyClient1ToRouterA > secret1 > > > KeyForRouterB > secret2 > I'm referring to the following twamp-client-ctrl-connection properties: - token - client-iv These are used to derive the session key for the client. And the following twamp-server-ctrl-connection properties: - server-iv - challenge These are used to derive the session key for the server. What I was attempting to say is that since keeping these private is essential to keeping the control and/or test session secure then care needs to be taken in exposing them. Naturally, the easiest way of keeping them secure is to not expose them at all. In conclusion: - if there is no good reason to expose them, I'd suggest removing the twamp-client-ctrl-connection:token, twamp-client-ctrl-connection:client-iv, twamp-server-ctrl-connection:challenge and twamp-server-ctrl-connection:server-iv properties - otherwise, I'd suggest adding a note to the security considerations that read access to these properties should be restricted to avoid the security of TWAMP sessions being compromised. Thanks, Rob From nobody Mon Jul 27 06:51:15 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BBBE21B2DC5 for ; Mon, 27 Jul 2015 06:51:11 -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, SPF_PASS=-0.001] autolearn=ham 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 ga9aXlaHEeE0 for ; Mon, 27 Jul 2015 06:51:01 -0700 (PDT) Received: from mx0a-000f0801.pphosted.com (mx0a-000f0801.pphosted.com [IPv6:2620:100:9001:7a::1]) (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 210EF1B2D91 for ; Mon, 27 Jul 2015 06:50:56 -0700 (PDT) Received: from pps.filterd (m0048193.ppops.net [127.0.0.1]) by mx0a-000f0801.pphosted.com (8.15.0.59/8.15.0.59) with SMTP id t6RD02M1016329; Mon, 27 Jul 2015 06:50:53 -0700 Received: from brmwp-exchub02.corp.brocade.com ([208.47.132.227]) by mx0a-000f0801.pphosted.com with ESMTP id 1vwffersu7-3 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Mon, 27 Jul 2015 06:50:53 -0700 Received: from EMEAWP-EXMB12.corp.brocade.com (172.29.11.86) by BRMWP-EXCHUB02.corp.brocade.com (172.16.187.99) with Microsoft SMTP Server (TLS) id 14.3.123.3; Mon, 27 Jul 2015 07:50:49 -0600 Received: from [172.27.236.49] (172.27.236.49) by EMEAWP-EXMB12.corp.brocade.com (172.29.11.86) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Mon, 27 Jul 2015 15:50:45 +0200 Message-ID: <55B63730.50408@brocade.com> Date: Mon, 27 Jul 2015 14:50:40 +0100 From: Robert Shearman User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.7.0 MIME-Version: 1.0 To: "MORTON, ALFRED C (AL)" , References: <552D111F.4030203@brocade.com> <0C7EDCF89AB9E2478B5D010026CFF4AEB5AB998010@SBS2008.eict.local> <55B2381E.5000106@brocade.com> <4AF73AA205019A4C8A1DDD32C034631D099E08A017@NJFPSRVEXG0.research.att.com> In-Reply-To: <4AF73AA205019A4C8A1DDD32C034631D099E08A017@NJFPSRVEXG0.research.att.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [172.27.236.49] X-ClientProxiedBy: hq1wp-excas11.corp.brocade.com (10.70.36.102) To EMEAWP-EXMB12.corp.brocade.com (172.29.11.86) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.14.151, 1.0.33, 0.0.0000 definitions=2015-07-27_02:2015-07-27,2015-07-26,1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=7.0.1-1506180000 definitions=main-1507270220 Archived-At: Cc: ippm@ietf.org Subject: Re: [ippm] Comments on draft-cmzrjp-ippm-twamp-yang X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 27 Jul 2015 13:51:12 -0000 Hi Al, On 24/07/15 14:41, MORTON, ALFRED C (AL) wrote: > Hi Robert, > >>> Kostas replied: >>> | Section 4.1: >>> | >>> | What triggers the Control-Client to send the Start-Sessions message? >>> >>> In general, it could be triggered programmatically over NETCONF/RESTCONF >> or using a CLI. We consider this as an operational command, external to >> the configuration of the system, and out of scope of the data model per se. >> See also Appendix B. >> >> I understand your reasoning, but it would be a shame to not have the >> mechanism of at least starting TWAMP test sessions standardised, given >> that it is essential to the ability to use the client at all. > > There is a proposal to add time-triggered configuration to > NETCONF, which would seem to meet your need: > https://tools.ietf.org/html/draft-mm-netconf-time-capability-05 > > This draft is currently in IETF-Wide Last Call, so it is worthwhile > to express you opinion on ietf@ietf.org, if you come up with one: > https://datatracker.ietf.org/doc/draft-mm-netconf-time-capability/history/ The twamp-session-request:start-time property would appear to do the same job, namely setting a lower-bound on the time that a session is started? While it doesn't provide the time at which the configuration was actually applied, this isn't actually useful because the configuration results in messages sent to the Control-Server and the protocol doesn't allow the actual time of execution of the message to be returned. Not that I think it would be useful to do anyway. So I don't think this proposal is required in order for draft-cmzrjp-ippm-twamp-yang to specify a mechanism for TWAMP test sessions to be started. Thanks, Rob From nobody Mon Jul 27 07:04:46 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7C8E71B2E01 for ; Mon, 27 Jul 2015 07:04:45 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.26 X-Spam-Level: X-Spam-Status: No, score=-2.26 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HELO_EQ_DE=0.35, RCVD_IN_DNSWL_LOW=-0.7, T_RP_MATCHES_RCVD=-0.01] autolearn=ham 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 Xre8UyYs-sSi for ; Mon, 27 Jul 2015 07:04:43 -0700 (PDT) Received: from mx2.eict.de (mx2.eict.de [212.91.241.168]) by ietfa.amsl.com (Postfix) with ESMTP id 55FA61B2D96 for ; Mon, 27 Jul 2015 07:04:43 -0700 (PDT) Received: by mx2.eict.de (Postfix, from userid 481) id 430221FF52; Mon, 27 Jul 2015 16:04:42 +0200 (CEST) Received: from mail.eict.de (mx1 [172.16.6.1]) by mx2.eict.de (Postfix) with ESMTP id EFD311FF4B; Mon, 27 Jul 2015 16:04:41 +0200 (CEST) Received: from sbs2008.eict.local (sbs2008.intern.eict.de [192.168.2.11]) by mail.eict.de (Postfix) with ESMTP id BA862378269; Mon, 27 Jul 2015 16:04:41 +0200 (CEST) Received: from SBS2008.eict.local ([fe80::2051:ef24:c7c9:f298]) by SBS2008.eict.local ([fe80::2051:ef24:c7c9:f298%13]) with mapi; Mon, 27 Jul 2015 16:03:32 +0200 From: Kostas Pentikousis To: Robert Shearman , "draft-cmzrjp-ippm-twamp-yang@tools.ietf.org" Date: Mon, 27 Jul 2015 16:03:30 +0200 Thread-Topic: AW: [ippm] Comments on draft-cmzrjp-ippm-twamp-yang Thread-Index: AdDGEVkYCuYp8lXTTHilfd+Hf2WKVwCYqVOg Message-ID: <0C7EDCF89AB9E2478B5D010026CFF4AEB5AB99832E@SBS2008.eict.local> References: <552D111F.4030203@brocade.com> <0C7EDCF89AB9E2478B5D010026CFF4AEB5AB998010@SBS2008.eict.local> <55B2381E.5000106@brocade.com> In-Reply-To: <55B2381E.5000106@brocade.com> Accept-Language: en-US, de-DE Content-Language: de-DE X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US, de-DE Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Cc: "ippm@ietf.org" Subject: Re: [ippm] Comments on draft-cmzrjp-ippm-twamp-yang X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 27 Jul 2015 14:04:45 -0000 SGkgUm9iLA0KDQo8c25pcD4NCg0KTWFueSB0aGFua3MgZm9yIHRoZSBjb21tZW50cywgd2hpY2gg d2Ugd2lsbCBwcm9jZXNzIHdpdGggZHVlIGNhcmUuIFRoaXMgaXMganVzdCBhIHNob3J0IG5vdGUg cmVnYXJkaW5nIHRoZSBmb2xsb3dpbmcNCg0KPHNuaXA+DQoNCnwgPiBJbiBnZW5lcmFsLCBpdCBj b3VsZCBiZSB0cmlnZ2VyZWQgcHJvZ3JhbW1hdGljYWxseSBvdmVyIE5FVENPTkYvUkVTVENPTkYg b3INCnwgdXNpbmcgYSBDTEkuIFdlIGNvbnNpZGVyIHRoaXMgYXMgYW4gb3BlcmF0aW9uYWwgY29t bWFuZCwgZXh0ZXJuYWwgdG8gdGhlDQp8IGNvbmZpZ3VyYXRpb24gb2YgdGhlIHN5c3RlbSwgYW5k IG91dCBvZiBzY29wZSBvZiB0aGUgZGF0YSBtb2RlbCBwZXIgc2UuIFNlZQ0KfCBhbHNvIEFwcGVu ZGl4IEIuDQp8IA0KfCBJIHVuZGVyc3RhbmQgeW91ciByZWFzb25pbmcsIGJ1dCBpdCB3b3VsZCBi ZSBhIHNoYW1lIHRvIG5vdCBoYXZlIHRoZSBtZWNoYW5pc20NCnwgb2YgYXQgbGVhc3Qgc3RhcnRp bmcgVFdBTVAgdGVzdCBzZXNzaW9ucyBzdGFuZGFyZGlzZWQsIGdpdmVuIHRoYXQgaXQgaXMNCnwg ZXNzZW50aWFsIHRvIHRoZSBhYmlsaXR5IHRvIHVzZSB0aGUgY2xpZW50IGF0IGFsbC4NCg0KKG5v IGhhdCBvbikgSSBjb3VsZG4ndCBhZ3JlZSBtb3JlLiBJIHRoaW5rIHRoYXQgaW4gY29tYmluYXRp b24gd2l0aCB0aGUgZGF0YSBtb2RlbCwgYm90aCB0aGlzIGFuZCB0aGUgY29sbGVjdGlvbiBvZiBz dGF0cyB5b3UgbWVudGlvbmVkIHdvdWxkIHByb3ZpZGUgdGhlIGVzc2VudGlhbHMgZm9yIGEgcHJv Z3JhbW1hYmxlIFRXQU1QIGRlcGxveW1lbnQuIEkgd291bGQgYmUgaGFwcHkgdG8gY29udHJpYnV0 ZSB0byBzdWNoIGFuIGVmZm9ydC4gUGVyaGFwcyBhc2sgZm9yIHZvbHVudGVlcnMgdG8gZm9ybSBh biAoaW5mb3JtYWwpIGRlc2lnbiB0ZWFtPw0KDQpCZXN0IHJlZ2FyZHMsDQoNCktvc3Rhcw0K From nobody Tue Jul 28 06:15:00 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0E2661A8BB1; Tue, 28 Jul 2015 06:14:59 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -101.9 X-Spam-Level: X-Spam-Status: No, score=-101.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, USER_IN_WHITELIST=-100] autolearn=ham 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 EuGw4OHMWfqV; Tue, 28 Jul 2015 06:14:57 -0700 (PDT) Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 01C9A1A8AF5; Tue, 28 Jul 2015 06:14:27 -0700 (PDT) Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.2.0.p1 Auto-Submitted: auto-generated Precedence: bulk Sender: Message-ID: <20150728131427.7819.55760.idtracker@ietfa.amsl.com> Date: Tue, 28 Jul 2015 06:14:27 -0700 Archived-At: Cc: ippm@ietf.org Subject: [ippm] Last Call: (A One-Way Delay Metric for IPPM) to Internet Standard X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 Reply-To: ietf@ietf.org List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 Jul 2015 13:14:59 -0000 The IESG has received a request from the IP Performance Metrics WG (ippm) to consider the following document: - 'A One-Way Delay Metric for IPPM' as Internet Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the ietf@ietf.org mailing lists by 2015-08-11. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract This memo (RFC 2679 bis) defines a metric for one-way delay of packets across Internet paths. It builds on notions introduced and discussed in the IPPM Framework document, RFC 2330; the reader is assumed to be familiar with that document. This memo makes RFC 2679 obsolete. Please note: This memo is replacing a very old Proposed Standard, making minimal changes. Please evaluate its suitability for There are two normative references to Informational RFCs: ** Downref: Normative reference to an Informational RFC: RFC 2330 ** Downref: Normative reference to an Informational RFC: RFC 7312 The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-ippm-2679-bis/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-ippm-2679-bis/ballot/ No IPR declarations have been submitted directly on this I-D. From nobody Tue Jul 28 07:11:37 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6C68B1A9218; Tue, 28 Jul 2015 07:11:36 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -101.9 X-Spam-Level: X-Spam-Status: No, score=-101.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, USER_IN_WHITELIST=-100] autolearn=ham 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 mvzxRIjKM4wK; Tue, 28 Jul 2015 07:11:35 -0700 (PDT) Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id B7E0D1A8894; Tue, 28 Jul 2015 07:10:12 -0700 (PDT) Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.2.0.p1 Auto-Submitted: auto-generated Precedence: bulk Sender: Message-ID: <20150728141012.23624.27752.idtracker@ietfa.amsl.com> Date: Tue, 28 Jul 2015 07:10:12 -0700 Archived-At: Cc: ippm@ietf.org Subject: [ippm] Last Call: (A One-Way Loss Metric for IPPM) to Internet Standard X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 Reply-To: ietf@ietf.org List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 Jul 2015 14:11:36 -0000 The IESG has received a request from the IP Performance Metrics WG (ippm) to consider the following document: - 'A One-Way Loss Metric for IPPM' as Internet Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the ietf@ietf.org mailing lists by 2015-08-11. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract This memo (RFC 2680 bis) defines a metric for one-way loss of packets across Internet paths. It builds on notions introduced and discussed in the IPPM Framework document, RFC 2330; the reader is assumed to be familiar with that document. This memo makes RFC 2680 obsolete. Note: This memo replaces an old Proposed Standard, and should be evaluated for suitability as an Internet Standards. There are two Normative references to Informational RFCs: ** Downref: Normative reference to an Informational RFC: RFC 2330 ** Downref: Normative reference to an Informational RFC: RFC 7312 The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-ippm-2680-bis/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-ippm-2680-bis/ballot/ No IPR declarations have been submitted directly on this I-D. From nobody Tue Jul 28 09:05:03 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AFEDC1A9035; Thu, 16 Jul 2015 14:15:08 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -106.912 X-Spam-Level: X-Spam-Status: No, score=-106.912 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, USER_IN_WHITELIST=-100] autolearn=ham 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 6tWafyXRPUWV; Thu, 16 Jul 2015 14:15:07 -0700 (PDT) Received: from rfc-editor.org (rfc-editor.org [4.31.198.49]) by ietfa.amsl.com (Postfix) with ESMTP id 3FFF71A8FD5; Thu, 16 Jul 2015 14:15:07 -0700 (PDT) Received: by rfc-editor.org (Postfix, from userid 30) id 32472180473; Thu, 16 Jul 2015 14:11:30 -0700 (PDT) To: steve.baillargeon@ericsson.com, khedayat@brixnet.com, roman.krzanowski@verizon.com, acmorton@att.com, kyum@juniper.net, babiarz@nortel.com X-PHP-Originating-Script: 1005:errata_mail_lib.php From: RFC Errata System Message-Id: <20150716211130.32472180473@rfc-editor.org> Date: Thu, 16 Jul 2015 14:11:30 -0700 (PDT) Archived-At: X-Mailman-Approved-At: Tue, 28 Jul 2015 09:05:02 -0700 Cc: mls.ietf@gmail.com, rfc-editor@rfc-editor.org, iesg@ietf.org, ippm@ietf.org Subject: [ippm] [Errata Rejected] RFC5357 (3511) X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 16 Jul 2015 21:15:08 -0000 The following errata report has been rejected for RFC5357, "A Two-Way Active Measurement Protocol (TWAMP)". -------------------------------------- You may review the report below and at: http://www.rfc-editor.org/errata_search.php?rfc=5357&eid=3511 -------------------------------------- Status: Rejected Type: Editorial Reported by: Steve Baillargeon Date Reported: 2013-03-08 Rejected by: Martin Stiemerling (IESG) Section: Appendix Original Text ------------- controller responder +-----------------+ +-------------------+ | Server |<----------------->| | | Control-Client | | Session-Reflector | | Session-Sender |<--TWAMP-Test----->| | +-----------------+ +-------------------+ This example provides a simple architecture for responders where their role will be to simply act as light test points in the network. The controller establishes the test session with the Server through non-standard means. After the session is established, the controller transmits test packets to the responder. The responder follows the Session-Reflector behavior of TWAMP as described in section 4.2 with the following exceptions. In the case of TWAMP Light, the Session-Reflector does not necessarily have knowledge of the session state. IF the Session- Reflector does not have knowledge of the session state, THEN the Session-Reflector MUST copy the Sequence Number of the received packet to the Sequence Number field of the reflected packet. The controller receives the reflected test packets and collects two-way metrics. This architecture allows for collection of two-way metrics. Corrected Text -------------- controller responder +-----------------+ +-------------------+ | Server | | | | Control-Client | | Session-Reflector | | Session-Sender |<--TWAMP-Test----->| | +-----------------+ +-------------------+ This example provides a simple architecture for responders where their role will be to simply act as light test points in the network. The controller establishes the test session with the Server through non-standard means. After the session is established, the controller transmits test packets to the responder. Other examples are also possible. For instance, the responder may include a light Server responsible to instantiate the test session states based on the received test packets. The responder follows the Session-Reflector behavior of TWAMP as described in section 4.2 with the following exceptions. In the case of TWAMP Light, the Session-Reflector does not necessarily have knowledge of the session state. IF the Session- Reflector does not have knowledge of the session state, THEN the Session-Reflector MUST copy the Sequence Number of the received packet to the Sequence Number field of the reflected packet. The controller receives the reflected test packets and collects two-way metrics. This architecture allows for collection of two-way metrics. Otherwise IF the Session- Reflector has knowledge of the session state (using inspection of the received test packets for instance), THEN the Session-Reflector MUST generate it is own sequence number for each reflected packet. The controller receives the reflected test packets and collects two-way and one-way metrics. This alternative allows for collection of two-way and one-way metrics with TWAMP Light. Notes ----- Many readers of the appendix don't understand the meaning of informative and try to interpret the TWAMP light description as a specification. To correct this problem, it is recommended to add a few more lines explaning other TWAMP light architectures are possible. The original text describes a single TWAMP light architecture and this is misleading. --VERIFIER NOTES-- Erratas are not meant to be used to expand existing text beyond textual clarifications. -------------------------------------- RFC5357 (draft-ietf-ippm-twamp-09) -------------------------------------- Title : A Two-Way Active Measurement Protocol (TWAMP) Publication Date : October 2008 Author(s) : K. Hedayat, R. Krzanowski, A. Morton, K. Yum, J. Babiarz Category : PROPOSED STANDARD Source : IP Performance Metrics Area : Transport Stream : IETF Verifying Party : IESG From nobody Tue Jul 28 09:05:04 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A56D61B326B for ; Mon, 27 Jul 2015 12:08:19 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -101.912 X-Spam-Level: X-Spam-Status: No, score=-101.912 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, USER_IN_WHITELIST=-100] autolearn=ham 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 mwZCXWSNDvFK for ; Mon, 27 Jul 2015 12:08:17 -0700 (PDT) Received: from rfc-editor.org (rfc-editor.org [IPv6:2001:1900:3001:11::31]) by ietfa.amsl.com (Postfix) with ESMTP id 689381B328A for ; Mon, 27 Jul 2015 12:08:17 -0700 (PDT) Received: by rfc-editor.org (Postfix, from userid 30) id 3B768180208; Mon, 27 Jul 2015 12:04:06 -0700 (PDT) To: khedayat@brixnet.com, roman.krzanowski@verizon.com, acmorton@att.com, kyum@juniper.net, babiarz@nortel.com, spencerdawkins.ietf@gmail.com, mls.ietf@gmail.com, ietf@trammell.ch, ietf@wjcerveny.com X-PHP-Originating-Script: 6000:errata_mail_lib.php From: RFC Errata System Message-Id: <20150727190406.3B768180208@rfc-editor.org> Date: Mon, 27 Jul 2015 12:04:06 -0700 (PDT) Archived-At: X-Mailman-Approved-At: Tue, 28 Jul 2015 09:05:02 -0700 Cc: rfc-editor@rfc-editor.org, ippm@ietf.org Subject: [ippm] [Editorial Errata Reported] RFC5357 (4429) X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 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, 27 Jul 2015 19:08:19 -0000 The following errata report has been submitted for RFC5357, "A Two-Way Active Measurement Protocol (TWAMP)". -------------------------------------- You may review the report below and at: http://www.rfc-editor.org/errata_search.php?rfc=5357&eid=4429 -------------------------------------- Type: Editorial Reported by: Steve Baillargeon Section: Appendix 1 Original Text ------------- Section Appendix says: controller responder +-----------------+ +-------------------+ | Server |<----------------->| | | Control-Client | | Session-Reflector | | Session-Sender |<--TWAMP-Test----->| | +-----------------+ +-------------------+ Corrected Text -------------- controller responder +-----------------+ +-------------------+ | Server | | | | Control-Client | | Session-Reflector | | Session-Sender |<--TWAMP-Test----->| | +-----------------+ +-------------------+ Notes ----- The top arrow is not identified and misleading. It should be removed. Instructions: ------------- This erratum is currently posted as "Reported". If necessary, please use "Reply All" to discuss whether it should be verified or rejected. When a decision is reached, the verifying party (IESG) can log in to change the status and edit the report, if necessary. -------------------------------------- RFC5357 (draft-ietf-ippm-twamp-09) -------------------------------------- Title : A Two-Way Active Measurement Protocol (TWAMP) Publication Date : October 2008 Author(s) : K. Hedayat, R. Krzanowski, A. Morton, K. Yum, J. Babiarz Category : PROPOSED STANDARD Source : IP Performance Metrics Area : Transport Stream : IETF Verifying Party : IESG From nobody Wed Jul 29 07:00:00 2015 Return-Path: X-Original-To: ippm@ietfa.amsl.com Delivered-To: ippm@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E77AD1A1B8F; Wed, 29 Jul 2015 06:59:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9] autolearn=ham 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 ODJq36OQEepx; Wed, 29 Jul 2015 06:59:56 -0700 (PDT) Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id B94091A1B84; Wed, 29 Jul 2015 06:59:56 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: X-Test-IDTracker: no X-IETF-IDTracker: 6.2.0.p1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <20150729135956.15927.76955.idtracker@ietfa.amsl.com> Date: Wed, 29 Jul 2015 06:59:56 -0700 Archived-At: Cc: ippm@ietf.org Subject: [ippm] I-D Action: draft-ietf-ippm-owamp-registry-00.txt X-BeenThere: ippm@ietf.org X-Mailman-Version: 2.1.15 List-Id: IETF IP Performance Metrics Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Jul 2015 13:59:58 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the IP Performance Metrics Working Group of the IETF. Title : Registries for the One-Way Active Measurement Protocol - OWAMP Author : Al Morton Filename : draft-ietf-ippm-owamp-registry-00.txt Pages : 7 Date : 2015-07-24 Abstract: This memo describes the registries for OWAMP - the One-Way Active Measurement Protocol. The registries allow assignment of MODE bit positions and OWAMP Command numbers. The memo also requests that IANA establish the registries for new features, called the OWAMP- Modes registry and the OWAMP Control Command Number registry. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ippm-owamp-registry/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-ippm-owamp-registry-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/