From nobody Mon Feb 4 00:37:59 2019 Return-Path: X-Original-To: spring@ietf.org Delivered-To: spring@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 272891294FA; Mon, 4 Feb 2019 00:37:57 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: IETF Meeting Session Request Tool To: Cc: martin.vigoureux@nokia.com, spring@ietf.org, spring-chairs@ietf.org, bruno.decraene@orange.com X-Test-IDTracker: no X-IETF-IDTracker: 6.90.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <154926947710.22910.16877772078305017305.idtracker@ietfa.amsl.com> Date: Mon, 04 Feb 2019 00:37:57 -0800 Archived-At: Subject: [spring] spring - New Meeting Session Request for IETF 104 X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Feb 2019 08:37:57 -0000 A new meeting session request has just been submitted by Bruno Decraene, a Chair of the spring working group. --------------------------------------------------------- Working Group Name: Source Packet Routing in Networking Area Name: Routing Area Session Requester: Bruno Decraene Number of Sessions: 1 Length of Session(s): 2 Hours Number of Attendees: 120 Conflicts to Avoid: First Priority: mpls lsr 6man Second Priority: idr sfc pce Third Priority: detnet teas People who must be present: Bruno Decraene Martin Vigoureux Rob Shakir Resources Requested: Special Requests: Could you please schedule during the afternoon, to ease remote participation from one chair. One chair will remotely attend via meetecho. Not sure whether this requires something special. Thank you. --------------------------------------------------------- From nobody Sun Feb 10 00:11:36 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7DC59130E7D; Sun, 10 Feb 2019 00:11:34 -0800 (PST) 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 autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8d6hPdDpfjHc; Sun, 10 Feb 2019 00:11:32 -0800 (PST) Received: from pipi.pi.nu (pipi.pi.nu [83.168.239.141]) (using TLSv1.1 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D78B6124C04; Sun, 10 Feb 2019 00:11:28 -0800 (PST) Received: from [10.255.250.39] (unknown [176.126.84.122]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: loa@pi.nu) by pipi.pi.nu (Postfix) with ESMTPSA id 1653C180158C; Sun, 10 Feb 2019 09:11:25 +0100 (CET) To: "spring@ietf.org" , draft-cheng-spring-mpls-path-segment@ietf.org From: Loa Andersson Message-ID: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> Date: Sun, 10 Feb 2019 16:11:21 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Archived-At: Subject: [spring] to progress draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 10 Feb 2019 08:11:35 -0000 Working Group, I have reviewed draft-cheng-spring-mpls-path-segment and as far as I can see, it is ready for wg adoption. There were some comments in Bangkok, but due to the many collisions between working groups at that meeting I couldn't attend the SPRING f2f. The minutes are not clear, but as far as I understand, there is nothing that can't be resolved in the wg process. /Loa -- Loa Andersson email: loa@pi.nu Senior MPLS Expert Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Tue Feb 12 19:59:08 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BB326130F9C; Tue, 12 Feb 2019 19:59:06 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.6 X-Spam-Level: X-Spam-Status: No, score=-2.6 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 5Xow8kPApAZS; Tue, 12 Feb 2019 19:59:04 -0800 (PST) Received: from cmccmta3.chinamobile.com (cmccmta3.chinamobile.com [221.176.66.81]) by ietfa.amsl.com (Postfix) with ESMTP id 759E3130E09; Tue, 12 Feb 2019 19:59:02 -0800 (PST) Received: from spf.mail.chinamobile.com (unknown[172.16.121.3]) by rmmx-syy-dmz-app12-12012 (RichMail) with SMTP id 2eec5c6395ffc2a-4291b; Wed, 13 Feb 2019 11:58:55 +0800 (CST) X-RM-TRANSID: 2eec5c6395ffc2a-4291b X-RM-TagInfo: emlType=0 X-RM-SPAM-FLAG: 00000000 Received: from cmcc (unknown[117.136.0.130]) by rmsmtp-syy-appsvr02-12002 (RichMail) with SMTP id 2ee25c6395fcb99-7e266; Wed, 13 Feb 2019 11:58:55 +0800 (CST) X-RM-TRANSID: 2ee25c6395fcb99-7e266 From: "Weiqiang Cheng" To: "'Loa Andersson'" , Cc: References: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> In-Reply-To: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> Date: Wed, 13 Feb 2019 11:58:55 +0800 Message-ID: <03ff01d4c350$70e40a20$52ac1e60$@com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AdTBGEAjEZkIE+OrQLuSF4QQNAP9DACNXQ/A Content-Language: zh-cn Archived-At: Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Feb 2019 03:59:07 -0000 Hi Loa, Thank you very much for your review and comments. The solution in the draft provides a simple and effective way for E2E FM = and PM in the Telecom application Scenario. The requirements are valid and all existing comments have been resolved. We authors also hope WG can adopt draft-cheng-spring-mpls-path-segment = as a working group document. B.R. Weiqiang Cheng -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6----- =E5=8F=91=E4=BB=B6=E4=BA=BA: Loa Andersson [mailto:loa@pi.nu]=20 =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2019=E5=B9=B42=E6=9C=8810=E6=97=A5 = 16:11 =E6=94=B6=E4=BB=B6=E4=BA=BA: spring@ietf.org; = draft-cheng-spring-mpls-path-segment@ietf.org =E4=B8=BB=E9=A2=98: to progress draft-cheng-spring-mpls-path-segment Working Group, I have reviewed draft-cheng-spring-mpls-path-segment and as far as I can = see, it is ready for wg adoption. There were some comments in Bangkok, but due to the many collisions = between working groups at that meeting I couldn't attend the SPRING f2f. The minutes are not clear, but as far as I understand, there is nothing = that can't be resolved in the wg process. /Loa --=20 Loa Andersson email: loa@pi.nu Senior MPLS Expert Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Wed Feb 13 01:00:47 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B26D312D4E6; Wed, 13 Feb 2019 01:00:45 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.2 X-Spam-Level: X-Spam-Status: No, score=-4.2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id fy1mMnVILBdF; Wed, 13 Feb 2019 01:00:43 -0800 (PST) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9576B128CB7; Wed, 13 Feb 2019 01:00:43 -0800 (PST) Received: from LHREML710-CAH.china.huawei.com (unknown [172.18.7.107]) by Forcepoint Email with ESMTP id 6F721E694487CFE463A4; Wed, 13 Feb 2019 09:00:41 +0000 (GMT) Received: from DGGEML405-HUB.china.huawei.com (10.3.17.49) by LHREML710-CAH.china.huawei.com (10.201.108.33) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 13 Feb 2019 09:00:40 +0000 Received: from DGGEML529-MBX.china.huawei.com ([169.254.6.187]) by dggeml405-hub.china.huawei.com ([10.3.17.49]) with mapi id 14.03.0415.000; Wed, 13 Feb 2019 17:00:33 +0800 From: "Chengli (Cheng Li)" To: Weiqiang Cheng , 'Loa Andersson' , "spring@ietf.org" CC: "draft-cheng-spring-mpls-path-segment@ietf.org" Thread-Topic: [spring] to progress draft-cheng-spring-mpls-path-segment Thread-Index: AQHUwRhLfvXGUAuQ80qeRzWVmR7hc6XcmJOAgADWgdA= Date: Wed, 13 Feb 2019 09:00:32 +0000 Message-ID: References: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> <03ff01d4c350$70e40a20$52ac1e60$@com> In-Reply-To: <03ff01d4c350$70e40a20$52ac1e60$@com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.130.185.75] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Feb 2019 09:00:46 -0000 KzEuIA0KDQpBZnRlciByZXZpZXdpbmcgdGhlIGRvY3VtZW50ICwgSSB0aGluayB0aGUgcmVxdWly ZW1lbnQgb2YgcGF0aCBzZWdtZW50IGlzIGNsZWFyIGFuZCB0aGUgc29sdXRpb24gaXMgcmVhc29u YWJsZSBhbmQgZWZmZWN0aXZlLg0KU2luY2UgdGhlIGNvbnRlbnQgb2YgdGhpcyBkcmFmdCBpcyBz dGFibGUsIEkgdGhpbmsgaXQgaXMgcmVhZHkgZm9yIFdHIGFkb3B0aW9uIGFzIHdlbGwuDQoNClRo YW5rcywNCkNoZW5nDQoNCg0KLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCkZyb206IHNwcmlu ZyBbbWFpbHRvOnNwcmluZy1ib3VuY2VzQGlldGYub3JnXSBPbiBCZWhhbGYgT2YgV2VpcWlhbmcg Q2hlbmcNClNlbnQ6IFdlZG5lc2RheSwgRmVicnVhcnkgMTMsIDIwMTkgMTE6NTkgQU0NClRvOiAn TG9hIEFuZGVyc3NvbicgPGxvYUBwaS5udT47IHNwcmluZ0BpZXRmLm9yZw0KQ2M6IGRyYWZ0LWNo ZW5nLXNwcmluZy1tcGxzLXBhdGgtc2VnbWVudEBpZXRmLm9yZw0KU3ViamVjdDogUmU6IFtzcHJp bmddIHRvIHByb2dyZXNzIGRyYWZ0LWNoZW5nLXNwcmluZy1tcGxzLXBhdGgtc2VnbWVudA0KDQpI aSBMb2EsDQpUaGFuayB5b3UgdmVyeSBtdWNoIGZvciB5b3VyIHJldmlldyBhbmQgY29tbWVudHMu DQpUaGUgc29sdXRpb24gaW4gdGhlIGRyYWZ0IHByb3ZpZGVzIGEgc2ltcGxlIGFuZCBlZmZlY3Rp dmUgd2F5IGZvciBFMkUgRk0gYW5kIFBNIGluIHRoZSBUZWxlY29tIGFwcGxpY2F0aW9uIFNjZW5h cmlvLg0KVGhlIHJlcXVpcmVtZW50cyBhcmUgdmFsaWQgYW5kIGFsbCBleGlzdGluZyBjb21tZW50 cyBoYXZlIGJlZW4gcmVzb2x2ZWQuDQpXZSBhdXRob3JzIGFsc28gaG9wZSBXRyBjYW4gYWRvcHQg ZHJhZnQtY2hlbmctc3ByaW5nLW1wbHMtcGF0aC1zZWdtZW50IGFzIGEgd29ya2luZyBncm91cCBk b2N1bWVudC4NCg0KQi5SLg0KV2VpcWlhbmcgQ2hlbmcNCg0KLS0tLS3pgq7ku7bljp/ku7YtLS0t LQ0K5Y+R5Lu25Lq6OiBMb2EgQW5kZXJzc29uIFttYWlsdG86bG9hQHBpLm51XSANCuWPkemAgeaX tumXtDogMjAxOeW5tDLmnIgxMOaXpSAxNjoxMQ0K5pS25Lu25Lq6OiBzcHJpbmdAaWV0Zi5vcmc7 IGRyYWZ0LWNoZW5nLXNwcmluZy1tcGxzLXBhdGgtc2VnbWVudEBpZXRmLm9yZw0K5Li76aKYOiB0 byBwcm9ncmVzcyBkcmFmdC1jaGVuZy1zcHJpbmctbXBscy1wYXRoLXNlZ21lbnQNCg0KV29ya2lu ZyBHcm91cCwNCg0KSSBoYXZlIHJldmlld2VkIGRyYWZ0LWNoZW5nLXNwcmluZy1tcGxzLXBhdGgt c2VnbWVudCBhbmQgYXMgZmFyIGFzIEkgY2FuIHNlZSwgaXQgaXMgcmVhZHkgZm9yIHdnIGFkb3B0 aW9uLg0KDQpUaGVyZSB3ZXJlIHNvbWUgY29tbWVudHMgaW4gQmFuZ2tvaywgYnV0IGR1ZSB0byB0 aGUgbWFueSBjb2xsaXNpb25zIGJldHdlZW4gd29ya2luZyBncm91cHMgYXQgdGhhdCBtZWV0aW5n IEkgY291bGRuJ3QgYXR0ZW5kIHRoZSBTUFJJTkcgZjJmLg0KDQpUaGUgbWludXRlcyBhcmUgbm90 IGNsZWFyLCBidXQgYXMgZmFyIGFzIEkgdW5kZXJzdGFuZCwgdGhlcmUgaXMgbm90aGluZyB0aGF0 IGNhbid0IGJlIHJlc29sdmVkIGluIHRoZSB3ZyBwcm9jZXNzLg0KDQovTG9hDQotLSANCg0KDQpM b2EgQW5kZXJzc29uICAgICAgICAgICAgICAgICAgICAgICAgZW1haWw6IGxvYUBwaS5udQ0KU2Vu aW9yIE1QTFMgRXhwZXJ0DQpCcm9uemUgRHJhZ29uIENvbnN1bHRpbmcgICAgICAgICAgICAgcGhv bmU6ICs0NiA3MzkgODEgMjEgNjQNCg0KDQoNCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fDQpzcHJpbmcgbWFpbGluZyBsaXN0DQpzcHJpbmdAaWV0Zi5vcmcN Cmh0dHBzOi8vd3d3LmlldGYub3JnL21haWxtYW4vbGlzdGluZm8vc3ByaW5nDQo= From nobody Wed Feb 13 02:48:05 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5A684128B01; 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Wed, 13 Feb 2019 02:48:00 -0800 (PST) Received: from [192.168.178.22] ([62.3.64.16]) by smtp.gmail.com with ESMTPSA id a1sm5139251wrq.96.2019.02.13.02.47.59 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 13 Feb 2019 02:47:59 -0800 (PST) To: Loa Andersson , "spring@ietf.org" , draft-cheng-spring-mpls-path-segment@ietf.org References: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> From: Stewart Bryant Message-ID: <9419b7d7-87ef-151f-5ed8-b0f78c6e83af@gmail.com> Date: Wed, 13 Feb 2019 10:47:58 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.0 MIME-Version: 1.0 In-Reply-To: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-GB Archived-At: Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Feb 2019 10:48:04 -0000 I have just read the draft and agree that it should be adopted by the WG. It solves an important problem in instrumenting and protecting an SR path. It should be noted that we needed to do something very similar in mainstream MPLS via the synonymous label work which is already adopted. However SL did not address the SR case. We therefore need this path label work to be progressed. - Stewart On 10/02/2019 08:11, Loa Andersson wrote: > Working Group, > > I have reviewed draft-cheng-spring-mpls-path-segment and as far > as I can see, it is ready for wg adoption. > > There were some comments in Bangkok, but due to the many collisions > between working groups at that meeting I couldn't attend the SPRING > f2f. > > The minutes are not clear, but as far as I understand, there is > nothing that can't be resolved in the wg process. > > /Loa From nobody Wed Feb 13 05:08:44 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C2840128CB7; Wed, 13 Feb 2019 05:08:43 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.2 X-Spam-Level: X-Spam-Status: No, score=-4.2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CoWKs15cc1QK; Wed, 13 Feb 2019 05:08:41 -0800 (PST) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id BA8BE128BCC; Wed, 13 Feb 2019 05:08:41 -0800 (PST) Received: from lhreml701-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id F1788C5C637DBDF96763; Wed, 13 Feb 2019 13:08:39 +0000 (GMT) Received: from SJCEML703-CHM.china.huawei.com (10.208.112.39) by lhreml701-cah.china.huawei.com (10.201.108.42) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 13 Feb 2019 13:08:39 +0000 Received: from SJCEML521-MBX.china.huawei.com ([169.254.1.95]) by SJCEML703-CHM.china.huawei.com ([169.254.5.96]) with mapi id 14.03.0415.000; Wed, 13 Feb 2019 05:08:35 -0800 From: James N Guichard To: Stewart Bryant , Loa Andersson , "spring@ietf.org" , "draft-cheng-spring-mpls-path-segment@ietf.org" Thread-Topic: [spring] to progress draft-cheng-spring-mpls-path-segment Thread-Index: AQHUwRhMSw8EDsjuJEWfRKdjRvZIT6XeFxUA//+guVA= Date: Wed, 13 Feb 2019 13:08:34 +0000 Message-ID: References: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> <9419b7d7-87ef-151f-5ed8-b0f78c6e83af@gmail.com> In-Reply-To: <9419b7d7-87ef-151f-5ed8-b0f78c6e83af@gmail.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.47.147.82] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Feb 2019 13:08:44 -0000 +1 support WG adoption. Jim -----Original Message----- From: spring [mailto:spring-bounces@ietf.org] On Behalf Of Stewart Bryant Sent: Wednesday, February 13, 2019 5:48 AM To: Loa Andersson ; spring@ietf.org; draft-cheng-spring-mpls-pat= h-segment@ietf.org Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment I have just read the draft and agree that it should be adopted by the WG. I= t solves an important problem in instrumenting and protecting an SR path. It should be noted that we needed to do something very similar in mainstrea= m MPLS via the synonymous label work which is already adopted.=20 However SL did not address the SR case. We therefore need this path label w= ork to be progressed. - Stewart On 10/02/2019 08:11, Loa Andersson wrote: > Working Group, > > I have reviewed draft-cheng-spring-mpls-path-segment and as far as I=20 > can see, it is ready for wg adoption. > > There were some comments in Bangkok, but due to the many collisions=20 > between working groups at that meeting I couldn't attend the SPRING=20 > f2f. > > The minutes are not clear, but as far as I understand, there is=20 > nothing that can't be resolved in the wg process. > > /Loa _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring From nobody Wed Feb 13 06:46:16 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7EE50128701 for ; Wed, 13 Feb 2019 06:46:15 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.6 X-Spam-Level: X-Spam-Status: No, score=-2.6 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bI2pu10Mb8Av for ; Wed, 13 Feb 2019 06:46:12 -0800 (PST) Received: from 8.mo5.mail-out.ovh.net (8.mo5.mail-out.ovh.net [178.32.116.78]) (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 9723D1274D0 for ; Wed, 13 Feb 2019 06:46:12 -0800 (PST) Received: from player770.ha.ovh.net (unknown [10.109.160.226]) by mo5.mail-out.ovh.net (Postfix) with ESMTP id 373D421BDBB for ; Wed, 13 Feb 2019 15:46:09 +0100 (CET) Received: from RCM-web3.webmail.mail.ovh.net (unknown [190.236.255.92]) (Authenticated sender: ietf@lmcontreras.com) by player770.ha.ovh.net (Postfix) with ESMTPSA id 785A12AE0E5A; Wed, 13 Feb 2019 14:46:05 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Wed, 13 Feb 2019 15:46:04 +0100 From: "Luis M. Contreras" To: James N Guichard Cc: Stewart Bryant , Loa Andersson , spring@ietf.org, draft-cheng-spring-mpls-path-segment@ietf.org In-Reply-To: References: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> <9419b7d7-87ef-151f-5ed8-b0f78c6e83af@gmail.com> Message-ID: <4739df95e49ee87b5a05d84de32f4c2b@lmcontreras.com> X-Sender: ietf@lmcontreras.com User-Agent: Roundcube Webmail/1.3.8 X-Originating-IP: 190.236.255.92 X-Webmail-UserID: ietf@lmcontreras.com X-Ovh-Tracer-Id: 3292412802774548305 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedtledrledvgdduvddvucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdpvefjgfevmfevgfenuceurghilhhouhhtmecuhedttdenucesvcftvggtihhpihgvnhhtshculddquddttddm Archived-At: Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Feb 2019 14:46:16 -0000 Hi all, +1 support for WG adoption of this draft Best regards Luis ___________________________________________ Luis M. Contreras ietf@lmcontreras.com | luismiguel.contrerasmurillo@telefonica.com Telefonica I+D / Global CTIO unit / Telefonica On 2019-02-13 14:08, James N Guichard wrote: > +1 support WG adoption. > > Jim > > -----Original Message----- > From: spring [mailto:spring-bounces@ietf.org] On Behalf Of Stewart > Bryant > Sent: Wednesday, February 13, 2019 5:48 AM > To: Loa Andersson ; spring@ietf.org; > draft-cheng-spring-mpls-path-segment@ietf.org > Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment > > I have just read the draft and agree that it should be adopted by the > WG. It solves an important problem in instrumenting and protecting an > SR path. > > It should be noted that we needed to do something very similar in > mainstream MPLS via the synonymous label work which is already > adopted. > However SL did not address the SR case. We therefore need this path > label work to be progressed. > > - Stewart > > On 10/02/2019 08:11, Loa Andersson wrote: >> Working Group, >> >> I have reviewed draft-cheng-spring-mpls-path-segment and as far as I >> can see, it is ready for wg adoption. >> >> There were some comments in Bangkok, but due to the many collisions >> between working groups at that meeting I couldn't attend the SPRING >> f2f. >> >> The minutes are not clear, but as far as I understand, there is >> nothing that can't be resolved in the wg process. >> >> /Loa > > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring > > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring -- From nobody Wed Feb 13 07:56:03 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id F2995128701; Wed, 13 Feb 2019 07:56:01 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.2 X-Spam-Level: X-Spam-Status: No, score=-4.2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id k3wYtpipT4lI; Wed, 13 Feb 2019 07:56:00 -0800 (PST) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C15CA126C7E; Wed, 13 Feb 2019 07:55:59 -0800 (PST) Received: from lhreml708-cah.china.huawei.com (unknown [172.18.7.108]) by Forcepoint Email with ESMTP id B21FE7E96B227B49217E; Wed, 13 Feb 2019 15:55:57 +0000 (GMT) Received: from SJCEML701-CHM.china.huawei.com (10.208.112.40) by lhreml708-cah.china.huawei.com (10.201.108.49) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 13 Feb 2019 15:55:57 +0000 Received: from SJCEML521-MBS.china.huawei.com ([169.254.2.240]) by SJCEML701-CHM.china.huawei.com ([169.254.3.144]) with mapi id 14.03.0415.000; Wed, 13 Feb 2019 07:55:48 -0800 From: Linda Dunbar To: James N Guichard , Stewart Bryant , Loa Andersson , "spring@ietf.org" , "draft-cheng-spring-mpls-path-segment@ietf.org" Thread-Topic: [spring] to progress draft-cheng-spring-mpls-path-segment Thread-Index: AQHUw4mVEZkIE+OrQLuSF4QQNAP9DKXeOXsA//+ohkA= Date: Wed, 13 Feb 2019 15:55:48 +0000 Message-ID: <4A95BA014132FF49AE685FAB4B9F17F66B29DE16@sjceml521-mbs.china.huawei.com> References: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> <9419b7d7-87ef-151f-5ed8-b0f78c6e83af@gmail.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.192.11.91] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Feb 2019 15:56:02 -0000 Support,=20 Linda Dunbar -----Original Message----- From: spring [mailto:spring-bounces@ietf.org] On Behalf Of Stewart Bryant Sent: Wednesday, February 13, 2019 5:48 AM To: Loa Andersson ; spring@ietf.org; draft-cheng-spring-mpls-pat= h-segment@ietf.org Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment I have just read the draft and agree that it should be adopted by the WG. I= t solves an important problem in instrumenting and protecting an SR path. It should be noted that we needed to do something very similar in mainstrea= m MPLS via the synonymous label work which is already adopted.=20 However SL did not address the SR case. We therefore need this path label w= ork to be progressed. - Stewart On 10/02/2019 08:11, Loa Andersson wrote: > Working Group, > > I have reviewed draft-cheng-spring-mpls-path-segment and as far as I=20 > can see, it is ready for wg adoption. > > There were some comments in Bangkok, but due to the many collisions=20 > between working groups at that meeting I couldn't attend the SPRING=20 > f2f. > > The minutes are not clear, but as far as I understand, there is=20 > nothing that can't be resolved in the wg process. > > /Loa _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring From nobody Wed Feb 13 19:13:35 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4350E130EED; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable +1 Zhenqiang Li ________________________________ li_zhenqiang@hotmail.com From: Linda Dunbar Date: 2019-02-13 23:55 To: James N Guichard; Stewart Bryant; Loa Andersson; spring@iet= f.org; draft-cheng-spring-mpls-path-segment@ietf.or= g Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment Support, Linda Dunbar -----Original Message----- From: spring [mailto:spring-bounces@ietf.org] On Behalf Of Stewart Bryant Sent: Wednesday, February 13, 2019 5:48 AM To: Loa Andersson ; spring@ietf.org; draft-cheng-spring-mpls-pat= h-segment@ietf.org Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment I have just read the draft and agree that it should be adopted by the WG. I= t solves an important problem in instrumenting and protecting an SR path. It should be noted that we needed to do something very similar in mainstrea= m MPLS via the synonymous label work which is already adopted. However SL did not address the SR case. We therefore need this path label w= ork to be progressed. - Stewart On 10/02/2019 08:11, Loa Andersson wrote: > Working Group, > > I have reviewed draft-cheng-spring-mpls-path-segment and as far as I > can see, it is ready for wg adoption. > > There were some comments in Bangkok, but due to the many collisions > between working groups at that meeting I couldn't attend the SPRING > f2f. > > The minutes are not clear, but as far as I understand, there is > nothing that can't be resolved in the wg process. > > /Loa _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring --_000_TYAPR06MB231922FFD20C7709D7D4FD32FC670TYAPR06MB2319apcp_ Content-Type: text/html; charset="iso-8859-1" Content-ID: Content-Transfer-Encoding: quoted-printable
+1

Zhenqiang Li

li_zhenqiang@hotmail.com
 
Date: 2019-02-13 23:55
Subject: Re: [spring] to progress draft-cheng-spring-mpls-= path-segment
 
Support,
 
Linda Dunbar
 
-----Original Message-----
From: spring [mailto:spring-bounces@ietf.org] On Behalf Of Stewart Bry= ant
Sent: Wednesday, February 13, 2019 5:48 AM
To: Loa Andersson <loa@pi.nu>; spring@ietf.org; draft-cheng-spri= ng-mpls-path-segment@ietf.org
Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment=
 
I have just read the draft and agree that it should be adopted by the = WG. It solves an important problem in instrumenting and protecting an SR pa= th.
 
It should be noted that we needed to do something very similar in main= stream MPLS via the synonymous label work which is already adopted.
However SL did not address the SR case. We therefore need this path la= bel work to be progressed.
 
- Stewart
 
On 10/02/2019 08:11, Loa Andersson wrote:
> Working Group,
>
> I have reviewed draft-cheng-spring-mpls-path-segment and as far a= s I
> can see, it is ready for wg adoption.
>
> There were some comments in Bangkok, but due to the many collisio= ns
> between working groups at that meeting I couldn't attend the SPRI= NG
> f2f.
>
> The minutes are not clear, but as far as I understand, there is <= /div>
> nothing that can't be resolved in the wg process.
>
> /Loa
 
_______________________________________________
spring mailing list
spring@ietf.org
https://www.ietf.org/mailman/listinfo/spring
 
_______________________________________________
spring mailing list
spring@ietf.org
https://www.ietf.org/mailman/listinfo/spring
 
_______________________________________________
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spring@ietf.org
https://www.ietf.org/mailman/listinfo/spring
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x-conformance=spf_only; x-record-type="v=spf1"; x-record-text="v=spf1 ip4:4.31.198.32/27 ip6:2001:1900:3001:0011::0/64 ip4:66.70.182.38 ip4:158.69.166.16/29 ip6:2607:5300:203:1b26::0/64 ip4:158.69.229.207 ip4:192.95.54.40/29 ip6:2607:5300:0060:9ccf::0/64 -all" Received-SPF: None (alln-inbound-d.cisco.com: no sender authenticity information available from domain of postmaster@mail.ietf.org) identity=helo; client-ip=2001:1900:3001:11::2c; receiver=alln-inbound-d.cisco.com; envelope-from="internet-drafts@ietf.org"; x-sender="postmaster@mail.ietf.org"; x-conformance=spf_only Authentication-Results: alln-inbound-d.cisco.com; dkim=none (message not signed) header.i=none; spf=Pass smtp.mailfrom=internet-drafts@ietf.org; spf=None smtp.helo=postmaster@mail.ietf.org; dmarc=pass (p=none dis=none) d=ietf.org X-from-outside-Cisco: 2001:1900:3001:11::2c IronPort-PHdr: =?us-ascii?q?9a23=3ArVZm6xzxn/8Kvx/XCy+O+j09IxM/srCxBDY+r6?= 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<155013360967.26539.14651365684558664514.idtracker@ietfa.amsl.com> Date: Thu, 14 Feb 2019 00:40:09 -0800 X-Auto-Response-Suppress: DR, OOF, AutoReply X-Outbound-SMTP-Client: 173.37.147.234, alln-inbound-d.cisco.com X-Outbound-Node: rcdn-core-11.cisco.com Return-Path: internet-drafts@ietf.org X-MS-Exchange-Organization-Network-Message-Id: 170bc593-0cff-4466-14b5-08d69258241c X-MS-Exchange-Organization-AVStamp-Enterprise: 1.0 X-MS-Exchange-Organization-AuthSource: XCH-ALN-003.cisco.com X-MS-Exchange-Organization-AuthAs: Anonymous Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit MIME-Version: 1.0 A new version of I-D, draft-filsfils-spring-srv6-network-programming-07.txt has been successfully submitted by Pablo Camarillo and posted to the IETF repository. Name: draft-filsfils-spring-srv6-network-programming Revision: 07 Title: SRv6 Network Programming Document date: 2019-02-14 Group: Individual Submission Pages: 42 URL: https://www.ietf.org/internet-drafts/draft-filsfils-spring-srv6-network-programming-07.txt Status: https://datatracker.ietf.org/doc/draft-filsfils-spring-srv6-network-programming/ Htmlized: https://tools.ietf.org/html/draft-filsfils-spring-srv6-network-programming-07 Htmlized: https://datatracker.ietf.org/doc/html/draft-filsfils-spring-srv6-network-programming Diff: https://www.ietf.org/rfcdiff?url2=draft-filsfils-spring-srv6-network-programming-07 Abstract: This document describes the SRv6 network programming concept and its most basic functions. 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. 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Received: from mail.ietf.org ([IPv6:2001:1900:3001:11::2c]) by alln-inbound-j.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Feb 2019 08:38:17 +0000 Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 8286713106D; Thu, 14 Feb 2019 00:38:16 -0800 (PST) From: To: Zhenbin Li , Robert Raszuk , David Lebrun , Bruno Decraene , Pablo Camarillo Garvia , John Leddy , Dirk Steinberg , Pablo Camarillo , "Clarence Filsfils" , Satoru Matsushima Subject: New Version Notification for draft-filsfils-spring-srv6-net-pgm-illustration-00.txt X-Test-IDTracker: no X-IETF-IDTracker: 6.91.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <155013349653.26563.2254716732055497257.idtracker@ietfa.amsl.com> Date: Thu, 14 Feb 2019 00:38:16 -0800 X-Auto-Response-Suppress: DR, OOF, AutoReply X-Outbound-SMTP-Client: 173.37.147.240, alln-inbound-j.cisco.com X-Outbound-Node: alln-core-5.cisco.com Return-Path: internet-drafts@ietf.org X-MS-Exchange-Organization-Network-Message-Id: 3b4781ba-136f-4a19-edaa-08d69257c924 X-MS-Exchange-Organization-AVStamp-Enterprise: 1.0 X-MS-Exchange-Organization-AuthSource: XCH-RTP-019.cisco.com X-MS-Exchange-Organization-AuthAs: Anonymous Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit MIME-Version: 1.0 A new version of I-D, draft-filsfils-spring-srv6-net-pgm-illustration-00.txt has been successfully submitted by Pablo Camarillo and posted to the IETF repository. Name: draft-filsfils-spring-srv6-net-pgm-illustration Revision: 00 Title: Illustrations for SRv6 Network Programming Document date: 2019-02-14 Group: Individual Submission Pages: 23 URL: https://www.ietf.org/internet-drafts/draft-filsfils-spring-srv6-net-pgm-illustration-00.txt Status: https://datatracker.ietf.org/doc/draft-filsfils-spring-srv6-net-pgm-illustration/ Htmlized: https://tools.ietf.org/html/draft-filsfils-spring-srv6-net-pgm-illustration-00 Htmlized: https://datatracker.ietf.org/doc/html/draft-filsfils-spring-srv6-net-pgm-illustration Abstract: This document illustrates how SRv6 Network Programming [I-D.filsfils-spring-srv6-network-programming] can be used to create interoperable and protected overlays with underlay optimization and service programming. 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. 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I have been following this draft from its -00 revision. The current revisi= on has resolved most of the issues I (and others) have been raised (e.g., = elimination of excessive options). >From my POV, in its current state the draft meets two basic requirements f= or the WG adoption: 1. It addresses a real and relevant problem, namely the MPLS Flow Id= entification problem discussed in general in RFC 8372 and scoped to SR-MPLS LSPs in this draft. Specifics of SR= -MPLS include the need to provide end-to-end liveness check that is one of= the requirements explicitly specified in Section 2 of RFC 8355. 2. It provides a reasonable (from my POV) approach to solution of t= his problem. I also concur with Stewart's comment about strong similarity between the a= pproach taken in this draft for SR-MPLS and generic work in progress on sy= nonymous flow labels that has been already adopted as a MPLS WG item. To me this is y= et another indication that the draft should be adopted. My 2c, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com -----Original Message----- From: spring On Behalf Of Stewart Bryant Sent: Wednesday, February 13, 2019 12:48 PM To: Loa Andersson ; spring@ietf.org; draft-cheng-spring-mpls-pa= th-segment@ietf.org Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment I have just read the draft and agree that it should be adopted by the WG. = It solves an important problem in instrumenting and protecting an SR path.= It should be noted that we needed to do something very similar in mainstre= am MPLS via the synonymous label work which is already adopted. However SL did not address the SR case. We therefore need this path label = work to be progressed. - Stewart On 10/02/2019 08:11, Loa Andersson wrote: > Working Group, > > I have reviewed draft-cheng-spring-mpls-path-segment and as far as I > can see, it is ready for wg adoption. > > There were some comments in Bangkok, but due to the many collisions > between working groups at that meeting I couldn't attend the SPRING > f2f. > > The minutes are not clear, but as far as I understand, there is > nothing that can't be resolved in the wg process. > > /Loa _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring __________________________________________________________________________= _ This e-mail message is intended for the recipient only and contains inform= ation which is=20 CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have rece= ived this=20 transmission in error, please inform us by e-mail, phone or fax, and then = delete the original=20 and all copies thereof. __________________________________________________________________________= _ --_000_AM6PR03MB3830EBBF1D04E91C35E7B8C99D670AM6PR03MB3830eurp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

+1.

 

I have been following this draft from its -00 re= vision. The current revision has resolved most of the issues I (and others= ) have been raised (e.g., elimination of excessive options).

 

From my POV, in its current state the draft meet= s two basic requirements for the WG adoption:

1.       It addresses a real and r= elevant problem, namely the MPLS Flow Identification problem discussed in = general in RFC 8372 and scoped= to SR-MPLS LSPs in this draft. Specifics of SR-MPLS include the need to p= rovide end-to-end liveness check that is one of the requirements explicitl= y specified in Section 2 of RFC 8355. <= /p>

2.       It provides a reasonable = (from my POV) approach to  solution of this problem.

 

I also concur with Stewart’s comment about= strong similarity between the approach taken in this draft for SR-MPLS an= d generic w= ork in progress on synonymous flow labels that has been already adopte= d as a MPLS WG item.  To me this is yet another indication that the d= raft should be adopted.

 

My 2c,

Sasha

 

Office: +972-39266302

Cell:      +972-549= 266302

Email:   Alexander.Vainshtein@ecitele.= com

 

-----Original Message-----
From: spring <spring-bounces@ietf.org> On Behalf Of Stewart Bryant Sent: Wednesday, February 13, 2019 12:48 PM
To: Loa Andersson <loa@pi.nu>; spring@ietf.org; draft-cheng-spring-m= pls-path-segment@ietf.org
Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment

=

 

I have just read the draft and agree that it sho= uld be adopted by the WG. It solves an important problem in instrumenting = and protecting an SR path.

 

It should be noted that we needed to do somethin= g very similar in mainstream MPLS via the synonymous label work which is a= lready adopted.

However SL did not address the SR case. We there= fore need this path label work to be progressed.

 

- Stewart

 

On 10/02/2019 08:11, Loa Andersson wrote:

> Working Group,

> 

> I have reviewed draft-cheng-spring-mpls-pat= h-segment and as far as I

> can see, it is ready for wg adoption.<= /o:p>

> 

> There were some comments in Bangkok, but du= e to the many collisions

> between working groups at that meeting I co= uldn't attend the SPRING

> f2f.

> 

> The minutes are not clear, but as far as I = understand, there is

> nothing that can't be resolved in the wg pr= ocess.

> 

> /Loa

 

_______________________________________________<= o:p>

spring mailing list

spring@ietf.org

https://www= .ietf.org/mailman/listinfo/spring


__________________________________________________________________________= _

This e-mail message is intended for the recipient only and contains inform= ation which is
CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have rece= ived this
transmission in error, please inform us by e-mail, phone or fax, and then = delete the original
and all copies thereof.
__________________________________________________________________________= _
--_000_AM6PR03MB3830EBBF1D04E91C35E7B8C99D670AM6PR03MB3830eurp_-- From nobody Thu Feb 14 06:43:54 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0AA8013119A for ; Thu, 14 Feb 2019 06:43:48 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2 X-Spam-Level: X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id F3Zb7MJ_wMLU for ; Thu, 14 Feb 2019 06:43:46 -0800 (PST) Received: from mail-wr1-x435.google.com (mail-wr1-x435.google.com [IPv6:2a00:1450:4864:20::435]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C349813119D for ; Thu, 14 Feb 2019 06:43:45 -0800 (PST) Received: by mail-wr1-x435.google.com with SMTP id c8so6755643wrs.4 for ; Thu, 14 Feb 2019 06:43:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=to:cc:from:subject:message-id:date:user-agent:mime-version :content-transfer-encoding:content-language; bh=eu962xLwpCLSpGPhOpQCLEMpuEuyM5UHYu5o6wlGb6o=; b=GrAfkaid2EEnzcWG+IcAfvzg1ghVV7vW/DWE5CR0nmIofAxZXzHC01n61Urs7ONss7 Y4CBONX8LAw3OKIl88CF8mQlMUmc7UgAOixoaaf1taojLBqhO76AMNXmQSW2ijgUlC9H 1HdhbcBUOOpnk/qB1X3E5w9Ci+m3ZLp64IFu37tONIU0MJKTOyIWNAU6Ism//Oyxcqvo vRUkd43zrBa9FxOPus2DZME0At9XMrlrnernkJ1zdOtrlmoWsAuoFBjqQUgk6TmVP5Z0 rGJQnwlqJQmeeHSjz1HnTLN4Q/lzfeBSRwQaaZbj59YxPF3E9X3qAnxZDP7ViswRleHA TWsA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:cc:from:subject:message-id:date:user-agent :mime-version:content-transfer-encoding:content-language; bh=eu962xLwpCLSpGPhOpQCLEMpuEuyM5UHYu5o6wlGb6o=; b=bsY+cdxJwQ8KIX/YLWwzbkOrIYqtOr71blWLz47s/BfQ9tFcX5QYj3v3Wy4tZUyfux dO+TBcIDjzRl8yQWHgtuW8fNMw+rLxITfzNpDkjvp+zmM4XS9PHnYw8gsAOnKFBCprH0 oaQb/beG6/pkKdoCJaIASYTKpd3FonnxASkKbWEA0CDbwRblPSlXY62y/9HcMqxhUDcS 5e8Nvx7pb/2o+6v7bDrRn37wd//H4Fj08N4sMQezS0O+EnsAe+9AEwKjkp2McVckZHAx Hdha4X2M34IxlvXGSUbmT88a0ZY03kG+gISfCAcsnbX64pGrxbwjRM1FQno0Asn7+m0N FF0g== X-Gm-Message-State: AHQUAuaLb9WpKnCocwCW9s4VfqhK4Spjzpwk9PmTaQQNoqtlhQB3mZvX C7foUsvrEDuoCB7Td/qhi0G2EFK5 X-Google-Smtp-Source: AHgI3IaQSVAWubtCJJ9aiGaHLbSp+bEqD50AdMLv//rOL8cTiFTccFUxJ1TYzufck7oF8MP6tKP1NA== X-Received: by 2002:a5d:548f:: with SMTP id h15mr3093259wrv.238.1550155423874; Thu, 14 Feb 2019 06:43:43 -0800 (PST) Received: from [192.168.178.22] ([62.3.64.16]) by smtp.gmail.com with ESMTPSA id w23sm2906627wmc.38.2019.02.14.06.43.42 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 14 Feb 2019 06:43:43 -0800 (PST) To: draft-gandhi-spring-rfc6374-srpm-mpls@tools.ietf.org Cc: "spring@ietf.org" From: Stewart Bryant Message-ID: Date: Thu, 14 Feb 2019 14:43:41 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-GB Archived-At: Subject: [spring] draft-gandhi-spring-rfc6374-srpm-mpls return path X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Feb 2019 14:43:53 -0000 I am not quite sure what it means to do a two way path measurement in MPLS SR since MPLS SR defines a per packet unidirectional path. However, assuming that this makes sense,  I don't see how the return path information is carried in the RFC6374 message. The draft does not ask IANA for any new types. Now it has been a long time since we wrote RFC6374, but I don't remember the design having the capability you require. Please could clarify how the return path operates in an MPLS SR environment? Best Regards - Stewart From nobody Thu Feb 14 11:37:52 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6469613119D; Thu, 14 Feb 2019 11:37:42 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.988 X-Spam-Level: X-Spam-Status: No, score=-1.988 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, T_KAM_HTML_FONT_INVALID=0.01, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id SnvI1dj6Hl0l; Thu, 14 Feb 2019 11:37:38 -0800 (PST) Received: from mail-lf1-x129.google.com (mail-lf1-x129.google.com [IPv6:2a00:1450:4864:20::129]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 914F413119C; Thu, 14 Feb 2019 11:37:37 -0800 (PST) Received: by mail-lf1-x129.google.com with SMTP id e27so5420691lfj.8; Thu, 14 Feb 2019 11:37:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=mfl+sCwxkGvJxJERq3lMvJ/wolMyQgf0FZvPUf2dJIY=; b=fsh8cuIxLDW1J+LbBypZzQPi/MG8c8uJKMkmyedGx1FUzKFSMg2D/OERs3lXUqXb5q kfpz564de9cC9WszxvSlfrU9e7Uyr+bxz/KkKbellb7p8aVu7ZHnmkhHywXOzQ9mdL2D 60Q4zbYPf+pOmNUnAcEFoKypC6LU2dsGcKv3dQWftarMz2OW9ZLU4cNrlHsakRnf42ga oeLoSIky3yk3ohU4fd0XkTywAoFVYwvgkcZjGAv9O8mGwlHFGwwlXJ7j89kLkxK2wBYx bJ93apwJPbv9fcQ1Ns7xg4Vau4muLAb6DeG2ASs5A0Zuh8SknZCTFLoPo2/HwoABFlTU 3Now== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=mfl+sCwxkGvJxJERq3lMvJ/wolMyQgf0FZvPUf2dJIY=; b=IfPpreWaZ2mHklprWBGnKZAnpR88Ejsn1ZJ8LvRMTewcyFCV6lWEtQ+E5caMJPDJQp TGMrl8EWthlNugE7uf3wDU0tQVI8anS+AKMsxjbrI0sZ8A40XfXE8EUYla3TTMXuQ9+c 3ERaz+TI49NWsJQcnW7rZHvreoIxMKXomF/+yf9QNdg32CJY4nsXOnL5Oe7ax+lPrlna yewFSElHIDxcIRyJiU1cfzb6GFDECQN5Z2LrqUHTdfvzlYglGoMMEbvEnKMl78TDPGhp Alck2YrmaILpRwThFa1Om+/mL14SEKhF344Xx2cu//J+0JDY/o8qrXVsSo0Z7UQFxt6X AXvQ== X-Gm-Message-State: AHQUAuadN2uVGRtsiM9AXkp7+k8khk7UwKQBj7iIiwe67nDERyh46V25 QoYL14awJJE8UyVPm1dXpwWSjVZYui+EVvKO2kc= X-Google-Smtp-Source: AHgI3IY8tRtlYL7VXzGJd22+yjcXLkWzL7gPo16W/t3QhbsfvPOXiYLC7Dl+4bj+1uVnJnUJjwt52XVYExIQRArHsRg= X-Received: by 2002:a19:9dd1:: with SMTP id g200mr3278526lfe.127.1550173055558; Thu, 14 Feb 2019 11:37:35 -0800 (PST) MIME-Version: 1.0 References: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> <9419b7d7-87ef-151f-5ed8-b0f78c6e83af@gmail.com> In-Reply-To: From: Greg Mirsky Date: Thu, 14 Feb 2019 11:37:24 -0800 Message-ID: To: Alexander Vainshtein Cc: "spring@ietf.org" , Stewart Bryant , "draft-cheng-spring-mpls-path-segment@ietf.org" , "mpls@ietf.org" , Loa Andersson Content-Type: multipart/alternative; boundary="000000000000512b060581dfca9d" Archived-At: Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Feb 2019 19:37:42 -0000 --000000000000512b060581dfca9d Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Dear All, I concur with all what has been said in support of the adoption of this draft by SPRING WG. The document is well-written, addresses the real problem in SR-MPLS, and the proposed solution is technically viable. My comments and questions are entirely for further discussion: - would the draft be expanded to demonstrate how "the Path Segment may be used to identify an SR-MPLS Policy, its Candidate-Path (CP) or a SID List (SL)"? - as many use cases for the Path Segment are related to OAM operations, it would be helpful to expand on the use of GAL and the Path Segment. Regards, Greg On Thu, Feb 14, 2019 at 1:12 AM Alexander Vainshtein < Alexander.Vainshtein@ecitele.com> wrote: > +1. > > > > I have been following this draft from its -00 revision. The current > revision has resolved most of the issues I (and others) have been raised > (e.g., elimination of excessive options). > > > > From my POV, in its current state the draft meets two basic requirements > for the WG adoption: > > 1. It addresses a real and relevant problem, namely the MPLS Flow > Identification problem discussed in general in RFC 8372 > and scoped to SR-MPLS LSPs in this > draft. Specifics of SR-MPLS include the need to provide end-to-end livene= ss > check that is one of the requirements explicitly specified in Section 2 o= f RFC > 8355 . > > 2. It provides a reasonable (from my POV) approach to solution of > this problem. > > > > I also concur with Stewart=E2=80=99s comment about strong similarity betw= een the > approach taken in this draft for SR-MPLS and generic work in progress on > synonymous flow labels > that has > been already adopted as a MPLS WG item. To me this is yet another > indication that the draft should be adopted. > > > > My 2c, > > Sasha > > > > Office: +972-39266302 > > Cell: +972-549266302 > > Email: Alexander.Vainshtein@ecitele.com > > > > -----Original Message----- > From: spring On Behalf Of Stewart Bryant > Sent: Wednesday, February 13, 2019 12:48 PM > To: Loa Andersson ; spring@ietf.org; > draft-cheng-spring-mpls-path-segment@ietf.org > Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment > > > > I have just read the draft and agree that it should be adopted by the WG. > It solves an important problem in instrumenting and protecting an SR path= . > > > > It should be noted that we needed to do something very similar in > mainstream MPLS via the synonymous label work which is already adopted. > > However SL did not address the SR case. We therefore need this path label > work to be progressed. > > > > - Stewart > > > > On 10/02/2019 08:11, Loa Andersson wrote: > > > Working Group, > > > > > > I have reviewed draft-cheng-spring-mpls-path-segment and as far as I > > > can see, it is ready for wg adoption. > > > > > > There were some comments in Bangkok, but due to the many collisions > > > between working groups at that meeting I couldn't attend the SPRING > > > f2f. > > > > > > The minutes are not clear, but as far as I understand, there is > > > nothing that can't be resolved in the wg process. > > > > > > /Loa > > > > _______________________________________________ > > spring mailing list > > spring@ietf.org > > https://www..ietf.org/mailman/listinfo/spring > > > _________________________________________________________________________= __ > > This e-mail message is intended for the recipient only and contains > information which is > CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have > received this > transmission in error, please inform us by e-mail, phone or fax, and then > delete the original > and all copies thereof. > _________________________________________________________________________= __ > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring > --000000000000512b060581dfca9d Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Dear Al= l,
I concur with all what has been said in support of the adoption of t= his draft by SPRING WG. The document is well-written, addresses the real pr= oblem in SR-MPLS, and the proposed solution is technically viable.
My comments and questions are entirely for further discussion:
=
  • would the=C2=A0draft be expanded to demonstrate how "the Path = Segment may be used to identify an SR-MPLS Policy, its Candidate-Path (CP) = or a SID List (SL)"?
  • as many use cases for the Path Segment ar= e related to OAM operations, it would be helpful to expand on the use of GA= L and the Path Segment.
Regards,
Greg

On Thu, Feb 14, 2019 at 1:12 AM Alexander Vainshtein <Alexander.Vainshtein@ecit= ele.com> wrote:

+1.

=C2=A0

I have been following = this draft from its -00 revision. The current revision has resolved most of= the issues I (and others) have been raised (e.g., elimination of excessive= options).

=C2=A0

From my POV, in its cu= rrent state the draft meets two basic requirements for the WG adoption:<= /u>

1.=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 It addresses a real and relev= ant problem, namely the MPLS Flow Identification problem discussed in gener= al in RFC 83= 72 and scoped to SR-MPLS LSPs in this draft. Specifics of SR-MPLS inclu= de the need to provide end-to-end liveness check that is one of the require= ments explicitly specified in Section 2 of RFC 8355<= /a>.

2.=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 It provides a reasonable (fro= m my POV) approach to =C2=A0solution of this problem.

=C2=A0

I also concur with Ste= wart=E2=80=99s comment about strong similarity between the approach taken i= n this draft for SR-MPLS and generic work in progress on synonymous flow labels that has bee= n already adopted as a MPLS WG item.=C2=A0 To me this is yet another indica= tion that the draft should be adopted.

=C2=A0

My 2c,

Sasha

=C2=A0

Office: +972-39266302<= u>

Cell:=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0 +972-549266302

Email:=C2=A0=C2=A0 Alexande= r.Vainshtein@ecitele.com

=C2=A0

-----Original Message-= ----
From: spring <spring-bounces@ietf.org> On Behalf Of Stewart Bryant
Sent: Wednesday, February 13, 2019 12:48 PM
To: Loa Andersson <loa@pi= .nu>; spring@ie= tf.org; draft-cheng-spring-mpls-path-segment@ietf.org
Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment

=C2=A0

I have just read the d= raft and agree that it should be adopted by the WG. It solves an important = problem in instrumenting and protecting an SR path.

=C2=A0

It should be noted tha= t we needed to do something very similar in mainstream MPLS via the synonym= ous label work which is already adopted.

However SL did not add= ress the SR case. We therefore need this path label work to be progressed.<= u>

=C2=A0

- Stewart

=C2=A0

On 10/02/2019 08:11, L= oa Andersson wrote:

> Working Group,=

>=C2=A0

> I have reviewed d= raft-cheng-spring-mpls-path-segment and as far as I

> can see, it is re= ady for wg adoption.

>=C2=A0

> There were some c= omments in Bangkok, but due to the many collisions

> between working g= roups at that meeting I couldn't attend the SPRING

> f2f.

>=C2=A0

> The minutes are n= ot clear, but as far as I understand, there is

> nothing that can&= #39;t be resolved in the wg process.

>=C2=A0

> /Loa

=C2=A0

______________________= _________________________

spring mailing list=

spring@ietf.org

https://www..ietf.org/mailman/listinfo/spri= ng


___________________________________________________________________________=

This e-mail message is intended for the recipient only and contains informa= tion which is
CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have recei= ved this
transmission in error, please inform us by e-mail, phone or fax, and then d= elete the original
and all copies thereof.
___________________________________________________________________________=
_______________________________________________
spring mailing list
spring@ietf.org https://www.ietf.org/mailman/listinfo/spring
--000000000000512b060581dfca9d-- From nobody Fri Feb 15 14:38:39 2019 Return-Path: X-Original-To: spring@ietf.org Delivered-To: spring@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id CC77F1200D7; Fri, 15 Feb 2019 14:38:37 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: spring@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.91.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: spring@ietf.org Message-ID: <155027031777.4538.571692745938535191@ietfa.amsl.com> Date: Fri, 15 Feb 2019 14:38:37 -0800 Archived-At: Subject: [spring] I-D Action: draft-ietf-spring-sr-yang-11.txt X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Feb 2019 22:38:38 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Source Packet Routing in Networking WG of the IETF. Title : YANG Data Model for Segment Routing Authors : Stephane Litkowski Yingzhen Qu Pushpasis Sarkar Jeff Tantsura Acee Lindem Filename : draft-ietf-spring-sr-yang-11.txt Pages : 30 Date : 2019-02-15 Abstract: This document defines a YANG data model ([RFC6020], [RFC7950]) for segment routing ([RFC8402]) configuration and operation. This YANG model is intended to be used on network elements to configure or operate segment routing. This document defines also generic containers that SHOULD be reused by IGP protocol modules to support segment routing. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-spring-sr-yang/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-spring-sr-yang-11 https://datatracker.ietf.org/doc/html/draft-ietf-spring-sr-yang-11 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-spring-sr-yang-11 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 Feb 15 16:41:00 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1B4E71289FA; Fri, 15 Feb 2019 16:40:58 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.28 X-Spam-Level: X-Spam-Status: No, score=-1.28 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_RP_RNBL=1.31, SPF_PASS=-0.001, T_KAM_HTML_FONT_INVALID=0.01] autolearn=no autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id oj-0DYJIwxuT; Fri, 15 Feb 2019 16:40:55 -0800 (PST) Received: from cmccmta2.chinamobile.com (cmccmta2.chinamobile.com [221.176.66.80]) by ietfa.amsl.com (Postfix) with ESMTP id 1CE5E127287; Fri, 15 Feb 2019 16:40:53 -0800 (PST) Received: from spf.mail.chinamobile.com (unknown[172.16.121.5]) by rmmx-syy-dmz-app05-12005 (RichMail) with SMTP id 2ee55c675c136a9-855ce; Sat, 16 Feb 2019 08:40:51 +0800 (CST) X-RM-TRANSID: 2ee55c675c136a9-855ce X-RM-TagInfo: emlType=0 X-RM-SPAM-FLAG: 00000000 Received: from cmcc (unknown[111.32.143.115]) by rmsmtp-syy-appsvr03-12003 (RichMail) with SMTP id 2ee35c675c115e8-a64b5; Sat, 16 Feb 2019 08:40:51 +0800 (CST) X-RM-TRANSID: 2ee35c675c115e8-a64b5 From: "Weiqiang Cheng" To: "'Greg Mirsky'" , "'Alexander Vainshtein'" Cc: , "'Stewart Bryant'" , , , "'Loa Andersson'" References: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> <9419b7d7-87ef-151f-5ed8-b0f78c6e83af@gmail.com> In-Reply-To: Date: Sat, 16 Feb 2019 08:40:49 +0800 Message-ID: <050301d4c590$445f5d50$cd1e17f0$@com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0504_01D4C5D3.52829D50" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AdTEnLWGUqstE6FFTsuVHdcBGm8kCgA8RPPw Content-Language: zh-cn Archived-At: Subject: [spring] =?utf-8?b?562U5aSNOiAgdG8gcHJvZ3Jlc3MgZHJhZnQtY2hlbmct?= =?utf-8?q?spring-mpls-path-segment?= X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 16 Feb 2019 00:40:58 -0000 This is a multi-part message in MIME format. ------=_NextPart_000_0504_01D4C5D3.52829D50 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Hi Greg, Thanks a lot for your comments. My comments are in-line. =20 B.R. Weiqiang Cheng =20 =E5=8F=91=E4=BB=B6=E4=BA=BA: Greg Mirsky [mailto:gregimirsky@gmail.com]=20 =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2019=E5=B9=B42=E6=9C=8815=E6=97=A5 = 3:37 =E6=94=B6=E4=BB=B6=E4=BA=BA: Alexander Vainshtein =E6=8A=84=E9=80=81: spring@ietf.org; Stewart Bryant; = draft-cheng-spring-mpls-path-segment@ietf.org; mpls@ietf.org; Loa = Andersson =E4=B8=BB=E9=A2=98: Re: [spring] to progress = draft-cheng-spring-mpls-path-segment =20 Dear All, I concur with all what has been said in support of the adoption of this = draft by SPRING WG. The document is well-written, addresses the real = problem in SR-MPLS, and the proposed solution is technically viable. My comments and questions are entirely for further discussion: * would the draft be expanded to demonstrate how "the Path Segment may = be used to identify an SR-MPLS Policy, its Candidate-Path (CP) or a SID = List (SL)"? [Weiqiang] Yes, It is necessary and we will add some text to demonstrate = this in the future version.=20 * as many use cases for the Path Segment are related to OAM operations, = it would be helpful to expand on the use of GAL and the Path Segment. [Weiqiang] It is always helpful to have more use cases. However, = The GAL is used today in MPLS-TP LSPs to flag the G-Ach and is used for = OAM packets only while the Path segment is used for data packets for the = each traffic flow. It is a little bit different.=20 Regards, Greg =20 On Thu, Feb 14, 2019 at 1:12 AM Alexander Vainshtein = wrote: +1. =20 I have been following this draft from its -00 revision. The current = revision has resolved most of the issues I (and others) have been raised = (e.g., elimination of excessive options). =20 >From my POV, in its current state the draft meets two basic requirements = for the WG adoption: 1. It addresses a real and relevant problem, namely the MPLS Flow = Identification problem discussed in general in RFC 8372 = and scoped to SR-MPLS LSPs in = this draft. Specifics of SR-MPLS include the need to provide end-to-end = liveness check that is one of the requirements explicitly specified in = Section 2 of RFC 8355 .=20 2. It provides a reasonable (from my POV) approach to solution of = this problem. =20 I also concur with Stewart=E2=80=99s comment about strong similarity = between the approach taken in this draft for SR-MPLS and generic work in = progress on synonymous flow labels = that has = been already adopted as a MPLS WG item. To me this is yet another = indication that the draft should be adopted. =20 My 2c, Sasha =20 Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com =20 -----Original Message----- From: spring On Behalf Of Stewart Bryant Sent: Wednesday, February 13, 2019 12:48 PM To: Loa Andersson >; spring@ietf.org; = draft-cheng-spring-mpls-path-segment@ietf.org Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment =20 I have just read the draft and agree that it should be adopted by the = WG. It solves an important problem in instrumenting and protecting an SR = path. =20 It should be noted that we needed to do something very similar in = mainstream MPLS via the synonymous label work which is already adopted.=20 However SL did not address the SR case. We therefore need this path = label work to be progressed. =20 - Stewart =20 On 10/02/2019 08:11, Loa Andersson wrote: > Working Group, >=20 > I have reviewed draft-cheng-spring-mpls-path-segment and as far as I=20 > can see, it is ready for wg adoption. >=20 > There were some comments in Bangkok, but due to the many collisions=20 > between working groups at that meeting I couldn't attend the SPRING=20 > f2f. >=20 > The minutes are not clear, but as far as I understand, there is=20 > nothing that can't be resolved in the wg process. >=20 > /Loa =20 _______________________________________________ spring mailing list spring@ietf.org = https://www..ietf.org/mailman/listinfo/spring _________________________________________________________________________= __ This e-mail message is intended for the recipient only and contains = information which is=20 CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have = received this=20 transmission in error, please inform us by e-mail, phone or fax, and = then delete the original=20 and all copies thereof. _________________________________________________________________________= __ _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring ------=_NextPart_000_0504_01D4C5D3.52829D50 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

Hi Greg,

Thanks a lot for your comments.

My comments are in-line.

 

B.R.

Weiqiang Cheng

 

=E5=8F=91=E4=BB=B6=E4=BA=BA: Greg Mirsky [mailto:gregimirsky@gmail.com] =
=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2019=E5=B9=B42=E6=9C=8815=E6=97=A5 3:37
=E6=94=B6=E4=BB=B6=E4=BA=BA: Alexander = Vainshtein
=E6=8A=84=E9=80=81: spring@ietf.org; Stewart = Bryant; draft-cheng-spring-mpls-path-segment@ietf.org; mpls@ietf.org; = Loa Andersson
=E4=B8=BB=E9=A2=98: Re: [spring] to progress = draft-cheng-spring-mpls-path-segment

 

Dear = All,

I = concur with all what has been said in support of the adoption of this = draft by SPRING WG. The document is well-written, addresses the real = problem in SR-MPLS, and the proposed solution is technically = viable.

My comments and questions are entirely for further = discussion:

  • would the draft be expanded to = demonstrate how "the Path Segment may be used to identify an = SR-MPLS Policy, its Candidate-Path (CP) or a SID List = (SL)"?

[Weiqiang] Yes, It is necessary and we will add some text to = demonstrate this in the future version.

  • as many use cases for the Path Segment = are related to OAM operations, it would be helpful to expand on the use = of GAL and the Path Segment.

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =C2=A0[Weiqiang] It is always helpful to have more use cases. However, The = GAL is used today in MPLS-TP LSPs to flag the G-Ach and is used for OAM = packets only while the Path segment is used for data packets for the = each traffic flow. It is a little bit different. =

Regards,

Greg

 

On Thu, Feb 14, 2019 at 1:12 AM = Alexander Vainshtein <Alexander.Vainshtein@eci= tele.com> wrote:

+1.

 

I have = been following this draft from its -00 revision. The current revision = has resolved most of the issues I (and others) have been raised (e.g., = elimination of excessive options).

 

From = my POV, in its current state the draft meets two basic requirements for = the WG adoption:

1.       It addresses a real and relevant problem, namely the MPLS = Flow Identification problem discussed in general in RFC = 8372 and scoped to SR-MPLS LSPs in this draft. Specifics of SR-MPLS = include the need to provide end-to-end liveness check that is one of the = requirements explicitly specified in Section 2 of RFC = 8355.

2.       It provides a reasonable (from my POV) approach to =  solution of this problem.

 

I also = concur with Stewart=E2=80=99s comment about strong similarity between = the approach taken in this draft for SR-MPLS and generic work in progress on synonymous flow labels that = has been already adopted as a MPLS WG item.  To me this is yet = another indication that the draft should be = adopted.

 

My = 2c,

Sasha

 

Office: +972-39266302

Cell:      = +972-549266302

Email:   Alexander.Vainshtein@ecitele.com<= /p>

 

-----Original Message-----
From: spring <spring-bounces@ietf.org> On Behalf Of Stewart = Bryant
Sent: Wednesday, February 13, 2019 12:48 PM
To: Loa = Andersson <loa@pi..nu>; spring@ietf.org; draft-cheng-spring-mpls-path-segment@ietf.org
Su= bject: Re: [spring] to progress = draft-cheng-spring-mpls-path-segment

 

I have = just read the draft and agree that it should be adopted by the WG. It = solves an important problem in instrumenting and protecting an SR = path.

 

It = should be noted that we needed to do something very similar in = mainstream MPLS via the synonymous label work which is already adopted. =

However SL did not address the SR case. We therefore need = this path label work to be progressed.

 

- = Stewart

 

On = 10/02/2019 08:11, Loa Andersson wrote:

> = Working Group,

> 

> I = have reviewed draft-cheng-spring-mpls-path-segment and as far as I =

> = can see, it is ready for wg adoption.

> 

> = There were some comments in Bangkok, but due to the many collisions =

> = between working groups at that meeting I couldn't attend the SPRING =

> = f2f.

> 

> = The minutes are not clear, but as far as I understand, there is =

> = nothing that can't be resolved in the wg = process.

> 

> = /Loa

 

_______________________________________________

spring mailing list

spring@ietf.org

https://www..ietf.org/mai= lman/listinfo/spring


________________________________________________________= ___________________

This e-mail message is intended for the = recipient only and contains information which is
CONFIDENTIAL and = which may be proprietary to ECI Telecom. If you have received this =
transmission in error, please inform us by e-mail, phone or fax, and = then delete the original
and all copies = thereof.
_____________________________________________________________= ______________

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

------=_NextPart_000_0504_01D4C5D3.52829D50-- From nobody Sat Feb 16 13:24:26 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 73C1F1200ED; Sat, 16 Feb 2019 13:24:24 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.988 X-Spam-Level: X-Spam-Status: No, score=-1.988 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, T_KAM_HTML_FONT_INVALID=0.01, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ocFlxJRCdH4i; Sat, 16 Feb 2019 13:24:22 -0800 (PST) Received: from mail-lj1-x22c.google.com (mail-lj1-x22c.google.com [IPv6:2a00:1450:4864:20::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9C2F7126F72; Sat, 16 Feb 2019 13:24:21 -0800 (PST) Received: by mail-lj1-x22c.google.com with SMTP id w6so6462320ljd.7; Sat, 16 Feb 2019 13:24:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=VaBceLmBUPvYrZQD/6sAcUTK+VFMky4elCm1aGgl8Ws=; b=RVlmXn+nNRrHwvjeJy5ua0/izXoegC2gKv6hLS+xCywdoMZoLEcaO7AsNWCM5xOYEb edtKujjkEycD8LXQBqHx+e1YMjUa6rnEkWURntbVmLFYB+ZSVBKYJezYRmg5/PyFsnz4 +sXKQp5+8ztxcQPeOpPtzOPBkJ0sBz4TSEUE6CQwIQ1neKvmJV5eQ3NOFn4WP9vqL73I VRjItwg3YWWCBGiEBfP3oiLaztszMSlPOCBwsm0Zn0M7GqubfF81YHr4r+QpYZ979miP Jh8h0SvNOr2FMMRuEwt/qouMt4ebsX2Gr3JKjRUW8zW8/CspcQhOZKF/YDBEBV9wsG+X Juew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=VaBceLmBUPvYrZQD/6sAcUTK+VFMky4elCm1aGgl8Ws=; b=PVw/FKeBCB5nQlGEDjvUCJyxKJwISpkQzw6hotEQdabre8IuLya2/ZKZdQjctLCUX6 JvUXSjpNBG4uiPHzwuNBdpMKDa2mMKqadIkOO3b0N9wkqqIUfJPVdWpCsUUQaeK/ysIk 6fRrZaMy484w5G5SNZeD581MqRSJzNyHcNdmmXlJnKJkb1N49C4BqLxYj/tS+xpBNi1F sqbGiHhkgQmpdmuSlCt9KG4pHogakyihiOMKf8Ch7jmi6kT/fBfmqieoyee9utL3jH/j BfKMRFSQ618ijG7B5cwWwAewJyvlCD4XhRwjls2ORoIt5v/wEOV1QecAUHTxF2836POB Z/Xg== X-Gm-Message-State: AHQUAuaeaXPjH9clS3nejmmmA5nfs+Myowplo01BW0CwMH/A1kIXx4r/ VNkdudZTVrwLVefPMKf+WOr12s+IgQc/xeW0Tq4= X-Google-Smtp-Source: AHgI3IYrL+6U/iN9SFVsia9KADU6RpOv0XOdGb2ENNclbvyB2/abmNzQyEDGcF0A1B7+cPHCNojwcdXZ95lf1b3ne2c= X-Received: by 2002:a2e:81a:: with SMTP id 26-v6mr9514893lji.14.1550352259455; Sat, 16 Feb 2019 13:24:19 -0800 (PST) MIME-Version: 1.0 References: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> <9419b7d7-87ef-151f-5ed8-b0f78c6e83af@gmail.com> <050301d4c590$445f5d50$cd1e17f0$@com> In-Reply-To: <050301d4c590$445f5d50$cd1e17f0$@com> From: Greg Mirsky Date: Sat, 16 Feb 2019 13:24:09 -0800 Message-ID: To: Weiqiang Cheng Cc: Alexander Vainshtein , spring , Stewart Bryant , draft-cheng-spring-mpls-path-segment@ietf.org, mpls@ietf.org, Loa Andersson Content-Type: multipart/alternative; boundary="000000000000b39f570582098306" Archived-At: Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 16 Feb 2019 21:24:24 -0000 --000000000000b39f570582098306 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Weiqiang Cheng, thank you for your expedient response to my questions. The document states that one of the use cases for the Path segment is to be used as a performance, packet loss and/or delay, measurement session identifier. I think that RFC 6374 is the most suitable for PM OAM in SR-MPLS environment. Of course, the type of the encapsulated message can be identified using the destination UDP port number with IP/UDP encapsulation. But another option is to use G-ACh encapsulation. That would require the use of GAL. And that is how I've arrived at my original question (I should have explained it better, my apologies): How the Path segment and GAL are placed relative to each other in the SR-MPLS label stack? Regards, Greg On Fri, Feb 15, 2019 at 4:40 PM Weiqiang Cheng < chengweiqiang@chinamobile.com> wrote: > Hi Greg, > > Thanks a lot for your comments. > > My comments are in-line. > > > > B.R. > > Weiqiang Cheng > > > > *=E5=8F=91=E4=BB=B6=E4=BA=BA:* Greg Mirsky [mailto:gregimirsky@gmail.com] > *=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4:* 2019=E5=B9=B42=E6=9C=8815=E6=97= =A5 3:37 > *=E6=94=B6=E4=BB=B6=E4=BA=BA:* Alexander Vainshtein > *=E6=8A=84=E9=80=81:* spring@ietf.org; Stewart Bryant; > draft-cheng-spring-mpls-path-segment@ietf.org; mpls@ietf.org; Loa > Andersson > *=E4=B8=BB=E9=A2=98:* Re: [spring] to progress draft-cheng-spring-mpls-pa= th-segment > > > > Dear All, > > I concur with all what has been said in support of the adoption of this > draft by SPRING WG. The document is well-written, addresses the real > problem in SR-MPLS, and the proposed solution is technically viable. > > My comments and questions are entirely for further discussion: > > - would the draft be expanded to demonstrate how "the Path Segment may > be used to identify an SR-MPLS Policy, its Candidate-Path (CP) or a SI= D > List (SL)"? > > [Weiqiang] Yes, It is necessary and we will add some text to demonstrate > this in the future version. > > - as many use cases for the Path Segment are related to OAM > operations, it would be helpful to expand on the use of GAL and the Pa= th > Segment. > > [Weiqiang] It is always helpful to have more use cases. However, > The GAL is used today in MPLS-TP LSPs to flag the G-Ach and is used for O= AM > packets only while the Path segment is used for data packets for the each > traffic flow. It is a little bit different. > > Regards, > > Greg > > > > On Thu, Feb 14, 2019 at 1:12 AM Alexander Vainshtein < > Alexander.Vainshtein@ecitele.com> wrote: > > +1. > > > > I have been following this draft from its -00 revision. The current > revision has resolved most of the issues I (and others) have been raised > (e.g., elimination of excessive options). > > > > From my POV, in its current state the draft meets two basic requirements > for the WG adoption: > > 1. It addresses a real and relevant problem, namely the MPLS Flow > Identification problem discussed in general in RFC 8372 > and scoped to SR-MPLS LSPs in this > draft. Specifics of SR-MPLS include the need to provide end-to-end livene= ss > check that is one of the requirements explicitly specified in Section 2 o= f RFC > 8355 . > > 2. It provides a reasonable (from my POV) approach to solution of > this problem. > > > > I also concur with Stewart=E2=80=99s comment about strong similarity betw= een the > approach taken in this draft for SR-MPLS and generic work in progress on > synonymous flow labels > that has > been already adopted as a MPLS WG item. To me this is yet another > indication that the draft should be adopted. > > > > My 2c, > > Sasha > > > > Office: +972-39266302 > > Cell: +972-549266302 > > Email: Alexander.Vainshtein@ecitele.com > > > > -----Original Message----- > From: spring On Behalf Of Stewart Bryant > Sent: Wednesday, February 13, 2019 12:48 PM > To: Loa Andersson >; spring@ietf.org; > draft-cheng-spring-mpls-path-segment@ietf.org > Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment > > > > I have just read the draft and agree that it should be adopted by the WG. > It solves an important problem in instrumenting and protecting an SR path= . > > > > It should be noted that we needed to do something very similar in > mainstream MPLS via the synonymous label work which is already adopted. > > However SL did not address the SR case. We therefore need this path label > work to be progressed. > > > > - Stewart > > > > On 10/02/2019 08:11, Loa Andersson wrote: > > > Working Group, > > > > > > I have reviewed draft-cheng-spring-mpls-path-segment and as far as I > > > can see, it is ready for wg adoption. > > > > > > There were some comments in Bangkok, but due to the many collisions > > > between working groups at that meeting I couldn't attend the SPRING > > > f2f. > > > > > > The minutes are not clear, but as far as I understand, there is > > > nothing that can't be resolved in the wg process. > > > > > > /Loa > > > > _______________________________________________ > > spring mailing list > > spring@ietf.org > > https://www..ietf.org/mailman/listinfo/spring > > > _________________________________________________________________________= __ > > This e-mail message is intended for the recipient only and contains > information which is > CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have > received this > transmission in error, please inform us by e-mail, phone or fax, and then > delete the original > and all copies thereof. > _________________________________________________________________________= __ > > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring > > --000000000000b39f570582098306 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi=C2=A0Weiqiang Cheng,
thank you for your expedient r= esponse to my questions. The document states that one of the use cases for = the Path segment is to be used as a performance, packet loss and/or delay, = measurement session identifier. I think that RFC 6374 is the most suitable = for PM OAM in SR-MPLS environment. Of course, the type of the encapsulated= =C2=A0message can be identified using the destination UDP port number with = IP/UDP encapsulation. But another option is to use G-ACh encapsulation. Tha= t would require the use of GAL. And that is how I've arrived at my orig= inal question (I should have explained it better, my apologies):
=
How th= e Path segment and GAL are placed relative to each other in the SR-MPLS lab= el stack?

Regards,
Greg

On = Fri, Feb 15, 2019 at 4:40 PM Weiqiang Cheng <chengweiqiang@chinamobile.com> wrote:

<= span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:Calibri,sans-seri= f;color:rgb(31,73,125)">Hi Greg,

Thanks a lot for your comments.=

My comments are = in-line.

=C2=A0

B.R.

Weiqiang Cheng

<= span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:Calibri,sans-seri= f;color:rgb(31,73,125)">=C2=A0

=E5=8F=91=E4=BB=B6=E4=BA=BA: Greg Mirsky [mailto:gregimirsky@gmail.= com]
=E5=8F=91=E9=80=81=E6= =97=B6=E9=97=B4: 2019=E5=B9= =B42=E6=9C=8815=E6= =97=A5 3:37
=E6=94=B6=E4=BB=B6=E4=BA=BA: Alexander Vainshtein=E6=8A=84=E9=80=81: spring@iet= f.org; Stewart Bryant; draft-cheng-spring-mpls-path-segment@iet= f.org; mpls@ietf.org= ; Loa Andersson
=E4=B8=BB=E9=A2=98: Re: [spring] to progress draft-cheng-spring-= mpls-path-segment

=C2=A0

=

Dear All,<= /p>

I concur with all what = has been said in support of the adoption of this draft by SPRING WG. The do= cument is well-written, addresses the real problem in SR-MPLS, and the prop= osed solution is technically viable.

My comments and questions are enti= rely for further discussion:

  • would the=C2=A0draft be= expanded to demonstrate how "the Path Segment may be used to identify= an SR-MPLS Policy, its Candidate-Path (CP) or a SID List (SL)"?

[W= eiqiang] Yes, It is necessary and=C2=A0we will add some text to demonstrate= this in the future version.

    as many use cases for the Path Se= gment are related to OAM operations, it would be helpful to expand on the u= se of GAL and the Path Segment.

=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0 =C2=A0[Weiqiang] It is alw= ays helpful to have more use cases. However, The GAL is used today in MPLS-= TP LSPs to flag the G-Ach and is used for OAM packets only while the Path s= egment is used for data packets for the each traffic flow. It is a little b= it different.

Regards,

Greg

=C2=A0

On Th= u, Feb 14, 2019 at 1:12 AM Alexander Vainshtein <Alexander.Vainshtein@ecitele= .com> wrote:

+1.

=C2=A0

I have b= een following this draft from its -00 revision. The current revision has re= solved most of the issues I (and others) have been raised (e.g., eliminatio= n of excessive options).

= =C2=A0

From my POV, in its= current state the draft meets two basic requirements for the WG adoption:<= u>

1.=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 It addresses a real and relevant problem, namely the MPLS F= low Identification problem discussed in general in RFC 8372 and scoped to SR-MPL= S LSPs in this draft. Specifics of SR-MPLS include the need to provide end-= to-end liveness check that is one of the requirements explicitly specified = in Section 2 of RFC 8355.

2.=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0 It provides a reasonable (from my POV= ) approach to =C2=A0solution of this problem.

<= span lang=3D"EN-US">=C2=A0

I also concur with Stewart=E2=80=99s comment about strong similarity betwe= en the approach taken in this draft for SR-MPLS and generic work in progress on synonymous flow labels that has been already adopt= ed as a MPLS WG item.=C2=A0 To me this is yet another indication that the d= raft should be adopted.

= =C2=A0

My 2c,

Sasha

=C2=A0

Of= fice: +972-39266302

Cell:= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +972-549266302

<= span lang=3D"EN-US">Email:=C2=A0=C2=A0 Alexander.Vainshtein@ecitele.com

=C2=A0

-----Original Message-----
From: spring <spring-bounces@i= etf.org> On Behalf Of Stewart Bryant
Sent: Wednesday, February 13= , 2019 12:48 PM
To: Loa Andersson <loa@pi..nu>; spring@ietf.org; draft-cheng-spring-mpls-path-segme= nt@ietf.org
Subject: Re: [spring] to progress draft-cheng-spring-mpl= s-path-segment

=C2=A0

I have just read the draft and= agree that it should be adopted by the WG. It solves an important problem = in instrumenting and protecting an SR path.

=C2=A0

I= t should be noted that we needed to do something very similar in mainstream= MPLS via the synonymous label work which is already adopted.

However SL did not address the SR case= . We therefore need this path label work to be progressed.

=C2=A0

- Stewart

= =C2=A0

On 10/02/2019 08:11= , Loa Andersson wrote:

>= ; Working Group,

>=C2= =A0

> I have reviewed d= raft-cheng-spring-mpls-path-segment and as far as I

> can see, it is ready for wg adoption.

>=C2=A0=

> There were some comments in Bangkok, but = due to the many collisions

> between working groups at that meeting I couldn't attend the SPR= ING

> f2f.

>=C2=A0

> The minutes are not clear, but as far as I unde= rstand, there is

> not= hing that can't be resolved in the wg process.

=

>=C2=A0

> /Loa

=C2= =A0

______________________= _________________________

= spring mailing list

spring@ietf.org

https://www..ietf.org/mailman/listinfo/spring


________= ___________________________________________________________________

= This e-mail message is intended for the recipient only and contains informa= tion which is
CONFIDENTIAL and which may be proprietary to ECI Telecom.= If you have received this
transmission in error, please inform us by e= -mail, phone or fax, and then delete the original
and all copies thereo= f.
_____________________________________________________________________= ______

_______________________________________________
spring mailing lis= t
spring@ietf.org
https://www.ietf.org/mailman/listinfo/spring=

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Wed, 20 Feb 2019 01:01:45 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.6 X-Spam-Level: X-Spam-Status: No, score=-2.6 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ZHB8VW87eL-l; Wed, 20 Feb 2019 01:01:40 -0800 (PST) Received: from orange.com (mta134.mail.business.static.orange.com [80.12.70.34]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id F0B20129619; Wed, 20 Feb 2019 01:01:39 -0800 (PST) Received: from opfednr01.francetelecom.fr (unknown [xx.xx.xx.65]) by opfednr22.francetelecom.fr (ESMTP service) with ESMTP id 444BRk2y6vz10Sp; Wed, 20 Feb 2019 10:01:38 +0100 (CET) Received: from Exchangemail-eme6.itn.ftgroup (unknown [xx.xx.13.86]) by opfednr01.francetelecom.fr (ESMTP service) with ESMTP id 444BRk22TdzDq7B; Wed, 20 Feb 2019 10:01:38 +0100 (CET) Received: from OPEXCAUBM43.corporate.adroot.infra.ftgroup ([fe80::b846:2467:1591:5d9d]) by OPEXCAUBMA4.corporate.adroot.infra.ftgroup ([fe80::4538:d7b0:3c64:8ed3%22]) with mapi id 14.03.0435.000; Wed, 20 Feb 2019 10:01:38 +0100 From: To: SPRING WG , Jeff Tantsura , "draft-cheng-spring-mpls-path-segment@ietf.org" Thread-Topic: IPR Poll for draft-cheng-spring-mpls-path-segment Thread-Index: AdTI+aHnu6PjEJCrTUS5JlToWqMmlg== Date: Wed, 20 Feb 2019 09:01:37 +0000 Message-ID: <31462_1550653298_5C6D1772_31462_23_1_53C29892C857584299CBF5D05346208A489DDD21@OPEXCAUBM43.corporate.adroot.infra.ftgroup> Accept-Language: fr-FR, en-US Content-Language: fr-FR X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.114.13.247] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Archived-At: Subject: [spring] IPR Poll for draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Feb 2019 09:01:45 -0000 Hi Jeff, authors, SPRING WG, In parallel to the call for adoption for draft-cheng-spring-mpls-path-segme= nt (1), we would like to poll for IPR. If you are aware of IPR that applies to draft-cheng-spring-mpls-path-segmen= t please respond to this email. If you are aware of IPR, please indicate whether it has been disclosed in a= ccordance with IETF IPR rules (RFCs 3979, 4879, 3669 and 5378 provide more = details). If you are an *author or contributor* please respond to this email regardle= ss of whether or not you're aware of any IPR. If you are not an author or contributor, please explicitly respond only if = you are aware of IPR that has not yet been disclosed. During IETF 103, Jeff said that Ericsson owns an IPR on this. Jeff, do you = want to provide more details on this? Do you want to fill a third party IPR= disclosure? This document will not advance into the working group until IPR confirmatio= ns have been received from all authors and contributors. Thanks, (1) https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segment --Bruno & Rob. ___________________________________________________________________________= ______________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confiden= tielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu= ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages el= ectroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou = falsifie. Merci. This message and its attachments may contain confidential or privileged inf= ormation that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and dele= te this message and its attachments. As emails may be altered, Orange is not liable for messages that have been = modified, changed or falsified. Thank you. From nobody Wed Feb 20 01:03:40 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BA8FE12D827; Wed, 20 Feb 2019 01:03:38 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.6 X-Spam-Level: X-Spam-Status: No, score=-2.6 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id UoX6yevkZDE3; Wed, 20 Feb 2019 01:03:37 -0800 (PST) Received: from orange.com (mta134.mail.business.static.orange.com [80.12.70.34]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 431AD129619; Wed, 20 Feb 2019 01:03:37 -0800 (PST) Received: from opfednr01.francetelecom.fr (unknown [xx.xx.xx.65]) by opfednr23.francetelecom.fr (ESMTP service) with ESMTP id 444BV00SRnz5vsy; Wed, 20 Feb 2019 10:03:36 +0100 (CET) Received: from Exchangemail-eme6.itn.ftgroup (unknown [xx.xx.13.42]) by opfednr01.francetelecom.fr (ESMTP service) with ESMTP id 444BTz6mYJzDq7N; Wed, 20 Feb 2019 10:03:35 +0100 (CET) Received: from OPEXCAUBM43.corporate.adroot.infra.ftgroup ([fe80::b846:2467:1591:5d9d]) by OPEXCAUBMA2.corporate.adroot.infra.ftgroup ([fe80::e878:bd0:c89e:5b42%21]) with mapi id 14.03.0435.000; Wed, 20 Feb 2019 10:03:35 +0100 From: To: SPRING WG CC: "draft-cheng-spring-mpls-path-segment@ietf.org" Thread-Topic: Working Group Adoption Call for draft-cheng-spring-mpls-path-segment Thread-Index: AdTI+yX+eAAuLEf1QBG2rBcwZFgn7g== Date: Wed, 20 Feb 2019 09:03:35 +0000 Message-ID: <31462_1550653415_5C6D17E7_31462_208_1_53C29892C857584299CBF5D05346208A489DDD8F@OPEXCAUBM43.corporate.adroot.infra.ftgroup> Accept-Language: fr-FR, en-US Content-Language: fr-FR X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.114.13.247] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Archived-At: Subject: [spring] Working Group Adoption Call for draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Feb 2019 09:03:39 -0000 Hi SPRING WG, This email initiates a two week call for working group adoption for draft-c= heng-spring-mpls-path-segment. Please indicate your support, comments, or objection, for adopting this dra= ft as a working group item by March 6th 2019. We are particularly interested in hearing from working group members that a= re not co-authors of this draft. We are also looking for volunteers who would be ready to perform a technica= l review of this work at some later stage, such as before or during WG the = last call. Additionally, there are currently 7 authors listed on this document. Please= trim this to <=3D 5 front-page authors, utilising a "Contributors" section= if required for the others. An approach to achieving this would be to list= ~2 editors as the front-page authors. In parallel to this adoption call, I will send an IPR call for this documen= t. We will need all authors and contributors to confirm their IPR position = on this document. (1) https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segment Thanks, --Bruno & Rob. ___________________________________________________________________________= ______________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confiden= tielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu= ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages el= ectroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou = falsifie. Merci. This message and its attachments may contain confidential or privileged inf= ormation that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and dele= te this message and its attachments. As emails may be altered, Orange is not liable for messages that have been = modified, changed or falsified. Thank you. From nobody Wed Feb 20 01:32:31 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 08AC8130DC4; Wed, 20 Feb 2019 01:32:29 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.201 X-Spam-Level: X-Spam-Status: No, score=-4.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CE7KAhHJHMGr; Wed, 20 Feb 2019 01:32:27 -0800 (PST) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 182AB124B0C; Wed, 20 Feb 2019 01:32:27 -0800 (PST) Received: from lhreml704-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id 11D3334E8E695F7C95E9; Wed, 20 Feb 2019 09:32:24 +0000 (GMT) Received: from DGGEML406-HUB.china.huawei.com (10.3.17.50) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 20 Feb 2019 09:32:23 +0000 Received: from DGGEML510-MBX.china.huawei.com ([169.254.2.6]) by dggeml406-hub.china.huawei.com ([10.3.17.50]) with mapi id 14.03.0415.000; Wed, 20 Feb 2019 17:32:18 +0800 From: Mach Chen To: "bruno.decraene@orange.com" , SPRING WG , Jeff Tantsura , "draft-cheng-spring-mpls-path-segment@ietf.org" Thread-Topic: IPR Poll for draft-cheng-spring-mpls-path-segment Thread-Index: AdTI+aHnu6PjEJCrTUS5JlToWqMmlgABT7Dg Date: Wed, 20 Feb 2019 09:32:18 +0000 Message-ID: References: <31462_1550653298_5C6D1772_31462_23_1_53C29892C857584299CBF5D05346208A489DDD21@OPEXCAUBM43.corporate.adroot.infra.ftgroup> In-Reply-To: <31462_1550653298_5C6D1772_31462_23_1_53C29892C857584299CBF5D05346208A489DDD21@OPEXCAUBM43.corporate.adroot.infra.ftgroup> Accept-Language: en-US, zh-CN Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.111.194.201] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [spring] IPR Poll for draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Feb 2019 09:32:29 -0000 Hi Bruno & Rob, I am not aware of any IPR that applies to this document. Best regards, Mach > -----Original Message----- > From: bruno.decraene@orange.com [mailto:bruno.decraene@orange.com] > Sent: Wednesday, February 20, 2019 5:02 PM > To: SPRING WG ; Jeff Tantsura ; > draft-cheng-spring-mpls-path-segment@ietf.org > Subject: IPR Poll for draft-cheng-spring-mpls-path-segment >=20 > Hi Jeff, authors, SPRING WG, >=20 > In parallel to the call for adoption for draft-cheng-spring-mpls-path-seg= ment > (1), we would like to poll for IPR. >=20 > If you are aware of IPR that applies to draft-cheng-spring-mpls-path- > segment please respond to this email. > If you are aware of IPR, please indicate whether it has been disclosed in > accordance with IETF IPR rules (RFCs 3979, 4879, 3669 and 5378 provide mo= re > details). >=20 > If you are an *author or contributor* please respond to this email regard= less > of whether or not you're aware of any IPR. > If you are not an author or contributor, please explicitly respond only i= f you > are aware of IPR that has not yet been disclosed. >=20 > During IETF 103, Jeff said that Ericsson owns an IPR on this. Jeff, do yo= u want > to provide more details on this? Do you want to fill a third party IPR di= sclosure? >=20 > This document will not advance into the working group until IPR > confirmations have been received from all authors and contributors. >=20 > Thanks, >=20 > (1) https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segment >=20 > --Bruno & Rob. >=20 >=20 > __________________________________________________________ > __________________________________________________________ > _____ >=20 > Ce message et ses pieces jointes peuvent contenir des informations > confidentielles ou privilegiees et ne doivent donc pas etre diffuses, exp= loites > ou copies sans autorisation. Si vous avez recu ce message par erreur, veu= illez > le signaler a l'expediteur et le detruire ainsi que les pieces jointes. L= es > messages electroniques etant susceptibles d'alteration, Orange decline to= ute > responsabilite si ce message a ete altere, deforme ou falsifie. Merci. >=20 > This message and its attachments may contain confidential or privileged > information that may be protected by law; they should not be distributed, > used or copied without authorisation. > If you have received this email in error, please notify the sender and de= lete > this message and its attachments. > As emails may be altered, Orange is not liable for messages that have bee= n > modified, changed or falsified. > Thank you. From nobody Wed Feb 20 02:04:00 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D1E9812DDA3; Wed, 20 Feb 2019 02:03:59 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.201 X-Spam-Level: X-Spam-Status: No, score=-4.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id WBH1mnvUMHci; Wed, 20 Feb 2019 02:03:58 -0800 (PST) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 1571F124B0C; Wed, 20 Feb 2019 02:03:58 -0800 (PST) Received: from lhreml708-cah.china.huawei.com (unknown [172.18.7.108]) by Forcepoint Email with ESMTP id 8FEC9D65B44143292152; Wed, 20 Feb 2019 10:03:56 +0000 (GMT) Received: from DGGEML422-HUB.china.huawei.com (10.1.199.39) by lhreml708-cah.china.huawei.com (10.201.108.49) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 20 Feb 2019 10:03:56 +0000 Received: from DGGEML529-MBX.china.huawei.com ([169.254.6.187]) by dggeml422-hub.china.huawei.com ([10.1.199.39]) with mapi id 14.03.0415.000; Wed, 20 Feb 2019 18:03:52 +0800 From: "Chengli (Cheng Li)" To: "bruno.decraene@orange.com" , SPRING WG , Jeff Tantsura , "draft-cheng-spring-mpls-path-segment@ietf.org" Thread-Topic: IPR Poll for draft-cheng-spring-mpls-path-segment Thread-Index: AdTI+aHnu6PjEJCrTUS5JlToWqMmlgACdlKA Date: Wed, 20 Feb 2019 10:03:52 +0000 Message-ID: References: <31462_1550653298_5C6D1772_31462_23_1_53C29892C857584299CBF5D05346208A489DDD21@OPEXCAUBM43.corporate.adroot.infra.ftgroup> In-Reply-To: <31462_1550653298_5C6D1772_31462_23_1_53C29892C857584299CBF5D05346208A489DDD21@OPEXCAUBM43.corporate.adroot.infra.ftgroup> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.130.185.75] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [spring] IPR Poll for draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Feb 2019 10:04:00 -0000 Hi Bruno & Rob, I am not aware of any IPR that applies to this document. Best regards, Cheng -----Original Message----- From: spring [mailto:spring-bounces@ietf.org] On Behalf Of bruno.decraene@o= range.com Sent: Wednesday, February 20, 2019 5:02 PM To: SPRING WG ; Jeff Tantsura ; d= raft-cheng-spring-mpls-path-segment@ietf.org Subject: [spring] IPR Poll for draft-cheng-spring-mpls-path-segment Hi Jeff, authors, SPRING WG, In parallel to the call for adoption for draft-cheng-spring-mpls-path-segme= nt (1), we would like to poll for IPR. If you are aware of IPR that applies to draft-cheng-spring-mpls-path-segmen= t please respond to this email. If you are aware of IPR, please indicate whether it has been disclosed in a= ccordance with IETF IPR rules (RFCs 3979, 4879, 3669 and 5378 provide more = details). If you are an *author or contributor* please respond to this email regardle= ss of whether or not you're aware of any IPR. If you are not an author or contributor, please explicitly respond only if = you are aware of IPR that has not yet been disclosed. During IETF 103, Jeff said that Ericsson owns an IPR on this. Jeff, do you = want to provide more details on this? Do you want to fill a third party IPR= disclosure? This document will not advance into the working group until IPR confirmatio= ns have been received from all authors and contributors. Thanks, (1) https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segment --Bruno & Rob. ___________________________________________________________________________= ______________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confiden= tielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou = copies sans autorisation. Si vous avez recu ce message par erreur, veuillez= le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Le= s messages electroniques etant susceptibles d'alteration, Orange decline to= ute responsabilite si ce message a ete altere, deforme ou falsifie. Merci. This message and its attachments may contain confidential or privileged inf= ormation that may be protected by law; they should not be distributed, used= or copied without authorisation. If you have received this email in error, please notify the sender and dele= te this message and its attachments. As emails may be altered, Orange is not liable for messages that have been = modified, changed or falsified. Thank you. _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring From nobody Wed Feb 20 03:51:39 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4944312E036 for ; Wed, 20 Feb 2019 03:51:37 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.6 X-Spam-Level: X-Spam-Status: No, score=-2.6 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id R3JIOy5MS0mG for ; Wed, 20 Feb 2019 03:51:35 -0800 (PST) Received: from orange.com (mta241.mail.business.static.orange.com [80.12.66.41]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 1A234129284 for ; Wed, 20 Feb 2019 03:51:35 -0800 (PST) Received: from opfedar01.francetelecom.fr (unknown [xx.xx.xx.2]) by opfedar26.francetelecom.fr (ESMTP service) with ESMTP id 444GCn4pGyzFqfP for ; Wed, 20 Feb 2019 12:51:33 +0100 (CET) Received: from Exchangemail-eme6.itn.ftgroup (unknown [xx.xx.13.70]) by opfedar01.francetelecom.fr (ESMTP service) with ESMTP id 444GCn45vJzBrLG for ; Wed, 20 Feb 2019 12:51:33 +0100 (CET) Received: from OPEXCAUBM43.corporate.adroot.infra.ftgroup ([fe80::b846:2467:1591:5d9d]) by OPEXCAUBM33.corporate.adroot.infra.ftgroup ([fe80::c911:d24e:cc19:afa7%21]) with mapi id 14.03.0435.000; Wed, 20 Feb 2019 12:51:33 +0100 From: To: SPRING WG Thread-Topic: Working Group Adoption Call for draft-cheng-spring-mpls-path-segment Thread-Index: AdTI+yX+eAAuLEf1QBG2rBcwZFgn7gAFn6Ig Date: Wed, 20 Feb 2019 11:51:32 +0000 Message-ID: <28991_1550663493_5C6D3F45_28991_148_1_53C29892C857584299CBF5D05346208A489DE786@OPEXCAUBM43.corporate.adroot.infra.ftgroup> References: <31462_1550653415_5C6D17E7_31462_208_1_53C29892C857584299CBF5D05346208A489DDD8F@OPEXCAUBM43.corporate.adroot.infra.ftgroup> In-Reply-To: <31462_1550653415_5C6D17E7_31462_208_1_53C29892C857584299CBF5D05346208A489DDD8F@OPEXCAUBM43.corporate.adroot.infra.ftgroup> Accept-Language: fr-FR, en-US Content-Language: fr-FR X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.114.13.247] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Archived-At: Subject: Re: [spring] Working Group Adoption Call for draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Feb 2019 11:51:37 -0000 To answer a question, the emails previously sent on the mailing list over a= week ago will be considered as part of the adoption call. That being said, if you are a non-author and your previous support is stron= g enough to be willing to improve the document, you are very welcome to vol= unteer to perform a _technical_ review of this draft at some later stage, s= uch as before or during WG the last call. Thanks, --Bruno -----Original Message----- From: spring [mailto:spring-bounces@ietf.org] On Behalf Of bruno.decraene@o= range.com Sent: Wednesday, February 20, 2019 10:04 AM To: SPRING WG Cc: draft-cheng-spring-mpls-path-segment@ietf.org Subject: [spring] Working Group Adoption Call for draft-cheng-spring-mpls-p= ath-segment Hi SPRING WG, This email initiates a two week call for working group adoption for draft-c= heng-spring-mpls-path-segment. Please indicate your support, comments, or objection, for adopting this dra= ft as a working group item by March 6th 2019. We are particularly interested in hearing from working group members that a= re not co-authors of this draft. We are also looking for volunteers who would be ready to perform a technica= l review of this work at some later stage, such as before or during WG the = last call. Additionally, there are currently 7 authors listed on this document. Please= trim this to <=3D 5 front-page authors, utilising a "Contributors" section= if required for the others. An approach to achieving this would be to list= ~2 editors as the front-page authors. In parallel to this adoption call, I will send an IPR call for this documen= t. We will need all authors and contributors to confirm their IPR position = on this document. (1) https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segment Thanks, --Bruno & Rob. ___________________________________________________________________________= ______________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confiden= tielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu= ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages el= ectroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou = falsifie. Merci. This message and its attachments may contain confidential or privileged inf= ormation that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and dele= te this message and its attachments. As emails may be altered, Orange is not liable for messages that have been = modified, changed or falsified. Thank you. _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring ___________________________________________________________________________= ______________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confiden= tielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu= ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages el= ectroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou = falsifie. Merci. This message and its attachments may contain confidential or privileged inf= ormation that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and dele= te this message and its attachments. As emails may be altered, Orange is not liable for messages that have been = modified, changed or falsified. Thank you. From nobody Wed Feb 20 07:05:48 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 749D7130E09; Wed, 20 Feb 2019 07:05:47 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.201 X-Spam-Level: X-Spam-Status: No, score=-4.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id xODh0e-y1ZkU; Wed, 20 Feb 2019 07:05:45 -0800 (PST) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id BE23E129741; Wed, 20 Feb 2019 07:05:45 -0800 (PST) Received: from lhreml701-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id ADBF8351813E9F995DB8; Wed, 20 Feb 2019 15:05:43 +0000 (GMT) Received: from NKGEML412-HUB.china.huawei.com (10.98.56.73) by lhreml701-cah.china.huawei.com (10.201.108.42) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 20 Feb 2019 15:05:43 +0000 Received: from NKGEML515-MBX.china.huawei.com ([fe80::a54a:89d2:c471:ff]) by nkgeml412-hub.china.huawei.com ([10.98.56.73]) with mapi id 14.03.0415.000; Wed, 20 Feb 2019 23:05:38 +0800 From: "Dongjie (Jimmy)" To: "bruno.decraene@orange.com" , SPRING WG CC: "draft-cheng-spring-mpls-path-segment@ietf.org" Thread-Topic: Working Group Adoption Call for draft-cheng-spring-mpls-path-segment Thread-Index: AdTJLa3ytqHDtr/WQbSkWwiAWjHNbw== Date: Wed, 20 Feb 2019 15:05:37 +0000 Message-ID: <76CD132C3ADEF848BD84D028D243C927C34147CD@NKGEML515-MBX.china.huawei.com> Accept-Language: en-US, zh-CN Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.45.161.216] Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [spring] Working Group Adoption Call for draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Feb 2019 15:05:48 -0000 U3VwcG9ydCB0aGUgYWRvcHRpb24uIFRoaXMgZG9jdW1lbnQgZGVmaW5lcyB1c2VmdWwgZnVuY3Rp b25hbGl0eSBmb3IgdGhlIE9BTSBhbmQgcHJvdGVjdGlvbiBvZiBTUiBwYXRoLg0KDQpCZXN0IHJl Z2FyZHMsDQpKaWUNCg0KPiAtLS0tLdPKvP7Urbz+LS0tLS0NCj4gt6K8/sjLOiBzcHJpbmcgW21h aWx0bzpzcHJpbmctYm91bmNlc0BpZXRmLm9yZ10gtPqx7Q0KPiBicnVuby5kZWNyYWVuZUBvcmFu Z2UuY29tDQo+ILeiy83KsbzkOiAyMDE5xOoy1MIyMMjVIDE3OjA0DQo+IMrVvP7IyzogU1BSSU5H IFdHIDxzcHJpbmdAaWV0Zi5vcmc+DQo+ILOty806IGRyYWZ0LWNoZW5nLXNwcmluZy1tcGxzLXBh 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YXQgaGF2ZSBiZWVuDQo+IG1vZGlmaWVkLCBjaGFuZ2VkIG9yIGZhbHNpZmllZC4NCj4gVGhhbmsg eW91Lg0KPiANCj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18NCj4gc3ByaW5nIG1haWxpbmcgbGlzdA0KPiBzcHJpbmdAaWV0Zi5vcmcNCj4gaHR0cHM6Ly93 d3cuaWV0Zi5vcmcvbWFpbG1hbi9saXN0aW5mby9zcHJpbmcNCg== From nobody Wed Feb 20 17:18:41 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 10756131021; Wed, 20 Feb 2019 17:18:33 -0800 (PST) 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 5-F-tkQiwFQC; Wed, 20 Feb 2019 17:18:29 -0800 (PST) Received: from m17616.mail.qiye.163.com (m17616.mail.qiye.163.com [59.111.176.16]) by ietfa.amsl.com (Postfix) with ESMTP id 8E1B7130FDC; Wed, 20 Feb 2019 17:18:27 -0800 (PST) Received: from WangajPC (unknown [219.142.69.77]) by m17616.mail.qiye.163.com (Hmail) with ESMTPA id DF73D101A8B; Thu, 21 Feb 2019 09:18:19 +0800 (CST) From: "Aijun Wang" To: , "'SPRING WG'" Cc: References: <76CD132C3ADEF848BD84D028D243C927C34147CD@NKGEML515-MBX.china.huawei.com> In-Reply-To: <76CD132C3ADEF848BD84D028D243C927C34147CD@NKGEML515-MBX.china.huawei.com> Date: Thu, 21 Feb 2019 09:18:20 +0800 Message-ID: <007801d4c983$557644e0$0062cea0$@org.cn> MIME-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AdTJLa3ytqHDtr/WQbSkWwiAWjHNbwAVJVJw Content-Language: zh-cn X-HM-Spam-Status: e1kIGBQJHllBS1VLV1koWUFKTEtLSjdXWS1ZQUlXWQkOFx4IWUFZMjUtOj cyP0FLVUtZBg++ X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6PRQ6Pxw4NTkBMigdSU4KLQwf MBxPCzpVSlVKTk5LTEpKQktOSk5CVTMWGhIXVQwaFRwaEhEOFTsPCBIVHBMOGlUUCRxVGBVFWVdZ EgtZQVlJSkJVSk9JVU1CVUxMWVdZCAFZQU9NT0g3Bg++ X-HM-Tid: 0a690da1c77a9374kuwsdf73d101a8b Archived-At: Subject: [spring] =?gb2312?b?tPC4tDogIFdvcmtpbmcgR3JvdXAgQWRvcHRpb24gQ2Fs?= =?gb2312?b?bCBmb3IgZHJhZnQtY2hlbmctc3ByaW5nLW1wbHMtcGF0aC1zZWdtZW50?= X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Feb 2019 01:18:37 -0000 Support. I think it gives one effective way to manage the e2e SR path. Best Regards. Aijun Wang Network R&D and Operation Support Department China Telecom Corporation Limited Beijing Research Institute,Beijing, = China. > -----=D3=CA=BC=FE=D4=AD=BC=FE----- > =B7=A2=BC=FE=C8=CB: spring [mailto:spring-bounces@ietf.org] = =B4=FA=B1=ED > bruno.decraene@orange.com > =B7=A2=CB=CD=CA=B1=BC=E4: 2019=C4=EA2=D4=C220=C8=D5 17:04 > =CA=D5=BC=FE=C8=CB: SPRING WG > =B3=AD=CB=CD: draft-cheng-spring-mpls-path-segment@ietf.org > =D6=F7=CC=E2: [spring] Working Group Adoption Call for=20 > draft-cheng-spring-mpls-path-segment >=20 > Hi SPRING WG, >=20 > This email initiates a two week call for working group adoption for=20 > draft-cheng-spring-mpls-path-segment. >=20 > Please indicate your support, comments, or objection, for adopting=20 > this draft as a working group item by March 6th 2019. > We are particularly interested in hearing from working group members=20 > that are not co-authors of this draft. > We are also looking for volunteers who would be ready to perform a=20 > technical review of this work at some later stage, such as before or=20 > during WG the last call. >=20 > Additionally, there are currently 7 authors listed on this document.=20 > Please trim this to <=3D 5 front-page authors, utilising a=20 > "Contributors" section if required for the others. An approach to=20 > achieving this would be to list ~2 editors as the front-page authors. >=20 > In parallel to this adoption call, I will send an IPR call for this=20 > document. We will need all authors and contributors to confirm their=20 > IPR position on this document. >=20 > (1) https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segment >=20 > Thanks, > --Bruno & Rob. >=20 >=20 > ___________________________________________________________ > ___________________________________________________________ > ___ >=20 > Ce message et ses pieces jointes peuvent contenir des informations=20 > confidentielles ou privilegiees et ne doivent donc pas etre diffuses,=20 > exploites ou copies sans autorisation. Si vous avez recu ce message=20 > par erreur, veuillez le signaler a l'expediteur et le detruire ainsi=20 > que les pieces jointes. Les messages electroniques etant susceptibles=20 > d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou falsifie. Merci. >=20 > This message and its attachments may contain confidential or=20 > privileged information that may be protected by law; they should not=20 > be distributed, used or copied without authorisation. > If you have received this email in error, please notify the sender and = > delete this message and its attachments. > As emails may be altered, Orange is not liable for messages that have=20 > been modified, changed or falsified. > Thank you. >=20 > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring From nobody Wed Feb 20 17:21:04 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0A268130F0E; Wed, 20 Feb 2019 17:21:03 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.6 X-Spam-Level: X-Spam-Status: No, score=-2.6 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id SL80fAnmu7g1; Wed, 20 Feb 2019 17:21:00 -0800 (PST) Received: from cmccmta1.chinamobile.com (cmccmta1.chinamobile.com [221.176.66.79]) by ietfa.amsl.com (Postfix) with ESMTP id F180C130E25; Wed, 20 Feb 2019 17:20:58 -0800 (PST) Received: from spf.mail.chinamobile.com (unknown[172.16.121.13]) by rmmx-syy-dmz-app04-12004 (RichMail) with SMTP id 2ee45c6dfcf3352-f138e; Thu, 21 Feb 2019 09:20:52 +0800 (CST) X-RM-TRANSID: 2ee45c6dfcf3352-f138e X-RM-TagInfo: emlType=0 X-RM-SPAM-FLAG: 00000000 Received: from cmccPC (unknown[10.2.53.156]) by rmsmtp-syy-appsvr07-12007 (RichMail) with SMTP id 2ee75c6dfcf12ab-89811; Thu, 21 Feb 2019 09:20:50 +0800 (CST) X-RM-TRANSID: 2ee75c6dfcf12ab-89811 From: "Wang Lei" To: , "'SPRING WG'" , "'Jeff Tantsura'" , References: <31462_1550653298_5C6D1772_31462_23_1_53C29892C857584299CBF5D05346208A489DDD21@OPEXCAUBM43.corporate.adroot.infra.ftgroup> In-Reply-To: <31462_1550653298_5C6D1772_31462_23_1_53C29892C857584299CBF5D05346208A489DDD21@OPEXCAUBM43.corporate.adroot.infra.ftgroup> Date: Thu, 21 Feb 2019 09:20:58 +0800 Message-ID: <002701d4c983$b3b04740$1b10d5c0$@com> MIME-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AdTI+aHnu6PjEJCrTUS5JlToWqMmlgAigpJw Content-Language: zh-cn Archived-At: Subject: Re: [spring] IPR Poll for draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Feb 2019 01:21:03 -0000 I am not aware of any IPR that applies to this document. Lei Wang -----=D3=CA=BC=FE=D4=AD=BC=FE----- =B7=A2=BC=FE=C8=CB: bruno.decraene@orange.com = [mailto:bruno.decraene@orange.com]=20 =B7=A2=CB=CD=CA=B1=BC=E4: 2019=C4=EA2=D4=C220=C8=D5 17:02 =CA=D5=BC=FE=C8=CB: SPRING WG; Jeff Tantsura; = draft-cheng-spring-mpls-path-segment@ietf. org =D6=F7=CC=E2: IPR Poll for draft-cheng-spring-mpls-path-segment Hi Jeff, authors, SPRING WG, In parallel to the call for adoption for draft-cheng-spring-mpls-path-segment (1), we would like to poll for IPR. If you are aware of IPR that applies to = draft-cheng-spring-mpls-path-segment please respond to this email. If you are aware of IPR, please indicate whether it has been disclosed = in accordance with IETF IPR rules (RFCs 3979, 4879, 3669 and 5378 provide = more details). If you are an *author or contributor* please respond to this email regardless of whether or not you're aware of any IPR. If you are not an author or contributor, please explicitly respond only = if you are aware of IPR that has not yet been disclosed. During IETF 103, Jeff said that Ericsson owns an IPR on this. Jeff, do = you want to provide more details on this? Do you want to fill a third party = IPR disclosure? This document will not advance into the working group until IPR confirmations have been received from all authors and contributors. Thanks, (1) https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segment --Bruno & Rob. _________________________________________________________________________= ___ _____________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confidentielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez = recu ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages electroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme = ou falsifie. Merci. This message and its attachments may contain confidential or privileged information that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and delete this message and its attachments. As emails may be altered, Orange is not liable for messages that have = been modified, changed or falsified. Thank you. 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charset="gb2312" Content-Transfer-Encoding: quoted-printable

Hi,

 <= /p>

Support +1.

It gives an effici= ent way for E2E SR tunnel performance monitoring and fault management.=

Looking forward to= working group adoption.

 <= /p>

BR // Shuo

 <= /p>

 <= /p>

From: spring [mailto:spring-bounces@ietf.org] on behalf of bruno.decraene= @orange.com
Sent: Wed, 20 February 2019 09:04 UTC
To: SPRING WG <spring@ietf.org>;

Cc: draft-cheng-spring-mpls-path-segment@ietf= .org
Subject: [spring] Working Group Adoption Call for draft-cheng-spring= -mpls-path-segment

 

Hi SPRING WG,
 
This email initiates a two week call for working gr=
oup adoption for draft-cheng-spring-mpls-path-segment.

 


Please indicate your support, comments, or objectio=
n, for adopting this draft as a working group item by March 6th 2019.<=
/o:p>


We are particularly interested in hearing from work=
ing group members that are not co-authors of this draft.<=
/pre>

We are also looking for volunteers who would be rea=
dy to perform a technical review of this work at some later stage, such as =
before or during WG the last call.


 


Additionally, there are currently 7 authors listed =
on this document. Please trim this to <=3D 5 front-page authors, utilisi=
ng a "Contributors" section if required for the others. An approa=
ch to achieving this would be to list ~2 editors as the front-page authors.=



 


In parallel to this adoption call, I will send an I=
PR call for this document. We will need all authors and contributors to con=
firm their IPR position on this document.


 


(1) https://tools.i=
etf.org/html/draft-cheng-spring-mpls-path-segment


 


Thanks,


--Bruno & Rob.


 


 


___________________________________________________=
______________________________________________________________________=



 


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Orange decline toute responsabilite si ce message a=
 ete altere, deforme ou falsifie. Merci.


 


This message and its attachments may contain confid=
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they should not be distributed, used or copied with=
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Thank you.


 



 
--_000_DB7PR07MB594504F889105C3E870106FEC07E0DB7PR07MB5945eurp_-- From nobody Wed Feb 20 20:32:16 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3C87C129441 for ; Wed, 20 Feb 2019 20:32:15 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Qggwi2JbKxgn for ; Wed, 20 Feb 2019 20:32:12 -0800 (PST) Received: from mail-pl1-x636.google.com (mail-pl1-x636.google.com [IPv6:2607:f8b0:4864:20::636]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7838112D84C for ; Wed, 20 Feb 2019 20:32:12 -0800 (PST) Received: by mail-pl1-x636.google.com with SMTP id m10so3824704plt.10 for ; Wed, 20 Feb 2019 20:32:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:reply-to:user-agent:mime-version; bh=pcCoDxTeD+DK7QPN43kY+mIfRQFXXhXml4oASggP6zY=; b=XVuqMRoryK3my8eWPblj4247lS9rjO4j5JZL6GFK2Foj4AV1r0vKvylSqkxNotY7IE NPzG6tVy65EB/FVbVfwpn1RUMnQ9FGfLcWCynM1xp8oM9pKBIpi0fx+5bFulg9P3jX6U 9fGv37DaIP/NV//Nck1VMf1ymEQ0tx0ZUT88/gApfeMptKBkUEGUc7mMr3lwxWrHE1oU 4Wcviv54xGt09ZoraRGJlu5sSLBQ8mecYF45y5ipZSz9sfcqEYRrrAE9BKot5/m9O9J5 EQGP0fGBEv7Kn1pXo+44+jBNBfd6aIyHo3/M4W08TgtYKYJxYgd4hBqxC85wTT5d8nTb a0qg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:reply-to :user-agent:mime-version; bh=pcCoDxTeD+DK7QPN43kY+mIfRQFXXhXml4oASggP6zY=; b=OsoXy4H5ZohZYY77+cFB71his3S8UyJcn1gV/11jYLND+WwtWSiCP4cMdol1RJLnsR kO4WEF/fvQi+bc2Xt+bEou2wSucUUFX/DrLUEVwmMDuRfP7MrPNJ9fBXpHgjBevC385o wy1Cc3CJ3bCl8UveGMXJR8Gix3ur+Z9xj46PpA6QwvSQZIGdQQLabK7R/naTm1BZPyBC V7OmwYl4M+MhtzKNvcJzwdJiYGDoHWelLmi2XD3NFct0Il1oE6IeTObOBqCUCI1PvxzF a84VyMWIbxAFY2/62jxBV4+ZoreyICannud/9fy6FsQUxgEPo1s3BDjLS+90JxQ/wQa7 4A4A== X-Gm-Message-State: AHQUAuYJzra+b4AMzPrGzAuT6Fefnu8qqVLZJoXHU91nRMBdtii57kfF avK6CtCEJZh/P/khF6s/v9gOEGfy X-Google-Smtp-Source: AHgI3Ib8OCwT2ed6L9GE6sXvcaKYz8L45UfQ56yUHusI3Hm9cPH3ZPcEln/2Nf5G7sV5pRXMOB5+JQ== X-Received: by 2002:a17:902:27e6:: with SMTP id i35mr39930537plg.222.1550723531348; Wed, 20 Feb 2019 20:32:11 -0800 (PST) Received: from [172.20.10.2] (212.210.49.163.rev.vmobile.jp. [163.49.210.212]) by smtp.gmail.com with ESMTPSA id f4sm5733595pgq.94.2019.02.20.20.32.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 20 Feb 2019 20:32:10 -0800 (PST) From: "Kentaro Ebisawa" To: spring@ietf.org Date: Thu, 21 Feb 2019 04:32:03 +0000 Message-Id: Reply-To: "Kentaro Ebisawa" User-Agent: eM_Client/7.2.34711.0 Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="------=_MBCE6AE275-F3C6-456E-84AA-C18A23CC9445" Archived-At: Subject: [spring] Flow Label in End.DX4 (draft-filsfils-spring-srv6-network-programming-07 X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Feb 2019 04:32:15 -0000 --------=_MBCE6AE275-F3C6-456E-84AA-C18A23CC9445 Content-Type: text/plain; format=flowed; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi In 4.9 End.DX4 (draft-filsfils-spring-srv6-network-programming-07), I=20 noticed it requires Flow Label to be included in the hash in "after"=20 poping IPv6 header. > 3. ELSE IF ENH =3D 4 ;; Ref2 > 4. pop the (outer) IPv6 header and its extension headers > 5. forward to layer-3 adjacency bound to the SID S ;; Ref3 ... > Ref3: Selected based on a hash of the packet=E2=80=99s header (at least= SA,=20 DA, Flow Label) Since IPv6 packet is already poped, I think it might not be appropriate=20 to mandate use of Flow Label in this case but using "identification=20 field" for DX4. (unlike DX6) Is this intentional or just a typo when copying from DX6? Thanks, -- Kentaro Ebisawa --------=_MBCE6AE275-F3C6-456E-84AA-C18A23CC9445 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Hi

In 4.9 End.DX4 (draft-filsfils-spring-srv6-network-programming-07), I= noticed it requires Flow Label to be included in the hash in "after" poping = IPv6 header.

> 3. ELSE IF ENH =3D 4 ;; Ref2<= /div>
> 4. pop the (outer) IPv6 header and its extension headers
> 5. forward to layer-3 adjacency bound to the SID S ;; Ref3
=C2=A0...
> Ref3: Selected based on a hash of the packet= =E2=80=99s header (at least SA,=C2=A0DA, Flow Label)

=
Since IPv6 packet is already poped, =C2=A0I think it might not be appr= opriate to mandate use of Flow Label in this case but using "identification = field" for DX4. (unlike DX6)

Is this intentiona= l or just a typo when copying from DX6?

Thanks,
--=C2=A0
Kentaro Ebisawa <ebike= n.g@gmail.com>

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<155077450563.18620.1730285391843881930.idtracker@ietfa.amsl.com> Date: Thu, 21 Feb 2019 10:41:45 -0800 Archived-At: Subject: [spring] Last Call: (Segment Routing with MPLS data plane) to Proposed Standard X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Feb 2019 18:41:45 -0000 The IESG has received a request from the Source Packet Routing in Networking WG (spring) to consider the following document: - 'Segment Routing with MPLS data plane' as Proposed 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 2019-03-07. 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 Segment Routing (SR) leverages the source routing paradigm. A node steers a packet through a controlled set of instructions, called segments, by prepending the packet with an SR header. In the MPLS dataplane, the SR header is instantiated through a label stack. This document specifies the forwarding behavior to allow instantiating SR over the MPLS dataplane. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/ballot/ The following IPR Declarations may be related to this I-D: https://datatracker.ietf.org/ipr/2880/ https://datatracker.ietf.org/ipr/2453/ https://datatracker.ietf.org/ipr/2454/ From nobody Fri Feb 22 00:09:56 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5FC04128D52; Fri, 22 Feb 2019 00:09:55 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.199 X-Spam-Level: X-Spam-Status: No, score=-4.199 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id cDk4gE0-zyOV; Fri, 22 Feb 2019 00:09:52 -0800 (PST) Received: from mxhk.zte.com.cn (mxhk.zte.com.cn [63.217.80.70]) (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 C1EA0126D00; Fri, 22 Feb 2019 00:09:51 -0800 (PST) Received: from mxct.zte.com.cn (unknown [192.168.164.215]) by Forcepoint Email with ESMTPS id C65F36410BBC80905393; Fri, 22 Feb 2019 16:09:48 +0800 (CST) Received: from mse02.zte.com.cn (unknown [10.30.3.21]) by Forcepoint Email with ESMTPS id B1ECA5E2E426E8C9D0C3; Fri, 22 Feb 2019 16:09:48 +0800 (CST) Received: from kjyxapp01.zte.com.cn ([10.30.12.200]) by mse02.zte.com.cn with SMTP id x1M88kVe092826; Fri, 22 Feb 2019 16:09:37 +0800 (GMT-8) (envelope-from zhan.shuangping@zte.com.cn) Received: from mapi (kjyxapp07[null]) by mapi (Zmail) with MAPI id mid16; Fri, 22 Feb 2019 16:09:39 +0800 (CST) Date: Fri, 22 Feb 2019 16:09:39 +0800 (CST) X-Zmail-TransId: 2b095c6fae43773b72ed X-Mailer: Zmail v1.0 Message-ID: <201902221609398949283@zte.com.cn> In-Reply-To: <31462_1550653298_5C6D1772_31462_23_1_53C29892C857584299CBF5D05346208A489DDD21@OPEXCAUBM43.corporate.adroot.infra.ftgroup> References: 31462_1550653298_5C6D1772_31462_23_1_53C29892C857584299CBF5D05346208A489DDD21@OPEXCAUBM43.corporate.adroot.infra.ftgroup Mime-Version: 1.0 From: To: Cc: , , Content-Type: multipart/mixed; boundary="=====_001_next=====" X-MAIL: mse02.zte.com.cn x1M88kVe092826 Archived-At: Subject: Re: [spring] =?utf-8?q?IPR_Poll_for_draft-cheng-spring-mpls-path-seg?= =?utf-8?q?ment?= X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Feb 2019 08:09:55 -0000 --=====_001_next===== Content-Type: multipart/related; 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spring@ietf.org, draft-cheng-spring-mpls-path-segment@ietf.org Message-ID: <88874ced-542d-4700-a4de-2672f092ccf6@Spark> In-Reply-To: <201902221609398949283@zte.com.cn> References: <201902221609398949283@zte.com.cn> X-Readdle-Message-ID: 88874ced-542d-4700-a4de-2672f092ccf6@Spark MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="5c708a94_41e96bdb_4ada" Archived-At: Subject: Re: [spring] IPR Poll for draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Feb 2019 23:49:47 -0000 --5c708a94_41e96bdb_4ada Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Bruno, Please let me reach out to E/// IPR department (BCCed). I=E2=80=99ll let them comment. Thanks Cheers, Jeff > =E5=8E=9F=E5=A7=8B=E9=82=AE=E4=BB=B6 > =E5=8F=91=E4=BB=B6=E4=BA=BA=EF=BC=9Abruno.decraene=40orange.com > =E6=94=B6=E4=BB=B6=E4=BA=BA=EF=BC=9ASPRING WG ;Jeff = Tantsura ;draft-cheng-spring-mpls-path-segment= =40ietf.org ; > =E6=97=A5 =E6=9C=9F =EF=BC=9A2019=E5=B9=B402=E6=9C=8820=E6=97=A5 17:02 > =E4=B8=BB =E9=A2=98 =EF=BC=9AIPR Poll for draft-cheng-spring-mpls-path-= segment > Hi=C2=A0Jeff,=C2=A0authors,=C2=A0SPRING=C2=A0WG, > > In=C2=A0parallel=C2=A0to=C2=A0the=C2=A0call=C2=A0for=C2=A0adoption=C2=A0= for=C2=A0draft-cheng-spring-mpls-path-segment=C2=A0(1),=C2=A0we=C2=A0woul= d=C2=A0like=C2=A0to=C2=A0poll=C2=A0for=C2=A0IPR. > > If=C2=A0you=C2=A0are=C2=A0aware=C2=A0of=C2=A0IPR=C2=A0that=C2=A0applies= =C2=A0to=C2=A0draft-cheng-spring-mpls-path-segment=C2=A0please=C2=A0respo= nd=C2=A0to=C2=A0this=C2=A0email. > If=C2=A0you=C2=A0are=C2=A0aware=C2=A0of=C2=A0IPR,=C2=A0please=C2=A0indi= cate=C2=A0whether=C2=A0it=C2=A0has=C2=A0been=C2=A0disclosed=C2=A0in=C2=A0= accordance=C2=A0with=C2=A0IET=46=C2=A0IPR=C2=A0rules=C2=A0(R=46Cs=C2=A039= 79,=C2=A04879,=C2=A03669=C2=A0and=C2=A05378=C2=A0provide=C2=A0more=C2=A0d= etails). > > If=C2=A0you=C2=A0are=C2=A0an=C2=A0*author=C2=A0or=C2=A0contributor*=C2=A0= please=C2=A0respond=C2=A0to=C2=A0this=C2=A0email=C2=A0regardless=C2=A0of=C2= =A0whether=C2=A0or=C2=A0not=C2=A0you're=C2=A0aware=C2=A0of=C2=A0any=C2=A0= IPR. > If=C2=A0you=C2=A0are=C2=A0not=C2=A0an=C2=A0author=C2=A0or=C2=A0contribu= tor,=C2=A0please=C2=A0explicitly=C2=A0respond=C2=A0only=C2=A0if=C2=A0you=C2= =A0are=C2=A0aware=C2=A0of=C2=A0IPR=C2=A0that=C2=A0has=C2=A0not=C2=A0yet=C2= =A0been=C2=A0disclosed. > > During=C2=A0IET=46=C2=A0103,=C2=A0Jeff=C2=A0said=C2=A0that=C2=A0Ericsso= n=C2=A0owns=C2=A0an=C2=A0IPR=C2=A0on=C2=A0this.=C2=A0Jeff,=C2=A0do=C2=A0y= ou=C2=A0want=C2=A0to=C2=A0provide=C2=A0more=C2=A0details=C2=A0on=C2=A0thi= s=3F=C2=A0Do=C2=A0you=C2=A0want=C2=A0to=C2=A0fill=C2=A0a=C2=A0third=C2=A0= party=C2=A0IPR=C2=A0disclosure=3F > > This=C2=A0document=C2=A0will=C2=A0not=C2=A0advance=C2=A0into=C2=A0the=C2= =A0working=C2=A0group=C2=A0until=C2=A0IPR=C2=A0confirmations=C2=A0have=C2= =A0been=C2=A0received=C2=A0from=C2=A0all=C2=A0authors=C2=A0and=C2=A0contr= ibutors. > > Thanks, > > (1)=C2=A0https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segme= nt > > --Bruno=C2=A0&=C2=A0Rob. > > > =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F > > Ce=C2=A0message=C2=A0et=C2=A0ses=C2=A0pieces=C2=A0jointes=C2=A0peuvent=C2= =A0contenir=C2=A0des=C2=A0informations=C2=A0confidentielles=C2=A0ou=C2=A0= privilegiees=C2=A0et=C2=A0ne=C2=A0doivent=C2=A0donc > pas=C2=A0etre=C2=A0diffuses,=C2=A0exploites=C2=A0ou=C2=A0copies=C2=A0sa= ns=C2=A0autorisation.=C2=A0Si=C2=A0vous=C2=A0avez=C2=A0recu=C2=A0ce=C2=A0= message=C2=A0par=C2=A0erreur,=C2=A0veuillez=C2=A0le=C2=A0signaler > a=C2=A0l'expediteur=C2=A0et=C2=A0le=C2=A0detruire=C2=A0ainsi=C2=A0que=C2= =A0les=C2=A0pieces=C2=A0jointes.=C2=A0Les=C2=A0messages=C2=A0electronique= s=C2=A0etant=C2=A0susceptibles=C2=A0d'alteration, > Orange=C2=A0decline=C2=A0toute=C2=A0responsabilite=C2=A0si=C2=A0ce=C2=A0= message=C2=A0a=C2=A0ete=C2=A0altere,=C2=A0deforme=C2=A0ou=C2=A0falsifie.=C2= =A0Merci. > > This=C2=A0message=C2=A0and=C2=A0its=C2=A0attachments=C2=A0may=C2=A0cont= ain=C2=A0confidential=C2=A0or=C2=A0privileged=C2=A0information=C2=A0that=C2= =A0may=C2=A0be=C2=A0protected=C2=A0by=C2=A0law; > they=C2=A0should=C2=A0not=C2=A0be=C2=A0distributed,=C2=A0used=C2=A0or=C2= =A0copied=C2=A0without=C2=A0authorisation. > If=C2=A0you=C2=A0have=C2=A0received=C2=A0this=C2=A0email=C2=A0in=C2=A0e= rror,=C2=A0please=C2=A0notify=C2=A0the=C2=A0sender=C2=A0and=C2=A0delete=C2= =A0this=C2=A0message=C2=A0and=C2=A0its=C2=A0attachments. > As=C2=A0emails=C2=A0may=C2=A0be=C2=A0altered,=C2=A0Orange=C2=A0is=C2=A0= not=C2=A0liable=C2=A0for=C2=A0messages=C2=A0that=C2=A0have=C2=A0been=C2=A0= modified,=C2=A0changed=C2=A0or=C2=A0falsified. > Thank=C2=A0you. > --5c708a94_41e96bdb_4ada Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline
Bruno,

Please let me reach out to E/// IPR department (BCCed).
I=E2=80=99ll let them comment.

Thanks

Cheers,
Jeff

=E5=8E=9F=E5=A7=8B=E9= =82=AE=E4=BB=B6
=E5=8F=91=E4=BB=B6=E4= =BA=BA=EF=BC=9Abruno.decraene=40= orange.com <bruno.decraene=40orange.com>
=E6=94=B6=E4=BB=B6=E4=BA=BA= =EF=BC=9ASPRING WG <spring=40ietf.org>;Jeff Tantsura <jefftant.i= etf=40gmail.com>;draft-cheng-spring-mpls-path-segment=40ietf.org <dr= aft-cheng-spring-mpls-path-segment=40ietf.org>;
=E6=97=A5 =E6=9C=9F =EF= =BC=9A2019=E5=B9=B402=E6=9C=8820=E6=97=A5 1= 7:02
=E4=B8=BB =E9=A2=98 = =EF=BC=9AIPR Poll for dra= ft-cheng-spring-mpls-path-segment
Hi&=23160;Jeff,&=23160;authors,&=23160;SPRING&=23160;WG,

In&=23160;parallel&=23160;to&=23160;the&=23160;call&=23160;for&=23160;ado= ption&=23160;for&=23160;draft-cheng-spring-mpls-path-segment&=23160;(1),&= =23160;we&=23160;would&=23160;like&=23160;to&=23160;poll&=23160;for&=2316= 0;IPR.

If&=23160;you&=23160;are&=23160;aware&=23160;of&=23160;IPR&=23160;that&=23= 160;applies&=23160;to&=23160;draft-cheng-spring-mpls-path-segment&=23160;= please&=23160;respond&=23160;to&=23160;this&=23160;email.
If&=23160;you&=23160;are&=23160;aware&=23160;of&=23160;IPR,&=23160;please= &=23160;indicate&=23160;whether&=23160;it&=23160;has&=23160;been&=23160;d= isclosed&=23160;in&=23160;accordance&=23160;with&=23160;IET=46&=23160;IPR= &=23160;rules&=23160;(R=46Cs&=23160;3979,&=23160;4879,&=23160;3669&=23160= ;and&=23160;5378&=23160;provide&=23160;more&=23160;details).

If&=23160;you&=23160;are&=23160;an&=23160;*author&=23160;or&=23160;contri= butor*&=23160;please&=23160;respond&=23160;to&=23160;this&=23160;email&=23= 160;regardless&=23160;of&=23160;whether&=23160;or&=23160;not&=23160;you'r= e&=23160;aware&=23160;of&=23160;any&=23160;IPR.
If&=23160;you&=23160;are&=23160;not&=23160;an&=23160;author&=23160;or&=23= 160;contributor,&=23160;please&=23160;explicitly&=23160;respond&=23160;on= ly&=23160;if&=23160;you&=23160;are&=23160;aware&=23160;of&=23160;IPR&=231= 60;that&=23160;has&=23160;not&=23160;yet&=23160;been&=23160;disclosed.
During&=23160;IET=46&=23160;103,&=23160;Jeff&=23160;said&=23160;that&=231= 60;Ericsson&=23160;owns&=23160;an&=23160;IPR&=23160;on&=23160;this.&=2316= 0;Jeff,&=23160;do&=23160;you&=23160;want&=23160;to&=23160;provide&=23160;= more&=23160;details&=23160;on&=23160;this=3F&=23160;Do&=23160;you&=23160;= want&=23160;to&=23160;fill&=23160;a&=23160;third&=23160;party&=23160;IPR&= =23160;disclosure=3F

This&=23160;document&=23160;will&=23160;not&=23160;advance&=23160;into&=23= 160;the&=23160;working&=23160;group&=23160;until&=23160;IPR&=23160;confir= mations&=23160;have&=23160;been&=23160;received&=23160;from&=23160;all&=23= 160;authors&=23160;and&=23160;contributors.

Thanks,

(1)&=23160;https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segme= nt

--Bruno&=23160;&&=23160;Rob.


=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F

Ce&=23160;message&=23160;et&=23160;ses&=23160;pieces&=23160;jointes&=2316= 0;peuvent&=23160;contenir&=23160;des&=23160;informations&=23160;confident= ielles&=23160;ou&=23160;privilegiees&=23160;et&=23160;ne&=23160;doivent&=23= 160;donc
pas&=23160;etre&=23160;diffuses,&=23160;exploites&=23160;ou&=23160;copies= &=23160;sans&=23160;autorisation.&=23160;Si&=23160;vous&=23160;avez&=2316= 0;recu&=23160;ce&=23160;message&=23160;par&=23160;erreur,&=23160;veuillez= &=23160;le&=23160;signaler
a&=23160;l'expediteur&=23160;et&=23160;le&=23160;detruire&=23160;ainsi&=23= 160;que&=23160;les&=23160;pieces&=23160;jointes.&=23160;Les&=23160;messag= es&=23160;electroniques&=23160;etant&=23160;susceptibles&=23160;d'alterat= ion,
Orange&=23160;decline&=23160;toute&=23160;responsabilite&=23160;si&=23160= ;ce&=23160;message&=23160;a&=23160;ete&=23160;altere,&=23160;deforme&=231= 60;ou&=23160;falsifie.&=23160;Merci.

This&=23160;message&=23160;and&=23160;its&=23160;attachments&=23160;may&=23= 160;contain&=23160;confidential&=23160;or&=23160;privileged&=23160;inform= ation&=23160;that&=23160;may&=23160;be&=23160;protected&=23160;by&=23160;= law;
they&=23160;should&=23160;not&=23160;be&=23160;distributed,&=23160;used&=23= 160;or&=23160;copied&=23160;without&=23160;authorisation.
If&=23160;you&=23160;have&=23160;received&=23160;this&=23160;email&=23160= ;in&=23160;error,&=23160;please&=23160;notify&=23160;the&=23160;sender&=23= 160;and&=23160;delete&=23160;this&=23160;message&=23160;and&=23160;its&=23= 160;attachments.
As&=23160;emails&=23160;may&=23160;be&=23160;altered,&=23160;Orange&=2316= 0;is&=23160;not&=23160;liable&=23160;for&=23160;messages&=23160;that&=231= 60;have&=23160;been&=23160;modified,&=23160;changed&=23160;or&=23160;fals= ified.
Thank&=23160;you.


--5c708a94_41e96bdb_4ada-- From nobody Fri Feb 22 17:25:27 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 15774130EB0; Fri, 22 Feb 2019 17:25:18 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.988 X-Spam-Level: X-Spam-Status: No, score=-1.988 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, T_KAM_HTML_FONT_INVALID=0.01, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CLKDXiB2bdfu; Fri, 22 Feb 2019 17:25:14 -0800 (PST) Received: from mail-qk1-x72b.google.com (mail-qk1-x72b.google.com [IPv6:2607:f8b0:4864:20::72b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E809B12D4E7; Fri, 22 Feb 2019 17:25:13 -0800 (PST) Received: by mail-qk1-x72b.google.com with SMTP id i5so2254832qkd.13; Fri, 22 Feb 2019 17:25:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=9Ef8uLW3ZLsLWHBuz0f68IRLAEaO+akIaI7uIifOi7M=; b=c/mveP4aH1vfdHFT9TLHXNDEbtyBSsSeUI/83nOJYOqZazlblRTbyZri72SH2Fuse1 A3VidQ7hsDPhJdt29ew8/V6NN9tDfmavahWoTSjis7f1JUzVsESzyGAaEz1IeCRdphzd sD5kaH13fQjW+836PHGDADszwJh3+R0GvWaEsjfFKJ7HHWW/P1rmdHU2sAFKzBa/0wra 9+0WRE2osdqKYZhvtkA4FF2oRPYeNp/DKv2dB8aIjgiKP+RB8gCxX0YM2bxTlEg/yQ5L ZbdMHUF4yeoZ27iaiOislu9t3J5dfQ57waWTbGVBOnWtkWuSWBH5JoL3+XdSyIkMVfk8 E0cQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=9Ef8uLW3ZLsLWHBuz0f68IRLAEaO+akIaI7uIifOi7M=; b=q0llbonRwf9+fchp+MqkofazIKnGQuHYT8Ve5kFXb9WaluopPb7ioa/IoiRmNTioMU CiHT3UuhH39jTM1JNetN1Tl8pJcisbSYOjNFbF2L0q3pOUAprbIhuknOwnSSYQX34/Yl GnLgF/d3BJ9jQbvCMjFbc/wQJkXpfQRzfCwy5uRdqy1WbfJAqjuc/5WLtJYp6BdpvJif uCoQSIZNgRCiGchifLXTtzVDPjXvjo+Q7AW3hUh/eAR75PduEgcLUKw1a86JHyJq/Uoc jcJlVYvy2NB3WkurzERNKMrRk8cEltqhEDOV4ncBm7Y6SDtBB5EIPOr4H81si/f0/BBQ cPQw== X-Gm-Message-State: AHQUAuZdhhIfp3D219N2r6mnRxTPaNuqTeRB8jfXjo//y0s9cXYM6SAF gvPkpgMnp/OYU57c4nwOP0BDqC+ZOYvPm4dbvQ== X-Google-Smtp-Source: AHgI3IZZ5bPM37JNUQl/eoaR12g+KEfGOIs52cSfz8d+Z03qcJl3H551/qYLqFtnrjJuLG0Mw1ksBpqF/RKAw7DEyiA= X-Received: by 2002:a37:c442:: with SMTP id h2mr4932918qkm.53.1550885112590; Fri, 22 Feb 2019 17:25:12 -0800 (PST) MIME-Version: 1.0 References: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> <9419b7d7-87ef-151f-5ed8-b0f78c6e83af@gmail.com> <050301d4c590$445f5d50$cd1e17f0$@com> In-Reply-To: From: Rakesh Gandhi Date: Fri, 22 Feb 2019 20:25:00 -0500 Message-ID: To: Greg Mirsky Cc: Weiqiang Cheng , mpls@ietf.org, spring , Alexander Vainshtein , draft-cheng-spring-mpls-path-segment@ietf.org, Stewart Bryant , Loa Andersson Content-Type: multipart/alternative; boundary="00000000000039367b058285947d" Archived-At: Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 23 Feb 2019 01:25:18 -0000 --00000000000039367b058285947d Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Greg, I am not sure if the question has been answered. I would think GAL is at the bottom of the label stack. Thanks, Rakesh On Sat, Feb 16, 2019 at 4:24 PM Greg Mirsky wrote: > Hi Weiqiang Cheng, > thank you for your expedient response to my questions. The document state= s > that one of the use cases for the Path segment is to be used as a > performance, packet loss and/or delay, measurement session identifier. I > think that RFC 6374 is the most suitable for PM OAM in SR-MPLS environmen= t. > Of course, the type of the encapsulated message can be identified using t= he > destination UDP port number with IP/UDP encapsulation. But another option > is to use G-ACh encapsulation. That would require the use of GAL. And tha= t > is how I've arrived at my original question (I should have explained it > better, my apologies): > > How the Path segment and GAL are placed relative to each other in the > SR-MPLS label stack? > > Regards, > Greg > > On Fri, Feb 15, 2019 at 4:40 PM Weiqiang Cheng < > chengweiqiang@chinamobile.com> wrote: > >> Hi Greg, >> >> Thanks a lot for your comments. >> >> My comments are in-line. >> >> >> >> B.R. >> >> Weiqiang Cheng >> >> >> >> *=E5=8F=91=E4=BB=B6=E4=BA=BA:* Greg Mirsky [mailto:gregimirsky@gmail.com= ] >> *=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4:* 2019=E5=B9=B42=E6=9C=8815=E6=97= =A5 3:37 >> *=E6=94=B6=E4=BB=B6=E4=BA=BA:* Alexander Vainshtein >> *=E6=8A=84=E9=80=81:* spring@ietf.org; Stewart Bryant; >> draft-cheng-spring-mpls-path-segment@ietf.org; mpls@ietf.org; Loa >> Andersson >> *=E4=B8=BB=E9=A2=98:* Re: [spring] to progress draft-cheng-spring-mpls-p= ath-segment >> >> >> >> Dear All, >> >> I concur with all what has been said in support of the adoption of this >> draft by SPRING WG. The document is well-written, addresses the real >> problem in SR-MPLS, and the proposed solution is technically viable. >> >> My comments and questions are entirely for further discussion: >> >> - would the draft be expanded to demonstrate how "the Path Segment >> may be used to identify an SR-MPLS Policy, its Candidate-Path (CP) or= a SID >> List (SL)"? >> >> [Weiqiang] Yes, It is necessary and we will add some text to demonstrate >> this in the future version. >> >> - as many use cases for the Path Segment are related to OAM >> operations, it would be helpful to expand on the use of GAL and the P= ath >> Segment. >> >> [Weiqiang] It is always helpful to have more use cases. However, >> The GAL is used today in MPLS-TP LSPs to flag the G-Ach and is used for = OAM >> packets only while the Path segment is used for data packets for the eac= h >> traffic flow. It is a little bit different. >> >> Regards, >> >> Greg >> >> >> >> On Thu, Feb 14, 2019 at 1:12 AM Alexander Vainshtein < >> Alexander.Vainshtein@ecitele..com > >> wrote: >> >> +1. >> >> >> >> I have been following this draft from its -00 revision. The current >> revision has resolved most of the issues I (and others) have been raised >> (e.g., elimination of excessive options). >> >> >> >> From my POV, in its current state the draft meets two basic requirements >> for the WG adoption: >> >> 1. It addresses a real and relevant problem, namely the MPLS Flow >> Identification problem discussed in general in RFC 8372 >> and scoped to SR-MPLS LSPs in this >> draft. Specifics of SR-MPLS include the need to provide end-to-end liven= ess >> check that is one of the requirements explicitly specified in Section 2 = of RFC >> 8355 . >> >> 2. It provides a reasonable (from my POV) approach to solution of >> this problem. >> >> >> >> I also concur with Stewart=E2=80=99s comment about strong similarity bet= ween the >> approach taken in this draft for SR-MPLS and generic work in progress on >> synonymous flow labels >> that has >> been already adopted as a MPLS WG item. To me this is yet another >> indication that the draft should be adopted. >> >> >> >> My 2c, >> >> Sasha >> >> >> >> Office: +972-39266302 >> >> Cell: +972-549266302 >> >> Email: Alexander.Vainshtein@ecitele.com >> >> >> >> -----Original Message----- >> From: spring On Behalf Of Stewart Bryant >> Sent: Wednesday, February 13, 2019 12:48 PM >> To: Loa Andersson >; spring@ietf.org; >> draft-cheng-spring-mpls-path-segment@ietf.org >> Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment >> >> >> >> I have just read the draft and agree that it should be adopted by the WG= . >> It solves an important problem in instrumenting and protecting an SR pat= h. >> >> >> >> It should be noted that we needed to do something very similar in >> mainstream MPLS via the synonymous label work which is already adopted. >> >> However SL did not address the SR case.. We therefore need this path >> label work to be progressed. >> >> >> >> - Stewart >> >> >> >> On 10/02/2019 08:11, Loa Andersson wrote: >> >> > Working Group, >> >> > >> >> > I have reviewed draft-cheng-spring-mpls-path-segment and as far as I >> >> > can see, it is ready for wg adoption. >> >> > >> >> > There were some comments in Bangkok, but due to the many collisions >> >> > between working groups at that meeting I couldn't attend the SPRING >> >> > f2f. >> >> > >> >> > The minutes are not clear, but as far as I understand, there is >> >> > nothing that can't be resolved in the wg process. >> >> > >> >> > /Loa >> >> >> >> _______________________________________________ >> >> spring mailing list >> >> spring@ietf.org >> >> https://www..ietf.org/mailman/listinfo/spring >> >> >> >> ________________________________________________________________________= ___ >> >> This e-mail message is intended for the recipient only and contains >> information which is >> CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have >> received this >> transmission in error, please inform us by e-mail, phone or fax, and the= n >> delete the original >> and all copies thereof. >> >> ________________________________________________________________________= ___ >> >> _______________________________________________ >> spring mailing list >> spring@ietf.org >> https://www.ietf.org/mailman/listinfo/spring >> >> _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring > --00000000000039367b058285947d Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Greg,

I am not sure if th= e question has been answered. I would think GAL is at the bottom of the lab= el stack.

Thanks,
Rakesh

<= /div>

On Sat, Feb 16, 2019 at 4:24 PM Greg Mirsky <gregimirsky@gmail.com> wrote:
Hi=C2=A0Weiqiang C= heng,
thank you for your expedient response to my questions. The docume= nt states that one of the use cases for the Path segment is to be used as a= performance, packet loss and/or delay, measurement session identifier. I t= hink that RFC 6374 is the most suitable for PM OAM in SR-MPLS environment. = Of course, the type of the encapsulated=C2=A0message can be identified usin= g the destination UDP port number with IP/UDP encapsulation. But another op= tion is to use G-ACh encapsulation. That would require the use of GAL. And = that is how I've arrived at my original question (I should have explain= ed it better, my apologies):
How the Path segment and GAL = are placed relative to each other in the SR-MPLS label stack?
Regards,
Greg

On Fri, Feb 15, 2019 at 4:= 40 PM Weiqiang Cheng <chengweiqiang@chinamobile.com> wrote:
Hi Greg,=

Thanks a lot for your c= omments.

My comments are in-line.

=C2=A0

B.R.

Weiqiang Cheng

=C2=A0

=E5=8F=91=E4=BB= =B6=E4=BA=BA: Greg Mirsky [mailto:gregimirsky@gmail.com]
=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 20= 19=E5=B9=B42=E6=9C=8815=E6=97=A5 3:= 37
=E6=94=B6=E4=BB=B6=E4=BA=BA: Alexander Vainshtein
=E6=8A=84=E9=80=81= : spring@ietf.org; Stewart Bryant; draft-cheng-spring-mpls-path-segment@ietf.org; mpls@ietf.org; Loa Andersson
=E4=B8=BB=E9=A2=98: R= e: [spring] to progress draft-cheng-spring-mpls-path-segment<= /span>

= =C2=A0

Dear All,

= I concur with all what has been said in support of the= adoption of this draft by SPRING WG. The document is well-written, address= es the real problem in SR-MPLS, and the proposed solution is technically vi= able.

My comments and questions are entirely for further discussion:

  • would the=C2=A0draft be expanded to demonstrate how &= quot;the Path Segment may be used to identify an SR-MPLS Policy, its Candid= ate-Path (CP) or a SID List (SL)"?

[Weiq= iang] Yes, It is necessary and=C2=A0we will add some text to demonstrate th= is in the future version.

  • as many use cases for the Path Segme= nt are related to OAM operations, it would be helpful to expand on the use = of GAL and the Path Segment.

=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0 =C2=A0[Weiqiang] It is always= helpful to have more use cases. However, The GAL is used today in MPLS-TP = LSPs to flag the G-Ach and is used for OAM packets only while the Path segm= ent is used for data packets for the each traffic flow. It is a little bit = different.

Regards,

Greg

=C2=A0<= /u>

On Thu,= Feb 14, 2019 at 1:12 AM Alexander Vainshtein <Alexander.Vainshtein@ecitele..= com> wrote:

+1.

=C2=A0

I have been following this dr= aft from its -00 revision. The current revision has resolved most of the is= sues I (and others) have been raised (e.g., elimination of excessive option= s).

=C2=A0

From my POV, in its current state the draft meets two basic re= quirements for the WG adoption:

1.=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 It addresses a real and relevant problem, namely the MPLS Flow Identificat= ion problem discussed in general in RFC 8372 and scoped to SR-MPLS LSPs in this = draft. Specifics of SR-MPLS include the need to provide end-to-end liveness= check that is one of the requirements explicitly specified in Section 2 of= RFC 8355= .

2.=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0 It provides a reasonable = (from my POV) approach to =C2=A0solution of this problem.

=C2=A0=

I also c= oncur with Stewart=E2=80=99s comment about strong similarity between the ap= proach taken in this draft for SR-MPLS and generic work in = progress on synonymous flow labels that has been already adopted as a M= PLS WG item.=C2=A0 To me this is yet another indication that the draft shou= ld be adopted.

=C2=A0

My 2c,

Sasha

=C2=A0

Office: +972-39266302=

Cell:= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +972-549266302

Email:=C2=A0=C2=A0 Alexander.Va= inshtein@ecitele.com

=C2=A0

-----Original Message-----
From: sprin= g <spring-b= ounces@ietf.org> On Behalf Of Stewart Bryant
Sent: Wednesday, Feb= ruary 13, 2019 12:48 PM
To: Loa Andersson <loa@pi..nu>; spring@ietf.org; draft-cheng-spring-mpls-pat= h-segment@ietf.org
Subject: Re: [spring] to progress draft-cheng-spr= ing-mpls-path-segment

=C2=A0

I have just read the draft and agree that it= should be adopted by the WG. It solves an important problem in instrumenti= ng and protecting an SR path.

=C2=A0

It should be noted that we needed to= do something very similar in mainstream MPLS via the synonymous label work= which is already adopted.

However SL did not address the SR case.. We th= erefore need this path label work to be progressed.

=C2=A0

- Stewart

=C2= =A0

On 10/02/2019 08:11, Loa Andersson wrote:

> Working Group,<= u>

>= =C2=A0

> I have reviewed draft-cheng-spring-mpls-path-segment and as fa= r as I

> can see, it is ready for wg adoption.<= /p>

>=C2=A0=

> The= re were some comments in Bangkok, but due to the many collisions =

> bet= ween working groups at that meeting I couldn't attend the SPRING

>= f2f.

>=C2=A0

> The minutes are not clear, but as far as I understa= nd, there is

> nothing that can't be resolved in the wg process.

= >=C2=A0

> /Loa

=C2=A0

____________________________________________= ___

spring mailing list

spring@ietf.org

https://w= ww..ietf.org/mailman/listinfo/spring


________________________= ___________________________________________________

This e-mail mess= age is intended for the recipient only and contains information which is CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have rec= eived this
transmission in error, please inform us by e-mail, phone or = fax, and then delete the original
and all copies thereof.
__________= _________________________________________________________________=

__________= _____________________________________
spring mailing list
spring@ietf.org
https://ww= w.ietf.org/mailman/listinfo/spring

_______________________________________________
spring mailing list
spring@ietf.org https://www.ietf.org/mailman/listinfo/spring
--00000000000039367b058285947d-- From nobody Fri Feb 22 18:10:14 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3492112D4E9; Fri, 22 Feb 2019 18:10:12 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.2 X-Spam-Level: X-Spam-Status: No, score=-4.2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ira1GW3DJgul; Fri, 22 Feb 2019 18:10:10 -0800 (PST) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D652C124BAA; Fri, 22 Feb 2019 18:10:09 -0800 (PST) Received: from lhreml708-cah.china.huawei.com (unknown [172.18.7.108]) by Forcepoint Email with ESMTP id B15BF3B33FD4E0FB990A; Sat, 23 Feb 2019 02:10:07 +0000 (GMT) Received: from DGGEMM402-HUB.china.huawei.com (10.3.20.210) by lhreml708-cah.china.huawei.com (10.201.108.49) with Microsoft SMTP Server (TLS) id 14.3.408.0; Sat, 23 Feb 2019 02:10:07 +0000 Received: from DGGEMM532-MBX.china.huawei.com ([169.254.7.46]) by DGGEMM402-HUB.china.huawei.com ([10.3.20.210]) with mapi id 14.03.0415.000; Sat, 23 Feb 2019 10:10:00 +0800 From: Lizhenbin To: "bruno.decraene@orange.com" , "spring-chairs@ietf.org" CC: SPRING WG , "draft-cheng-spring-mpls-path-segment@ietf.org" Thread-Topic: Working Group Adoption Call for draft-cheng-spring-mpls-path-segment Thread-Index: AdTI+VwBeAAuLEf1QBG2rBcwZFgn7gB4tqwAABARn8A= Date: Sat, 23 Feb 2019 02:10:00 +0000 Message-ID: <5A5B4DE12C0DAC44AF501CD9A2B01A8D8F54B460@DGGEMM532-MBX.china.huawei.com> References: <17750_1550653296_5C6D1770_17750_413_1_53C29892C857584299CBF5D05346208A489DDD1A@OPEXCAUBM43.corporate.adroot.infra.ftgroup> In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.111.206.84] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [spring] Working Group Adoption Call for draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 23 Feb 2019 02:10:12 -0000 Hi WG, Yes, support the draft to be adopted by the WG. Path segment is an importan= t work for the scenarios of SR OAM/PM, etc.=20 Thanks, Zhenbin (Robin) On 2019-02-20, 4:01 AM, "bruno.decraene@orange.com" wrote: Hi SPRING WG, =20 This email initiates a two week call for working group adoption for dra= ft-cheng-spring-mpls-path-segment. =20 Please indicate your support, comments, or objection, for adopting this= draft as a working group item by March 6th 2019. We are particularly interested in hearing from working group members th= at are not co-authors of this draft. We are also looking for volunteers who would be ready to perform a tech= nical review of this work at some later stage, such as before or during WG = the last call. =20 Additionally, there are currently 7 authors listed on this document. Pl= ease trim this to <=3D 5 front-page authors, utilising a "Contributors" sec= tion if required for the others. An approach to achieving this would be to = list ~2 editors as the front-page authors. =20 In parallel to this adoption call, I will send an IPR call for this doc= ument. We will need all authors and contributors to confirm their IPR posit= ion on this document. =20 (1) https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segment =20 Thanks, --Bruno & Rob. =20 =20 _______________________________________________________________________= __________________________________________________ =20 Ce message et ses pieces jointes peuvent contenir des informations conf= identielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez = recu ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les message= s electroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme= ou falsifie. Merci. =20 This message and its attachments may contain confidential or privileged= information that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and = delete this message and its attachments. As emails may be altered, Orange is not liable for messages that have b= een modified, changed or falsified. Thank you. =20 =20 _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring From nobody Fri Feb 22 18:16:04 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 765E0129AA0; Fri, 22 Feb 2019 18:16:03 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0.601 X-Spam-Level: X-Spam-Status: No, score=0.601 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, URIBL_BLOCKED=0.001, URIBL_DBL_SPAM=2.5] autolearn=no autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0vJpVlWWNpxJ; Fri, 22 Feb 2019 18:16:00 -0800 (PST) Received: from pipi.pi.nu (pipi.pi.nu [83.168.239.141]) (using TLSv1.1 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6DBD41293B1; Fri, 22 Feb 2019 18:16:00 -0800 (PST) Received: from [192.168.1.20] (unknown [119.94.169.156]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: loa@pi.nu) by pipi.pi.nu (Postfix) with ESMTPSA id 3C372180157E; Sat, 23 Feb 2019 03:15:56 +0100 (CET) To: Rakesh Gandhi , Greg Mirsky Cc: Weiqiang Cheng , mpls@ietf.org, spring , Alexander Vainshtein , draft-cheng-spring-mpls-path-segment@ietf.org, Stewart Bryant References: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> <9419b7d7-87ef-151f-5ed8-b0f78c6e83af@gmail.com> <050301d4c590$445f5d50$cd1e17f0$@com> From: Loa Andersson Message-ID: <9d7a2690-6ef4-438a-6ca8-0548ad2aca0e@pi.nu> Date: Sat, 23 Feb 2019 10:15:50 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Archived-At: Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 23 Feb 2019 02:16:03 -0000 Rakesh, authors, I have not been thinking about this too much. But if you look at fig 2 of draft-cheng-spring-mpls-path-segment, and you need a GACh between A and D, I'd say that the GAL will be at the bottom of stack. What if you need the CACh for the sub-path B to C, where will the GAL go? /Loa On 2019-02-23 09:25, Rakesh Gandhi wrote: > Hi Greg, > > I am not sure if the question has been answered. I would think GAL is at > the bottom of the label stack. > > Thanks, > Rakesh > > > On Sat, Feb 16, 2019 at 4:24 PM Greg Mirsky > wrote: > > Hi Weiqiang Cheng, > thank you for your expedient response to my questions. The document > states that one of the use cases for the Path segment is to be used > as a performance, packet loss and/or delay, measurement session > identifier. I think that RFC 6374 is the most suitable for PM OAM in > SR-MPLS environment. Of course, the type of the encapsulated message > can be identified using the destination UDP port number with IP/UDP > encapsulation. But another option is to use G-ACh encapsulation. > That would require the use of GAL. And that is how I've arrived at > my original question (I should have explained it better, my apologies): > > How the Path segment and GAL are placed relative to each other > in the SR-MPLS label stack? > > Regards, > Greg > > On Fri, Feb 15, 2019 at 4:40 PM Weiqiang Cheng > > wrote: > > Hi Greg,____ > > Thanks a lot for your comments.____ > > My comments are in-line.____ > > __ __ > > B.R.____ > > Weiqiang Cheng____ > > __ __ > > *发件人:*Greg Mirsky [mailto:gregimirsky@gmail.com > ] > *发送时间:*2019年2月15日3:37 > *收件人:*Alexander Vainshtein > *抄送:*spring@ietf.org ; Stewart Bryant; > draft-cheng-spring-mpls-path-segment@ietf.org > ; > mpls@ietf.org ; Loa Andersson > *主题:*Re: [spring] to progress > draft-cheng-spring-mpls-path-segment____ > > __ __ > > Dear All,____ > > I concur with all what has been said in support of the adoption > of this draft by SPRING WG. The document is well-written, > addresses the real problem in SR-MPLS, and the proposed solution > is technically viable.____ > > My comments and questions are entirely for further discussion:____ > > * would the draft be expanded to demonstrate how "the Path > Segment may be used to identify an SR-MPLS Policy, its > Candidate-Path (CP) or a SID List (SL)"?____ > > [Weiqiang] Yes, It is necessary and we will add some text to > demonstrate this in the future version. ____ > > * as many use cases for the Path Segment are related to OAM > operations, it would be helpful to expand on the use of GAL > and the Path Segment.____ > > [Weiqiang] It is always helpful to have more use cases. However, > The GAL is used today in MPLS-TP LSPs to flag the G-Ach and is > used for OAM packets only while the Path segment is used for > data packets for the each traffic flow. It is a little bit > different. ____ > > Regards,____ > > Greg____ > > __ __ > > On Thu, Feb 14, 2019 at 1:12 AM Alexander Vainshtein > > wrote:____ > > +1.____ > > ____ > > I have been following this draft from its -00 revision. The > current revision has resolved most of the issues I (and > others) have been raised (e.g., elimination of excessive > options).____ > > ____ > > From my POV, in its current state the draft meets two basic > requirements for the WG adoption:____ > > 1.It addresses a real and relevant problem, namely the MPLS > Flow Identification problem discussed in general in RFC 8372 > and scoped to SR-MPLS > LSPs in this draft. Specifics of SR-MPLS include the need to > provide end-to-end liveness check that is one of the > requirements explicitly specified in Section 2 of RFC 8355 > . ____ > > 2.It provides a reasonable (from my POV) approach to >  solution of this problem.____ > > ____ > > I also concur with Stewart’s comment about strong similarity > between the approach taken in this draft for SR-MPLS and > generic work in progress on synonymous flow labels > > that has been already adopted as a MPLS WG item.  To me this > is yet another indication that the draft should be adopted.____ > > ____ > > My 2c,____ > > Sasha____ > > ____ > > Office: +972-39266302____ > > Cell:      +972-549266302____ > > Email: Alexander.Vainshtein@ecitele.com > ____ > > ____ > > -----Original Message----- > From: spring > On Behalf Of Stewart Bryant > Sent: Wednesday, February 13, 2019 12:48 PM > To: Loa Andersson >; > spring@ietf.org ; > draft-cheng-spring-mpls-path-segment@ietf.org > > Subject: Re: [spring] to progress > draft-cheng-spring-mpls-path-segment____ > > ____ > > I have just read the draft and agree that it should be > adopted by the WG. It solves an important problem in > instrumenting and protecting an SR path.____ > > ____ > > It should be noted that we needed to do something very > similar in mainstream MPLS via the synonymous label work > which is already adopted. ____ > > However SL did not address the SR case.. We therefore need > this path label work to be progressed.____ > > ____ > > - Stewart____ > > ____ > > On 10/02/2019 08:11, Loa Andersson wrote:____ > > > Working Group,____ > > > ____ > > > I have reviewed draft-cheng-spring-mpls-path-segment and as far as I ____ > > > can see, it is ready for wg adoption.____ > > > ____ > > > There were some comments in Bangkok, but due to the many collisions ____ > > > between working groups at that meeting I couldn't attend the SPRING ____ > > > f2f.____ > > > ____ > > > The minutes are not clear, but as far as I understand, there is ____ > > > nothing that can't be resolved in the wg process.____ > > > ____ > > > /Loa____ > > ____ > > ___________________________________________________ > > spring mailing list____ > > spring@ietf.org ____ > > https://www..ietf.org/mailman/listinfo/spring____ > > > ___________________________________________________________________________ > > This e-mail message is intended for the recipient only and > contains information which is > CONFIDENTIAL and which may be proprietary to ECI Telecom. If > you have received this > transmission in error, please inform us by e-mail, phone or > fax, and then delete the original > and all copies thereof. > _______________________________________________________________________________ > > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring____ > > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring > -- Loa Andersson email: loa@pi.nu Senior MPLS Expert Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Fri Feb 22 19:56:13 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BAC40130EBD; Fri, 22 Feb 2019 19:56:03 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0.502 X-Spam-Level: X-Spam-Status: No, score=0.502 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, URIBL_DBL_SPAM=2.5] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7NtFJVdRWczE; Fri, 22 Feb 2019 19:56:01 -0800 (PST) Received: from mail-lf1-x134.google.com (mail-lf1-x134.google.com [IPv6:2a00:1450:4864:20::134]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4E7B71288BD; Fri, 22 Feb 2019 19:56:00 -0800 (PST) Received: by mail-lf1-x134.google.com with SMTP id m11so3215018lfc.6; Fri, 22 Feb 2019 19:56:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=++F7H6NcceQJXOwjR5Ml6zlNL91pRWIGtNW0SEe8Krc=; b=f3eXBtZAaBQTvoaL2ScUkP3arbrGwavuMEmIrbtTvdIvy5gvcbWb6tTVgCOSda2t0O bl4JWI3wML5z9VAeZ1kyo2YwPGs2gQU4hRxVZ5Wxdp4rjTEAhkzYCkk5o57E8fFrfud9 WTCFDdP0Nimknbf1TxMUPRlKmCxhKM4LlcppttVV6sqVdo/eG2M+scd63YJhd6qrLdKk 7uO6Purc2M6thFwRa2imZB3fxhr8OCC4CBlTMPER0HEQeWCPtz4N9Zp2GRA991Kaegqr GOzunb10ikB+mOTuh/fAD9pgvee8Asqc/oSAKs1BUbP4Guze5nt8bmrA7sR5KwhtgSJ3 4X/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=++F7H6NcceQJXOwjR5Ml6zlNL91pRWIGtNW0SEe8Krc=; b=GyJKIKIen9d2dv6FvjnZqq4MXe+itwjKzx6YDMCGC7nxO+cqfZXAqmnduWojXLIaaM NJUv5HvfjV8dFyNKu+cEwZWFoVk8K033IyW08sYT8qnmQxDIxZtXpR0L7JIVrM5VRABt zs/uVPhhSDVi160ZiIIRWkUxhtXo1mCjZS1P9D+ANy6uh9odUDHatMy82c0aYsx2g1/p R6m8b/XQM/b2zgvsum53zPtsgv2M0ITtyxP8b8UzGbDcg4+MErCbCs6puBlKW4RgPe0V 41n4p4/OmDb7G3ZXNT8HIb5Z+8nL1pXFwT6nt4r2J2I/3FomK7kGmLOjXsQtoEL7yt3C BmbQ== X-Gm-Message-State: AHQUAuagvG2EBhDCXEP6zB1IATATitU87o0YfJIf1WwHfUc85R5ld7tH zPT/9q3bmJyof4tU4yhc7tmox4lVIjATnyzOrwM= X-Google-Smtp-Source: AHgI3IYGHwiwF5kS5oZ0T+HtYZqQ9eh9vQNWkNAVPJ8cvn2JJJ+riZWT2UH7HAk9nZsWkxpWcTl8Gci9PsbRaICPrp0= X-Received: by 2002:a19:260e:: with SMTP id m14mr4548024lfm.158.1550894158065; Fri, 22 Feb 2019 19:55:58 -0800 (PST) MIME-Version: 1.0 References: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> <9419b7d7-87ef-151f-5ed8-b0f78c6e83af@gmail.com> <050301d4c590$445f5d50$cd1e17f0$@com> <9d7a2690-6ef4-438a-6ca8-0548ad2aca0e@pi.nu> In-Reply-To: <9d7a2690-6ef4-438a-6ca8-0548ad2aca0e@pi.nu> From: Greg Mirsky Date: Fri, 22 Feb 2019 19:55:49 -0800 Message-ID: To: Loa Andersson Cc: Rakesh Gandhi , Weiqiang Cheng , mpls@ietf.org, spring , Alexander Vainshtein , draft-cheng-spring-mpls-path-segment@ietf.org, Stewart Bryant Content-Type: multipart/alternative; boundary="000000000000603427058287af50" Archived-At: Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 23 Feb 2019 03:56:04 -0000 --000000000000603427058287af50 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Loa, I think it will be similar to SPME and we'll need to have another SR-tunnel B-C with its own Path segment allocated by node C. But GAL will still be BoS. Regards, Greg. On Fri, Feb 22, 2019 at 6:15 PM Loa Andersson wrote: > Rakesh, authors, > > I have not been thinking about this too much. But if you look at fig 2 > of draft-cheng-spring-mpls-path-segment, and you need a GACh between > A and D, I'd say that the GAL will be at the bottom of stack. > > What if you need the CACh for the sub-path B to C, where will the GAL > go? > > /Loa > > > > On 2019-02-23 09:25, Rakesh Gandhi wrote: > > Hi Greg, > > > > I am not sure if the question has been answered. I would think GAL is a= t > > the bottom of the label stack. > > > > Thanks, > > Rakesh > > > > > > On Sat, Feb 16, 2019 at 4:24 PM Greg Mirsky > > wrote: > > > > Hi Weiqiang Cheng, > > thank you for your expedient response to my questions. The document > > states that one of the use cases for the Path segment is to be used > > as a performance, packet loss and/or delay, measurement session > > identifier. I think that RFC 6374 is the most suitable for PM OAM i= n > > SR-MPLS environment. Of course, the type of the encapsulated messag= e > > can be identified using the destination UDP port number with IP/UDP > > encapsulation. But another option is to use G-ACh encapsulation. > > That would require the use of GAL. And that is how I've arrived at > > my original question (I should have explained it better, my > apologies): > > > > How the Path segment and GAL are placed relative to each other > > in the SR-MPLS label stack? > > > > Regards, > > Greg > > > > On Fri, Feb 15, 2019 at 4:40 PM Weiqiang Cheng > > > > wrote: > > > > Hi Greg,____ > > > > Thanks a lot for your comments.____ > > > > My comments are in-line.____ > > > > __ __ > > > > B.R.____ > > > > Weiqiang Cheng____ > > > > __ __ > > > > *=E5=8F=91=E4=BB=B6=E4=BA=BA:*Greg Mirsky [mailto:gregimirsky@g= mail.com > > ] > > *=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4:*2019=E5=B9=B42=E6=9C=881= 5=E6=97=A53:37 > > *=E6=94=B6=E4=BB=B6=E4=BA=BA:*Alexander Vainshtein > > *=E6=8A=84=E9=80=81:*spring@ietf.org ; = Stewart Bryant; > > draft-cheng-spring-mpls-path-segment@ietf.org > > ; > > mpls@ietf.org ; Loa Andersson > > *=E4=B8=BB=E9=A2=98:*Re: [spring] to progress > > draft-cheng-spring-mpls-path-segment____ > > > > __ __ > > > > Dear All,____ > > > > I concur with all what has been said in support of the adoption > > of this draft by SPRING WG. The document is well-written, > > addresses the real problem in SR-MPLS, and the proposed solutio= n > > is technically viable.____ > > > > My comments and questions are entirely for further > discussion:____ > > > > * would the draft be expanded to demonstrate how "the Path > > Segment may be used to identify an SR-MPLS Policy, its > > Candidate-Path (CP) or a SID List (SL)"?____ > > > > [Weiqiang] Yes, It is necessary and we will add some text to > > demonstrate this in the future version. ____ > > > > * as many use cases for the Path Segment are related to OAM > > operations, it would be helpful to expand on the use of GAL > > and the Path Segment.____ > > > > [Weiqiang] It is always helpful to have more use cases. However= , > > The GAL is used today in MPLS-TP LSPs to flag the G-Ach and is > > used for OAM packets only while the Path segment is used for > > data packets for the each traffic flow. It is a little bit > > different. ____ > > > > Regards,____ > > > > Greg____ > > > > __ __ > > > > On Thu, Feb 14, 2019 at 1:12 AM Alexander Vainshtein > > > > wrote:____ > > > > +1.____ > > > > ____ > > > > I have been following this draft from its -00 revision. The > > current revision has resolved most of the issues I (and > > others) have been raised (e.g., elimination of excessive > > options).____ > > > > ____ > > > > From my POV, in its current state the draft meets two basi= c > > requirements for the WG adoption:____ > > > > 1.It addresses a real and relevant problem, namely the MPLS > > Flow Identification problem discussed in general in RFC 837= 2 > > and scoped to SR-MPLS > > LSPs in this draft. Specifics of SR-MPLS include the need t= o > > provide end-to-end liveness check that is one of the > > requirements explicitly specified in Section 2 of RFC 8355 > > . ____ > > > > 2.It provides a reasonable (from my POV) approach to > > solution of this problem.____ > > > > ____ > > > > I also concur with Stewart=E2=80=99s comment about strong s= imilarity > > between the approach taken in this draft for SR-MPLS and > > generic work in progress on synonymous flow labels > > < > https://tools.ietf.org/html/draft-ietf-mpls-sfl-framework-04> > > that has been already adopted as a MPLS WG item. To me thi= s > > is yet another indication that the draft should be > adopted.____ > > > > ____ > > > > My 2c,____ > > > > Sasha____ > > > > ____ > > > > Office: +972-39266302____ > > > > Cell: +972-549266302____ > > > > Email: Alexander.Vainshtein@ecitele.com > > ____ > > > > ____ > > > > -----Original Message----- > > From: spring > > On Behalf Of Stewart > Bryant > > Sent: Wednesday, February 13, 2019 12:48 PM > > To: Loa Andersson >; > > spring@ietf.org ; > > draft-cheng-spring-mpls-path-segment@ietf.org > > > > Subject: Re: [spring] to progress > > draft-cheng-spring-mpls-path-segment____ > > > > ____ > > > > I have just read the draft and agree that it should be > > adopted by the WG. It solves an important problem in > > instrumenting and protecting an SR path.____ > > > > ____ > > > > It should be noted that we needed to do something very > > similar in mainstream MPLS via the synonymous label work > > which is already adopted. ____ > > > > However SL did not address the SR case.. We therefore need > > this path label work to be progressed.____ > > > > ____ > > > > - Stewart____ > > > > ____ > > > > On 10/02/2019 08:11, Loa Andersson wrote:____ > > > > > Working Group,____ > > > > > ____ > > > > > I have reviewed draft-cheng-spring-mpls-path-segment and > as far as I ____ > > > > > can see, it is ready for wg adoption.____ > > > > > ____ > > > > > There were some comments in Bangkok, but due to the many > collisions ____ > > > > > between working groups at that meeting I couldn't attend > the SPRING ____ > > > > > f2f.____ > > > > > ____ > > > > > The minutes are not clear, but as far as I understand, > there is ____ > > > > > nothing that can't be resolved in the wg process.____ > > > > > ____ > > > > > /Loa____ > > > > ____ > > > > ___________________________________________________ > > > > spring mailing list____ > > > > spring@ietf.org ____ > > > > https://www..ietf.org/mailman/listinfo/spring____ > > > > > > > ________________________________________________________________________= ___ > > > > This e-mail message is intended for the recipient only and > > contains information which is > > CONFIDENTIAL and which may be proprietary to ECI Telecom. I= f > > you have received this > > transmission in error, please inform us by e-mail, phone or > > fax, and then delete the original > > and all copies thereof. > > > ________________________________________________________________________= _______ > > > > _______________________________________________ > > spring mailing list > > spring@ietf.org > > https://www.ietf.org/mailman/listinfo/spring____ > > > > _______________________________________________ > > spring mailing list > > spring@ietf.org > > https://www.ietf.org/mailman/listinfo/spring > > > > -- > > > Loa Andersson email: loa@pi.nu > Senior MPLS Expert > Bronze Dragon Consulting phone: +46 739 81 21 64 > --000000000000603427058287af50 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Loa,
I think it will be similar to SPME and we'= ll need to have another SR-tunnel B-C with its own Path segment allocated b= y node C. But GAL will still be BoS.

Regards,
Greg.=C2=A0

On Fri, Feb 22, 2019 at 6:15 PM Loa Andersson <loa@pi.nu> wrote:
Rakesh, authors,

I have not been thinking about this too much. But if you look at fig 2
of draft-cheng-spring-mpls-path-segment, and you need a GACh between
A and D, I'd say that the GAL will be at the bottom of stack.

What if you need the CACh for the sub-path B to C, where will the GAL
go?

/Loa



On 2019-02-23 09:25, Rakesh Gandhi wrote:
> Hi Greg,
>
> I am not sure if the question has been answered. I would think GAL is = at
> the bottom of the label stack.
>
> Thanks,
> Rakesh
>
>
> On Sat, Feb 16, 2019 at 4:24 PM Greg Mirsky <gregimirsky@gmail.com
> <mailto:= gregimirsky@gmail.com>> wrote:
>
>=C2=A0 =C2=A0 =C2=A0Hi=C2=A0Weiqiang Cheng,
>=C2=A0 =C2=A0 =C2=A0thank you for your expedient response to my questio= ns. The document
>=C2=A0 =C2=A0 =C2=A0states that one of the use cases for the Path segme= nt is to be used
>=C2=A0 =C2=A0 =C2=A0as a performance, packet loss and/or delay, measure= ment session
>=C2=A0 =C2=A0 =C2=A0identifier. I think that RFC 6374 is the most suita= ble for PM OAM in
>=C2=A0 =C2=A0 =C2=A0SR-MPLS environment. Of course, the type of the enc= apsulated=C2=A0message
>=C2=A0 =C2=A0 =C2=A0can be identified using the destination UDP port nu= mber with IP/UDP
>=C2=A0 =C2=A0 =C2=A0encapsulation. But another option is to use G-ACh e= ncapsulation.
>=C2=A0 =C2=A0 =C2=A0That would require the use of GAL. And that is how = I've arrived at
>=C2=A0 =C2=A0 =C2=A0my original question (I should have explained it be= tter, my apologies):
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0How the Path segment and GAL are plac= ed relative to each other
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0in the SR-MPLS label stack?
>
>=C2=A0 =C2=A0 =C2=A0Regards,
>=C2=A0 =C2=A0 =C2=A0Greg
>
>=C2=A0 =C2=A0 =C2=A0On Fri, Feb 15, 2019 at 4:40 PM Weiqiang Cheng
>=C2=A0 =C2=A0 =C2=A0<chengweiqiang@chinamobile.com
>=C2=A0 =C2=A0 =C2=A0<mailto:chengweiqiang@chinamobile.com>> wrote:=
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Hi Greg,____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Thanks a lot for your comments.____ >
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0My comments are in-line.____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0__ __
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0B.R.____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Weiqiang Cheng____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0__ __
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0*=E5=8F=91=E4=BB=B6=E4=BA=BA:*Greg Mi= rsky [mailto:gre= gimirsky@gmail.com
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<mailto:gregimirsky@gmail.com>]
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0*=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4= :*2019=E5=B9=B42=E6=9C=8815=E6=97=A53:37
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0*=E6=94=B6=E4=BB=B6=E4=BA=BA:*Alexand= er Vainshtein
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0*=E6=8A=84=E9=80=81:*spring@ietf.org <mailto:spring@ietf.org>; Stew= art Bryant;
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-cheng-spring-mpls-path-= segment@ietf.org
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<mailto:draft-cheng-spring= -mpls-path-segment@ietf.org>;
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0mpls@ietf.org <mailto:mpls@ietf.org>; Loa Andersson
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0*=E4=B8=BB=E9=A2=98:*Re: [spring] to = progress
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-cheng-spring-mpls-path-segment_= ___
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0__ __
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Dear All,____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0I concur with all what has been said = in support of the adoption
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0of this draft by SPRING WG. The docum= ent is well-written,
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0addresses the real problem in SR-MPLS= , and the proposed solution
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0is technically viable.____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0My comments and questions are entirel= y for further discussion:____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0* would the=C2=A0draft be expa= nded to demonstrate how "the Path
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Segment may be used to = identify an SR-MPLS Policy, its
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Candidate-Path (CP) or = a SID List (SL)"?____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0[Weiqiang] Yes, It is necessary and= =C2=A0we will add some text to
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0demonstrate this in the future versio= n. ____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0* as many use cases for the Pa= th Segment are related to OAM
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0operations, it would be= helpful to expand on the use of GAL
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0and the Path Segment.__= __
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0[Weiqiang] It is always helpful to ha= ve more use cases. However,
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0The GAL is used today in MPLS-TP LSPs= to flag the G-Ach and is
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0used for OAM packets only while the P= ath segment is used for
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0data packets for the each traffic flo= w. It is a little bit
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0different. ____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Regards,____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Greg____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0__ __
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0On Thu, Feb 14, 2019 at 1:12 AM Alexa= nder Vainshtein
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<Alexander.Vainshtein@ecitele..com=
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<mailto:Alexander.Vainshtein@ecitele.co= m>> wrote:____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0+1.____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0I have been following t= his draft from its -00 revision. The
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0current revision has re= solved most of the issues I (and
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0others) have been raise= d (e.g., elimination of excessive
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0options).____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 From my POV, in its cu= rrent state the draft meets two basic
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0requirements for the WG= adoption:____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A01.It addresses a real a= nd relevant problem, namely the MPLS
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Flow Identification pro= blem discussed in general in RFC 8372
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<https://t= ools.ietf.org/html/rfc8372> and scoped to SR-MPLS
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0LSPs in this draft. Spe= cifics of SR-MPLS include the need to
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0provide end-to-end live= ness check that is one of the
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0requirements explicitly= specified in Section 2 of RFC 8355
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<https://t= ools.ietf.org/html/rfc8355>. ____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A02.It provides a reasona= ble (from my POV) approach to
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0solution of this= problem.____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0I also concur with Stew= art=E2=80=99s comment about strong similarity
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0between the approach ta= ken in this draft for SR-MPLS and
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0generic work in progres= s on synonymous flow labels
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<https://tools.ietf.org/html/draft-ietf-mpls-sfl-framework-0= 4>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0that has been already a= dopted as a MPLS WG item.=C2=A0 To me this
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0is yet another indicati= on that the draft should be adopted.____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0My 2c,____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Sasha____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Office: +972-39266302__= __
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Cell:=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0 +972-549266302____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Email: Alexander.Vainshtein@= ecitele.com
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<mailto:Alexander.Vainsht= ein@ecitele.com>____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0-----Original Message--= ---
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0From: spring <spring-bounces@ietf.= org
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<mailto:spring-bounces@ietf.org>> On Behalf Of Stewart Bryant
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Sent: Wednesday, Februa= ry 13, 2019 12:48 PM
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0To: Loa Andersson <l= oa@pi..nu <mailto:loa@pi.= nu>>;
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0spring@ietf.org <mailto:spring@ietf.org>;
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-cheng-spr= ing-mpls-path-segment@ietf.org
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<mailto:draf= t-cheng-spring-mpls-path-segment@ietf.org>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Subject: Re: [spring] t= o progress
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-cheng-spring-mpls= -path-segment____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0I have just read the dr= aft and agree that it should be
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0adopted by the WG. It s= olves an important problem in
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0instrumenting and prote= cting an SR path.____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0It should be noted that= we needed to do something very
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0similar in mainstream M= PLS via the synonymous label work
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0which is already adopte= d. ____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0However SL did not addr= ess the SR case.. We therefore need
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0this path label work to= be progressed.____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0- Stewart____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0On 10/02/2019 08:11, Lo= a Andersson wrote:____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0> Working Group,____=
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0> ____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0> I have reviewed dr= aft-cheng-spring-mpls-path-segment and as far as I ____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0> can see, it is rea= dy for wg adoption.____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0> ____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0> There were some co= mments in Bangkok, but due to the many collisions ____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0> between working gr= oups at that meeting I couldn't attend the SPRING ____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0> f2f.____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0> ____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0> The minutes are no= t clear, but as far as I understand, there is ____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0> nothing that can&#= 39;t be resolved in the wg process.____
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0> ____
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>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0> /Loa____
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>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0https://www..i= etf.org/mailman/listinfo/spring____
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--


Loa Andersson=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0= =C2=A0 =C2=A0 =C2=A0 email: loa@pi.nu
Senior MPLS Expert
Bronze Dragon Consulting=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0pho= ne: +46 739 81 21 64
--000000000000603427058287af50-- From nobody Fri Feb 22 20:15:46 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C54E6128B33; Fri, 22 Feb 2019 20:15:37 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0.601 X-Spam-Level: X-Spam-Status: No, score=0.601 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, URIBL_BLOCKED=0.001, URIBL_DBL_SPAM=2.5] autolearn=no autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id KCRtQB-Rahks; Fri, 22 Feb 2019 20:15:35 -0800 (PST) Received: from pipi.pi.nu (pipi.pi.nu [83.168.239.141]) (using TLSv1.1 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 794781288BD; Fri, 22 Feb 2019 20:15:35 -0800 (PST) Received: from [192.168.1.20] (unknown [119.94.169.156]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: loa@pi.nu) by pipi.pi.nu (Postfix) with ESMTPSA id 6F6D4180157E; Sat, 23 Feb 2019 05:15:31 +0100 (CET) To: Greg Mirsky Cc: mpls@ietf.org, spring , Alexander Vainshtein , Weiqiang Cheng , Rakesh Gandhi , draft-cheng-spring-mpls-path-segment@ietf.org, Stewart Bryant References: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> <9419b7d7-87ef-151f-5ed8-b0f78c6e83af@gmail.com> <050301d4c590$445f5d50$cd1e17f0$@com> <9d7a2690-6ef4-438a-6ca8-0548ad2aca0e@pi.nu> From: Loa Andersson Message-ID: <13cb42a8-e298-c3cc-d116-219f144f5357@pi.nu> Date: Sat, 23 Feb 2019 12:15:26 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Archived-At: Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 23 Feb 2019 04:15:38 -0000 Greg, We are close, though I hope the rules are that GAL is bottom of stack, and that a packet with a GACh does not carry user payload. I should have said that "if you want a GACg for the I don't understand why we need a "new" SR tunnel, the GAL/GACh can ride with the GAL as bottom of stack with the label stack for Sub-path(B->C), right? If you put it on "another" tunnel, how do you guarantee fate sharing? /Loa /Loa On 2019-02-23 11:55, Greg Mirsky wrote: > Hi Loa, > I think it will be similar to SPME and we'll need to have another > SR-tunnel B-C with its own Path segment allocated by node C. But GAL > will still be BoS. > > Regards, > Greg. > > On Fri, Feb 22, 2019 at 6:15 PM Loa Andersson > wrote: > > Rakesh, authors, > > I have not been thinking about this too much. But if you look at fig 2 > of draft-cheng-spring-mpls-path-segment, and you need a GACh between > A and D, I'd say that the GAL will be at the bottom of stack. > > What if you need the CACh for the sub-path B to C, where will the GAL > go? > > /Loa > > > > On 2019-02-23 09:25, Rakesh Gandhi wrote: > > Hi Greg, > > > > I am not sure if the question has been answered. I would think > GAL is at > > the bottom of the label stack. > > > > Thanks, > > Rakesh > > > > > > On Sat, Feb 16, 2019 at 4:24 PM Greg Mirsky > > > >> wrote: > > > >     Hi Weiqiang Cheng, > >     thank you for your expedient response to my questions. The > document > >     states that one of the use cases for the Path segment is to > be used > >     as a performance, packet loss and/or delay, measurement session > >     identifier. I think that RFC 6374 is the most suitable for PM > OAM in > >     SR-MPLS environment. Of course, the type of the > encapsulated message > >     can be identified using the destination UDP port number with > IP/UDP > >     encapsulation. But another option is to use G-ACh encapsulation. > >     That would require the use of GAL. And that is how I've > arrived at > >     my original question (I should have explained it better, my > apologies): > > > >         How the Path segment and GAL are placed relative to each > other > >         in the SR-MPLS label stack? > > > >     Regards, > >     Greg > > > >     On Fri, Feb 15, 2019 at 4:40 PM Weiqiang Cheng > >      > >      >> wrote: > > > >         Hi Greg,____ > > > >         Thanks a lot for your comments.____ > > > >         My comments are in-line.____ > > > >         __ __ > > > >         B.R.____ > > > >         Weiqiang Cheng____ > > > >         __ __ > > > >         *发件人:*Greg Mirsky [mailto:gregimirsky@gmail.com > > >          >] > >         *发送时间:*2019年2月15日3:37 > >         *收件人:*Alexander Vainshtein > >         *抄送:*spring@ietf.org > >; Stewart Bryant; > > draft-cheng-spring-mpls-path-segment@ietf.org > > >          >; > > mpls@ietf.org >; Loa Andersson > >         *主题:*Re: [spring] to progress > >         draft-cheng-spring-mpls-path-segment____ > > > >         __ __ > > > >         Dear All,____ > > > >         I concur with all what has been said in support of the > adoption > >         of this draft by SPRING WG. The document is well-written, > >         addresses the real problem in SR-MPLS, and the proposed > solution > >         is technically viable.____ > > > >         My comments and questions are entirely for further > discussion:____ > > > >           * would the draft be expanded to demonstrate how "the Path > >             Segment may be used to identify an SR-MPLS Policy, its > >             Candidate-Path (CP) or a SID List (SL)"?____ > > > >         [Weiqiang] Yes, It is necessary and we will add some text to > >         demonstrate this in the future version. ____ > > > >           * as many use cases for the Path Segment are related to OAM > >             operations, it would be helpful to expand on the use > of GAL > >             and the Path Segment.____ > > > >         [Weiqiang] It is always helpful to have more use cases. > However, > >         The GAL is used today in MPLS-TP LSPs to flag the G-Ach > and is > >         used for OAM packets only while the Path segment is used for > >         data packets for the each traffic flow. It is a little bit > >         different. ____ > > > >         Regards,____ > > > >         Greg____ > > > >         __ __ > > > >         On Thu, Feb 14, 2019 at 1:12 AM Alexander Vainshtein > >          >          >> wrote:____ > > > >             +1.____ > > > >             ____ > > > >             I have been following this draft from its -00 > revision. The > >             current revision has resolved most of the issues I (and > >             others) have been raised (e.g., elimination of excessive > >             options).____ > > > >             ____ > > > >              From my POV, in its current state the draft meets > two basic > >             requirements for the WG adoption:____ > > > >             1.It addresses a real and relevant problem, namely > the MPLS > >             Flow Identification problem discussed in general in > RFC 8372 > >              and scoped to > SR-MPLS > >             LSPs in this draft. Specifics of SR-MPLS include the > need to > >             provide end-to-end liveness check that is one of the > >             requirements explicitly specified in Section 2 of RFC > 8355 > >             . ____ > > > >             2.It provides a reasonable (from my POV) approach to > >               solution of this problem.____ > > > >             ____ > > > >             I also concur with Stewart’s comment about strong > similarity > >             between the approach taken in this draft for SR-MPLS and > >             generic work in progress on synonymous flow labels > > >   > >             that has been already adopted as a MPLS WG item.  To > me this > >             is yet another indication that the draft should be > adopted.____ > > > >             ____ > > > >             My 2c,____ > > > >             Sasha____ > > > >             ____ > > > >             Office: +972-39266302____ > > > >             Cell:      +972-549266302____ > > > >             Email: Alexander.Vainshtein@ecitele.com > > >              >____ > > > >             ____ > > > >             -----Original Message----- > >             From: spring > >              >> On Behalf Of Stewart Bryant > >             Sent: Wednesday, February 13, 2019 12:48 PM > >             To: Loa Andersson >>; > > spring@ietf.org >; > > draft-cheng-spring-mpls-path-segment@ietf.org > > >              > > >             Subject: Re: [spring] to progress > >             draft-cheng-spring-mpls-path-segment____ > > > >             ____ > > > >             I have just read the draft and agree that it should be > >             adopted by the WG. It solves an important problem in > >             instrumenting and protecting an SR path.____ > > > >             ____ > > > >             It should be noted that we needed to do something very > >             similar in mainstream MPLS via the synonymous label work > >             which is already adopted. ____ > > > >             However SL did not address the SR case.. We therefore > need > >             this path label work to be progressed.____ > > > >             ____ > > > >             - Stewart____ > > > >             ____ > > > >             On 10/02/2019 08:11, Loa Andersson wrote:____ > > > >             > Working Group,____ > > > >             > ____ > > > >             > I have reviewed > draft-cheng-spring-mpls-path-segment and as far as I ____ > > > >             > can see, it is ready for wg adoption.____ > > > >             > ____ > > > >             > There were some comments in Bangkok, but due to the > many collisions ____ > > > >             > between working groups at that meeting I couldn't > attend the SPRING ____ > > > >             > f2f.____ > > > >             > ____ > > > >             > The minutes are not clear, but as far as I > understand, there is ____ > > > >             > nothing that can't be resolved in the wg process.____ > > > >             > ____ > > > >             > /Loa____ > > > >             ____ > > > >             ___________________________________________________ > > > >             spring mailing list____ > > > > spring@ietf.org >____ > > > > https://www..ietf.org/mailman/listinfo/spring____ > > > > > > > >  ___________________________________________________________________________ > > > >             This e-mail message is intended for the recipient > only and > >             contains information which is > >             CONFIDENTIAL and which may be proprietary to ECI > Telecom. If > >             you have received this > >             transmission in error, please inform us by e-mail, > phone or > >             fax, and then delete the original > >             and all copies thereof. > > >  _______________________________________________________________________________ > > > >             _______________________________________________ > >             spring mailing list > > spring@ietf.org > > > https://www.ietf.org/mailman/listinfo/spring____ > > > >     _______________________________________________ > >     spring mailing list > > spring@ietf.org > > > https://www.ietf.org/mailman/listinfo/spring > > > > -- > > > Loa Andersson                        email: loa@pi.nu > Senior MPLS Expert > Bronze Dragon Consulting             phone: +46 739 81 21 64 > > > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring > -- Loa Andersson email: loa@pi.nu Senior MPLS Expert Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Fri Feb 22 20:31:41 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6AA80128B33; 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Fri, 22 Feb 2019 20:31:33 -0800 (PST) MIME-Version: 1.0 References: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> <9419b7d7-87ef-151f-5ed8-b0f78c6e83af@gmail.com> <050301d4c590$445f5d50$cd1e17f0$@com> <9d7a2690-6ef4-438a-6ca8-0548ad2aca0e@pi.nu> <13cb42a8-e298-c3cc-d116-219f144f5357@pi.nu> In-Reply-To: <13cb42a8-e298-c3cc-d116-219f144f5357@pi.nu> From: Greg Mirsky Date: Fri, 22 Feb 2019 20:31:22 -0800 Message-ID: To: Loa Andersson Cc: mpls@ietf.org, spring , Alexander Vainshtein , Weiqiang Cheng , Rakesh Gandhi , draft-cheng-spring-mpls-path-segment@ietf.org, Stewart Bryant Content-Type: multipart/alternative; boundary="000000000000a3e39c0582882e44" Archived-At: Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 23 Feb 2019 04:31:39 -0000 --000000000000a3e39c0582882e44 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Loa, another tunnel with the Path segment from node C is, in my view, very close to SPME tunnel. The Path segment from C is needed because Path segment from D is not known to the node C, cannot be associated with the right SR-tunnel segment, i.e., tunnel B-C. The fate sharing may be achieved by using exactly the same SIDs as in the A-D tunnel for the B-C segment. And GAL is still BoS on B-C tunnel. Are we getting closer? Regards, Greg On Fri, Feb 22, 2019 at 8:15 PM Loa Andersson wrote: > Greg, > > We are close, though I hope the rules are that GAL is bottom of stack, > and that a packet with a GACh does not carry user payload. > > I should have said that "if you want a GACg for the > > I don't understand why we need a "new" SR tunnel, the GAL/GACh can > ride with the GAL as bottom of stack with the label stack for > Sub-path(B->C), right? If you put it on "another" tunnel, how do > you guarantee fate sharing? > > /Loa > > /Loa > > On 2019-02-23 11:55, Greg Mirsky wrote: > > Hi Loa, > > I think it will be similar to SPME and we'll need to have another > > SR-tunnel B-C with its own Path segment allocated by node C. But GAL > > will still be BoS. > > > > Regards, > > Greg. > > > > On Fri, Feb 22, 2019 at 6:15 PM Loa Andersson > > wrote: > > > > Rakesh, authors, > > > > I have not been thinking about this too much. But if you look at fi= g > 2 > > of draft-cheng-spring-mpls-path-segment, and you need a GACh betwee= n > > A and D, I'd say that the GAL will be at the bottom of stack. > > > > What if you need the CACh for the sub-path B to C, where will the G= AL > > go? > > > > /Loa > > > > > > > > On 2019-02-23 09:25, Rakesh Gandhi wrote: > > > Hi Greg, > > > > > > I am not sure if the question has been answered. I would think > > GAL is at > > > the bottom of the label stack. > > > > > > Thanks, > > > Rakesh > > > > > > > > > On Sat, Feb 16, 2019 at 4:24 PM Greg Mirsky > > > > > >> > wrote: > > > > > > Hi Weiqiang Cheng, > > > thank you for your expedient response to my questions. The > > document > > > states that one of the use cases for the Path segment is to > > be used > > > as a performance, packet loss and/or delay, measurement > session > > > identifier. I think that RFC 6374 is the most suitable for P= M > > OAM in > > > SR-MPLS environment. Of course, the type of the > > encapsulated message > > > can be identified using the destination UDP port number with > > IP/UDP > > > encapsulation. But another option is to use G-ACh > encapsulation. > > > That would require the use of GAL. And that is how I've > > arrived at > > > my original question (I should have explained it better, my > > apologies): > > > > > > How the Path segment and GAL are placed relative to each > > other > > > in the SR-MPLS label stack? > > > > > > Regards, > > > Greg > > > > > > On Fri, Feb 15, 2019 at 4:40 PM Weiqiang Cheng > > > > > > > > >> wrote: > > > > > > Hi Greg,____ > > > > > > Thanks a lot for your comments.____ > > > > > > My comments are in-line.____ > > > > > > __ __ > > > > > > B.R.____ > > > > > > Weiqiang Cheng____ > > > > > > __ __ > > > > > > *=E5=8F=91=E4=BB=B6=E4=BA=BA:*Greg Mirsky [mailto:gregim= irsky@gmail.com > > > > > > >] > > > *=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4:*2019=E5=B9=B42=E6= =9C=8815=E6=97=A53:37 > > > *=E6=94=B6=E4=BB=B6=E4=BA=BA:*Alexander Vainshtein > > > *=E6=8A=84=E9=80=81:*spring@ietf.org > > >; Stewart Bryant; > > > draft-cheng-spring-mpls-path-segment@ietf.org > > > > > > >; > > > mpls@ietf.org > >; Loa Andersson > > > *=E4=B8=BB=E9=A2=98:*Re: [spring] to progress > > > draft-cheng-spring-mpls-path-segment____ > > > > > > __ __ > > > > > > Dear All,____ > > > > > > I concur with all what has been said in support of the > > adoption > > > of this draft by SPRING WG. The document is well-written= , > > > addresses the real problem in SR-MPLS, and the proposed > > solution > > > is technically viable.____ > > > > > > My comments and questions are entirely for further > > discussion:____ > > > > > > * would the draft be expanded to demonstrate how "the > Path > > > Segment may be used to identify an SR-MPLS Policy, i= ts > > > Candidate-Path (CP) or a SID List (SL)"?____ > > > > > > [Weiqiang] Yes, It is necessary and we will add some tex= t > to > > > demonstrate this in the future version. ____ > > > > > > * as many use cases for the Path Segment are related t= o > OAM > > > operations, it would be helpful to expand on the use > > of GAL > > > and the Path Segment.____ > > > > > > [Weiqiang] It is always helpful to have more use cases. > > However, > > > The GAL is used today in MPLS-TP LSPs to flag the G-Ach > > and is > > > used for OAM packets only while the Path segment is used > for > > > data packets for the each traffic flow. It is a little b= it > > > different. ____ > > > > > > Regards,____ > > > > > > Greg____ > > > > > > __ __ > > > > > > On Thu, Feb 14, 2019 at 1:12 AM Alexander Vainshtein > > > > > > >> wrote:____ > > > > > > +1.____ > > > > > > ____ > > > > > > I have been following this draft from its -00 > > revision. The > > > current revision has resolved most of the issues I > (and > > > others) have been raised (e.g., elimination of > excessive > > > options).____ > > > > > > ____ > > > > > > From my POV, in its current state the draft meets > > two basic > > > requirements for the WG adoption:____ > > > > > > 1.It addresses a real and relevant problem, namely > > the MPLS > > > Flow Identification problem discussed in general in > > RFC 8372 > > > and scoped to > > SR-MPLS > > > LSPs in this draft. Specifics of SR-MPLS include the > > need to > > > provide end-to-end liveness check that is one of the > > > requirements explicitly specified in Section 2 of RF= C > > 8355 > > > . ____ > > > > > > 2.It provides a reasonable (from my POV) approach to > > > solution of this problem.____ > > > > > > ____ > > > > > > I also concur with Stewart=E2=80=99s comment about s= trong > > similarity > > > between the approach taken in this draft for SR-MPLS > and > > > generic work in progress on synonymous flow labels > > > > > > > > that has been already adopted as a MPLS WG item. To > > me this > > > is yet another indication that the draft should be > > adopted.____ > > > > > > ____ > > > > > > My 2c,____ > > > > > > Sasha____ > > > > > > ____ > > > > > > Office: +972-39266302____ > > > > > > Cell: +972-549266302____ > > > > > > Email: Alexander.Vainshtein@ecitele.com > > > > > > >____ > > > > > > ____ > > > > > > -----Original Message----- > > > From: spring > > > > > >> On Behalf Of Stewart Bryant > > > Sent: Wednesday, February 13, 2019 12:48 PM > > > To: Loa Andersson > >>; > > > spring@ietf.org > >; > > > draft-cheng-spring-mpls-path-segment@ietf.org > > > > > > > > > > Subject: Re: [spring] to progress > > > draft-cheng-spring-mpls-path-segment____ > > > > > > ____ > > > > > > I have just read the draft and agree that it should = be > > > adopted by the WG. It solves an important problem in > > > instrumenting and protecting an SR path.____ > > > > > > ____ > > > > > > It should be noted that we needed to do something ve= ry > > > similar in mainstream MPLS via the synonymous label > work > > > which is already adopted. ____ > > > > > > However SL did not address the SR case.. We therefor= e > > need > > > this path label work to be progressed.____ > > > > > > ____ > > > > > > - Stewart____ > > > > > > ____ > > > > > > On 10/02/2019 08:11, Loa Andersson wrote:____ > > > > > > > Working Group,____ > > > > > > > ____ > > > > > > > I have reviewed > > draft-cheng-spring-mpls-path-segment and as far as I ____ > > > > > > > can see, it is ready for wg adoption.____ > > > > > > > ____ > > > > > > > There were some comments in Bangkok, but due to th= e > > many collisions ____ > > > > > > > between working groups at that meeting I couldn't > > attend the SPRING ____ > > > > > > > f2f.____ > > > > > > > ____ > > > > > > > The minutes are not clear, but as far as I > > understand, there is ____ > > > > > > > nothing that can't be resolved in the wg > process.____ > > > > > > > ____ > > > > > > > /Loa____ > > > > > > ____ > > > > > > ___________________________________________________ > > > > > > spring mailing list____ > > > > > > spring@ietf.org > >____ > > > > > > https://www..ietf.org/mailman/listinfo/spring____ > > > > > > > > > > > > > > ________________________________________________________________________= ___ > > > > > > This e-mail message is intended for the recipient > > only and > > > contains information which is > > > CONFIDENTIAL and which may be proprietary to ECI > > Telecom. If > > > you have received this > > > transmission in error, please inform us by e-mail, > > phone or > > > fax, and then delete the original > > > and all copies thereof. > > > > > > ________________________________________________________________________= _______ > > > > > > _______________________________________________ > > > spring mailing list > > > spring@ietf.org > > > > > https://www.ietf.org/mailman/listinfo/spring____ > > > > > > _______________________________________________ > > > spring mailing list > > > spring@ietf.org > > > > > https://www.ietf.org/mailman/listinfo/spring > > > > > > > -- > > > > > > Loa Andersson email: loa@pi.nu loa@pi.nu> > > Senior MPLS Expert > > Bronze Dragon Consulting phone: +46 739 81 21 64 > > > > > > _______________________________________________ > > spring mailing list > > spring@ietf.org > > https://www.ietf.org/mailman/listinfo/spring > > > > -- > > > Loa Andersson email: loa@pi.nu > Senior MPLS Expert > Bronze Dragon Consulting phone: +46 739 81 21 64 > --000000000000a3e39c0582882e44 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Loa,
another tunnel with the Path = segment from node C is, in my view, very close to SPME tunnel. The Path seg= ment from C is needed because Path segment from D is not known to the node = C, cannot be associated with the right SR-tunnel segment, i.e., tunnel B-C.= The fate sharing may be achieved by using exactly the same SIDs as in the = A-D tunnel for the B-C segment. And GAL is still BoS on B-C tunnel. Are we = getting closer?

Regards,
Greg

On Fr= i, Feb 22, 2019 at 8:15 PM Loa Andersson <l= oa@pi.nu> wrote:
Greg,

We are close, though I hope the rules are that GAL is bottom of stack,
and that a packet with a GACh does not carry user payload.

I should have said that "if you want a GACg for the

I don't understand why we need a "new" SR tunnel, the GAL/GAC= h can
ride with the GAL as bottom of stack with the label stack for
Sub-path(B->C), right? If you put it on "another" tunnel, how = do
you guarantee fate sharing?

/Loa

/Loa

On 2019-02-23 11:55, Greg Mirsky wrote:
> Hi Loa,
> I think it will be similar to SPME and we'll need to have another =
> SR-tunnel B-C with its own Path segment allocated by node C. But GAL <= br> > will still be BoS.
>
> Regards,
> Greg.
>
> On Fri, Feb 22, 2019 at 6:15 PM Loa Andersson <loa@pi.nu
> <mailto:loa@pi.nu>> wrote:
>
>=C2=A0 =C2=A0 =C2=A0Rakesh, authors,
>
>=C2=A0 =C2=A0 =C2=A0I have not been thinking about this too much. But i= f you look at fig 2
>=C2=A0 =C2=A0 =C2=A0of draft-cheng-spring-mpls-path-segment, and you ne= ed a GACh between
>=C2=A0 =C2=A0 =C2=A0A and D, I'd say that the GAL will be at the bo= ttom of stack.
>
>=C2=A0 =C2=A0 =C2=A0What if you need the CACh for the sub-path B to C, = where will the GAL
>=C2=A0 =C2=A0 =C2=A0go?
>
>=C2=A0 =C2=A0 =C2=A0/Loa
>
>
>
>=C2=A0 =C2=A0 =C2=A0On 2019-02-23 09:25, Rakesh Gandhi wrote:
>=C2=A0 =C2=A0 =C2=A0 > Hi Greg,
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 > I am not sure if the question has been answer= ed. I would think
>=C2=A0 =C2=A0 =C2=A0GAL is at
>=C2=A0 =C2=A0 =C2=A0 > the bottom of the label stack.
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 > Thanks,
>=C2=A0 =C2=A0 =C2=A0 > Rakesh
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 > On Sat, Feb 16, 2019 at 4:24 PM Greg Mirsky >=C2=A0 =C2=A0 =C2=A0<gregimirsky@gmail.com <mailto:gregimirsky@gmail.com>
>=C2=A0 =C2=A0 =C2=A0 > <mailto:gregimirsky@gmail.com <mailto:gregimirsky@gmail.com>= >> wrote:
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0Hi=C2=A0Weiqiang Cheng, >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0thank you for your expedie= nt response to my questions. The
>=C2=A0 =C2=A0 =C2=A0document
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0states that one of the use= cases for the Path segment is to
>=C2=A0 =C2=A0 =C2=A0be used
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0as a performance, packet l= oss and/or delay, measurement session
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0identifier. I think that R= FC 6374 is the most suitable for PM
>=C2=A0 =C2=A0 =C2=A0OAM in
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0SR-MPLS environment. Of co= urse, the type of the
>=C2=A0 =C2=A0 =C2=A0encapsulated=C2=A0message
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0can be identified using th= e destination UDP port number with
>=C2=A0 =C2=A0 =C2=A0IP/UDP
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0encapsulation. But another= option is to use G-ACh encapsulation.
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0That would require the use= of GAL. And that is how I've
>=C2=A0 =C2=A0 =C2=A0arrived at
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0my original question (I sh= ould have explained it better, my
>=C2=A0 =C2=A0 =C2=A0apologies):
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0How the Path= segment and GAL are placed relative to each
>=C2=A0 =C2=A0 =C2=A0other
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0in the SR-MP= LS label stack?
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0Regards,
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0Greg
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0On Fri, Feb 15, 2019 at 4:= 40 PM Weiqiang Cheng
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<chengweiqiang@chinamobile.com<= /a>
>=C2=A0 =C2=A0 =C2=A0<mailto:chengweiqiang@chinamobile.com>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:chengweiqiang@chinamobi= le.com
>=C2=A0 =C2=A0 =C2=A0<mailto:chengweiqiang@chinamobile.com>>> wr= ote:
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Hi Greg,____=
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Thanks a lot= for your comments.____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0My comments = are in-line.____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0__ __
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0B.R.____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Weiqiang Che= ng____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0__ __
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0*=E5=8F=91= =E4=BB=B6=E4=BA=BA:*Greg Mirsky [mailto:gregimirsky@gmail.com
>=C2=A0 =C2=A0 =C2=A0<mailto:gregimirsky@gmail.com>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<mailto:<= a href=3D"mailto:gregimirsky@gmail.com" target=3D"_blank">gregimirsky@gmail= .com
>=C2=A0 =C2=A0 =C2=A0<mailto:gregimirsky@gmail.com>>]
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0*=E5=8F=91= =E9=80=81=E6=97=B6=E9=97=B4:*2019=E5=B9=B42=E6=9C=8815=E6=97=A53:37
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0*=E6=94=B6= =E4=BB=B6=E4=BA=BA:*Alexander Vainshtein
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0*=E6=8A=84= =E9=80=81:*spring@ietf= .org <mailto:sp= ring@ietf.org>
>=C2=A0 =C2=A0 =C2=A0<mailto:spring@ietf.org <mailto:spring@ietf.org>>; Stewart Bryant;
>=C2=A0 =C2=A0 =C2=A0 > draft-cheng-spring-mpls-path-segment@= ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:draft-cheng-spring-mpls-path-seg= ment@ietf.org>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<mailto:<= a href=3D"mailto:draft-cheng-spring-mpls-path-segment@ietf.org" target=3D"_= blank">draft-cheng-spring-mpls-path-segment@ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:draft-cheng-spring-mpls-path-seg= ment@ietf.org>>;
>=C2=A0 =C2=A0 =C2=A0 > mpls@ietf.org <mailto:mpls@ietf.org> <mailto:mpls@ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:mpls@ietf.org>>; Loa Andersson
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0*=E4=B8=BB= =E9=A2=98:*Re: [spring] to progress
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-cheng-= spring-mpls-path-segment____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0__ __
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Dear All,___= _
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0I concur wit= h all what has been said in support of the
>=C2=A0 =C2=A0 =C2=A0adoption
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0of this draf= t by SPRING WG. The document is well-written,
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0addresses th= e real problem in SR-MPLS, and the proposed
>=C2=A0 =C2=A0 =C2=A0solution
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0is technical= ly viable.____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0My comments = and questions are entirely for further
>=C2=A0 =C2=A0 =C2=A0discussion:____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0* wou= ld the=C2=A0draft be expanded to demonstrate how "the Path
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0Segment may be used to identify an SR-MPLS Policy, its
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0Candidate-Path (CP) or a SID List (SL)"?____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0[Weiqiang] Y= es, It is necessary and=C2=A0we will add some text to
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0demonstrate = this in the future version. ____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0* as = many use cases for the Path Segment are related to OAM
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0operations, it would be helpful to expand on the use
>=C2=A0 =C2=A0 =C2=A0of GAL
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0and the Path Segment.____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0[Weiqiang] I= t is always helpful to have more use cases.
>=C2=A0 =C2=A0 =C2=A0However,
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0The GAL is u= sed today in MPLS-TP LSPs to flag the G-Ach
>=C2=A0 =C2=A0 =C2=A0and is
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0used for OAM= packets only while the Path segment is used for
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0data packets= for the each traffic flow. It is a little bit
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0different. _= ___
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Regards,____=
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Greg____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0__ __
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0On Thu, Feb = 14, 2019 at 1:12 AM Alexander Vainshtein
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<Alexande= r.Vainshtein@ecitele..com
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<mailto:<= a href=3D"mailto:Alexander.Vainshtein@ecitele.com" target=3D"_blank">Alexan= der.Vainshtein@ecitele.com
>=C2=A0 =C2=A0 =C2=A0<mailto:Alexander.Vainshtein@ecitele.com>>&= gt; wrote:____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0+1.____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0I have been following this draft from its -00
>=C2=A0 =C2=A0 =C2=A0revision. The
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0current revision has resolved most of the issues I (and
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0others) have been raised (e.g., elimination of excessive
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0options).____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 From my POV, in its current state the draft meets
>=C2=A0 =C2=A0 =C2=A0two basic
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0requirements for the WG adoption:____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A01.It addresses a real and relevant problem, namely
>=C2=A0 =C2=A0 =C2=A0the MPLS
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0Flow Identification problem discussed in general in
>=C2=A0 =C2=A0 =C2=A0RFC 8372
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0<https://tools.ietf.org/html/rfc8372> and scoped to<= br> >=C2=A0 =C2=A0 =C2=A0SR-MPLS
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0LSPs in this draft. Specifics of SR-MPLS include the
>=C2=A0 =C2=A0 =C2=A0need to
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0provide end-to-end liveness check that is one of the
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0requirements explicitly specified in Section 2 of RFC
>=C2=A0 =C2=A0 =C2=A08355
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0<https://tools.ietf.org/html/rfc8355>. ____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A02.It provides a reasonable (from my POV) approach to
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0solution of this problem.____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0I also concur with Stewart=E2=80=99s comment about strong
>=C2=A0 =C2=A0 =C2=A0similarity
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0between the approach taken in this draft for SR-MPLS and
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0generic work in progress on synonymous flow labels
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0
>=C2=A0 =C2=A0 =C2=A0 =C2=A0<https= ://tools.ietf.org/html/draft-ietf-mpls-sfl-framework-04>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0that has been already adopted as a MPLS WG item.=C2=A0 To
>=C2=A0 =C2=A0 =C2=A0me this
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0is yet another indication that the draft should be
>=C2=A0 =C2=A0 =C2=A0adopted.____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0My 2c,____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0Sasha____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0Office: +972-39266302____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0Cell:=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +972-549266302____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0Email: Alexander.Vainshtein@ecitele.com
>=C2=A0 =C2=A0 =C2=A0<mailto:Alexander.Vainshtein@ecitele.com>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0<mailto:Alexander.Vainshtein@ecitele.com
>=C2=A0 =C2=A0 =C2=A0<mailto:Alexander.Vainshtein@ecitele.com>>_= ___
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0-----Original Message-----
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0From: spring <spring-bounces@ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:spring-bounces@ietf.org>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0<mailto:= spring-bounces@ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:spring-bounces@ietf.org>>> On Behalf Of S= tewart Bryant
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0Sent: Wednesday, February 13, 2019 12:48 PM
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0To: Loa Andersson <loa@pi..nu <mailto:loa@pi.nu
>=C2=A0 =C2=A0 =C2=A0<mailto:loa@pi.nu>>>;
>=C2=A0 =C2=A0 =C2=A0 > spring@ietf.org <mailto:spring@ietf.org> <mailto:spring@ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:spring@ietf.org>>;
>=C2=A0 =C2=A0 =C2=A0 > draft-cheng-spring-mpls-path-segment@= ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:draft-cheng-spring-mpls-path-seg= ment@ietf.org>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0<mailto:draft-cheng-spring-mpls-path-segment@ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:draft-cheng-spring-mpls-path-seg= ment@ietf.org>>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0Subject: Re: [spring] to progress
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0draft-cheng-spring-mpls-path-segment____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0I have just read the draft and agree that it should be
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0adopted by the WG. It solves an important problem in
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0instrumenting and protecting an SR path.____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0It should be noted that we needed to do something very
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0similar in mainstream MPLS via the synonymous label work
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0which is already adopted. ____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0However SL did not address the SR case.. We therefore
>=C2=A0 =C2=A0 =C2=A0need
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0this path label work to be progressed.____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0- Stewart____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0On 10/02/2019 08:11, Loa Andersson wrote:____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0> Working Group,____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0> ____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0> I have reviewed
>=C2=A0 =C2=A0 =C2=A0draft-cheng-spring-mpls-path-segment and as far as = I ____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0> can see, it is ready for wg adoption.____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0> ____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0> There were some comments in Bangkok, but due to the
>=C2=A0 =C2=A0 =C2=A0many collisions ____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0> between working groups at that meeting I couldn't
>=C2=A0 =C2=A0 =C2=A0attend the SPRING ____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0> f2f.____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0> ____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0> The minutes are not clear, but as far as I
>=C2=A0 =C2=A0 =C2=A0understand, there is ____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0> nothing that can't be resolved in the wg process.____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0> ____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0> /Loa____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0____
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0___________________________________________________
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0spring mailing list____
>=C2=A0 =C2=A0 =C2=A0 >
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>=C2=A0 =C2=A0 =C2=A0<mailto:spring@ietf.org>>____
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>=C2=A0 =C2=A0 =C2=A0Loa Andersson=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 email: loa@pi.nu <mailto:loa@pi.nu>
>=C2=A0 =C2=A0 =C2=A0Senior MPLS Expert
>=C2=A0 =C2=A0 =C2=A0Bronze Dragon Consulting=C2=A0 =C2=A0 =C2=A0 =C2=A0= =C2=A0 =C2=A0 =C2=A0phone: +46 739 81 21 64
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Loa Andersson=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0= =C2=A0 =C2=A0 =C2=A0 email: loa@pi.nu
Senior MPLS Expert
Bronze Dragon Consulting=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0pho= ne: +46 739 81 21 64
--000000000000a3e39c0582882e44-- From nobody Sat Feb 23 00:17:01 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3F89C130E64; Sat, 23 Feb 2019 00:16:52 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0.601 X-Spam-Level: X-Spam-Status: No, score=0.601 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, URIBL_BLOCKED=0.001, URIBL_DBL_SPAM=2.5] autolearn=no autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id budA4k69tYxo; Sat, 23 Feb 2019 00:16:48 -0800 (PST) Received: from pipi.pi.nu (pipi.pi.nu [83.168.239.141]) (using TLSv1.1 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 120411200B3; Sat, 23 Feb 2019 00:16:48 -0800 (PST) Received: from [192.168.1.20] (unknown [119.94.169.156]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: loa@pi.nu) by pipi.pi.nu (Postfix) with ESMTPSA id B56DF180157E; Sat, 23 Feb 2019 09:16:43 +0100 (CET) To: Greg Mirsky Cc: mpls@ietf.org, spring , Alexander Vainshtein , Weiqiang Cheng , Rakesh Gandhi , draft-cheng-spring-mpls-path-segment@ietf.org, Stewart Bryant References: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> <9419b7d7-87ef-151f-5ed8-b0f78c6e83af@gmail.com> <050301d4c590$445f5d50$cd1e17f0$@com> <9d7a2690-6ef4-438a-6ca8-0548ad2aca0e@pi.nu> <13cb42a8-e298-c3cc-d116-219f144f5357@pi.nu> From: Loa Andersson Message-ID: <886d0aeb-281e-984a-9c9d-645101d4d02b@pi.nu> Date: Sat, 23 Feb 2019 16:16:00 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Archived-At: Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 23 Feb 2019 08:16:52 -0000 Greg, On 2019-02-23 12:31, Greg Mirsky wrote: > Hi Loa, > another tunnel with the Path segment from node C is, in my view, very > close to SPME tunnel. The Path segment from C is needed because Path > segment from D is not known to the node C, cannot be associated with the > right SR-tunnel segment, i.e., tunnel B-C. The fate sharing may be > achieved by using exactly the same SIDs as in the A-D tunnel for the B-C > segment. And GAL is still BoS on B-C tunnel. Are we getting closer? Not sure, you lose me somewhere between the "B", "C", "D", "from" and "another". So let me check I was talking about So the stack transporting payload from B-C looks like this: +------------+ ~B->C SubPath~ +------------+ |s-PSID(B->C)| +------------+ | BSID(C->D) | +------------+ |e-PSID(A->D)| +------------+ figure 1 The "~" at the top means that there might be more than one label that can be popped or swapped, right? So the stack transporting GACh from B-C looks like this: +--------------+ ~ B->C SubPath ~ +--------------+ | GAL | +--------------+ | GACh info-1 | +--------------+ | GACh info-2 | +--------------+ figure 2 Now my question is the "B->C SubPath" in the first figure identical to the "B->C SubPath" in the second figure? Now -- > > Regards, > Greg > > On Fri, Feb 22, 2019 at 8:15 PM Loa Andersson > wrote: > > Greg, > > We are close, though I hope the rules are that GAL is bottom of stack, > and that a packet with a GACh does not carry user payload. > > I should have said that "if you want a GACg for the > > I don't understand why we need a "new" SR tunnel, the GAL/GACh can > ride with the GAL as bottom of stack with the label stack for > Sub-path(B->C), right? If you put it on "another" tunnel, how do > you guarantee fate sharing? > > /Loa > > /Loa > > On 2019-02-23 11:55, Greg Mirsky wrote: > > Hi Loa, > > I think it will be similar to SPME and we'll need to have another > > SR-tunnel B-C with its own Path segment allocated by node C. But GAL > > will still be BoS. > > > > Regards, > > Greg. > > > > On Fri, Feb 22, 2019 at 6:15 PM Loa Andersson > > >> wrote: > > > >     Rakesh, authors, > > > >     I have not been thinking about this too much. But if you look > at fig 2 > >     of draft-cheng-spring-mpls-path-segment, and you need a GACh > between > >     A and D, I'd say that the GAL will be at the bottom of stack. > > > >     What if you need the CACh for the sub-path B to C, where will > the GAL > >     go? > > > >     /Loa > > > > > > > >     On 2019-02-23 09:25, Rakesh Gandhi wrote: > >      > Hi Greg, > >      > > >      > I am not sure if the question has been answered. I would think > >     GAL is at > >      > the bottom of the label stack. > >      > > >      > Thanks, > >      > Rakesh > >      > > >      > > >      > On Sat, Feb 16, 2019 at 4:24 PM Greg Mirsky > >      > > > >      > >>> wrote: > >      > > >      >     Hi Weiqiang Cheng, > >      >     thank you for your expedient response to my questions. The > >     document > >      >     states that one of the use cases for the Path segment > is to > >     be used > >      >     as a performance, packet loss and/or delay, > measurement session > >      >     identifier. I think that RFC 6374 is the most suitable > for PM > >     OAM in > >      >     SR-MPLS environment. Of course, the type of the > >     encapsulated message > >      >     can be identified using the destination UDP port > number with > >     IP/UDP > >      >     encapsulation. But another option is to use G-ACh > encapsulation. > >      >     That would require the use of GAL. And that is how I've > >     arrived at > >      >     my original question (I should have explained it > better, my > >     apologies): > >      > > >      >         How the Path segment and GAL are placed relative > to each > >     other > >      >         in the SR-MPLS label stack? > >      > > >      >     Regards, > >      >     Greg > >      > > >      >     On Fri, Feb 15, 2019 at 4:40 PM Weiqiang Cheng > >      >      > >      > > >      >      > >      >>> wrote: > >      > > >      >         Hi Greg,____ > >      > > >      >         Thanks a lot for your comments.____ > >      > > >      >         My comments are in-line.____ > >      > > >      >         __ __ > >      > > >      >         B.R.____ > >      > > >      >         Weiqiang Cheng____ > >      > > >      >         __ __ > >      > > >      >         *发件人:*Greg Mirsky [mailto:gregimirsky@gmail.com > > >     > > >      >          > >     >>] > >      >         *发送时间:*2019年2月15日3:37 > >      >         *收件人:*Alexander Vainshtein > >      >         *抄送:*spring@ietf..org > > > >      > >>; Stewart Bryant; > >      > draft-cheng-spring-mpls-path-segment@ietf.org > > >      > > >      > >   > >      >>; > >      > mpls@ietf.org > > >     >>; Loa Andersson > >      >         *主题:*Re: [spring] to progress > >      >         draft-cheng-spring-mpls-path-segment____ > >      > > >      >         __ __ > >      > > >      >         Dear All,____ > >      > > >      >         I concur with all what has been said in support of the > >     adoption > >      >         of this draft by SPRING WG. The document is > well-written, > >      >         addresses the real problem in SR-MPLS, and the > proposed > >     solution > >      >         is technically viable.____ > >      > > >      >         My comments and questions are entirely for further > >     discussion:____ > >      > > >      >           * would the draft be expanded to demonstrate how > "the Path > >      >             Segment may be used to identify an SR-MPLS > Policy, its > >      >             Candidate-Path (CP) or a SID List (SL)"?____ > >      > > >      >         [Weiqiang] Yes, It is necessary and we will add > some text to > >      >         demonstrate this in the future version. ____ > >      > > >      >           * as many use cases for the Path Segment are > related to OAM > >      >             operations, it would be helpful to expand on > the use > >     of GAL > >      >             and the Path Segment.____ > >      > > >      >         [Weiqiang] It is always helpful to have more use > cases. > >     However, > >      >         The GAL is used today in MPLS-TP LSPs to flag the > G-Ach > >     and is > >      >         used for OAM packets only while the Path segment > is used for > >      >         data packets for the each traffic flow. It is a > little bit > >      >         different. ____ > >      > > >      >         Regards,____ > >      > > >      >         Greg____ > >      > > >      >         __ __ > >      > > >      >         On Thu, Feb 14, 2019 at 1:12 AM Alexander Vainshtein > >      >          >      >          > >      >>> wrote:____ > >      > > >      >             +1.____ > >      > > >      >             ____ > >      > > >      >             I have been following this draft from its -00 > >     revision. The > >      >             current revision has resolved most of the > issues I (and > >      >             others) have been raised (e.g., elimination of > excessive > >      >             options).____ > >      > > >      >             ____ > >      > > >      >              From my POV, in its current state the draft meets > >     two basic > >      >             requirements for the WG adoption:____ > >      > > >      >             1.It addresses a real and relevant problem, namely > >     the MPLS > >      >             Flow Identification problem discussed in > general in > >     RFC 8372 > >      >              and > scoped to > >     SR-MPLS > >      >             LSPs in this draft. Specifics of SR-MPLS > include the > >     need to > >      >             provide end-to-end liveness check that is one > of the > >      >             requirements explicitly specified in Section 2 > of RFC > >     8355 > >      >             . ____ > >      > > >      >             2.It provides a reasonable (from my POV) > approach to > >      >               solution of this problem.____ > >      > > >      >             ____ > >      > > >      >             I also concur with Stewart’s comment about strong > >     similarity > >      >             between the approach taken in this draft for > SR-MPLS and > >      >             generic work in progress on synonymous flow labels > >      > > >        > >      >             that has been already adopted as a MPLS WG > item.  To > >     me this > >      >             is yet another indication that the draft should be > >     adopted.____ > >      > > >      >             ____ > >      > > >      >             My 2c,____ > >      > > >      >             Sasha____ > >      > > >      >             ____ > >      > > >      >             Office: +972-39266302____ > >      > > >      >             Cell:      +972-549266302____ > >      > > >      >             Email: Alexander.Vainshtein@ecitele.com > > >      > > >      >              > >      >>____ > >      > > >      >             ____ > >      > > >      >             -----Original Message----- > >      >             From: spring > >     > > >      >              > >      >>> On Behalf Of Stewart Bryant > >      >             Sent: Wednesday, February 13, 2019 12:48 PM > >      >             To: Loa Andersson > >     >>>; > >      > spring@ietf.org > > > > >     >>; > >      > draft-cheng-spring-mpls-path-segment@ietf.org > > >      > > >      > >   > >      >> > >      >             Subject: Re: [spring] to progress > >      >             draft-cheng-spring-mpls-path-segment____ > >      > > >      >             ____ > >      > > >      >             I have just read the draft and agree that it > should be > >      >             adopted by the WG. It solves an important > problem in > >      >             instrumenting and protecting an SR path.____ > >      > > >      >             ____ > >      > > >      >             It should be noted that we needed to do > something very > >      >             similar in mainstream MPLS via the synonymous > label work > >      >             which is already adopted. ____ > >      > > >      >             However SL did not address the SR case.. We > therefore > >     need > >      >             this path label work to be progressed.____ > >      > > >      >             ____ > >      > > >      >             - Stewart____ > >      > > >      >             ____ > >      > > >      >             On 10/02/2019 08:11, Loa Andersson wrote:____ > >      > > >      >             > Working Group,____ > >      > > >      >             > ____ > >      > > >      >             > I have reviewed > >     draft-cheng-spring-mpls-path-segment and as far as I ____ > >      > > >      >             > can see, it is ready for wg adoption.____ > >      > > >      >             > ____ > >      > > >      >             > There were some comments in Bangkok, but due > to the > >     many collisions ____ > >      > > >      >             > between working groups at that meeting I > couldn't > >     attend the SPRING ____ > >      > > >      >             > f2f.____ > >      > > >      >             > ____ > >      > > >      >             > The minutes are not clear, but as far as I > >     understand, there is ____ > >      > > >      >             > nothing that can't be resolved in the wg > process.____ > >      > > >      >             > ____ > >      > > >      >             > /Loa____ > >      > > >      >             ____ > >      > > >      > >  ___________________________________________________ > >      > > >      >             spring mailing list____ > >      > > >      > spring@ietf.org > > > > >     >>____ > >      > > >      > https://www..ietf.org/mailman/listinfo/spring____ > > >      > >      > > >      > > >      > > > >  ___________________________________________________________________________ > >      > > >      >             This e-mail message is intended for the recipient > >     only and > >      >             contains information which is > >      >             CONFIDENTIAL and which may be proprietary to ECI > >     Telecom. If > >      >             you have received this > >      >             transmission in error, please inform us by e-mail, > >     phone or > >      >             fax, and then delete the original > >      >             and all copies thereof. > >      > > > >  _______________________________________________________________________________ > >      > > >      >             _______________________________________________ > >      >             spring mailing list > >      > spring@ietf.org > > > > >     >> > >      > https://www.ietf.org/mailman/listinfo/spring____ > >      > > >      >     _______________________________________________ > >      >     spring mailing list > >      > spring@ietf.org > > > > >     >> > >      > https://www.ietf.org/mailman/listinfo/spring > >      > > > > >     -- > > > > > >     Loa Andersson                        email: loa@pi.nu > > > >     Senior MPLS Expert > >     Bronze Dragon Consulting             phone: +46 739 81 21 64 > > > > > > _______________________________________________ > > spring mailing list > > spring@ietf.org > > https://www.ietf.org/mailman/listinfo/spring > > > > -- > > > Loa Andersson                        email: loa@pi.nu > Senior MPLS Expert > Bronze Dragon Consulting             phone: +46 739 81 21 64 > > > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring > -- Loa Andersson email: loa@pi.nu Senior MPLS Expert Bronze Dragon Consulting phone: +46 739 81 21 64 From nobody Sat Feb 23 08:17:31 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 687A912958B; 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Sat, 23 Feb 2019 08:17:23 -0800 (PST) MIME-Version: 1.0 References: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> <9419b7d7-87ef-151f-5ed8-b0f78c6e83af@gmail.com> <050301d4c590$445f5d50$cd1e17f0$@com> <9d7a2690-6ef4-438a-6ca8-0548ad2aca0e@pi.nu> <13cb42a8-e298-c3cc-d116-219f144f5357@pi.nu> <886d0aeb-281e-984a-9c9d-645101d4d02b@pi.nu> In-Reply-To: <886d0aeb-281e-984a-9c9d-645101d4d02b@pi.nu> From: Greg Mirsky Date: Sat, 23 Feb 2019 08:17:15 -0800 Message-ID: To: Loa Andersson Cc: mpls@ietf.org, spring , Alexander Vainshtein , Weiqiang Cheng , Rakesh Gandhi , draft-cheng-spring-mpls-path-segment@ietf.org, Stewart Bryant Content-Type: multipart/alternative; boundary="000000000000e378140582920a57" Archived-At: Subject: Re: [spring] to progress draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 23 Feb 2019 16:17:30 -0000 --000000000000e378140582920a57 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Loa, picture is worth a thousand words, thank you! I think that OAM packet on A-D A-D tunnel will be like this: Couple notes: - not sure we need s-PSID(B->C) (assuming it is Path SID for the B-C segment); - encapsulation for an OAM packet on the segment B-C must include s-PSID(B->C); - I agree that B->C SubPath must be the same in both cases. Regards, Greg On Sat, Feb 23, 2019 at 12:16 AM Loa Andersson wrote: > Greg, > > > > On 2019-02-23 12:31, Greg Mirsky wrote: > > Hi Loa, > > another tunnel with the Path segment from node C is, in my view, very > > close to SPME tunnel. The Path segment from C is needed because Path > > segment from D is not known to the node C, cannot be associated with th= e > > right SR-tunnel segment, i.e., tunnel B-C. The fate sharing may be > > achieved by using exactly the same SIDs as in the A-D tunnel for the B-= C > > segment. And GAL is still BoS on B-C tunnel. Are we getting closer? > > Not sure, you lose me somewhere between the "B", "C", "D", "from" and > "another". > > So let me check I was talking about > > So the stack transporting payload from B-C looks like this: > > +------------+ > ~B->C SubPath~ > +------------+ > |s-PSID(B->C)| > +------------+ > | BSID(C->D) | > +------------+ > |e-PSID(A->D)| > +------------+ > figure 1 > > The "~" at the top means that there might be more than one label that > can be popped or swapped, right? > > So the stack transporting GACh from B-C looks like this: > > +--------------+ > ~ B->C SubPath ~ > +--------------+ > | GAL | > +--------------+ > | GACh info-1 | > +--------------+ > | GACh info-2 | > +--------------+ > figure 2 > > Now my question is the "B->C SubPath" in the first figure identical > to the "B->C SubPath" in the second figure? > Now > -- > > > > > > > Regards, > > Greg > > > > On Fri, Feb 22, 2019 at 8:15 PM Loa Andersson > > wrote: > > > > Greg, > > > > We are close, though I hope the rules are that GAL is bottom of > stack, > > and that a packet with a GACh does not carry user payload. > > > > I should have said that "if you want a GACg for the > > > > I don't understand why we need a "new" SR tunnel, the GAL/GACh can > > ride with the GAL as bottom of stack with the label stack for > > Sub-path(B->C), right? If you put it on "another" tunnel, how do > > you guarantee fate sharing? > > > > /Loa > > > > /Loa > > > > On 2019-02-23 11:55, Greg Mirsky wrote: > > > Hi Loa, > > > I think it will be similar to SPME and we'll need to have anothe= r > > > SR-tunnel B-C with its own Path segment allocated by node C. But > GAL > > > will still be BoS. > > > > > > Regards, > > > Greg. > > > > > > On Fri, Feb 22, 2019 at 6:15 PM Loa Andersson > > > > >> wrote: > > > > > > Rakesh, authors, > > > > > > I have not been thinking about this too much. But if you loo= k > > at fig 2 > > > of draft-cheng-spring-mpls-path-segment, and you need a GACh > > between > > > A and D, I'd say that the GAL will be at the bottom of stack= . > > > > > > What if you need the CACh for the sub-path B to C, where wil= l > > the GAL > > > go? > > > > > > /Loa > > > > > > > > > > > > On 2019-02-23 09:25, Rakesh Gandhi wrote: > > > > Hi Greg, > > > > > > > > I am not sure if the question has been answered. I would > think > > > GAL is at > > > > the bottom of the label stack. > > > > > > > > Thanks, > > > > Rakesh > > > > > > > > > > > > On Sat, Feb 16, 2019 at 4:24 PM Greg Mirsky > > > > > > > > > > > > >>> wrote: > > > > > > > > Hi Weiqiang Cheng, > > > > thank you for your expedient response to my questions= . > The > > > document > > > > states that one of the use cases for the Path segment > > is to > > > be used > > > > as a performance, packet loss and/or delay, > > measurement session > > > > identifier. I think that RFC 6374 is the most suitabl= e > > for PM > > > OAM in > > > > SR-MPLS environment. Of course, the type of the > > > encapsulated message > > > > can be identified using the destination UDP port > > number with > > > IP/UDP > > > > encapsulation. But another option is to use G-ACh > > encapsulation. > > > > That would require the use of GAL. And that is how I'= ve > > > arrived at > > > > my original question (I should have explained it > > better, my > > > apologies): > > > > > > > > How the Path segment and GAL are placed relative > > to each > > > other > > > > in the SR-MPLS label stack? > > > > > > > > Regards, > > > > Greg > > > > > > > > On Fri, Feb 15, 2019 at 4:40 PM Weiqiang Cheng > > > > > > > > > > > > > > > > > > > >>> wrote: > > > > > > > > Hi Greg,____ > > > > > > > > Thanks a lot for your comments.____ > > > > > > > > My comments are in-line.____ > > > > > > > > __ __ > > > > > > > > B.R.____ > > > > > > > > Weiqiang Cheng____ > > > > > > > > __ __ > > > > > > > > *=E5=8F=91=E4=BB=B6=E4=BA=BA:*Greg Mirsky [mailto= :gregimirsky@gmail.com > > > > > = > > > > > > > > > >>>] > > > > *=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4:*2019=E5=B9= =B42=E6=9C=8815=E6=97=A53:37 > > > > *=E6=94=B6=E4=BB=B6=E4=BA=BA:*Alexander Vainshtei= n > > > > *=E6=8A=84=E9=80=81:*spring@ietf..org > > > > > > > > >>; Stewart Bryant; > > > > draft-cheng-spring-mpls-path-segment@ietf.org > > > > > > > > > > > > > > > > > > >>; > > > > mpls@ietf.org > > > > > >>; Loa Andersso= n > > > > *=E4=B8=BB=E9=A2=98:*Re: [spring] to progress > > > > draft-cheng-spring-mpls-path-segment____ > > > > > > > > __ __ > > > > > > > > Dear All,____ > > > > > > > > I concur with all what has been said in support o= f > the > > > adoption > > > > of this draft by SPRING WG. The document is > > well-written, > > > > addresses the real problem in SR-MPLS, and the > > proposed > > > solution > > > > is technically viable.____ > > > > > > > > My comments and questions are entirely for furthe= r > > > discussion:____ > > > > > > > > * would the draft be expanded to demonstrate ho= w > > "the Path > > > > Segment may be used to identify an SR-MPLS > > Policy, its > > > > Candidate-Path (CP) or a SID List (SL)"?____ > > > > > > > > [Weiqiang] Yes, It is necessary and we will add > > some text to > > > > demonstrate this in the future version. ____ > > > > > > > > * as many use cases for the Path Segment are > > related to OAM > > > > operations, it would be helpful to expand on > > the use > > > of GAL > > > > and the Path Segment.____ > > > > > > > > [Weiqiang] It is always helpful to have more use > > cases. > > > However, > > > > The GAL is used today in MPLS-TP LSPs to flag the > > G-Ach > > > and is > > > > used for OAM packets only while the Path segment > > is used for > > > > data packets for the each traffic flow. It is a > > little bit > > > > different. ____ > > > > > > > > Regards,____ > > > > > > > > Greg____ > > > > > > > > __ __ > > > > > > > > On Thu, Feb 14, 2019 at 1:12 AM Alexander > Vainshtein > > > > > > > > > > > > >>> wrote:____ > > > > > > > > +1.____ > > > > > > > > ____ > > > > > > > > I have been following this draft from its -00 > > > revision. The > > > > current revision has resolved most of the > > issues I (and > > > > others) have been raised (e.g., elimination o= f > > excessive > > > > options).____ > > > > > > > > ____ > > > > > > > > From my POV, in its current state the draft > meets > > > two basic > > > > requirements for the WG adoption:____ > > > > > > > > 1.It addresses a real and relevant problem, > namely > > > the MPLS > > > > Flow Identification problem discussed in > > general in > > > RFC 8372 > > > > and > > scoped to > > > SR-MPLS > > > > LSPs in this draft. Specifics of SR-MPLS > > include the > > > need to > > > > provide end-to-end liveness check that is one > > of the > > > > requirements explicitly specified in Section = 2 > > of RFC > > > 8355 > > > > . ____ > > > > > > > > 2.It provides a reasonable (from my POV) > > approach to > > > > solution of this problem.____ > > > > > > > > ____ > > > > > > > > I also concur with Stewart=E2=80=99s comment = about > strong > > > similarity > > > > between the approach taken in this draft for > > SR-MPLS and > > > > generic work in progress on synonymous flow > labels > > > > > > > < > https://tools.ietf.org/html/draft-ietf-mpls-sfl-framework-04> > > > > that has been already adopted as a MPLS WG > > item. To > > > me this > > > > is yet another indication that the draft > should be > > > adopted.____ > > > > > > > > ____ > > > > > > > > My 2c,____ > > > > > > > > Sasha____ > > > > > > > > ____ > > > > > > > > Office: +972-39266302____ > > > > > > > > Cell: +972-549266302____ > > > > > > > > Email: Alexander.Vainshtein@ecitele.com > > > > > > > > > > > > > > > > >>____ > > > > > > > > ____ > > > > > > > > -----Original Message----- > > > > From: spring > > > > spring-bounces@ietf.org>> > > > > > > > > > >>> On Behalf Of Stewart Bryant > > > > Sent: Wednesday, February 13, 2019 12:48 PM > > > > To: Loa Andersson > > > > >>>; > > > > spring@ietf.org > > > > > > > > >>; > > > > draft-cheng-spring-mpls-path-segment@ietf.org > > > > > > > > > > > > > > > > > > >> > > > > Subject: Re: [spring] to progress > > > > draft-cheng-spring-mpls-path-segment____ > > > > > > > > ____ > > > > > > > > I have just read the draft and agree that it > > should be > > > > adopted by the WG. It solves an important > > problem in > > > > instrumenting and protecting an SR path.____ > > > > > > > > ____ > > > > > > > > It should be noted that we needed to do > > something very > > > > similar in mainstream MPLS via the synonymous > > label work > > > > which is already adopted. ____ > > > > > > > > However SL did not address the SR case.. We > > therefore > > > need > > > > this path label work to be progressed.____ > > > > > > > > ____ > > > > > > > > - Stewart____ > > > > > > > > ____ > > > > > > > > On 10/02/2019 08:11, Loa Andersson wrote:____ > > > > > > > > > Working Group,____ > > > > > > > > > ____ > > > > > > > > > I have reviewed > > > draft-cheng-spring-mpls-path-segment and as far as I ____ > > > > > > > > > can see, it is ready for wg adoption.____ > > > > > > > > > ____ > > > > > > > > > There were some comments in Bangkok, but du= e > > to the > > > many collisions ____ > > > > > > > > > between working groups at that meeting I > > couldn't > > > attend the SPRING ____ > > > > > > > > > f2f.____ > > > > > > > > > ____ > > > > > > > > > The minutes are not clear, but as far as I > > > understand, there is ____ > > > > > > > > > nothing that can't be resolved in the wg > > process.____ > > > > > > > > > ____ > > > > > > > > > /Loa____ > > > > > > > > ____ > > > > > > > > > > ___________________________________________________ > > > > > > > > spring mailing list____ > > > > > > > > spring@ietf.org > > > > > > > > >>____ > > > > > > > > https://www..ietf.org/mailman/listinfo/spring____ > > > > > > > > > > > > > > > > > > > > > > > ________________________________________________________________________= ___ > > > > > > > > This e-mail message is intended for the > recipient > > > only and > > > > contains information which is > > > > CONFIDENTIAL and which may be proprietary to > ECI > > > Telecom. If > > > > you have received this > > > > transmission in error, please inform us by > e-mail, > > > phone or > > > > fax, and then delete the original > > > > and all copies thereof. > > > > > > > > > > ________________________________________________________________________= _______ > > > > > > > > _____________________________________________= __ > > > > spring mailing list > > > > spring@ietf.org > > > > > > > > >> > > > > https://www.ietf.org/mailman/listinfo/spring____ > > > > > > > > _______________________________________________ > > > > spring mailing list > > > > spring@ietf.org > > > > > > > > >> > > > > https://www.ietf.org/mailman/listinfo/spring > > > > > > > > > > -- > > > > > > > > > Loa Andersson email: loa@pi.nu > > > > > > Senior MPLS Expert > > > Bronze Dragon Consulting phone: +46 739 81 21 64 > > > > > > > > > _______________________________________________ > > > spring mailing list > > > spring@ietf.org > > > https://www.ietf.org/mailman/listinfo/spring > > > > > > > -- > > > > > > Loa Andersson email: loa@pi.nu loa@pi.nu> > > Senior MPLS Expert > > Bronze Dragon Consulting phone: +46 739 81 21 64 > > > > > > _______________________________________________ > > spring mailing list > > spring@ietf.org > > https://www.ietf.org/mailman/listinfo/spring > > > > -- > > > Loa Andersson email: loa@pi.nu > Senior MPLS Expert > Bronze Dragon Consulting phone: +46 739 81 21 64 > --000000000000e378140582920a57 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Loa,
picture is worth a thousand w= ords, thank you! I think that OAM packet on A-D A-D tunnel will be like thi= s:
Couple notes:
  • not sure we need=C2=A0 s-PSID(B->C) (assuming it is Path SID for the B-C segment);
  • enca= psulation for an OAM packet on the segment B-C must include=C2=A0 s-PSID(B->C);
  • I agree that=C2=A0 B->C SubPath must be the same in both cases.
<= div>Regards,
Greg

On Sat, Feb 23, 2019 at 12:16 AM Loa Anders= son <loa@pi.nu> wrote:
Greg,



On 2019-02-23 12:31, Greg Mirsky wrote:
> Hi Loa,
> another tunnel with the Path segment from node C is, in my view, very =
> close to SPME tunnel. The Path segment from C is needed because Path <= br> > segment from D is not known to the node C, cannot be associated with t= he
> right SR-tunnel segment, i.e., tunnel B-C. The fate sharing may be > achieved by using exactly the same SIDs as in the A-D tunnel for the B= -C
> segment. And GAL is still BoS on B-C tunnel. Are we getting closer?
Not sure, you lose me somewhere between the "B", "C", &= quot;D", "from" and
"another".

So let me check I was talking about

So the stack transporting payload from B-C looks like this:

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0+------------+
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0~B->C SubPath~
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0+------------+
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0|s-PSID(B->C)|
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0+------------+
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0| BSID(C->D) |
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0+------------+
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0|e-PSID(A->D)|
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0+------------+
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 figure 1

The "~" at the top means that there might be more than one label = that
can be popped or swapped, right?

So the stack transporting GACh from B-C looks like this:

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0+--------------+
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0~ B->C SubPath ~
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0+--------------+
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0|=C2=A0 =C2=A0 =C2=A0GAL=C2=A0 =C2=A0 =C2=A0 |
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0+--------------+
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0|=C2=A0 GACh info-1 |
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0+--------------+
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0|=C2=A0 GACh info-2 |
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0+--------------+
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 figure 2

Now my question is the "B->C SubPath" in the first figure iden= tical
to the "B->C SubPath" in the second figure?
Now
--



>
> Regards,
> Greg
>
> On Fri, Feb 22, 2019 at 8:15 PM Loa Andersson <loa@pi.nu
> <mailto:loa@pi.nu>> wrote:
>
>=C2=A0 =C2=A0 =C2=A0Greg,
>
>=C2=A0 =C2=A0 =C2=A0We are close, though I hope the rules are that GAL = is bottom of stack,
>=C2=A0 =C2=A0 =C2=A0and that a packet with a GACh does not carry user p= ayload.
>
>=C2=A0 =C2=A0 =C2=A0I should have said that "if you want a GACg fo= r the
>
>=C2=A0 =C2=A0 =C2=A0I don't understand why we need a "new"= ; SR tunnel, the GAL/GACh can
>=C2=A0 =C2=A0 =C2=A0ride with the GAL as bottom of stack with the label= stack for
>=C2=A0 =C2=A0 =C2=A0Sub-path(B->C), right? If you put it on "an= other" tunnel, how do
>=C2=A0 =C2=A0 =C2=A0you guarantee fate sharing?
>
>=C2=A0 =C2=A0 =C2=A0/Loa
>
>=C2=A0 =C2=A0 =C2=A0/Loa
>
>=C2=A0 =C2=A0 =C2=A0On 2019-02-23 11:55, Greg Mirsky wrote:
>=C2=A0 =C2=A0 =C2=A0 > Hi Loa,
>=C2=A0 =C2=A0 =C2=A0 > I think it will be similar to SPME and we'= ;ll need to have another
>=C2=A0 =C2=A0 =C2=A0 > SR-tunnel B-C with its own Path segment alloc= ated by node C. But GAL
>=C2=A0 =C2=A0 =C2=A0 > will still be BoS.
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 > Regards,
>=C2=A0 =C2=A0 =C2=A0 > Greg.
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 > On Fri, Feb 22, 2019 at 6:15 PM Loa Andersson= <loa@pi.nu
>=C2=A0 =C2=A0 =C2=A0<mailto:loa@pi.nu>
>=C2=A0 =C2=A0 =C2=A0 > <mailto:loa@pi.nu <mailto:loa@pi.nu>>> wrote:
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0Rakesh, authors,
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0I have not been thinking a= bout this too much. But if you look
>=C2=A0 =C2=A0 =C2=A0at fig 2
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0of draft-cheng-spring-mpls= -path-segment, and you need a GACh
>=C2=A0 =C2=A0 =C2=A0between
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0A and D, I'd say that = the GAL will be at the bottom of stack.
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0What if you need the CACh = for the sub-path B to C, where will
>=C2=A0 =C2=A0 =C2=A0the GAL
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0go?
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0/Loa
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0On 2019-02-23 09:25, Rakes= h Gandhi wrote:
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 > Hi Greg,
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 > I am not sure if the= question has been answered. I would think
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0GAL is at
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 > the bottom of the la= bel stack.
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 > Thanks,
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 > Rakesh
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 > On Sat, Feb 16, 2019= at 4:24 PM Greg Mirsky
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<gregimirsky@gmail.com <mailto:<= a href=3D"mailto:gregimirsky@gmail.com" target=3D"_blank">gregimirsky@gmail= .com>
>=C2=A0 =C2=A0 =C2=A0<mailto:gregimirsky@gmail.com <mailto:gregimirsky@gmail.com>> >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 > <mailto:gregimirsky@gmail.com
>=C2=A0 =C2=A0 =C2=A0<mailto:gregimirsky@gmail.com> <mailto:gregimirsky@gmail.com
>=C2=A0 =C2=A0 =C2=A0<mailto:gregimirsky@gmail.com>>>> wrote:
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0H= i=C2=A0Weiqiang Cheng,
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0t= hank you for your expedient response to my questions. The
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0document
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0s= tates that one of the use cases for the Path segment
>=C2=A0 =C2=A0 =C2=A0is to
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0be used
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0a= s a performance, packet loss and/or delay,
>=C2=A0 =C2=A0 =C2=A0measurement session
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0i= dentifier. I think that RFC 6374 is the most suitable
>=C2=A0 =C2=A0 =C2=A0for PM
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0OAM in
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0S= R-MPLS environment. Of course, the type of the
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0encapsulated=C2=A0message<= br> >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0c= an be identified using the destination UDP port
>=C2=A0 =C2=A0 =C2=A0number with
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0IP/UDP
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0e= ncapsulation. But another option is to use G-ACh
>=C2=A0 =C2=A0 =C2=A0encapsulation.
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0T= hat would require the use of GAL. And that is how I've
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0arrived at
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0m= y original question (I should have explained it
>=C2=A0 =C2=A0 =C2=A0better, my
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0apologies):
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0How the Path segment and GAL are placed relative
>=C2=A0 =C2=A0 =C2=A0to each
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0other
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0in the SR-MPLS label stack?
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0R= egards,
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0G= reg
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0O= n Fri, Feb 15, 2019 at 4:40 PM Weiqiang Cheng
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0&= lt;cheng= weiqiang@chinamobile.com
>=C2=A0 =C2=A0 =C2=A0<mailto:chengweiqiang@chinamobile.com>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:chengweiqiang@chinamobi= le.com
>=C2=A0 =C2=A0 =C2=A0<mailto:chengweiqiang@chinamobile.com>>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0&= lt;mailto:chengweiqiang@chinamobile.com
>=C2=A0 =C2=A0 =C2=A0<mailto:chengweiqiang@chinamobile.com>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:chengweiqiang@chinamobi= le.com
>=C2=A0 =C2=A0 =C2=A0<mailto:chengweiqiang@chinamobile.com>>>>= ; wrote:
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0Hi Greg,____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0Thanks a lot for your comments.____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0My comments are in-line.____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0__ __
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0B.R.____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0Weiqiang Cheng____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0__ __
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0*=E5=8F=91=E4=BB=B6=E4=BA=BA:*Greg Mirsky [mailto:gregimirsky@gmail.com >=C2=A0 =C2=A0 =C2=A0<mailto:gregimirsky@gmail..com>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:gregimirsky@gmail.com <m= ailto:gregimirsk= y@gmail.com>>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0<mailto:gregimirsky@gmail..com
>=C2=A0 =C2=A0 =C2=A0<mailto:gregimirsky@gmail.com>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:gregimirsky@gmail.com <m= ailto:gregimirsk= y@gmail.com>>>]
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0*=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4:*2019=E5=B9=B42=E6=9C=88= 15=E6=97=A53:37
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0*=E6=94=B6=E4=BB=B6=E4=BA=BA:*Alexander Vainshtein
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0*=E6=8A=84=E9=80=81:*spring@ietf..org <mailto:spring@ietf.org>
>=C2=A0 =C2=A0 =C2=A0<mailto:spring@ietf.org <mailto:spring@ietf.org>>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:spring@ietf.org <mailto:spring@ietf.org>
>=C2=A0 =C2=A0 =C2=A0<mailto:spring@ietf.org <mailto:spring@ietf.org>>>; Stewart Bryant;
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 > draft-cheng-= spring-mpls-path-segment@ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:draft-cheng-spring-mpls-path-seg= ment@ietf.org>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:draft-c= heng-spring-mpls-path-segment@ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:draft-cheng-spring-mpls-path-seg= ment@ietf.org>>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0
>=C2=A0 =C2=A0 =C2=A0 =C2=A0<mailto:draft-cheng-spring-mpls-p= ath-segment@ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:draft-cheng-spring-mpls-path-seg= ment@ietf.org>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:draft-c= heng-spring-mpls-path-segment@ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:draft-cheng-spring-mpls-path-seg= ment@ietf.org>>>;
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 > mpls@ietf.org <mailto:mpls@ietf.org> <mailto:mpls@ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:mpls@ietf.org>> <mailto:mpls@ietf.org <mailto:mpls@ietf.org>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:mpls@ietf.org <mailto:mpls@ietf.org>>>; Loa= Andersson
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0*=E4=B8=BB=E9=A2=98:*Re: [spring] to progress
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0draft-cheng-spring-mpls-path-segment____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0__ __
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0Dear All,____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0I concur with all what has been said in support of the
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0adoption
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0of this draft by SPRING WG. The document is
>=C2=A0 =C2=A0 =C2=A0well-written,
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0addresses the real problem in SR-MPLS, and the
>=C2=A0 =C2=A0 =C2=A0proposed
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0solution
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0is technically viable.____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0My comments and questions are entirely for further
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0discussion:____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0* would the=C2=A0draft be expanded to demonstrate how >=C2=A0 =C2=A0 =C2=A0"the Path
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0Segment may be used to identify an SR-MPLS
>=C2=A0 =C2=A0 =C2=A0Policy, its
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0Candidate-Path (CP) or a SID List (SL)"?___= _
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0[Weiqiang] Yes, It is necessary and=C2=A0we will add
>=C2=A0 =C2=A0 =C2=A0some text to
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0demonstrate this in the future version. ____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0* as many use cases for the Path Segment are
>=C2=A0 =C2=A0 =C2=A0related to OAM
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0operations, it would be helpful to expand on
>=C2=A0 =C2=A0 =C2=A0the use
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0of GAL
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0and the Path Segment.____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0[Weiqiang] It is always helpful to have more use
>=C2=A0 =C2=A0 =C2=A0cases.
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0However,
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0The GAL is used today in MPLS-TP LSPs to flag the
>=C2=A0 =C2=A0 =C2=A0G-Ach
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0and is
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0used for OAM packets only while the Path segment
>=C2=A0 =C2=A0 =C2=A0is used for
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0data packets for the each traffic flow. It is a
>=C2=A0 =C2=A0 =C2=A0little bit
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0different. ____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0Regards,____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0Greg____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0__ __
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0On Thu, Feb 14, 2019 at 1:12 AM Alexander Vainshtein
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0<Alexander.Vainshtein@ecitele..com
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0<mailto:Alexander.Vainshtein@ecitele.com
>=C2=A0 =C2=A0 =C2=A0<mailto:Alexander.Vainshtein@ecitele.com>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:Alexander.Vainshtein= @ecitele.com
>=C2=A0 =C2=A0 =C2=A0<mailto:Alexander.Vainshtein@ecitele.com>>&= gt;> wrote:____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0+1.____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0I have been following this draft from its -00 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0revision. The
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0current revision has resolved most of the
>=C2=A0 =C2=A0 =C2=A0issues I (and
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0others) have been raised (e.g., elimination of >=C2=A0 =C2=A0 =C2=A0excessive
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0options).____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 From my POV, in its current state the draft mee= ts
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0two basic
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0requirements for the WG adoption:____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A01.It addresses a real and relevant problem, name= ly
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0the MPLS
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0Flow Identification problem discussed in
>=C2=A0 =C2=A0 =C2=A0general in
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0RFC 8372
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0<https://tools.ietf.org/html/rfc837= 2> and
>=C2=A0 =C2=A0 =C2=A0scoped to
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0SR-MPLS
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0LSPs in this draft. Specifics of SR-MPLS
>=C2=A0 =C2=A0 =C2=A0include the
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0need to
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0provide end-to-end liveness check that is one >=C2=A0 =C2=A0 =C2=A0of the
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0requirements explicitly specified in Section 2 >=C2=A0 =C2=A0 =C2=A0of RFC
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A08355
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0<https://tools.ietf.org/html/rfc835= 5>. ____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A02.It provides a reasonable (from my POV)
>=C2=A0 =C2=A0 =C2=A0approach to
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0solution of this problem.____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0I also concur with Stewart=E2=80=99s comment abo= ut strong
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0similarity
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0between the approach taken in this draft for
>=C2=A0 =C2=A0 =C2=A0SR-MPLS and
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0generic work in progress on synonymous flow labe= ls
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 =C2=A0<https://tools.ietf.org/html/draft-ietf-mpls-sfl-framewo= rk-04>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0that has been already adopted as a MPLS WG
>=C2=A0 =C2=A0 =C2=A0item.=C2=A0 To
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0me this
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0is yet another indication that the draft should = be
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0adopted.____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0My 2c,____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0Sasha____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0Office: +972-39266302____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0Cell:=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +972-5492663= 02____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0Email: Alexander.Vainshtein@ecitele.com
>=C2=A0 =C2=A0 =C2=A0<mailto:Alexander.Vainshtein@ecitele.com>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:Alexander.Vainshtein= @ecitele.com
>=C2=A0 =C2=A0 =C2=A0<mailto:Alexander.Vainshtein@ecitele.com>><= br> >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0<mailto:Alexander.Vainshtein@ecitele.com
>=C2=A0 =C2=A0 =C2=A0<mailto:Alexander.Vainshtein@ecitele.com>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:Alexander.Vainshtein= @ecitele.com
>=C2=A0 =C2=A0 =C2=A0<mailto:Alexander.Vainshtein@ecitele.com>>&= gt;____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0-----Original Message-----
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0From: spring <spring-bounces@ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:spring-bounces@ietf.org>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:spring-bounces@ietf.org &= lt;mailto:spri= ng-bounces@ietf.org>>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0<mailto:spring-bounces@ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:spring-bounces@ietf.org>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:spring-bounces@ietf.org >=C2=A0 =C2=A0 =C2=A0<mailto:spring-bounces@ietf.org>>>> On Behalf = Of Stewart Bryant
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0Sent: Wednesday, February 13, 2019 12:48 PM
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0To: Loa Andersson <loa@pi..nu
>=C2=A0 =C2=A0 =C2=A0<mailto:loa@pi.nu <mailto:loa@pi.nu>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:loa@pi.nu <mailto:loa@pi.nu>>>>;
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 > spring@ietf.org <mailto:spring@ietf.org>
>=C2=A0 =C2=A0 =C2=A0<mailto:spring@ietf.org <mailto:spring@ietf.org>>
>=C2=A0 =C2=A0 =C2=A0<mailto:spring@ietf.org <mailto:spring@ietf.org>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:spring@ietf.org <mailto:spring@ietf.org>>&= gt;;
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 > draft-cheng-= spring-mpls-path-segment@ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:draft-cheng-spring-mpls-path-seg= ment@ietf.org>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:draft-c= heng-spring-mpls-path-segment@ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:draft-cheng-spring-mpls-path-seg= ment@ietf.org>>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0
>=C2=A0 =C2=A0 =C2=A0 =C2=A0<mailto:draft-cheng-spring-mpls-p= ath-segment@ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:draft-cheng-spring-mpls-path-seg= ment@ietf.org>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:draft-c= heng-spring-mpls-path-segment@ietf.org
>=C2=A0 =C2=A0 =C2=A0<mailto:draft-cheng-spring-mpls-path-seg= ment@ietf.org>>>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0Subject: Re: [spring] to progress
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-cheng-spring-mpls-path-segment____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0I have just read the draft and agree that it
>=C2=A0 =C2=A0 =C2=A0should be
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0adopted by the WG. It solves an important
>=C2=A0 =C2=A0 =C2=A0problem in
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0instrumenting and protecting an SR path.____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0It should be noted that we needed to do
>=C2=A0 =C2=A0 =C2=A0something very
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0similar in mainstream MPLS via the synonymous >=C2=A0 =C2=A0 =C2=A0label work
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0which is already adopted. ____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0However SL did not address the SR case.. We
>=C2=A0 =C2=A0 =C2=A0therefore
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0need
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0this path label work to be progressed.____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0- Stewart____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0On 10/02/2019 08:11, Loa Andersson wrote:____ >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0> Working Group,____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0> ____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0> I have reviewed
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0draft-cheng-spring-mpls-pa= th-segment and as far as I ____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0> can see, it is ready for wg adoption.____ >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0> ____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0> There were some comments in Bangkok, but du= e
>=C2=A0 =C2=A0 =C2=A0to the
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0many collisions ____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0> between working groups at that meeting I >=C2=A0 =C2=A0 =C2=A0couldn't
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0attend the SPRING ____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0> f2f.____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0> ____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0> The minutes are not clear, but as far as I<= br> >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0understand, there is ____<= br> >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0> nothing that can't be resolved in the w= g
>=C2=A0 =C2=A0 =C2=A0process.____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0> ____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0> /Loa____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0
>=C2=A0 =C2=A0 =C2=A0 =C2=A0____________________________________________= _______
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0spring mailing list____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 > spring@ietf.org <mailto:spring@ietf.org>
>=C2=A0 =C2=A0 =C2=A0<mailto:spring@ietf.org <mailto:spring@ietf.org>>
>=C2=A0 =C2=A0 =C2=A0<mailto:spring@ietf.org <mailto:spring@ietf.org>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:spring@ietf.org <mailto:spring@ietf.org>>&= gt;____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 > https://www..ietf.org/mailman/listinfo/spring____
>=C2=A0 =C2=A0 =C2=A0<http://ietf.org/mailman/listi= nfo/spring____>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<http= ://ietf.org/mailman/listinfo/spring____>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0
>=C2=A0 =C2=A0 =C2=A0 =C2=A0____________________________________________= _______________________________
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0This e-mail message is intended for the recipien= t
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0only and
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0contains information which is
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0CONFIDENTIAL and which may be proprietary to ECI=
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0Telecom. If
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0you have received this
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0transmission in error, please inform us by e-mai= l,
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0phone or
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0fax, and then delete the original
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0and all copies thereof.
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0
>=C2=A0 =C2=A0 =C2=A0 =C2=A0____________________________________________= ___________________________________
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0_______________________________________________<= br> >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0spring mailing list
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 > spring@ietf.org <mailto:spring@ietf.org>
>=C2=A0 =C2=A0 =C2=A0<mailto:spring@ietf.org <mailto:spring@ietf.org>>
>=C2=A0 =C2=A0 =C2=A0<mailto:spring@ietf.org <mailto:spring@ietf.org>
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0<mailto:spring@ietf.org <mailto:spring@ietf.org>>&= gt;
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 > https://www.ietf.org/mailman/listinfo/spring____
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0_= ______________________________________________
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0s= pring mailing list
>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0 > spring@ietf.org <mailto:spring@ietf.org>
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>=C2=A0 =C2=A0 =C2=A0<mailto:spring@ietf.org <mailto:spring@ietf.org>
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>=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0 =C2=A0Loa Andersson=C2=A0 =C2=A0= =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 emai= l: loa@pi.nu
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>=C2=A0 =C2=A0 =C2=A0Loa Andersson=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 email: loa@pi.nu <mailto:loa@pi.nu>
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Loa Andersson=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0= =C2=A0 =C2=A0 =C2=A0 email: loa@pi.nu
Senior MPLS Expert
Bronze Dragon Consulting=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0pho= ne: +46 739 81 21 64
--000000000000e378140582920a57-- From nobody Sun Feb 24 18:32:59 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7FDCA130E98; Sun, 24 Feb 2019 18:32:52 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.7 X-Spam-Level: X-Spam-Status: No, score=-1.7 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, URIBL_DBL_SPAM=2.5] autolearn=no autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OcYn-NgsJcB6; Sun, 24 Feb 2019 18:32:49 -0800 (PST) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 0E452128BCC; Sun, 24 Feb 2019 18:32:49 -0800 (PST) Received: from lhreml704-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id 7B3435978DEFE0CF7E90; Mon, 25 Feb 2019 02:32:46 +0000 (GMT) Received: from DGGEML405-HUB.china.huawei.com (10.3.17.49) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.408.0; Mon, 25 Feb 2019 02:32:45 +0000 Received: from DGGEML529-MBX.china.huawei.com ([169.254.6.187]) by dggeml405-hub.china.huawei.com ([10.3.17.49]) with mapi id 14.03.0415.000; Mon, 25 Feb 2019 10:32:42 +0800 From: "Chengli (Cheng Li)" To: Loa Andersson , Greg Mirsky CC: "mpls@ietf.org" , spring , Weiqiang Cheng , "draft-cheng-spring-mpls-path-segment@ietf.org" Thread-Topic: [mpls] [spring] to progress draft-cheng-spring-mpls-path-segment Thread-Index: AQHUyzC/3+4K0aHNrUy+2rVERdsXgKXsg4cAgANJb0A= Date: Mon, 25 Feb 2019 02:32:41 +0000 Message-ID: References: <0980ce7c-047c-519f-e7d5-98d32b498482@pi.nu> <9419b7d7-87ef-151f-5ed8-b0f78c6e83af@gmail.com> <050301d4c590$445f5d50$cd1e17f0$@com> <9d7a2690-6ef4-438a-6ca8-0548ad2aca0e@pi.nu> <13cb42a8-e298-c3cc-d116-219f144f5357@pi.nu> <886d0aeb-281e-984a-9c9d-645101d4d02b@pi.nu> In-Reply-To: <886d0aeb-281e-984a-9c9d-645101d4d02b@pi.nu> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.130.185.75] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [spring] [mpls] to progress draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Feb 2019 02:32:52 -0000 SGkgTG9hIGFuZCBHcmVnLA0KDQpZZXMsIHlvdSBhcmUgcmlnaHQuDQoNClRoZSAiQi0+QyBTdWJQ 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X19fX19fX19fX19fX19fX18NCm1wbHMgbWFpbGluZyBsaXN0DQptcGxzQGlldGYub3JnDQpodHRw czovL3d3dy5pZXRmLm9yZy9tYWlsbWFuL2xpc3RpbmZvL21wbHMNCg== From nobody Sun Feb 24 20:10:08 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6BE9A130ED1; Sun, 24 Feb 2019 20:10:06 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.2 X-Spam-Level: X-Spam-Status: No, score=-4.2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yt2Cmm0XErMz; Sun, 24 Feb 2019 20:10:05 -0800 (PST) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id EA56712F1A6; Sun, 24 Feb 2019 20:09:58 -0800 (PST) Received: from lhreml704-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id D2EF69DC7200B527D423; Mon, 25 Feb 2019 04:09:56 +0000 (GMT) Received: from SJCEML701-CHM.china.huawei.com (10.208.112.40) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.408.0; Mon, 25 Feb 2019 04:09:56 +0000 Received: from SJCEML521-MBS.china.huawei.com ([169.254.2.241]) by SJCEML701-CHM.china.huawei.com ([169.254.3.242]) with mapi id 14.03.0415.000; Sun, 24 Feb 2019 20:09:54 -0800 From: Linda Dunbar To: "bruno.decraene@orange.com" , "spring-chairs@ietf.org" CC: SPRING WG , "draft-cheng-spring-mpls-path-segment@ietf.org" Thread-Topic: Working Group Adoption Call for draft-cheng-spring-mpls-path-segment Thread-Index: AdTI+VwBMu6dHjj5R16L6pB8JMM1mgB4tqwAACDuLwAAV/6AAA== Date: Mon, 25 Feb 2019 04:09:53 +0000 Message-ID: <4A95BA014132FF49AE685FAB4B9F17F66B2C4BD6@sjceml521-mbs.china.huawei.com> References: <17750_1550653296_5C6D1770_17750_413_1_53C29892C857584299CBF5D05346208A489DDD1A@OPEXCAUBM43.corporate.adroot.infra.ftgroup> <5A5B4DE12C0DAC44AF501CD9A2B01A8D8F54B460@DGGEMM532-MBX.china.huawei.com> In-Reply-To: <5A5B4DE12C0DAC44AF501CD9A2B01A8D8F54B460@DGGEMM532-MBX.china.huawei.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.47.122.176] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [spring] Working Group Adoption Call for draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Feb 2019 04:10:06 -0000 Support,=20 Linda Dunbar On 2019-02-20, 4:01 AM, "bruno.decraene@orange.com" wrote: Hi SPRING WG, =20 This email initiates a two week call for working group adoption for dra= ft-cheng-spring-mpls-path-segment. =20 Please indicate your support, comments, or objection, for adopting this= draft as a working group item by March 6th 2019. We are particularly interested in hearing from working group members th= at are not co-authors of this draft. We are also looking for volunteers who would be ready to perform a tech= nical review of this work at some later stage, such as before or during WG = the last call. =20 Additionally, there are currently 7 authors listed on this document. Pl= ease trim this to <=3D 5 front-page authors, utilising a "Contributors" sec= tion if required for the others. An approach to achieving this would be to = list ~2 editors as the front-page authors. =20 In parallel to this adoption call, I will send an IPR call for this doc= ument. We will need all authors and contributors to confirm their IPR posit= ion on this document. =20 (1) https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segment =20 Thanks, --Bruno & Rob. =20 =20 _______________________________________________________________________= __________________________________________________ =20 Ce message et ses pieces jointes peuvent contenir des informations conf= identielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez = recu ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les message= s electroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme= ou falsifie. Merci. =20 This message and its attachments may contain confidential or privileged= information that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and = delete this message and its attachments. As emails may be altered, Orange is not liable for messages that have b= een modified, changed or falsified. Thank you. =20 =20 _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring From nobody Mon Feb 25 01:13:09 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B2E0B129441 for ; Mon, 25 Feb 2019 01:13:07 -0800 (PST) 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, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=previdi-net.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ISDoNOhHU1mH for ; Mon, 25 Feb 2019 01:13:06 -0800 (PST) Received: from mail-wm1-x32f.google.com (mail-wm1-x32f.google.com [IPv6:2a00:1450:4864:20::32f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 908EC12D4E8 for ; Mon, 25 Feb 2019 01:13:03 -0800 (PST) Received: by mail-wm1-x32f.google.com with SMTP id j125so7267640wmj.1 for ; Mon, 25 Feb 2019 01:13:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=previdi-net.20150623.gappssmtp.com; s=20150623; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=dN48nC7TgnfrHmZo+IeXZjHaxpm9SAAA6aU3uODq/Rk=; b=HRSoSDGMRzAN1n7WkxEma8lHLkYqHIC7xn3v6206PVfIolG8gv21J6bgrYg8Vm6GpS sY7NLxKeWL5RmTJakU8RRWOPrw+0ug2zr/gPEmlBJLxxLSt5D+erddCaWMpMetTcbkma 6k0nGCfZIS7Xn0kuvm36bU0eWRq2P/4ZS0x2thEGic3qmxp2U8aobINGw7qzDitsx0ai FFEOeN74VISsTikuQ8dvBN3G39vLX2UEeGVfqZPZMYwor1jtcK7D2WO0q83/pjb+M7y8 JFWtmje18pBP4tZ6hUIoc9QSjoHn88E//PlCczjRGnT+PgSQu5FYoV2oER0jfEKm2s0n qxqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=dN48nC7TgnfrHmZo+IeXZjHaxpm9SAAA6aU3uODq/Rk=; b=m3s65FdaupJLAqnXQ2La3Ln3D788poNCL2vF3w9qjJgchjRrdYb7KdWIFuu3uTM/jP dmhDrNTtU1W+hk8IaBfY/DJeFFHudzR+dwF04EwiDGFW2/tunSeohOQQ7rHeBSxBS+ZR 5pj24JKdPHjA97ZC1/Ot45RqlH8hLeDy4YMSwfPLhsWAlC61h9p+K3tKkNspyqUdCI5T M98A7APW/kwHdyGDczW/sJkVhM6l8rk/iAG2mq3nyL8SX6ENJ8s2z9zHlqQNebNtaqwm Bgkizkm9yRjb42qgQY1racdPAhLAHshNqvWg5RhkiQk2OB2ZF4nyXqFnCtIAuJlmMZSH KY2A== X-Gm-Message-State: AHQUAubtUp3ttFHUdPkuku1VEgEKgO5zmOiedQ5k5oxT1da6VP98kpGF yAuhNkntFcELdwY94J56eqphC0R9zzU= X-Google-Smtp-Source: AHgI3IaapvL9lBODrUYH0aRGx+eT6gE9ZmpGFQPtiURcWXUaLEqtY0DLZa4D4wWgh5vqo/9eNQtcbQ== X-Received: by 2002:a1c:5546:: with SMTP id j67mr9423134wmb.95.1551085981815; Mon, 25 Feb 2019 01:13:01 -0800 (PST) Received: from [192.168.0.124] (host167-112-static.11-79-b.business.telecomitalia.it. [79.11.112.167]) by smtp.gmail.com with ESMTPSA id y5sm8997628wmg.31.2019.02.25.01.13.00 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 25 Feb 2019 01:13:01 -0800 (PST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: stefano previdi In-Reply-To: <31462_1550653415_5C6D17E7_31462_208_1_53C29892C857584299CBF5D05346208A489DDD8F@OPEXCAUBM43.corporate.adroot.infra.ftgroup> Date: Mon, 25 Feb 2019 10:13:24 +0100 Cc: SPRING WG , "draft-cheng-spring-mpls-path-segment@ietf.org" Content-Transfer-Encoding: quoted-printable Message-Id: <30594FA3-86A8-4350-83D3-52EEAEDF31A3@previdi.net> References: <31462_1550653415_5C6D17E7_31462_208_1_53C29892C857584299CBF5D05346208A489DDD8F@OPEXCAUBM43.corporate.adroot.infra.ftgroup> To: Bruno Decraene X-Mailer: Apple Mail (2.2104) Archived-At: Subject: Re: [spring] Working Group Adoption Call for draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Feb 2019 09:13:08 -0000 I support the adoption of this draft as WG item. Thanks. s. > On Feb 20, 2019, at 10:03 AM, bruno.decraene@orange.com wrote: >=20 > Hi SPRING WG, >=20 > This email initiates a two week call for working group adoption for = draft-cheng-spring-mpls-path-segment. >=20 > Please indicate your support, comments, or objection, for adopting = this draft as a working group item by March 6th 2019. > We are particularly interested in hearing from working group members = that are not co-authors of this draft. > We are also looking for volunteers who would be ready to perform a = technical review of this work at some later stage, such as before or = during WG the last call. >=20 > Additionally, there are currently 7 authors listed on this document. = Please trim this to <=3D 5 front-page authors, utilising a = "Contributors" section if required for the others. An approach to = achieving this would be to list ~2 editors as the front-page authors. >=20 > In parallel to this adoption call, I will send an IPR call for this = document. We will need all authors and contributors to confirm their IPR = position on this document. >=20 > (1) https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segment >=20 > Thanks, > --Bruno & Rob. >=20 >=20 > = __________________________________________________________________________= _______________________________________________ >=20 > Ce message et ses pieces jointes peuvent contenir des informations = confidentielles ou privilegiees et ne doivent donc > pas etre diffuses, exploites ou copies sans autorisation. Si vous avez = recu ce message par erreur, veuillez le signaler > a l'expediteur et le detruire ainsi que les pieces jointes. Les = messages electroniques etant susceptibles d'alteration, > Orange decline toute responsabilite si ce message a ete altere, = deforme ou falsifie. Merci. >=20 > This message and its attachments may contain confidential or = privileged information that may be protected by law; > they should not be distributed, used or copied without authorisation. > If you have received this email in error, please notify the sender and = delete this message and its attachments. > As emails may be altered, Orange is not liable for messages that have = been modified, changed or falsified. > Thank you. >=20 > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring From nobody Mon Feb 25 01:25:29 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 369551292F1; Mon, 25 Feb 2019 01:25:28 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.019 X-Spam-Level: X-Spam-Status: No, score=-1.019 tagged_above=-999 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DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yJgjhaoLE-O3 for ; Mon, 25 Feb 2019 04:24:58 -0800 (PST) Received: from mail-wr1-x434.google.com (mail-wr1-x434.google.com [IPv6:2a00:1450:4864:20::434]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 980EB1271FF for ; Mon, 25 Feb 2019 04:24:57 -0800 (PST) Received: by mail-wr1-x434.google.com with SMTP id l5so9694528wrw.6 for ; Mon, 25 Feb 2019 04:24:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent 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In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-GB Archived-At: Subject: Re: [spring] draft-gandhi-spring-rfc6374-srpm-mpls return path X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Feb 2019 12:25:00 -0000 Hi Rakesh Yes, that reference would be useful. - Stewart On 22/02/2019 22:37, Rakesh Gandhi (rgandhi) wrote: > Hi Stewart, > > Thanks for your comments. > > There is a companion draft where this TLV is defined. We can add reference/text to indicate this. > https://tools.ietf.org/html/draft-gandhi-spring-rfc6374-srpm-udp-00#section-3.2.3.1 > > Hope this answers your question. > > Thanks, > Rakesh > > > On 2019-02-14, 9:43 AM, "spring on behalf of Stewart Bryant" wrote: > > > I am not quite sure what it means to do a two way path measurement in > MPLS SR since MPLS SR defines a per packet unidirectional path. However, > assuming that this makes sense, I don't see how the return path > information is carried in the RFC6374 message. The draft does not ask > IANA for any new types. Now it has been a long time since we wrote > RFC6374, but I don't remember the design having the capability you require. > > Please could clarify how the return path operates in an MPLS SR environment? > > Best Regards > > - Stewart > > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring > > From nobody Mon Feb 25 08:24:21 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0B7AE130F16; Mon, 25 Feb 2019 08:24:20 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.498 X-Spam-Level: X-Spam-Status: No, score=-0.498 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_SORBS_WEB=1.5, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Btvc0zQWEbd0; Mon, 25 Feb 2019 08:24:18 -0800 (PST) Received: from mail-oi1-x230.google.com (mail-oi1-x230.google.com [IPv6:2607:f8b0:4864:20::230]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C93D2130EF9; Mon, 25 Feb 2019 08:24:17 -0800 (PST) Received: by mail-oi1-x230.google.com with SMTP id e7so7713868oia.8; Mon, 25 Feb 2019 08:24:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:message-id:in-reply-to:references:subject :mime-version; bh=l9et5B4mVtQPFhVmMju8cRuvxq5SN6x2DiXmOfu9CFY=; b=Xzas//nhQf7Wc3D0wwdWYCcSjoJPsbhJbI1Su+P66G6eCIePRLWbfC7SYH/QFWEoze Jvc7LJKxSfzgYddOlaBism4l80LnhBMDE0R/+mQ3h+2qyg3hv5jzJFKJQ+1Hhz6q49kl up4LsbRWUcTPpGWMRda9nIx+Zc59gaN6LLGDSvdf3uAgxJwejrP1bdWBW0Gb455OsLpp lhrWFm2Md+5Iii8eJRbyILc+ljpsPg7kxib87K007cC4hF9nkOVWPRnFmyAFJaIv1NlE 0aHYLs4+fcPuv2EkJxyYzublUC6PctTq7wDfayx1fjd1Vl1dezhrINlKZvOuJUXiS+67 FrxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:message-id:in-reply-to :references:subject:mime-version; bh=l9et5B4mVtQPFhVmMju8cRuvxq5SN6x2DiXmOfu9CFY=; b=mGVHnxtK6nc6iHJDfbYX+nDVgskcp4lIJS8aFOgwk1DhhVmY8FNxfIp02eZfr51dQE FbDSKeT2PJfOhh6CHlCLuZ3rrNuPD55CQSQk2j1gmcI2M/t4RxTTf07TtkMOuJDY3F21 RgqmHLJHNhM9HbjRx04/YzZc7TyzD0rol3p7eZ0Qiqx3CFwhSOIBhJ7fk8GM9sv46zuf SBJJjNprFrQ5TxpqmVltLncx6skk3rfTiVKaAk0YM01660QSOJbyU44LKR7g2J7VLTvL 3XF9/JvYyjBGXW+tE3GomO3dpa0Hg4sysQK9l44zkDIZb2p9CzTVTUZ2RjvehCZyNrWG iiQw== X-Gm-Message-State: AHQUAuafdYiy2KroHuCYgxRrE/Th7ODhmnb9+tfveK/6bs8ukWdUAXTC Ud+jjxzYAhdJyfMz9oOTl5Q= X-Google-Smtp-Source: AHgI3IYNvDhT7CgerL2JGc1xMC8pgxsnu6Pm6F/fap2JcJKCptNF2PJAC5cadYBpbHglFtPCmyY7KA== X-Received: by 2002:aca:3389:: with SMTP id z131mr2002851oiz.173.1551111856972; Mon, 25 Feb 2019 08:24:16 -0800 (PST) Received: from [10.155.108.42] ([198.24.6.219]) by smtp.gmail.com with ESMTPSA id b7sm1283485oti.71.2019.02.25.08.24.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 25 Feb 2019 08:24:16 -0800 (PST) Date: Mon, 25 Feb 2019 08:24:09 -0800 From: Jeff Tantsura To: bruno.decraene@orange.com Cc: spring@ietf.org, draft-cheng-spring-mpls-path-segment@ietf.org Message-ID: <834386ed-31d4-4096-813d-0949ff9aff9e@Spark> In-Reply-To: <88874ced-542d-4700-a4de-2672f092ccf6@Spark> References: <201902221609398949283@zte.com.cn> <88874ced-542d-4700-a4de-2672f092ccf6@Spark> X-Readdle-Message-ID: 834386ed-31d4-4096-813d-0949ff9aff9e@Spark MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="5c7416ae_4210d41e_4ada" Archived-At: Subject: Re: [spring] IPR Poll for draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Feb 2019 16:24:20 -0000 --5c7416ae_4210d41e_4ada Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Bruno, Quick update - E/// IPR folks have responded and looking into this. Cheers, Jeff On =46eb 22, 2019, 3:49 PM -0800, Jeff Tantsura , wrote: > Bruno, > > Please let me reach out to E/// IPR department (BCCed). > I=E2=80=99ll let them comment. > > Thanks > > Cheers, > Jeff > > > =E5=8E=9F=E5=A7=8B=E9=82=AE=E4=BB=B6 > > =E5=8F=91=E4=BB=B6=E4=BA=BA=EF=BC=9Abruno.decraene=40orange.com > > =E6=94=B6=E4=BB=B6=E4=BA=BA=EF=BC=9ASPRING WG ;Jef= f Tantsura ;draft-cheng-spring-mpls-path-segme= nt=40ietf.org ; > > =E6=97=A5 =E6=9C=9F =EF=BC=9A2019=E5=B9=B402=E6=9C=8820=E6=97=A5 17:0= 2 > > =E4=B8=BB =E9=A2=98 =EF=BC=9AIPR Poll for draft-cheng-spring-mpls-pat= h-segment > > Hi=C2=A0Jeff,=C2=A0authors,=C2=A0SPRING=C2=A0WG, > > > > In=C2=A0parallel=C2=A0to=C2=A0the=C2=A0call=C2=A0for=C2=A0adoption=C2= =A0for=C2=A0draft-cheng-spring-mpls-path-segment=C2=A0(1),=C2=A0we=C2=A0w= ould=C2=A0like=C2=A0to=C2=A0poll=C2=A0for=C2=A0IPR. > > > > If=C2=A0you=C2=A0are=C2=A0aware=C2=A0of=C2=A0IPR=C2=A0that=C2=A0appli= es=C2=A0to=C2=A0draft-cheng-spring-mpls-path-segment=C2=A0please=C2=A0res= pond=C2=A0to=C2=A0this=C2=A0email. > > If=C2=A0you=C2=A0are=C2=A0aware=C2=A0of=C2=A0IPR,=C2=A0please=C2=A0in= dicate=C2=A0whether=C2=A0it=C2=A0has=C2=A0been=C2=A0disclosed=C2=A0in=C2=A0= accordance=C2=A0with=C2=A0IET=46=C2=A0IPR=C2=A0rules=C2=A0(R=46Cs=C2=A039= 79,=C2=A04879,=C2=A03669=C2=A0and=C2=A05378=C2=A0provide=C2=A0more=C2=A0d= etails). > > > > If=C2=A0you=C2=A0are=C2=A0an=C2=A0*author=C2=A0or=C2=A0contributor*=C2= =A0please=C2=A0respond=C2=A0to=C2=A0this=C2=A0email=C2=A0regardless=C2=A0= of=C2=A0whether=C2=A0or=C2=A0not=C2=A0you're=C2=A0aware=C2=A0of=C2=A0any=C2= =A0IPR. > > If=C2=A0you=C2=A0are=C2=A0not=C2=A0an=C2=A0author=C2=A0or=C2=A0contri= butor,=C2=A0please=C2=A0explicitly=C2=A0respond=C2=A0only=C2=A0if=C2=A0yo= u=C2=A0are=C2=A0aware=C2=A0of=C2=A0IPR=C2=A0that=C2=A0has=C2=A0not=C2=A0y= et=C2=A0been=C2=A0disclosed. > > > > During=C2=A0IET=46=C2=A0103,=C2=A0Jeff=C2=A0said=C2=A0that=C2=A0Erics= son=C2=A0owns=C2=A0an=C2=A0IPR=C2=A0on=C2=A0this.=C2=A0Jeff,=C2=A0do=C2=A0= you=C2=A0want=C2=A0to=C2=A0provide=C2=A0more=C2=A0details=C2=A0on=C2=A0th= is=3F=C2=A0Do=C2=A0you=C2=A0want=C2=A0to=C2=A0fill=C2=A0a=C2=A0third=C2=A0= party=C2=A0IPR=C2=A0disclosure=3F > > > > This=C2=A0document=C2=A0will=C2=A0not=C2=A0advance=C2=A0into=C2=A0the= =C2=A0working=C2=A0group=C2=A0until=C2=A0IPR=C2=A0confirmations=C2=A0have= =C2=A0been=C2=A0received=C2=A0from=C2=A0all=C2=A0authors=C2=A0and=C2=A0co= ntributors. > > > > Thanks, > > > > (1)=C2=A0https://tools.ietf.org/html/draft-cheng-spring-mpls-path-seg= ment > > > > --Bruno=C2=A0&=C2=A0Rob. > > > > > > =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F > > > > Ce=C2=A0message=C2=A0et=C2=A0ses=C2=A0pieces=C2=A0jointes=C2=A0peuven= t=C2=A0contenir=C2=A0des=C2=A0informations=C2=A0confidentielles=C2=A0ou=C2= =A0privilegiees=C2=A0et=C2=A0ne=C2=A0doivent=C2=A0donc > > pas=C2=A0etre=C2=A0diffuses,=C2=A0exploites=C2=A0ou=C2=A0copies=C2=A0= sans=C2=A0autorisation.=C2=A0Si=C2=A0vous=C2=A0avez=C2=A0recu=C2=A0ce=C2=A0= message=C2=A0par=C2=A0erreur,=C2=A0veuillez=C2=A0le=C2=A0signaler > > a=C2=A0l'expediteur=C2=A0et=C2=A0le=C2=A0detruire=C2=A0ainsi=C2=A0que= =C2=A0les=C2=A0pieces=C2=A0jointes.=C2=A0Les=C2=A0messages=C2=A0electroni= ques=C2=A0etant=C2=A0susceptibles=C2=A0d'alteration, > > Orange=C2=A0decline=C2=A0toute=C2=A0responsabilite=C2=A0si=C2=A0ce=C2= =A0message=C2=A0a=C2=A0ete=C2=A0altere,=C2=A0deforme=C2=A0ou=C2=A0falsifi= e.=C2=A0Merci. > > > > This=C2=A0message=C2=A0and=C2=A0its=C2=A0attachments=C2=A0may=C2=A0co= ntain=C2=A0confidential=C2=A0or=C2=A0privileged=C2=A0information=C2=A0tha= t=C2=A0may=C2=A0be=C2=A0protected=C2=A0by=C2=A0law; > > they=C2=A0should=C2=A0not=C2=A0be=C2=A0distributed,=C2=A0used=C2=A0or= =C2=A0copied=C2=A0without=C2=A0authorisation. > > If=C2=A0you=C2=A0have=C2=A0received=C2=A0this=C2=A0email=C2=A0in=C2=A0= error,=C2=A0please=C2=A0notify=C2=A0the=C2=A0sender=C2=A0and=C2=A0delete=C2= =A0this=C2=A0message=C2=A0and=C2=A0its=C2=A0attachments. > > As=C2=A0emails=C2=A0may=C2=A0be=C2=A0altered,=C2=A0Orange=C2=A0is=C2=A0= not=C2=A0liable=C2=A0for=C2=A0messages=C2=A0that=C2=A0have=C2=A0been=C2=A0= modified,=C2=A0changed=C2=A0or=C2=A0falsified. > > Thank=C2=A0you. > > --5c7416ae_4210d41e_4ada Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline
Bruno,

Quick update - E/// IPR folks have responded and looking into this.<= /div>

Cheers,
Jeff
On =46eb 22, 20= 19, 3:49 PM -0800, Jeff Tantsura <jefftant.ietf=40gmail.com>, wrote= :
Bruno,

Please let me reach out to E/// IPR department (BCCed).
I=E2=80=99ll let them comment.

Thanks

Cheers,
Jeff

=E5=8E=9F=E5=A7=8B=E9= =82=AE=E4=BB=B6
=E5=8F=91=E4=BB=B6=E4= =BA=BA=EF=BC=9Abruno.decraene=40= orange.com <bruno.decraene=40orange.com>
=E6=94=B6=E4=BB=B6=E4=BA=BA= =EF=BC=9ASPRING WG <spring=40ietf.org>;Jeff Tantsura <jefftant.i= etf=40gmail.com>;draft-cheng-spring-mpls-path-segment=40ietf.org <dr= aft-cheng-spring-mpls-path-segment=40ietf.org>;
=E6=97=A5 =E6=9C=9F =EF= =BC=9A2019=E5=B9=B402=E6=9C=8820=E6=97=A5 1= 7:02
=E4=B8=BB =E9=A2=98 = =EF=BC=9AIPR Poll for dra= ft-cheng-spring-mpls-path-segment
Hi&=23160;Jeff,&=23160;authors,&=23160;SPRING&=23160;WG,

In&=23160;parallel&=23160;to&=23160;the&=23160;call&=23160;for&=23160;ado= ption&=23160;for&=23160;draft-cheng-spring-mpls-path-segment&=23160;(1),&= =23160;we&=23160;would&=23160;like&=23160;to&=23160;poll&=23160;for&=2316= 0;IPR.

If&=23160;you&=23160;are&=23160;aware&=23160;of&=23160;IPR&=23160;that&=23= 160;applies&=23160;to&=23160;draft-cheng-spring-mpls-path-segment&=23160;= please&=23160;respond&=23160;to&=23160;this&=23160;email.
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If&=23160;you&=23160;are&=23160;an&=23160;*author&=23160;or&=23160;contri= butor*&=23160;please&=23160;respond&=23160;to&=23160;this&=23160;email&=23= 160;regardless&=23160;of&=23160;whether&=23160;or&=23160;not&=23160;you'r= e&=23160;aware&=23160;of&=23160;any&=23160;IPR.
If&=23160;you&=23160;are&=23160;not&=23160;an&=23160;author&=23160;or&=23= 160;contributor,&=23160;please&=23160;explicitly&=23160;respond&=23160;on= ly&=23160;if&=23160;you&=23160;are&=23160;aware&=23160;of&=23160;IPR&=231= 60;that&=23160;has&=23160;not&=23160;yet&=23160;been&=23160;disclosed.
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Thanks,

(1)&=23160;https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segme= nt

--Bruno&=23160;&&=23160;Rob.


=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F

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As&=23160;emails&=23160;may&=23160;be&=23160;altered,&=23160;Orange&=2316= 0;is&=23160;not&=23160;liable&=23160;for&=23160;messages&=23160;that&=231= 60;have&=23160;been&=23160;modified,&=23160;changed&=23160;or&=23160;fals= ified.
Thank&=23160;you.


--5c7416ae_4210d41e_4ada-- From nobody Mon Feb 25 08:51:03 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8D481130F1F; Mon, 25 Feb 2019 08:51:01 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.498 X-Spam-Level: X-Spam-Status: No, score=-0.498 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_SORBS_WEB=1.5, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 6dFuGqrDnWb0; Mon, 25 Feb 2019 08:50:59 -0800 (PST) Received: from mail-ot1-x32b.google.com (mail-ot1-x32b.google.com [IPv6:2607:f8b0:4864:20::32b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 452BC129524; Mon, 25 Feb 2019 08:50:59 -0800 (PST) Received: by mail-ot1-x32b.google.com with SMTP id g1so8383395otj.11; Mon, 25 Feb 2019 08:50:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:message-id:in-reply-to:references:subject :mime-version; bh=6dG2F7sRp+PiqAhfBLa37TNT/BucdHHUTaq4WNv+A8I=; b=Ur5d0hVJtXuNp17OzXmJ1zpu+fS/p4GyLUbE0lKG+pWDIv8VdzX/QZmtG2SpR/iNKN wVTX+aKKUUE5Lonc5TRDzvYUGCRgDHctXnipvSOAsAjoSbbMv1hMuT3n5pcAfg0vSE1b 4qGRh6E4ZNtk6tOKHWM2kSupQCwXfrr6Ru8/tU2F/roDHYbd5irggDMmAzg3k65Iae92 ub9KDjc5c9yfPfEh7F3nQ2PnpOB/4L0gQyctR7G8KVYn3wjkBeNEdSCuC1ZEZupcsdZm mBj/Db/QrHkYwtXPKi5IuiGTWwd9Stip9ZYEyI1vDUMcHOAtGTVPQ6FLjjkv+4VVzxz7 9b8A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:message-id:in-reply-to :references:subject:mime-version; bh=6dG2F7sRp+PiqAhfBLa37TNT/BucdHHUTaq4WNv+A8I=; b=rRxIIYlF4h3/475+7XXQsm4iC/epR56ADL4qL5dlKbEinHJ42PCQUZis1bLD/W09/X zAq89wy/T6ZIlHP0KGwRpBmIapidlqbCkzMwG18vqfn860JjYLnkZehIl8DU4kNqWt02 Qq5VJqcJs3g345hmPXYCR0mv93B9q6+/Rg742/4l36iDNB/y/JpWkNMwotGLO2dyRopU yc+5e5zNycYf2L6YE+23iyno0TSOD+A9oS1j7/bltZyYNP3x8ourBDNsifWOltsA1VRJ Ie4FT4XooSc0bnYpnW2qXvlfwBFDlfvH0ThHXhqpcwFKaTOr1nkMIMD1L7reBFesoWzW Mw1A== X-Gm-Message-State: AHQUAuagVDRQk5RnO8sG6plqn7pGa4Ib1sEwyfoouayErn/vhc4/F1wV hUUUHLEtFdCmipLpLDjhr5WLFk3E X-Google-Smtp-Source: AHgI3IbHdN8bUtzaeaKi1MxARudQaLi4Eq+80Qj3b7p5xNGUBpRWKOFFJZmqZ9yGNRNN3lBNdppc9Q== X-Received: by 2002:a05:6830:134b:: with SMTP id r11mr12656272otq.213.1551113457957; Mon, 25 Feb 2019 08:50:57 -0800 (PST) Received: from [10.155.108.42] ([198.24.6.219]) by smtp.gmail.com with ESMTPSA id w17sm4528693otk.12.2019.02.25.08.50.56 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 25 Feb 2019 08:50:57 -0800 (PST) Date: Mon, 25 Feb 2019 08:50:50 -0800 From: Jeff Tantsura To: SPRING WG , bruno.decraene@orange.com Cc: "=?utf-8?Q?draft-cheng-spring-mpls-path-segment=40ietf.org?=" Message-ID: In-Reply-To: <31462_1550653415_5C6D17E7_31462_208_1_53C29892C857584299CBF5D05346208A489DDD8F@OPEXCAUBM43.corporate.adroot.infra.ftgroup> References: <31462_1550653415_5C6D17E7_31462_208_1_53C29892C857584299CBF5D05346208A489DDD8F@OPEXCAUBM43.corporate.adroot.infra.ftgroup> X-Readdle-Message-ID: cba91cb0-7873-4667-9ab3-585826429103@Spark MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="5c741cef_6a9126b5_4ada" Archived-At: Subject: Re: [spring] Working Group Adoption Call for draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Feb 2019 16:51:02 -0000 --5c741cef_6a9126b5_4ada Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Hi, The draft defines useful functionality however doesn=E2=80=99t talk about= implications wrt MSD (R=46C8491/8476) PSID is an additional label in the stack, it has implications to the MSD = signaling, PCE computation, what happens when egress expects PSID but ing= ress can=E2=80=99t impose one and similar cases. I support the adoption. Cheers, Jeff On =46eb 20, 2019, 1:03 AM -0800, bruno.decraene=40orange.com, wrote: > Hi SPRING WG, > > This email initiates a two week call for working group adoption for dra= ft-cheng-spring-mpls-path-segment. > > Please indicate your support, comments, or objection, for adopting this= draft as a working group item by March 6th 2019. > We are particularly interested in hearing from working group members th= at are not co-authors of this draft. > We are also looking for volunteers who would be ready to perform a tech= nical review of this work at some later stage, such as before or during W= G the last call. > > Additionally, there are currently 7 authors listed on this document. Pl= ease trim this to <=3D 5 front-page authors, utilising a =22Contributors=22= section if required for the others. An approach to achieving this would = be to list =7E2 editors as the front-page authors. > > In parallel to this adoption call, I will send an IPR call for this doc= ument. We will need all authors and contributors to confirm their IPR pos= ition on this document. > > (1) https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segment > > Thanks, > --Bruno & Rob. > > > =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F > > Ce message et ses pieces jointes peuvent contenir des informations conf= identielles ou privilegiees et ne doivent donc > pas etre diffuses, exploites ou copies sans autorisation. Si vous avez = recu ce message par erreur, veuillez le signaler > a l'expediteur et le detruire ainsi que les pieces jointes. Les message= s electroniques etant susceptibles d'alteration, > Orange decline toute responsabilite si ce message a ete altere, deforme= ou falsifie. Merci. > > This message and its attachments may contain confidential or privileged= information that may be protected by law; > they should not be distributed, used or copied without authorisation. > If you have received this email in error, please notify the sender and = delete this message and its attachments. > As emails may be altered, Orange is not liable for messages that have b= een modified, changed or falsified. > Thank you. > > =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F > spring mailing list > spring=40ietf.org > https://www.ietf.org/mailman/listinfo/spring --5c741cef_6a9126b5_4ada Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline
Hi,

The draft defines useful functionality however doesn=E2=80=99t talk = about implications wrt MSD (R=46C8491/8476)
PSID is an additional label in the stack, it has implications to the= MSD signaling, PCE computation, what happens when egress expects PSID bu= t ingress can=E2=80=99t impose one and similar cases.

I support the adoption.

Cheers,
Jeff
On =46eb 20, 20= 19, 1:03 AM -0800, bruno.decraene=40orange.com, wrote:
Hi SPRING WG,

This email initiates a two week call for working group adoption for draft= -cheng-spring-mpls-path-segment.

Please indicate your support, comments, or objection, for adopting this d= raft as a working group item by March 6th 2019.
We are particularly interested in hearing from working group members that= are not co-authors of this draft.
We are also looking for volunteers who would be ready to perform a techni= cal review of this work at some later stage, such as before or during WG = the last call.

Additionally, there are currently 7 authors listed on this document. Plea= se trim this to <=3D 5 front-page authors, utilising a =22Contributors= =22 section if required for the others. An approach to achieving this wou= ld be to list =7E2 editors as the front-page authors.

In parallel to this adoption call, I will send an IPR call for this docum= ent. We will need all authors and contributors to confirm their IPR posit= ion on this document.

(1) https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segment

Thanks,
--Bruno & Rob.


=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F

Ce message et ses pieces jointes peuvent contenir des informations confid= entielles ou privilegiees et ne doivent donc
pas etre diffuses, exploites ou copies sans autorisation. Si vous avez re= cu ce message par erreur, veuillez le signaler
a l'expediteur et le detruire ainsi que les pieces jointes. Les messages = electroniques etant susceptibles d'alteration,
Orange decline toute responsabilite si ce message a ete altere, deforme o= u falsifie. Merci.

This message and its attachments may contain confidential or privileged i= nformation that may be protected by law;
they should not be distributed, used or copied without authorisation.
If you have received this email in error, please notify the sender and de= lete this message and its attachments.
As emails may be altered, Orange is not liable for messages that have bee= n modified, changed or falsified.
Thank you.

=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F
spring mailing list
spring=40ietf.org
https://www.ietf.org/mailman/listinfo/spring
--5c741cef_6a9126b5_4ada-- From nobody Mon Feb 25 09:14:19 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D2BE6130F2B; Mon, 25 Feb 2019 09:14:18 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TTex7ZRUd3Sf; Mon, 25 Feb 2019 09:14:16 -0800 (PST) Received: from mail-lf1-x12b.google.com (mail-lf1-x12b.google.com [IPv6:2a00:1450:4864:20::12b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E08FD130F13; Mon, 25 Feb 2019 09:14:15 -0800 (PST) Received: by mail-lf1-x12b.google.com with SMTP id e27so7457300lfj.8; Mon, 25 Feb 2019 09:14:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Fa65ENJmYyxqZB/JElDzQccoYJv7YuTnbP4U5bgMKQY=; b=aKN1qI4C9sq4D6zF7O7uZi+W8ZPoRfCKCk5HlY36IvQ1DLrJQsN/Uu/Ud8Y5u9BLIp ChenaYwA92gapp9pGA3PuSZMnjNzrgCQc6JFzLFCH7rmB/NyOYRK8ZaOnbb5OmbzrwgT 9QVlQeCHhWQ5IKEfmWAfN/L1f+OLYKQ9rr3zmk2etsu/SMx8pIAtYxWQyy844ZdVA7Wh i8vl4NujDNV9uPKLidQhlQdBILbINHL4ge9hTPIrWXZVrWN6TnFzXFR77XTUy76nSt/f SFIV5mOyFm15SAvGmrpvVR7i9FuvnpwjOeDpXsyaxV9U4IrZ6Q4VvP4oWHeI9WVG1Sbe mTXg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Fa65ENJmYyxqZB/JElDzQccoYJv7YuTnbP4U5bgMKQY=; b=SaoitKB1UobxjGpsOQ1TqDViGlb8XHagBqlaaEDHosT4i2YL9U8s5qg6sO5zrTv8Gl BpfjI+uHzMh7xqIfDhJt1ruAncZwxpgCXfo2hhN8eMsevIRvr/ft1vHSdyCJTAX5x4z/ M8O3YNmqKKw1nmBCtdJqOaMxAXdLkGT7enSVxpnPstzc1Ap9JhaNqCNiLu9aYOooh7WD osBKD/K/AYSFf8VOjQpT3WCFwxQLM4OPtaBoZmo7vkm8rGFugXBRwOGnaIeDopKBSyGk EYbd6VXO2PTwWRWbwPan+bCalz3YO/bBsW2skq2E+01xQSKo50e2lhCU7Qe741bSonFu oIlQ== X-Gm-Message-State: AHQUAubrSldMtlUHI9TX+kA3/D69AeEC1WPTUUtBPVTImNFS4iYWsY/W JLcbxAUJLhu3QsneNhrR+qjWJWDaAS3toR/eHqM= X-Google-Smtp-Source: AHgI3IbgcqdfAXrPevYg2919s3rGGxL6fNipBbD5UJVIEtoktAjvae+sg/6vq/q7n8fXKdYkw/wV1DztuZgCGFg1CPg= X-Received: by 2002:ac2:5387:: with SMTP id g7mr2648993lfh.158.1551114853915; Mon, 25 Feb 2019 09:14:13 -0800 (PST) MIME-Version: 1.0 References: <31462_1550653415_5C6D17E7_31462_208_1_53C29892C857584299CBF5D05346208A489DDD8F@OPEXCAUBM43.corporate.adroot.infra.ftgroup> In-Reply-To: <31462_1550653415_5C6D17E7_31462_208_1_53C29892C857584299CBF5D05346208A489DDD8F@OPEXCAUBM43.corporate.adroot.infra.ftgroup> From: Greg Mirsky Date: Mon, 25 Feb 2019 09:14:04 -0800 Message-ID: To: Bruno Decraene Cc: SPRING WG , "draft-cheng-spring-mpls-path-segment@ietf.org" Content-Type: multipart/alternative; boundary="000000000000dfa2010582bb11f0" Archived-At: Subject: Re: [spring] Working Group Adoption Call for draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Feb 2019 17:14:19 -0000 --000000000000dfa2010582bb11f0 Content-Type: text/plain; charset="UTF-8" Hi Bruno, Authors, et al., I support the adoption of the document by SPRING WG. I've made comments to the draft and will share the text addressing them before the week's end. Regards, Greg On Wed, Feb 20, 2019 at 1:03 AM wrote: > Hi SPRING WG, > > This email initiates a two week call for working group adoption for > draft-cheng-spring-mpls-path-segment. > > Please indicate your support, comments, or objection, for adopting this > draft as a working group item by March 6th 2019. > We are particularly interested in hearing from working group members that > are not co-authors of this draft. > We are also looking for volunteers who would be ready to perform a > technical review of this work at some later stage, such as before or during > WG the last call. > > Additionally, there are currently 7 authors listed on this document. > Please trim this to <= 5 front-page authors, utilising a "Contributors" > section if required for the others. An approach to achieving this would be > to list ~2 editors as the front-page authors. > > In parallel to this adoption call, I will send an IPR call for this > document. We will need all authors and contributors to confirm their IPR > position on this document. > > (1) https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segment > > Thanks, > --Bruno & Rob. > > > > _________________________________________________________________________________________________________________________ > > Ce message et ses pieces jointes peuvent contenir des informations > confidentielles ou privilegiees et ne doivent donc > pas etre diffuses, exploites ou copies sans autorisation. Si vous avez > recu ce message par erreur, veuillez le signaler > a l'expediteur et le detruire ainsi que les pieces jointes. Les messages > electroniques etant susceptibles d'alteration, > Orange decline toute responsabilite si ce message a ete altere, deforme ou > falsifie. Merci. > > This message and its attachments may contain confidential or privileged > information that may be protected by law; > they should not be distributed, used or copied without authorisation. > If you have received this email in error, please notify the sender and > delete this message and its attachments. > As emails may be altered, Orange is not liable for messages that have been > modified, changed or falsified. > Thank you. > > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring > --000000000000dfa2010582bb11f0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Bruno, Authors, et al.,
I support the adoption of t= he document by SPRING WG.
I've made comments to the draft and= will share the text addressing them before the week's end.
<= br>
Regards,
Greg

On Wed, Feb 20, 2019 at 1:03 AM = <bruno.decraene@orange.com<= /a>> wrote:
H= i SPRING WG,

This email initiates a two week call for working group adoption for draft-c= heng-spring-mpls-path-segment.

Please indicate your support, comments, or objection, for adopting this dra= ft as a working group item by March 6th 2019.
We are particularly interested in hearing from working group members that a= re not co-authors of this draft.
We are also looking for volunteers who would be ready to perform a technica= l review of this work at some later stage, such as before or during WG the = last call.

Additionally, there are currently 7 authors listed on this document. Please= trim this to <=3D 5 front-page authors, utilising a "Contributors&= quot; section if required for the others. An approach to achieving this wou= ld be to list ~2 editors as the front-page authors.

In parallel to this adoption call, I will send an IPR call for this documen= t. We will need all authors and contributors to confirm their IPR position = on this document.

(1) https://tools.ietf.org/html/draf= t-cheng-spring-mpls-path-segment

Thanks,
--Bruno & Rob.


___________________________________________________________________________= ______________________________________________

Ce message et ses pieces jointes peuvent contenir des informations confiden= tielles ou privilegiees et ne doivent donc
pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu= ce message par erreur, veuillez le signaler
a l'expediteur et le detruire ainsi que les pieces jointes. Les message= s electroniques etant susceptibles d'alteration,
Orange decline toute responsabilite si ce message a ete altere, deforme ou = falsifie. Merci.

This message and its attachments may contain confidential or privileged inf= ormation that may be protected by law;
they should not be distributed, used or copied without authorisation.
If you have received this email in error, please notify the sender and dele= te this message and its attachments.
As emails may be altered, Orange is not liable for messages that have been = modified, changed or falsified.
Thank you.

_______________________________________________
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([10.1.199.40]) with mapi id 14.03.0415.000; Tue, 26 Feb 2019 10:50:21 +0800 From: Mach Chen To: Jeff Tantsura , SPRING WG , "bruno.decraene@orange.com" CC: "draft-cheng-spring-mpls-path-segment@ietf.org" Thread-Topic: [spring] Working Group Adoption Call for draft-cheng-spring-mpls-path-segment Thread-Index: AdTI+yX+eAAuLEf1QBG2rBcwZFgn7gD7A8MAACWTrUA= Date: Tue, 26 Feb 2019 02:50:20 +0000 Message-ID: References: <31462_1550653415_5C6D17E7_31462_208_1_53C29892C857584299CBF5D05346208A489DDD8F@OPEXCAUBM43.corporate.adroot.infra.ftgroup> In-Reply-To: Accept-Language: en-US, zh-CN Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.111.194.201] Content-Type: multipart/alternative; boundary="_000_F73A3CB31E8BE34FA1BBE3C8F0CB2AE2928A03C7dggeml510mbxchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [spring] Working Group Adoption Call for draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 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spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E2669129A87; Tue, 26 Feb 2019 13:20:40 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.6 X-Spam-Level: X-Spam-Status: No, score=-2.6 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id IEAg8iH-Fo5W; Tue, 26 Feb 2019 13:20:38 -0800 (PST) Received: from mta8.iomartmail.com (mta8.iomartmail.com [62.128.193.158]) (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 3204612941A; Tue, 26 Feb 2019 13:20:37 -0800 (PST) Received: from vs2.iomartmail.com (vs2.iomartmail.com [10.12.10.123]) by mta8.iomartmail.com (8.14.4/8.14.4) with ESMTP id x1QLKZ2k025884; Tue, 26 Feb 2019 21:20:35 GMT Received: from vs2.iomartmail.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D437A22048; Tue, 26 Feb 2019 21:20:34 +0000 (GMT) Received: from asmtp3.iomartmail.com (unknown [10.12.10.224]) by vs2.iomartmail.com (Postfix) with ESMTPS id BDF6322044; Tue, 26 Feb 2019 21:20:34 +0000 (GMT) Received: from LAPTOPK7AS653V ([87.112.237.8]) (authenticated bits=0) by asmtp3.iomartmail.com (8.14.4/8.14.4) with ESMTP id x1QLKXvQ012496 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 26 Feb 2019 21:20:34 GMT Reply-To: From: "Adrian Farrel" To: Cc: , , , , References: <155077450563.18620.1730285391843881930.idtracker@ietfa.amsl.com> In-Reply-To: <155077450563.18620.1730285391843881930.idtracker@ietfa.amsl.com> Date: Tue, 26 Feb 2019 21:20:33 -0000 Organization: Old Dog Consulting Message-ID: <049c01d4ce19$1c2fdcb0$548f9610$@olddog.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQIl8McoBmCu3zIhkRKnrIeWgTn296VQT9PA Content-Language: en-gb X-Originating-IP: 87.112.237.8 X-Thinkmail-Auth: adrian@olddog.co.uk X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSVA-9.0.0.1623-8.2.0.1013-24458.002 X-TM-AS-Result: No--21.223-10.0-31-10 X-imss-scan-details: No--21.223-10.0-31-10 X-TMASE-Version: IMSVA-9.0.0.1623-8.2.1013-24458.002 X-TMASE-Result: 10--21.222600-10.000000 X-TMASE-MatchedRID: byfwvk+IcRlfsB4HYR80ZggKAWhuC2ojCckvlPjoBZHaOIP2b6ZfX9Uw yrj5CivylYaDjRRlRsQTDTW0RVjUhQt3e7z0WipRVo6mn+xXmdVzijlDBYeD/C62hjZS0WoY3KM e8lBDqRRixc3cIvScSXAnBeD5DmE6+dVjQNaxOrcXrP0cYcrA28yZqgcnwGktWP9qYuzytBLEXt l01zWThrkXSWBoRMhSwqOonHKEy6d4+z8LHUMl3R3EEAbn+GRbXs5nqGvDCfN1k0+OsZ26FssOO N68M8TxhTRpgz8HVcwgb73Pb/FdYMH1IF95UDDctT4jIeGRd/U+WWrj7s+ynxHfiujuTbedk8DM g9+TI8z1Ewy14z2zGx5hmP6OM/PJTX7PJ/OU3vL+xOhjarOnHkw1w1aNU3z46uoJcQY0vp90HSe 131POnuJGF26G8SWy5yM0c1ktj9M= X-TMASE-SNAP-Result: 1.821001.0001-0-1-12:0,22:0,33:0,34:0-0 Archived-At: Subject: Re: [spring] Last Call: (Segment Routing with MPLS data plane) to Proposed Standard X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Feb 2019 21:20:41 -0000 This draft has been around the block a bit, but certainly needs to progress because a lot of other things are dependent on it. Fortunately after plenty of review and updates (thanks to the authors), I think it is now ready to become an RFC. Adrian -----Original Message----- From: spring On Behalf Of The IESG Sent: 21 February 2019 18:42 To: IETF-Announce Cc: martin.vigoureux@nokia.com; draft-ietf-spring-segment-routing-mpls@ietf.org; spring@ietf.org; spring-chairs@ietf.org; shraddha@juniper.net Subject: [spring] Last Call: (Segment Routing with MPLS data plane) to Proposed Standard The IESG has received a request from the Source Packet Routing in Networking WG (spring) to consider the following document: - 'Segment Routing with MPLS data plane' as Proposed 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 2019-03-07. 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 Segment Routing (SR) leverages the source routing paradigm. A node steers a packet through a controlled set of instructions, called segments, by prepending the packet with an SR header. In the MPLS dataplane, the SR header is instantiated through a label stack. This document specifies the forwarding behavior to allow instantiating SR over the MPLS dataplane. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/ball ot/ The following IPR Declarations may be related to this I-D: https://datatracker.ietf.org/ipr/2880/ https://datatracker.ietf.org/ipr/2453/ https://datatracker.ietf.org/ipr/2454/ _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring From nobody Tue Feb 26 13:23:38 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D2689130E6D for ; Tue, 26 Feb 2019 13:23:36 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.6 X-Spam-Level: X-Spam-Status: No, score=-2.6 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id UFAJjgvuPi85 for ; Tue, 26 Feb 2019 13:23:34 -0800 (PST) Received: from mta6.iomartmail.com (mta6.iomartmail.com [62.128.193.156]) (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 185D5129A87 for ; Tue, 26 Feb 2019 13:23:33 -0800 (PST) Received: from vs2.iomartmail.com (vs2.iomartmail.com [10.12.10.123]) by mta6.iomartmail.com (8.14.4/8.14.4) with ESMTP id x1QLNWZJ032179; Tue, 26 Feb 2019 21:23:32 GMT Received: from vs2.iomartmail.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 090B122044; Tue, 26 Feb 2019 21:23:32 +0000 (GMT) Received: from asmtp1.iomartmail.com (unknown [10.12.10.248]) by vs2.iomartmail.com (Postfix) with ESMTPS id E7D2C22042; Tue, 26 Feb 2019 21:23:31 +0000 (GMT) Received: from LAPTOPK7AS653V ([87.112.237.8]) (authenticated bits=0) by asmtp1.iomartmail.com (8.14.4/8.14.4) with ESMTP id x1QLNVXV017313 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 26 Feb 2019 21:23:31 GMT Reply-To: From: "Adrian Farrel" To: , "'SPRING WG'" References: <31462_1550653415_5C6D17E7_31462_208_1_53C29892C857584299CBF5D05346208A489DDD8F@OPEXCAUBM43.corporate.adroot.infra.ftgroup> <28991_1550663493_5C6D3F45_28991_148_1_53C29892C857584299CBF5D05346208A489DE786@OPEXCAUBM43.corporate.adroot.infra.ftgroup> In-Reply-To: <28991_1550663493_5C6D3F45_28991_148_1_53C29892C857584299CBF5D05346208A489DE786@OPEXCAUBM43.corporate.adroot.infra.ftgroup> Date: Tue, 26 Feb 2019 21:23:30 -0000 Organization: Old Dog Consulting Message-ID: <049d01d4ce19$85cc4cd0$9164e670$@olddog.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQKSuXf6voTYnjmOxoJkNBSrajGeYgEgyLUSpG24/wA= Content-Language: en-gb X-Originating-IP: 87.112.237.8 X-Thinkmail-Auth: adrian@olddog.co.uk X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSVA-9.0.0.1623-8.2.0.1013-24458.002 X-TM-AS-Result: No--25.777-10.0-31-10 X-imss-scan-details: No--25.777-10.0-31-10 X-TMASE-Version: IMSVA-9.0.0.1623-8.2.1013-24458.002 X-TMASE-Result: 10--25.777200-10.000000 X-TMASE-MatchedRID: z5DqD3Ob673xIbpQ8BhdbOGonqgs5zxBndxf4OzpbpXjsTquy0JRi/TY LJi/AavYOcf/3Y0T+6gluortsWNZO/GU4m5A0eV9M8ORI7N4NZbj5lyuq8IOQeRWL+8cTh3A1Fv g6E0U6v98k0qYbSwKmZTLPSs02Gp++dVjQNaxOrcIVoCLGbl5T0DwlkRNC6PCi2g8XzxCDfuMGo 3GYelkZEzA3FGTDk+XSgeIcUJa+XOcmtrRK7tMe3BRIrj8R47FEtdrY/Wb3fPCitJZP8JYwZTrb O9zUOWjE4mQCej9iq5SIUE9ZQ4zv3lvnAE/MQ9TVo6mn+xXmdXgHtq54uZTQM7EPIkVcg+OV5wL Yxzxb+/3iS9M0zW1ZzOR4sxuK0BwaHD9tWy9EhkFcU5GaaYmqQBa9QpiMkn0FcZ/Y8yHVy2Rpxn TTDYneov3zrilEHu1ASXpHx7Uf2AEbuYXORCaG2KqcioTjCrCgtQnf9JmefaozyfYYpqMt59pL9 X2qROZbnR5VlZ76o/FlWA1gYt8YrWeoITUH0/cOjf3A4DTYuGlY+G3TvhajejX4qcbrSQnA4eV6 z+cHCdM+fB+KW5xPqlaEvVRnyvLXwylrz/+EAOeAiCmPx4NwLTrdaH1ZWqCii7lXaIcF/Ww7M6d yuYKg/cUt5lc1lLgtT4piLWpY7p+3BndfXUhXQ== X-TMASE-SNAP-Result: 1.821001.0001-0-1-12:0,22:0,33:0,34:0-0 Archived-At: Subject: Re: [spring] Working Group Adoption Call for draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Feb 2019 21:23:37 -0000 Bruno, all, I didn't pay much attention to this work when it first came out, but looking more closely now, I think there is a useful function described here. Obviously there is some polish needed, but that's OK at this stage in the process and doesn't stop adoption. I support the WG picking this up. Adrian -----Original Message----- From: spring On Behalf Of bruno.decraene@orange.com Sent: 20 February 2019 11:52 To: SPRING WG Subject: Re: [spring] Working Group Adoption Call for draft-cheng-spring-mpls-path-segment To answer a question, the emails previously sent on the mailing list over a week ago will be considered as part of the adoption call. That being said, if you are a non-author and your previous support is strong enough to be willing to improve the document, you are very welcome to volunteer to perform a _technical_ review of this draft at some later stage, such as before or during WG the last call. Thanks, --Bruno -----Original Message----- From: spring [mailto:spring-bounces@ietf.org] On Behalf Of bruno.decraene@orange.com Sent: Wednesday, February 20, 2019 10:04 AM To: SPRING WG Cc: draft-cheng-spring-mpls-path-segment@ietf.org Subject: [spring] Working Group Adoption Call for draft-cheng-spring-mpls-path-segment Hi SPRING WG, This email initiates a two week call for working group adoption for draft-cheng-spring-mpls-path-segment. Please indicate your support, comments, or objection, for adopting this draft as a working group item by March 6th 2019. We are particularly interested in hearing from working group members that are not co-authors of this draft. We are also looking for volunteers who would be ready to perform a technical review of this work at some later stage, such as before or during WG the last call. Additionally, there are currently 7 authors listed on this document. Please trim this to <= 5 front-page authors, utilising a "Contributors" section if required for the others. An approach to achieving this would be to list ~2 editors as the front-page authors. In parallel to this adoption call, I will send an IPR call for this document. We will need all authors and contributors to confirm their IPR position on this document. (1) https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segment Thanks, --Bruno & Rob. ____________________________________________________________________________ _____________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confidentielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages electroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou falsifie. Merci. This message and its attachments may contain confidential or privileged information that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and delete this message and its attachments. As emails may be altered, Orange is not liable for messages that have been modified, changed or falsified. Thank you. _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring ____________________________________________________________________________ _____________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confidentielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages electroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou falsifie. Merci. This message and its attachments may contain confidential or privileged information that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and delete this message and its attachments. As emails may be altered, Orange is not liable for messages that have been modified, changed or falsified. Thank you. _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring From nobody Tue Feb 26 13:42:37 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0DEDD12D7F8; Tue, 26 Feb 2019 13:42:36 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2 X-Spam-Level: X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OdNiqVyxs_vh; Tue, 26 Feb 2019 13:42:33 -0800 (PST) Received: from mail-ed1-x536.google.com (mail-ed1-x536.google.com [IPv6:2a00:1450:4864:20::536]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 77F8712DDA3; 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Intel Mac OS X 10.13; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: <049c01d4ce19$1c2fdcb0$548f9610$@olddog.co.uk> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Archived-At: Subject: Re: [spring] Last Call: (Segment Routing with MPLS data plane) to Proposed Standard X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Feb 2019 21:42:36 -0000 As a co-author, I second this opinion Ahmed On 2/26/19 1:20 PM, Adrian Farrel wrote: > This draft has been around the block a bit, but certainly needs to progress > because a lot of other things are dependent on it. > > Fortunately after plenty of review and updates (thanks to the authors), I > think it is now ready to become an RFC. > > Adrian > > -----Original Message----- > From: spring On Behalf Of The IESG > Sent: 21 February 2019 18:42 > To: IETF-Announce > Cc: martin.vigoureux@nokia.com; > draft-ietf-spring-segment-routing-mpls@ietf.org; spring@ietf.org; > spring-chairs@ietf.org; shraddha@juniper.net > Subject: [spring] Last Call: > (Segment Routing with MPLS data plane) to Proposed Standard > > > The IESG has received a request from the Source Packet Routing in Networking > WG (spring) to consider the following document: - 'Segment Routing with MPLS > data plane' > as Proposed 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 2019-03-07. 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 > > > Segment Routing (SR) leverages the source routing paradigm. A node > steers a packet through a controlled set of instructions, called > segments, by prepending the packet with an SR header. In the MPLS > dataplane, the SR header is instantiated through a label stack. This > document specifies the forwarding behavior to allow instantiating SR > over the MPLS dataplane. > > > > > The file can be obtained via > https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/ > > IESG discussion can be tracked via > https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/ball > ot/ > > The following IPR Declarations may be related to this I-D: > > https://datatracker.ietf.org/ipr/2880/ > https://datatracker.ietf.org/ipr/2453/ > https://datatracker.ietf.org/ipr/2454/ > > > > > > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring > From nobody Tue Feb 26 15:14:59 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1D0301279E6; Tue, 26 Feb 2019 15:14:58 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 50keCafCCo4G; Tue, 26 Feb 2019 15:14:54 -0800 (PST) Received: from mail-qt1-x829.google.com (mail-qt1-x829.google.com [IPv6:2607:f8b0:4864:20::829]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 80257126D00; Tue, 26 Feb 2019 15:14:54 -0800 (PST) Received: by mail-qt1-x829.google.com with SMTP id d2so17032865qti.11; Tue, 26 Feb 2019 15:14:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:message-id:in-reply-to:references:subject :mime-version; bh=HpYrsA+z4gP/8qrIaYkCFkuBu+Ka84PWSQInu65zW54=; b=aShwwV6a9UWoqNN7HXegmwzVT2cX2IDMQmvYNH5MXuJTacbOOI79Se3I+64Lp61Diw f6gLhAb8h8lemoRNxs+dAF9jbkk8hTmGAS9TBFZgnMU/qRrlf07vVEOmiJWPDFkIlpyb T18mBOdljrz+kDfBzcY8mpaAX2WOVOCdeMK5JaapovYMyPtcorJVyHEGnM7j1LBSkG+X MCurTcoNz0MAsOlUTcPf4YucBjiN6xyI3UYLF2hldWsFMEFo0AlwCHdXW7aNTrFQyCgk ZU7gRSmUme3cDP2OokmhqaU3Ua06Lixm5JD6f9xayMFpMT8eCJIMOPKksSKoUQRYR//a Zi2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:message-id:in-reply-to :references:subject:mime-version; bh=HpYrsA+z4gP/8qrIaYkCFkuBu+Ka84PWSQInu65zW54=; b=XrvFqUhuREOsZgutW1FcEDKRlc1KNZbkr+UPcYfNn31STLJw7+5Y6vdIvOFrunEJQn 06UmY/VF2eFUCrPxCyKdNLzjIPxx57RmUen20NLdH3QLIaQvFoRrAGqwU4aWFNDccA7K +Vv0KBPEL47GfHsYYQAJTXzH2+DlMpCim+F31Jz+xDU3s19NIW62rV0bXwKxHTs9gOgr 1iRgow7E3/frbvxm5QWPWPc9EUWkmQgrqAm07qacJj7jCDyGsCf4nK5sDkRODYo4smMY VqAdzzRKPKeUpsvKXVz43UkBtn0HjdSNEHPrcEUwjQwrgVADJG+4LtdWuTd4V26VbvwY Xucw== X-Gm-Message-State: AHQUAuayMeIzZ4gRahbeTX+I+F/fD9GOvybcqaLcck+QKyBT+/poFkEz 9xdJsJFb+HI2MV9/+mkhbLWJwE+T X-Google-Smtp-Source: AHgI3Ibks4u7TdouEkYRo1lHR27YyHsxQjeM+Qf9VowlEmPf2Nmiailu1FhMOBhxGhI0D4bbDOiZqg== X-Received: by 2002:ac8:5297:: with SMTP id s23mr19748728qtn.371.1551222893200; Tue, 26 Feb 2019 15:14:53 -0800 (PST) Received: from [10.71.0.184] (rrcs-108-176-6-138.nyc.biz.rr.com. [108.176.6.138]) by smtp.gmail.com with ESMTPSA id x43sm12493045qtc.10.2019.02.26.15.14.52 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 26 Feb 2019 15:14:52 -0800 (PST) Date: Tue, 26 Feb 2019 15:14:45 -0800 From: Jeff Tantsura To: ietf@ietf.org, adrian@olddog.co.uk Cc: spring-chairs@ietf.org, draft-ietf-spring-segment-routing-mpls@ietf.org, spring@ietf.org, shraddha@juniper.net Message-ID: In-Reply-To: <049c01d4ce19$1c2fdcb0$548f9610$@olddog.co.uk> References: <155077450563.18620.1730285391843881930.idtracker@ietfa.amsl.com> <049c01d4ce19$1c2fdcb0$548f9610$@olddog.co.uk> X-Readdle-Message-ID: b90f29db-5f42-4236-b48b-c6206dde68ce@Spark MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="5c75c86a_2dfbcb8c_4ada" Archived-At: Subject: Re: [spring] Last Call: (Segment Routing with MPLS data plane) to Proposed Standard X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Feb 2019 23:14:58 -0000 --5c75c86a_2dfbcb8c_4ada Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline +1 Cheers, Jeff On Feb 26, 2019, 1:21 PM -0800, Adrian Farrel , wrote: > This draft has been around the block a bit, but certainly needs to progress > because a lot of other things are dependent on it. > > Fortunately after plenty of review and updates (thanks to the authors), I > think it is now ready to become an RFC. > > Adrian > > -----Original Message----- > From: spring On Behalf Of The IESG > Sent: 21 February 2019 18:42 > To: IETF-Announce > Cc: martin.vigoureux@nokia.com; > draft-ietf-spring-segment-routing-mpls@ietf.org; spring@ietf.org; > spring-chairs@ietf.org; shraddha@juniper.net > Subject: [spring] Last Call: > (Segment Routing with MPLS data plane) to Proposed Standard > > > The IESG has received a request from the Source Packet Routing in Networking > WG (spring) to consider the following document: - 'Segment Routing with MPLS > data plane' > as Proposed 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 2019-03-07. 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 > > > Segment Routing (SR) leverages the source routing paradigm. A node > steers a packet through a controlled set of instructions, called > segments, by prepending the packet with an SR header. In the MPLS > dataplane, the SR header is instantiated through a label stack. This > document specifies the forwarding behavior to allow instantiating SR > over the MPLS dataplane. > > > > > The file can be obtained via > https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/ > > IESG discussion can be tracked via > https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/ball > ot/ > > The following IPR Declarations may be related to this I-D: > > https://datatracker.ietf.org/ipr/2880/ > https://datatracker.ietf.org/ipr/2453/ > https://datatracker.ietf.org/ipr/2454/ > > > > > > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring > --5c75c86a_2dfbcb8c_4ada Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline
+1

Cheers,
Jeff
On =46eb 26, 20= 19, 1:21 PM -0800, Adrian =46arrel <adrian=40olddog.co.uk>, wrote:<= br />
This draft has been around the= block a bit, but certainly needs to progress
because a lot of other things are dependent on it.

=46ortunately after plenty of review and updates (thanks to the authors),= I
think it is now ready to become an R=46C.

Adrian

-----Original Message-----
=46rom: spring <spring-bounces=40ietf.org> On Behalf Of The IESG Sent: 21 =46ebruary 2019 18:42
To: IET=46-Announce <ietf-announce=40ietf.org>
Cc: martin.vigoureux=40nokia.com;
draft-ietf-spring-segment-routing-mpls=40ietf.org; spring=40ietf.org;
spring-chairs=40ietf.org; shraddha=40juniper.net
Subject: =5Bspring=5D Last Call: <draft-ietf-spring-segment-routing-mp= ls-18.txt>
(Segment Routing with MPLS data plane) to Proposed Standard


The IESG has received a request from the Source Packet Routing in Network= ing
WG (spring) to consider the following document: - 'Segment Routing with M= PLS
data plane'
<draft-ietf-spring-segment-routing-mpls-18.txt> as Proposed Standar= d

The IESG plans to make a decision in the next few weeks, and solicits fin= al
comments on this action. Please send substantive comments to the
ietf=40ietf.org mailing lists by 2019-03-07. Exceptionally, comments may = be
sent to iesg=40ietf.org instead. In either case, please retain the beginn= ing
of
the Subject line to allow automated sorting.

Abstract


Segment Routing (SR) leverages the source routing paradigm. A node
steers a packet through a controlled set of instructions, called
segments, by prepending the packet with an SR header. In the MPLS
dataplane, the SR header is instantiated through a label stack. This
document specifies the forwarding behavior to allow instantiating SR
over the MPLS dataplane.




The file can be obtained via
https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/<= br />
IESG discussion can be tracked via
https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/b= all
ot/

The following IPR Declarations may be related to this I-D:

https://datatracker.ietf.org/ipr/2880/
https://datatracker.ietf.org/ipr/2453/
https://datatracker.ietf.org/ipr/2454/





=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F
spring mailing list
spring=40ietf.org
https://www.ietf.org/mailman/listinfo/spring

--5c75c86a_2dfbcb8c_4ada-- From nobody Tue Feb 26 16:25:14 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 45F89130ED7; Tue, 26 Feb 2019 16:25:06 -0800 (PST) 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id goGLWys4EW1W; Tue, 26 Feb 2019 16:25:03 -0800 (PST) Received: from ESA3-Dor.bell.ca (esa3-dor.bell.ca [204.101.223.60]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id F11AD130EB3; Tue, 26 Feb 2019 16:25:02 -0800 (PST) Received: from dc5cmz-d00.bellca.int.bell.ca (HELO DG1MBX03-WYN.bell.corp.bce.ca) ([198.235.121.231]) by esa03corp-dor.bell.corp.bce.ca with ESMTP; 26 Feb 2019 19:25:01 -0500 Received: from DG1MBX04-WYN.bell.corp.bce.ca (2002:8eb6:120e::8eb6:120e) by DG1MBX03-WYN.bell.corp.bce.ca (2002:8eb6:120d::8eb6:120d) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 26 Feb 2019 19:25:00 -0500 Received: from DG1MBX04-WYN.bell.corp.bce.ca ([fe80::4115:27b3:22f8:ca35]) by DG1MBX04-WYN.bell.corp.bce.ca ([fe80::4115:27b3:22f8:ca35%22]) with mapi id 15.00.1395.000; Tue, 26 Feb 2019 19:25:00 -0500 From: "Voyer, Daniel" To: Ahmed Bashandy , "adrian@olddog.co.uk" , "ietf@ietf.org" CC: "spring-chairs@ietf.org" , "draft-ietf-spring-segment-routing-mpls@ietf.org" , "spring@ietf.org" , "martin.vigoureux@nokia.com" , "shraddha@juniper.net" Thread-Topic: [spring] Last Call: (Segment Routing with MPLS data plane) to Proposed Standard Thread-Index: AQHUyhUbkZop6GaZnUe33lg4xnV1o6Xy8d6AgAAGIgD//9mVAA== Date: Wed, 27 Feb 2019 00:25:00 +0000 Message-ID: References: <155077450563.18620.1730285391843881930.idtracker@ietfa.amsl.com> <049c01d4ce19$1c2fdcb0$548f9610$@olddog.co.uk> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/10.16.1.190220 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [172.24.25.3] Content-Type: text/plain; charset="utf-8" Content-ID: <7FDD7B5B7DE6024A85370D72D2F6407E@exchange.bell.ca> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [spring] Last Call: (Segment Routing with MPLS data plane) to Proposed Standard X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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xch-rcd-012.cisco.com X-Outbound-Node: rcdn-core-2.cisco.com Archived-At: Subject: Re: [spring] Working Group Adoption Call for draft-cheng-spring-mpls-path-segment X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Feb 2019 04:20:31 -0000 Hello, I support the adoption of this draft by the WG. I have some comments which = I would like to bring to the author's and WG though - some of these were ra= ised when this draft was presented in Bangkok but I don't see them addresse= d as yet. 1) Sec 2. A Path Segment is a single label that is assigned from the Segment Routing Local Block (SRLB) or Segment Routing Global Block (SRGB) of the egress node of an SR path. KT> Why can't the Path Segment be allocated from the dynamic MPLS label poo= l on the egress node? Can this be added as discussed in Bangkok? This mode = would help achieve a good scalability for SR Policies along with the option= of using SRLB. On the other hand, I do not understand the use-case for all= ocating Path Segments from the SRGB. If there is none, do we want to preclu= de SRGB usage for Path Segments? 2) Can the authors clarify on the relationship and usage of Path Segment wi= th Entropy label (https://tools.ietf.org/html/draft-ietf-mpls-spring-entrop= y-label-12)? There are examples of nested segments. Similarly, the draft co= uld use some text to discuss the MSD capabilities of the headend when enabl= ing path segment usage. 3) This seems SR/MPLS specific to me. Is that correct? If so, why put refer= ence to SRv6 documents in there as that would create confusion? Thanks, Ketan -----Original Message----- From: spring On Behalf Of bruno.decraene@orange.c= om Sent: 20 February 2019 14:34 To: SPRING WG Cc: draft-cheng-spring-mpls-path-segment@ietf.org Subject: [spring] Working Group Adoption Call for draft-cheng-spring-mpls-p= ath-segment Hi SPRING WG, This email initiates a two week call for working group adoption for draft-c= heng-spring-mpls-path-segment. Please indicate your support, comments, or objection, for adopting this dra= ft as a working group item by March 6th 2019. We are particularly interested in hearing from working group members that a= re not co-authors of this draft. We are also looking for volunteers who would be ready to perform a technica= l review of this work at some later stage, such as before or during WG the = last call. Additionally, there are currently 7 authors listed on this document. Please= trim this to <=3D 5 front-page authors, utilising a "Contributors" section= if required for the others. An approach to achieving this would be to list= ~2 editors as the front-page authors. In parallel to this adoption call, I will send an IPR call for this documen= t. We will need all authors and contributors to confirm their IPR position = on this document. (1) https://tools.ietf.org/html/draft-cheng-spring-mpls-path-segment Thanks, --Bruno & Rob. ___________________________________________________________________________= ______________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confiden= tielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou = copies sans autorisation. Si vous avez recu ce message par erreur, veuillez= le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Le= s messages electroniques etant susceptibles d'alteration, Orange decline to= ute responsabilite si ce message a ete altere, deforme ou falsifie. Merci. This message and its attachments may contain confidential or privileged inf= ormation that may be protected by law; they should not be distributed, used= or copied without authorisation. If you have received this email in error, please notify the sender and dele= te this message and its attachments. As emails may be altered, Orange is not liable for messages that have been = modified, changed or falsified. Thank you. _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring From nobody Wed Feb 27 00:31:43 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8F73C130E8A for ; Wed, 27 Feb 2019 00:31:41 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.199 X-Spam-Level: X-Spam-Status: No, score=-4.199 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tnNfvhH617yN for ; Wed, 27 Feb 2019 00:31:39 -0800 (PST) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher 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DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=previdi-net.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id GEcVsVCam53Q for ; Wed, 27 Feb 2019 04:18:07 -0800 (PST) Received: from mail-it1-x12d.google.com (mail-it1-x12d.google.com [IPv6:2607:f8b0:4864:20::12d]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C828E130EB4 for ; Wed, 27 Feb 2019 04:18:04 -0800 (PST) Received: by mail-it1-x12d.google.com with SMTP id l139so7366037ita.5 for ; Wed, 27 Feb 2019 04:18:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=previdi-net.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=QByCGxbm4x+xQkUsYEn7zwnyJFcewRvkpHuCsteS/gM=; b=QWmTYdv1PEaomRmRtYAY3Z4gjiELBI5bkdhf6tDiEft8QffxFWLGv3HeSm70sh6vyq 4ciyHLybD061iCRw7xiClUCRJGP9rf0Mwxaj29RbHHAafRYHp1NwCtZAqhQz1LUgQ1f/ laLqopdLjnaUaap3nxYJqfkAyUoj6zI/FmSIPJgmj4LKqhXPO9Aj8Qwi9AQ8qc318lFH XKNR8A4yNK4ZrZ86fHmLD2mAuCBwL3uHWC2p1kLTSAFWM6VU734nzqMRTk57IHvMhNXw jV4lHGXdlvmOQ83c6zz9cG1Yei/0SijdsiuksuIwT/0zxKtjzWqlOaKZPa5h6BLJb8cL YiGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=QByCGxbm4x+xQkUsYEn7zwnyJFcewRvkpHuCsteS/gM=; b=gHEPSCaUer6Jc/vXSRM2BFYTXgbfs9yjpzzkn4+rwbmRwA+b49bwr8Do6gEL15AR7s zsUy9gir6stfWQQw7KDvmaMuJK07iHYkLpihDiHTChOoUjDwJLqZGW7ikESgGF6b6xVu nzO5Fxetgz9ewou8utDd0+lWI4aSbylDeAfznG5JvlhZFNnLpscA0W8NiM7+5cJmjS/9 y4+yfj2cY26bwZ/d6ZERxSTN0asF3g190f+s3NrygDSJpxUVaJ5/UNmlj4OFnxM1/UP+ S+Hgfs2DMrHoWrF8/U8zI+uRF2yLmfIPBPoAxD/71JgUExmugXGKaA02ynJmrUu/Uge1 JY4w== X-Gm-Message-State: AHQUAuYvBvlLdpjigM4pII3dQ4/TrR4SwDhmGOVlp14gygThAOcO98ra TN2YWki2PG0WAUMoVnVkL56ZwrtvNzfe6dU9optObg== X-Google-Smtp-Source: APXvYqxkmj5K6kYKg9JueesOdxtEZMPBzLsXLhrR50xfWJ/BrTr0wfhj/MuORapxYOHe7fZvlGIgfv1JEUg/cDGf7Q4= X-Received: by 2002:a24:c8c1:: with SMTP id w184mr1189837itf.135.1551269883815; Wed, 27 Feb 2019 04:18:03 -0800 (PST) MIME-Version: 1.0 References: <155077450563.18620.1730285391843881930.idtracker@ietfa.amsl.com> <049c01d4ce19$1c2fdcb0$548f9610$@olddog.co.uk> In-Reply-To: <049c01d4ce19$1c2fdcb0$548f9610$@olddog.co.uk> From: Stefano Previdi Date: Wed, 27 Feb 2019 13:17:50 +0100 Message-ID: To: adrian@olddog.co.uk Cc: ietf@ietf.org, Martin Vigoureux , draft-ietf-spring-segment-routing-mpls@ietf.org, SPRING WG , spring-chairs@ietf.org, Shraddha Hegde Content-Type: multipart/alternative; boundary="0000000000006046630582df2a3e" Archived-At: Subject: Re: [spring] Last Call: (Segment Routing with MPLS data plane) to Proposed Standard X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Feb 2019 12:18:09 -0000 --0000000000006046630582df2a3e Content-Type: text/plain; charset="UTF-8" Fully agree. Thanks. s. On Tue, Feb 26, 2019, 22:20 Adrian Farrel wrote: > This draft has been around the block a bit, but certainly needs to progress > because a lot of other things are dependent on it. > > Fortunately after plenty of review and updates (thanks to the authors), I > think it is now ready to become an RFC. > > Adrian > > -----Original Message----- > From: spring On Behalf Of The IESG > Sent: 21 February 2019 18:42 > To: IETF-Announce > Cc: martin.vigoureux@nokia.com; > draft-ietf-spring-segment-routing-mpls@ietf.org; spring@ietf.org; > spring-chairs@ietf.org; shraddha@juniper.net > Subject: [spring] Last Call: > > (Segment Routing with MPLS data plane) to Proposed Standard > > > The IESG has received a request from the Source Packet Routing in > Networking > WG (spring) to consider the following document: - 'Segment Routing with > MPLS > data plane' > as Proposed 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 2019-03-07. 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 > > > Segment Routing (SR) leverages the source routing paradigm. A node > steers a packet through a controlled set of instructions, called > segments, by prepending the packet with an SR header. In the MPLS > dataplane, the SR header is instantiated through a label stack. This > document specifies the forwarding behavior to allow instantiating SR > over the MPLS dataplane. > > > > > The file can be obtained via > https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/ > > IESG discussion can be tracked via > > https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/ball > ot/ > > > The following IPR Declarations may be related to this I-D: > > https://datatracker.ietf.org/ipr/2880/ > https://datatracker.ietf.org/ipr/2453/ > https://datatracker.ietf.org/ipr/2454/ > > > > > > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring > > --0000000000006046630582df2a3e Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Fully agree.

Thanks.
s.




On Tue, Feb 26, 2019, 22:20 Adrian Farrel <= ;adrian@olddog.co.uk> wrote:<= br>
This draft has been around the bloc= k a bit, but certainly needs to progress
because a lot of other things are dependent on it.

Fortunately after plenty of review and updates (thanks to the authors), I think it is now ready to become an RFC.

Adrian

-----Original Message-----
From: spring <spring-bounces@ietf.org> On Behalf Of The IESG=
Sent: 21 February 2019 18:42
To: IETF-Announce <ietf-announce@ietf.org>
Cc: martin.vigoureux@nokia.com;
draft-ietf-spring-segment-routing-mpls@ietf.= org; spring@ietf.org;
spring-chairs@ietf.org; shraddha@juniper.net
Subject: [spring] Last Call: <draft-ietf-spring-segment-routing-mpls-18.= txt>
(Segment Routing with MPLS data plane) to Proposed Standard


The IESG has received a request from the Source Packet Routing in Networkin= g
WG (spring) to consider the following document: - 'Segment Routing with= MPLS
data plane'
=C2=A0 <draft-ietf-spring-segment-routing-mpls-18.txt> as Proposed St= andard

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 2019-03-07. 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


=C2=A0 =C2=A0Segment Routing (SR) leverages the source routing paradigm.=C2= =A0 A node
=C2=A0 =C2=A0steers a packet through a controlled set of instructions, call= ed
=C2=A0 =C2=A0segments, by prepending the packet with an SR header.=C2=A0 In= the MPLS
=C2=A0 =C2=A0dataplane, the SR header is instantiated through a label stack= . This
=C2=A0 =C2=A0document specifies the forwarding behavior to allow instantiat= ing SR
=C2=A0 =C2=A0over the MPLS dataplane.




The file can be obtained via
https://datatrack= er.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/

IESG discussion can be tracked via
https://da= tatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/ball
ot/

The following IPR Declarations may be related to this I-D:

=C2=A0 =C2=A0https://datatracker.ietf.org/ipr/2880/=
=C2=A0 =C2=A0https://datatracker.ietf.org/ipr/2453/=
=C2=A0 =C2=A0https://datatracker.ietf.org/ipr/2454/=





_______________________________________________
spring mailing list
spr= ing@ietf.org
https://www.ietf.org/mailman/listinfo/spring<= /a>

--0000000000006046630582df2a3e-- From nobody Wed Feb 27 17:32:15 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6FC83130ECE; Wed, 27 Feb 2019 17:32:14 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.2 X-Spam-Level: X-Spam-Status: No, score=-4.2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tfara66wMwpu; Wed, 27 Feb 2019 17:32:11 -0800 (PST) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D71AA1277D2; Wed, 27 Feb 2019 17:32:10 -0800 (PST) Received: from lhreml703-cah.china.huawei.com (unknown [172.18.7.108]) by Forcepoint Email with ESMTP id 88DD9AA85D5A19CF0E85; Thu, 28 Feb 2019 01:32:08 +0000 (GMT) Received: from DGGEML404-HUB.china.huawei.com (10.3.17.39) by lhreml703-cah.china.huawei.com (10.201.108.44) with Microsoft SMTP Server (TLS) id 14.3.408.0; Thu, 28 Feb 2019 01:32:08 +0000 Received: from DGGEML510-MBX.china.huawei.com ([169.254.2.6]) by DGGEML404-HUB.china.huawei.com ([fe80::b177:a243:7a69:5ab8%31]) with mapi id 14.03.0415.000; Thu, 28 Feb 2019 09:32:03 +0800 From: Mach Chen To: "adrian@olddog.co.uk" , "ietf@ietf.org" CC: "spring-chairs@ietf.org" , "draft-ietf-spring-segment-routing-mpls@ietf.org" , "spring@ietf.org" , "shraddha@juniper.net" Thread-Topic: [spring] Last Call: (Segment Routing with MPLS data plane) to Proposed Standard Thread-Index: AQHUyhUo8v96yObkokmjmNg6DezZGKXyF/CAgAJehmA= Date: Thu, 28 Feb 2019 01:32:03 +0000 Message-ID: References: <155077450563.18620.1730285391843881930.idtracker@ietfa.amsl.com> <049c01d4ce19$1c2fdcb0$548f9610$@olddog.co.uk> In-Reply-To: <049c01d4ce19$1c2fdcb0$548f9610$@olddog.co.uk> Accept-Language: en-US, zh-CN Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.111.194.201] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [spring] Last Call: (Segment Routing with MPLS data plane) to Proposed Standard X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Feb 2019 01:32:15 -0000 +1 Best regards, Mach > -----Original Message----- > From: ietf [mailto:ietf-bounces@ietf.org] On Behalf Of Adrian Farrel > Sent: Wednesday, February 27, 2019 5:21 AM > To: ietf@ietf.org > Cc: spring-chairs@ietf.org; draft-ietf-spring-segment-routing-mpls@ietf.o= rg; > spring@ietf.org; shraddha@juniper.net > Subject: RE: [spring] Last Call: > (Segment Routing with MPLS data plane) to Proposed Standard >=20 > This draft has been around the block a bit, but certainly needs to progre= ss > because a lot of other things are dependent on it. >=20 > Fortunately after plenty of review and updates (thanks to the authors), I > think it is now ready to become an RFC. >=20 > Adrian >=20 > -----Original Message----- > From: spring On Behalf Of The IESG > Sent: 21 February 2019 18:42 > To: IETF-Announce > Cc: martin.vigoureux@nokia.com; > draft-ietf-spring-segment-routing-mpls@ietf.org; spring@ietf.org; spring- > chairs@ietf.org; shraddha@juniper.net > Subject: [spring] Last Call: > (Segment Routing with MPLS data plane) to Proposed Standard >=20 >=20 > The IESG has received a request from the Source Packet Routing in > Networking WG (spring) to consider the following document: - 'Segment > Routing with MPLS data plane' > as Proposed Standard >=20 > The IESG plans to make a decision in the next few weeks, and solicits fin= al > comments on this action. Please send substantive comments to the > ietf@ietf.org mailing lists by 2019-03-07. Exceptionally, comments may be > sent to iesg@ietf.org instead. In either case, please retain the beginnin= g of > the Subject line to allow automated sorting. >=20 > Abstract >=20 >=20 > Segment Routing (SR) leverages the source routing paradigm. A node > steers a packet through a controlled set of instructions, called > segments, by prepending the packet with an SR header. In the MPLS > dataplane, the SR header is instantiated through a label stack. This > document specifies the forwarding behavior to allow instantiating SR > over the MPLS dataplane. >=20 >=20 >=20 >=20 > The file can be obtained via > https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/ >=20 > IESG discussion can be tracked via > https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/b= all > ot/ >=20 > The following IPR Declarations may be related to this I-D: >=20 > https://datatracker.ietf.org/ipr/2880/ > https://datatracker.ietf.org/ipr/2453/ > https://datatracker.ietf.org/ipr/2454/ >=20 >=20 >=20 >=20 >=20 > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring From nobody Thu Feb 28 06:11:51 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3BDFE12F295; Thu, 28 Feb 2019 06:11:44 -0800 (PST) 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id a8The9IEsPFq; Thu, 28 Feb 2019 06:11:41 -0800 (PST) Received: from ESA2-Wyn.bell.ca (esa2-wyn.bell.ca [67.69.243.180]) (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 C2F0C130E69; Thu, 28 Feb 2019 06:11:40 -0800 (PST) Received: from dm5cch-d01.bellca.int.bell.ca (HELO DG1MBX01-WYN.bell.corp.bce.ca) ([198.235.102.31]) by esa02corp-wyn.bell.corp.bce.ca with ESMTP; 28 Feb 2019 09:11:36 -0500 Received: from DG1MBX04-WYN.bell.corp.bce.ca (2002:8eb6:120e::8eb6:120e) by DG1MBX01-WYN.bell.corp.bce.ca (2002:8eb6:120b::8eb6:120b) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 28 Feb 2019 09:11:35 -0500 Received: from DG1MBX04-WYN.bell.corp.bce.ca ([fe80::852e:e04e:dd37:8052]) by DG1MBX04-WYN.bell.corp.bce.ca ([fe80::852e:e04e:dd37:8052%22]) with mapi id 15.00.1395.000; Thu, 28 Feb 2019 09:11:35 -0500 From: "Bernier, Daniel" To: "adrian@olddog.co.uk" , "ietf@ietf.org" CC: "spring-chairs@ietf.org" , "draft-ietf-spring-segment-routing-mpls@ietf.org" , "spring@ietf.org" , "martin.vigoureux@nokia.com" , "shraddha@juniper.net" Thread-Topic: [spring] Last Call: (Segment Routing with MPLS data plane) to Proposed Standard Thread-Index: AQHUyhUbaFeQDGAE50y6UZWLpe3BjqXy8d6AgAJY/oA= Date: Thu, 28 Feb 2019 14:11:35 +0000 Message-ID: <9AACC47B-942A-4A10-AB89-CC757EC988A2@bell.ca> References: <155077450563.18620.1730285391843881930.idtracker@ietfa.amsl.com> <049c01d4ce19$1c2fdcb0$548f9610$@olddog.co.uk> In-Reply-To: <049c01d4ce19$1c2fdcb0$548f9610$@olddog.co.uk> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/10.10.7.190210 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [172.28.92.3] Content-Type: text/plain; charset="utf-8" Content-ID: <75A66E4B7052604BB3515C5797B853C4@exchange.bell.ca> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [spring] Last Call: (Segment Routing with MPLS data plane) to Proposed Standard X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Feb 2019 14:11:44 -0000 KzENCg0KRGFuIEINCg0K77u/T24gMjAxOS0wMi0yNiwgNDoyMCBQTSwgInNwcmluZyBvbiBiZWhh bGYgb2YgQWRyaWFuIEZhcnJlbCIgPHNwcmluZy1ib3VuY2VzQGlldGYub3JnIG9uIGJlaGFsZiBv ZiBhZHJpYW5Ab2xkZG9nLmNvLnVrPiB3cm90ZToNCg0KICAgIFRoaXMgZHJhZnQgaGFzIGJlZW4g YXJvdW5kIHRoZSBibG9jayBhIGJpdCwgYnV0IGNlcnRhaW5seSBuZWVkcyB0byBwcm9ncmVzcw0K ICAgIGJlY2F1c2UgYSBsb3Qgb2Ygb3RoZXIgdGhpbmdzIGFyZSBkZXBlbmRlbnQgb24gaXQuDQog ICAgDQogICAgRm9ydHVuYXRlbHkgYWZ0ZXIgcGxlbnR5IG9mIHJldmlldyBhbmQgdXBkYXRlcyAo dGhhbmtzIHRvIHRoZSBhdXRob3JzKSwgSQ0KICAgIHRoaW5rIGl0IGlzIG5vdyByZWFkeSB0byBi ZWNvbWUgYW4gUkZDLg0KICAgIA0KICAgIEFkcmlhbg0KICAgIA0KICAgIC0tLS0tT3JpZ2luYWwg TWVzc2FnZS0tLS0tDQogICAgRnJvbTogc3ByaW5nIDxzcHJpbmctYm91bmNlc0BpZXRmLm9yZz4g T24gQmVoYWxmIE9mIFRoZSBJRVNHDQogICAgU2VudDogMjEgRmVicnVhcnkgMjAxOSAxODo0Mg0K ICAgIFRvOiBJRVRGLUFubm91bmNlIDxpZXRmLWFubm91bmNlQGlldGYub3JnPg0KICAgIENjOiBt YXJ0aW4udmlnb3VyZXV4QG5va2lhLmNvbTsNCiAgICBkcmFmdC1pZXRmLXNwcmluZy1zZWdtZW50 LXJvdXRpbmctbXBsc0BpZXRmLm9yZzsgc3ByaW5nQGlldGYub3JnOw0KICAgIHNwcmluZy1jaGFp cnNAaWV0Zi5vcmc7IHNocmFkZGhhQGp1bmlwZXIubmV0DQogICAgU3ViamVjdDogW3NwcmluZ10g TGFzdCBDYWxsOiA8ZHJhZnQtaWV0Zi1zcHJpbmctc2VnbWVudC1yb3V0aW5nLW1wbHMtMTgudHh0 Pg0KICAgIChTZWdtZW50IFJvdXRpbmcgd2l0aCBNUExTIGRhdGEgcGxhbmUpIHRvIFByb3Bvc2Vk IFN0YW5kYXJkDQogICAgDQogICAgDQogICAgVGhlIElFU0cgaGFzIHJlY2VpdmVkIGEgcmVxdWVz dCBmcm9tIHRoZSBTb3VyY2UgUGFja2V0IFJvdXRpbmcgaW4gTmV0d29ya2luZw0KICAgIFdHIChz cHJpbmcpIHRvIGNvbnNpZGVyIHRoZSBmb2xsb3dpbmcgZG9jdW1lbnQ6IC0gJ1NlZ21lbnQgUm91 dGluZyB3aXRoIE1QTFMNCiAgICBkYXRhIHBsYW5lJw0KICAgICAgPGRyYWZ0LWlldGYtc3ByaW5n LXNlZ21lbnQtcm91dGluZy1tcGxzLTE4LnR4dD4gYXMgUHJvcG9zZWQgU3RhbmRhcmQNCiAgICAN CiAgICBUaGUgSUVTRyBwbGFucyB0byBtYWtlIGEgZGVjaXNpb24gaW4gdGhlIG5leHQgZmV3IHdl ZWtzLCBhbmQgc29saWNpdHMgZmluYWwNCiAgICBjb21tZW50cyBvbiB0aGlzIGFjdGlvbi4gUGxl YXNlIHNlbmQgc3Vic3RhbnRpdmUgY29tbWVudHMgdG8gdGhlDQogICAgaWV0ZkBpZXRmLm9yZyBt YWlsaW5nIGxpc3RzIGJ5IDIwMTktMDMtMDcuIEV4Y2VwdGlvbmFsbHksIGNvbW1lbnRzIG1heSBi ZQ0KICAgIHNlbnQgdG8gaWVzZ0BpZXRmLm9yZyBpbnN0ZWFkLiBJbiBlaXRoZXIgY2FzZSwgcGxl YXNlIHJldGFpbiB0aGUgYmVnaW5uaW5nDQogICAgb2YNCiAgICB0aGUgU3ViamVjdCBsaW5lIHRv IGFsbG93IGF1dG9tYXRlZCBzb3J0aW5nLg0KICAgIA0KICAgIEFic3RyYWN0DQogICAgDQogICAg DQogICAgICAgU2VnbWVudCBSb3V0aW5nIChTUikgbGV2ZXJhZ2VzIHRoZSBzb3VyY2Ugcm91dGlu ZyBwYXJhZGlnbS4gIEEgbm9kZQ0KICAgICAgIHN0ZWVycyBhIHBhY2tldCB0aHJvdWdoIGEgY29u dHJvbGxlZCBzZXQgb2YgaW5zdHJ1Y3Rpb25zLCBjYWxsZWQNCiAgICAgICBzZWdtZW50cywgYnkg cHJlcGVuZGluZyB0aGUgcGFja2V0IHdpdGggYW4gU1IgaGVhZGVyLiAgSW4gdGhlIE1QTFMNCiAg ICAgICBkYXRhcGxhbmUsIHRoZSBTUiBoZWFkZXIgaXMgaW5zdGFudGlhdGVkIHRocm91Z2ggYSBs YWJlbCBzdGFjay4gVGhpcw0KICAgICAgIGRvY3VtZW50IHNwZWNpZmllcyB0aGUgZm9yd2FyZGlu ZyBiZWhhdmlvciB0byBhbGxvdyBpbnN0YW50aWF0aW5nIFNSDQogICAgICAgb3ZlciB0aGUgTVBM UyBkYXRhcGxhbmUuDQogICAgDQogICAgDQogICAgDQogICAgDQogICAgVGhlIGZpbGUgY2FuIGJl IG9idGFpbmVkIHZpYQ0KICAgIGh0dHBzOi8vZGF0YXRyYWNrZXIuaWV0Zi5vcmcvZG9jL2RyYWZ0 LWlldGYtc3ByaW5nLXNlZ21lbnQtcm91dGluZy1tcGxzLw0KICAgIA0KICAgIElFU0cgZGlzY3Vz c2lvbiBjYW4gYmUgdHJhY2tlZCB2aWENCiAgICBodHRwczovL2RhdGF0cmFja2VyLmlldGYub3Jn L2RvYy9kcmFmdC1pZXRmLXNwcmluZy1zZWdtZW50LXJvdXRpbmctbXBscy9iYWxsDQogICAgb3Qv DQogICAgDQogICAgVGhlIGZvbGxvd2luZyBJUFIgRGVjbGFyYXRpb25zIG1heSBiZSByZWxhdGVk IHRvIHRoaXMgSS1EOg0KICAgIA0KICAgICAgIGh0dHBzOi8vZGF0YXRyYWNrZXIuaWV0Zi5vcmcv aXByLzI4ODAvDQogICAgICAgaHR0cHM6Ly9kYXRhdHJhY2tlci5pZXRmLm9yZy9pcHIvMjQ1My8N CiAgICAgICBodHRwczovL2RhdGF0cmFja2VyLmlldGYub3JnL2lwci8yNDU0Lw0KICAgIA0KICAg IA0KICAgIA0KICAgIA0KICAgIA0KICAgIF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fDQogICAgc3ByaW5nIG1haWxpbmcgbGlzdA0KICAgIHNwcmluZ0BpZXRm Lm9yZw0KICAgIGh0dHBzOi8vd3d3LmlldGYub3JnL21haWxtYW4vbGlzdGluZm8vc3ByaW5nDQog ICAgDQogICAgX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18N CiAgICBzcHJpbmcgbWFpbGluZyBsaXN0DQogICAgc3ByaW5nQGlldGYub3JnDQogICAgaHR0cHM6 Ly93d3cuaWV0Zi5vcmcvbWFpbG1hbi9saXN0aW5mby9zcHJpbmcNCiAgICANCg0K From nobody Thu Feb 28 06:34:22 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 83208130EA1; 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d=cisco.com; i=@cisco.com; l=2694; q=dns/txt; s=iport; t=1551364452; x=1552574052; h=subject:to:references:cc:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=MvK764tadjaQOagAcXULHkWkOFxkX0nr4fqRv0XoykE=; b=XW4r31G4YIwBKy4FzMELVtM6DyX8giZtjk1gROI7RT9KFpg8fTFInj3Z CnJ1lPXTwI72cA3sjNd+m/Pdv6JrlFmeMXMqXQMsCylQdm+kcLXUbvDyP /fPc80fjt92ehe+1+m6+DcMPL1LR7Oi2Zjt+rxO1A8igY3ZvmPIQhCeY2 A=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0ADAADc73dc/xbLJq1kGQEBAQEBAQE?= =?us-ascii?q?BAQEBAQcBAQEBAQGBUQQBAQEBAQsBgmxRIBInhAiIGl+Me5gggXsNGA2EAUY?= =?us-ascii?q?ChDY0CQ0BAwEBAwEDAm0cDIVKAQEBBAEBIRU2CwwECxEEAQEBAgIfBwICJx8?= =?us-ascii?q?JCAcMBgIBAYMcAYFyD6wMgS+ELwETQUCEYwWBC4tUgUA/gREngmuDHgEBAgE?= =?us-ascii?q?BhGeCVwKRI5JHCYdCiyIGGYFzhV+DIIgqil2FVoxogUc4gVYzGggbFTuCbIJ?= =?us-ascii?q?SiEyFQD4DMJFxAQE?= X-IronPort-AV: E=Sophos;i="5.58,423,1544486400"; d="scan'208";a="10465738" Received: from aer-iport-nat.cisco.com (HELO aer-core-3.cisco.com) ([173.38.203.22]) by aer-iport-1.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Feb 2019 14:34:09 +0000 Received: from [10.147.24.31] ([10.147.24.31]) by aer-core-3.cisco.com (8.15.2/8.15.2) with ESMTP id x1SEY8Ta014357; Thu, 28 Feb 2019 14:34:09 GMT To: adrian@olddog.co.uk, ietf@ietf.org References: <155077450563.18620.1730285391843881930.idtracker@ietfa.amsl.com> <049c01d4ce19$1c2fdcb0$548f9610$@olddog.co.uk> Cc: spring-chairs@ietf.org, draft-ietf-spring-segment-routing-mpls@ietf.org, spring@ietf.org, martin.vigoureux@nokia.com, shraddha@juniper.net From: Peter Psenak Message-ID: Date: Thu, 28 Feb 2019 15:34:08 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <049c01d4ce19$1c2fdcb0$548f9610$@olddog.co.uk> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Outbound-SMTP-Client: 10.147.24.31, [10.147.24.31] X-Outbound-Node: aer-core-3.cisco.com Archived-At: Subject: Re: [spring] Last Call: (Segment Routing with MPLS data plane) to Proposed Standard X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Feb 2019 14:34:16 -0000 I agree. Several other documents that are referencing this draft are waiting for it to become RFC. Peter On 26/02/2019 22:20 , Adrian Farrel wrote: > This draft has been around the block a bit, but certainly needs to progress > because a lot of other things are dependent on it. > > Fortunately after plenty of review and updates (thanks to the authors), I > think it is now ready to become an RFC. > > Adrian > > -----Original Message----- > From: spring On Behalf Of The IESG > Sent: 21 February 2019 18:42 > To: IETF-Announce > Cc: martin.vigoureux@nokia.com; > draft-ietf-spring-segment-routing-mpls@ietf.org; spring@ietf.org; > spring-chairs@ietf.org; shraddha@juniper.net > Subject: [spring] Last Call: > (Segment Routing with MPLS data plane) to Proposed Standard > > > The IESG has received a request from the Source Packet Routing in Networking > WG (spring) to consider the following document: - 'Segment Routing with MPLS > data plane' > as Proposed 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 2019-03-07. 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 > > > Segment Routing (SR) leverages the source routing paradigm. A node > steers a packet through a controlled set of instructions, called > segments, by prepending the packet with an SR header. In the MPLS > dataplane, the SR header is instantiated through a label stack. This > document specifies the forwarding behavior to allow instantiating SR > over the MPLS dataplane. > > > > > The file can be obtained via > https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/ > > IESG discussion can be tracked via > https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/ball > ot/ > > The following IPR Declarations may be related to this I-D: > > https://datatracker.ietf.org/ipr/2880/ > https://datatracker.ietf.org/ipr/2453/ > https://datatracker.ietf.org/ipr/2454/ > > > > > > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring > > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring > From nobody Thu Feb 28 09:21:28 2019 Return-Path: X-Original-To: spring@ietf.org Delivered-To: spring@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 9C37A130E9F; Thu, 28 Feb 2019 09:21:20 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: spring@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.92.1 Auto-Submitted: auto-generated Precedence: bulk Reply-To: spring@ietf.org Message-ID: <155137448058.28701.16699008017959425285@ietfa.amsl.com> Date: Thu, 28 Feb 2019 09:21:20 -0800 Archived-At: Subject: [spring] I-D Action: draft-ietf-spring-sr-yang-12.txt X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Feb 2019 17:21:21 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Source Packet Routing in Networking WG of the IETF. Title : YANG Data Model for Segment Routing Authors : Stephane Litkowski Yingzhen Qu Acee Lindem Pushpasis Sarkar Jeff Tantsura Filename : draft-ietf-spring-sr-yang-12.txt Pages : 27 Date : 2019-02-28 Abstract: This document defines a YANG data model ([RFC6020], [RFC7950]) for segment routing ([RFC8402]) configuration and operation. This YANG model is intended to be used on network elements to configure or operate segment routing. This document defines also generic containers that SHOULD be reused by IGP protocol modules to support segment routing. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-spring-sr-yang/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-spring-sr-yang-12 https://datatracker.ietf.org/doc/html/draft-ietf-spring-sr-yang-12 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-spring-sr-yang-12 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. 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Thu, 28 Feb 2019 18:19:23 +0000 From: Alexander Vainshtein To: "draft-ietf-isis-segment-routing-extensions@ietf.org" CC: "lsr@ietf.org" , "spring@ietf.org" Thread-Topic: FlexAlgo and Global Adj-SIDs Thread-Index: AdTPjdP9QRfJ5GzARfmqN1/BpEhW0g== Date: Thu, 28 Feb 2019 18:19:23 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [147.234.241.1] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: e411cffd-ac30-4046-d035-08d69da94424 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600127)(711020)(4605104)(4618075)(2017052603328)(7153060)(7193020); SRVR:AM6PR03MB4344; x-ms-traffictypediagnostic: AM6PR03MB4344: x-ms-exchange-purlcount: 2 x-microsoft-exchange-diagnostics: =?us-ascii?Q?1; AM6PR03MB4344; 23:qKBfrILj/nYG4kw8+cUXOSVsH22ayI+l2MY5WRjTd?= =?us-ascii?Q?KO7RcMtSJhjTB35stnHycRa4GKBSQNtjAyhzZQEnUZW6q+UdZzNKUlznJDBy?= =?us-ascii?Q?urG4OuIt3PDGwb10BCiRw2w6MCZ3wXRRcKs+ELbigdx8GK9sr5bJp+hKoXrg?= =?us-ascii?Q?ORRiw6aejd8bfNPghp1JS0QPS3TNnGf/seRgIGLfT/NIzR6J6iSc9T/IuoCp?= =?us-ascii?Q?kpNfjjCR00JObNmNtXhvPkUkB0n/YMI0DY6jv2Rp8ZxhRBiSqULq1RuyB7/5?= =?us-ascii?Q?Rz4zE86VwJHHx7R7yDCHeJFZOxNMaScRIEU9JsLbGKiH7wbwpn2CrxiwxbuK?= =?us-ascii?Q?171yzl04fCW+jJgqEUKQ3Hrqef1j5HbUHihVQwCwiMIBoz0sskLsLjXy3Kia?= =?us-ascii?Q?LVka3g8tNGQqFwMwg5wLe3nJto9S3wu6AioTdYR4C7OB09o4OGpi9aEbQprA?= =?us-ascii?Q?kt2cOds8BnCi70AWPtoAz9KSEMi9dtkGU4z9VNZifqYiDBZMvTFGNQPhJ9SP?= =?us-ascii?Q?EIROkYfI2u2ocBH1X1RzbqkssSy8yYVRw1htEjm2xTy2mi+/N4gEYsDx6fjG?= =?us-ascii?Q?lndfrdjmSR6AlEQwc8l+fBKv/LPslxvX2ciWlC9tvd68aeHhM/1D/3z3by5P?= =?us-ascii?Q?erwFntJkx5jZNpv03y01ZLWnfjKbJMAdU3yo/AhCvMyKQFAOpY/yn7pGR0AH?= =?us-ascii?Q?KNKdm3ycY5JV8id2VUq60WLKCTU1exvJYQJVBRUOavNjbRhSDhfqJ4j1AbkC?= =?us-ascii?Q?M65K/5OUymZvbo9eQD70OQBj4nTuvtwvpzyhgSBppZke6bE1do7YsINL9AE0?= =?us-ascii?Q?mdJQohHYrJ8qJf1Yc8mr23PShAUNxsl05snqRNouo7Wvw5DArM5kn4iOg+dp?= =?us-ascii?Q?EQGBkXHwP95B3n5Ege46fKIyiGQusVnzIap+PI0e4d35H8qDm5yAV6zVZkaA?= =?us-ascii?Q?zIM3Por4WK6ZA5CgVOK6QbT/XmpLe03xfuE0s13IiE2ur4SLhEzwBp0N4Zyx?= =?us-ascii?Q?mBhurqffUIzODLkqTB35+ps5ad+OYs+6BO8Rtt9gU4q8h69M6+fqWH4BCIdK?= =?us-ascii?Q?SajE6JQvdVRTpJK0J9D6RPvDGg/WW60voM8EYyLGU5ZuNY/cugby9GtYwBMI?= =?us-ascii?Q?rOAiOKcrGpSYa+CCo3Y1vT0P1dSr1ZHr+rEZBy29Tbjre5zk9i8lKVUxAYQm?= =?us-ascii?Q?kjtPOkBw//BqB/eWSaWgURO5SmI/QnG4fzT35S5TQfdd8DLOs97valmRJhYi?= =?us-ascii?Q?HCmvTyqDKTfos8ECSurYF26UUkI23c0Gvu5+LmiE6BEChoT36BZ2T6TKbh8G?= =?us-ascii?Q?zHDieD7uofjWu460C8FeUxWDgaMdxmPe7poPlfoqGYMIz/L7cimGOUCpiaqi?= =?us-ascii?Q?abu9n29EnqJDjt2ZeN/U1lYX/o=3D?= x-microsoft-antispam-prvs: x-forefront-prvs: 0962D394D2 x-forefront-antispam-report: SFV:NSPM; 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boundary="_000_AM6PR03MB38302990EFFB7482B5C7F55F9D750AM6PR03MB3830eurp_" MIME-Version: 1.0 X-OriginatorOrg: ecitele.com X-MS-Exchange-CrossTenant-Network-Message-Id: e411cffd-ac30-4046-d035-08d69da94424 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Feb 2019 18:19:23.6119 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 2c514a61-08de-4519-b4c0-921fef62c42a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR03MB4344 X-CFilter-Loop: Reflected Archived-At: Subject: [spring] FlexAlgo and Global Adj-SIDs X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Feb 2019 18:19:38 -0000 --_000_AM6PR03MB38302990EFFB7482B5C7F55F9D750AM6PR03MB3830eurp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Dear colleagues, I have a question regarding global Adj-SIDs in draft-ietf-isis-segment-rou= ting-extensions. Section 3.4 of RFC 8402 defines defi= nition and handling of global Adj-SIDs. The relevant text is given below: Similarly, when using a global Adj-SID, a packet injected anywhere within the SR domain with a segment list {SNL}, where SNL is a global Adj-SID attached by node N to its adjacency over link L, will be forwarded along the shortest path to N and then be switched by N, without any IP shortest-path consideration, towards link L. ... The use of global Adj-SID allows to reduce the size of the segment list= When expressing a path at the cost of additional state (i.e., the globa= l Adj-SID will be inserted by all routers within the area in their forwarding table). The definition of the Adjacency Segment Identifier Sub-TLV in Section 2.2.= 1 of the draft matches the behavior defined in RFC 8402, i.e., it allows a= dvertisement of global Adj-SIDs. These advertisements can be associated with a specific IGP adjacency and, = in multi-topology scenarios, a specific topology. But it is not associated= with any specific algorithm since the default algorithm for reaching the = advertising node is implicitly assumed in full alignment with RFC 8402. My question is about the situation in which multiple algorithms are suppor= ted by the routers in the SR domain, so that each node advertises a dedica= ted Node SID for each of these algorithm. In this scenario, the operator can set up a SR-TE LSP that meets specific = constraints (incorporated in one of these algorithms, see IGP Flexible Alg= orithm draft) by = using Node SIDs that have been advertised with the corresponding algorithm= and local Adj-SIDs. However, global Adj-SIDs cannot be used (e.g., for re= ducing the label stack depth) in this situation. I wonder if the possibility to advertise global Adj-SID (that can be consi= dered as replacing a combination of the Node SID of the advertising node a= nd one of its local Adj-SIDs) as associated with a specific algorithm has = ever been considered? Regards, and lots of thanks in advance, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com __________________________________________________________________________= _ This e-mail message is intended for the recipient only and contains inform= ation which is=20 CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have rece= ived this=20 transmission in error, please inform us by e-mail, phone or fax, and then = delete the original=20 and all copies thereof. __________________________________________________________________________= _ --_000_AM6PR03MB38302990EFFB7482B5C7F55F9D750AM6PR03MB3830eurp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Dear colleagues,

I have a question regarding global Adj-SIDs in draf= t-ietf-isis-segment-routing-extensions.

 

Section 3.4 of RFC 8402  defines definition and handling of global Adj-SIDs.

The relevant text is given below:

 

<quote>

   Similarly, when using a global = Adj-SID, a packet injected anywhere

   within the SR domain with a seg= ment list {SNL}, where SNL is a global

   Adj-SID attached by node N to i= ts adjacency over link L, will be<= /span>

 = ;  forwarded along the shortest path to N and then be switched by N,

   without any IP shortest-path co= nsideration, towards link L.

...

   The use of global Adj-SID al=
lows to reduce the size of the segment list 
   When expressing a path =
at the cost of additional state (i.e., the global
   Adj-SID will be inserted by =
all routers within the area in their
   forwarding table).

<end quote>

 

The definition of the Adjacency Segment Identifier = Sub-TLV in Section 2.2.1 of the draft matches the behavior defined in RFC = 8402, i.e., it allows advertisement of global Adj-SIDs.

These advertisements can be associated with a speci= fic IGP adjacency and, in multi-topology scenarios, a specific topology. B= ut it is not associated with any specific algorithm since the default algo= rithm for reaching the advertising node is implicitly assumed in full alignment with RFC 8402.

 

My question is about the situation in which multipl= e algorithms are supported by the routers in the SR domain, so that each n= ode advertises a dedicated Node SID for=20each of these algorithm.

In this scenario, the operator can set up a SR-TE L= SP that meets specific constraints (incorporated in one of these algorithm= s, see IGP Fl= exible Algorithm draft) by using Node SIDs that have been advertised w= ith the corresponding algorithm and local Adj-SIDs. However, global Adj-SI= Ds cannot be used (e.g., for reducing the label stack depth) in this situation.

I wonder if the possibility to advertise global Adj= -SID (that can be considered as replacing a combination of the Node SID of= the advertising node and one of its local Adj-SIDs) as associated with a = specific algorithm has ever been considered?

 

Regards, and lots of thanks in advance,<= /p>

Sasha

 

Office: +972-39266302

Cell:      +972-549266= 302

Email:   Alexander.Vainshtein@ecitele.com=

 


__________________________________________________________________________= _

This e-mail message is intended for the recipient only and contains inform= ation which is
CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have rece= ived this
transmission in error, please inform us by e-mail, phone or fax, and then = delete the original
and all copies thereof.
__________________________________________________________________________= _
--_000_AM6PR03MB38302990EFFB7482B5C7F55F9D750AM6PR03MB3830eurp_-- From nobody Thu Feb 28 11:57:05 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B01F2130EFE; Thu, 28 Feb 2019 11:56:55 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.501 X-Spam-Level: X-Spam-Status: No, score=-14.501 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com 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 vvbvy-63nytI; Thu, 28 Feb 2019 11:56:53 -0800 (PST) Received: from aer-iport-4.cisco.com (aer-iport-4.cisco.com [173.38.203.54]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 8D5A5124BF6; Thu, 28 Feb 2019 11:56:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=3659; q=dns/txt; s=iport; t=1551383813; x=1552593413; h=subject:to:references:cc:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=yZ/K0FjA5udzeW66QCHrTO84vuyPO8bVnEhlCf60yn8=; b=hSPqw1rBF38Tpufl9vazGgHADhv1X56CoVucn6uMOevai3sGGtWWHJc7 peu0BHqpK+M60YSmS2sqWbqxWuPMh9rtkOOT+/2+WtcQF1eKD4sPO7vCz 5HRtPGAOntYh2oIgZ+y/Puxb9Opox+Ir9pP7ASonA982yQTYTM/cKxWdk g=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0AHAADwO3hc/xbLJq1lGQEBAQEBAQE?= =?us-ascii?q?BAQEBAQcBAQEBAQGBUwIBAQEBAQsBgmxxEieNAYx8mCAUgWcNGAuEA0YChDY?= =?us-ascii?q?2Bw0BAwEBAwEDAm0cDIVLAQEEAQE2NgsOAgsYLhYRMAYBDAYCAQGDHAGBcg+?= =?us-ascii?q?tXIQzAoEPhGcFBYxagUA/gRAogmuDHgEBA4EmBQESAUuFNQKJcYcykkcJh0K?= =?us-ascii?q?BGooIBhmBc4VfgyCIKopdhVaMaIFOATBlcTMaCBsVO4JsgigXiF+FQD4DMI1?= =?us-ascii?q?/gj4BAQ?= X-IronPort-AV: E=Sophos;i="5.58,424,1544486400"; d="scan'208";a="10409662" Received: from aer-iport-nat.cisco.com (HELO aer-core-3.cisco.com) ([173.38.203.22]) by aer-iport-4.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Feb 2019 19:56:50 +0000 Received: from [10.60.140.54] (ams-ppsenak-nitro5.cisco.com [10.60.140.54]) by aer-core-3.cisco.com (8.15.2/8.15.2) with ESMTP id x1SJunFu003598; Thu, 28 Feb 2019 19:56:49 GMT To: Alexander Vainshtein , "draft-ietf-isis-segment-routing-extensions@ietf.org" References: Cc: "lsr@ietf.org" , "spring@ietf.org" From: Peter Psenak Message-ID: <20493a62-cf70-a182-900d-e55dd68f5149@cisco.com> Date: Thu, 28 Feb 2019 20:56:49 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Outbound-SMTP-Client: 10.60.140.54, ams-ppsenak-nitro5.cisco.com X-Outbound-Node: aer-core-3.cisco.com Archived-At: Subject: Re: [spring] FlexAlgo and Global Adj-SIDs X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Feb 2019 19:56:56 -0000 Hi Alexander, On 28/02/2019 19:19 , Alexander Vainshtein wrote: > Dear colleagues, > > I have a question regarding global Adj-SIDs in > draft-ietf-isis-segment-routing-extensions. > > > > Section 3.4 of RFC 8402 defines > definition and handling of global Adj-SIDs. > > The relevant text is given below: > > > > > > Similarly, when using a global Adj-SID, a packet injected anywhere > > within the SR domain with a segment list {SNL}, where SNL is a global > > Adj-SID attached by node N to its adjacency over link L, will be > > forwarded along the shortest path to Nand then be switched by N, > > without any IP shortest-path consideration, towards link L. > > ... > > The use of global Adj-SID allows to reduce the size of the segment list > > When expressing a path at the cost of additional state (i.e., the global > > Adj-SID will be inserted by all routers within the area in their > > forwarding table). > > > > > > The definition of the Adjacency Segment Identifier Sub-TLV in Section > 2.2.1 of the draft matches the behavior defined in RFC 8402, i.e., it > allows advertisement of global Adj-SIDs. > > These advertisements can be associated with a specific IGP adjacency > and, in multi-topology scenarios, a specific topology. But it is not > associated with any specific algorithm since the default algorithm for > reaching the advertising node is implicitly assumed in full alignment > with RFC 8402. > > > > My question is about the situation in which multiple algorithms are > supported by the routers in the SR domain, so that each node advertises > a dedicated Node SID for each of these algorithm. > > In this scenario, the operator can set up a SR-TE LSP that meets > specific constraints (incorporated in one of these algorithms, see IGP > Flexible Algorithm > draft) by > using Node SIDs that have been advertised with the corresponding > algorithm and local Adj-SIDs. However, global Adj-SIDs cannot be used > (e.g., for reducing the label stack depth) in this situation. > > I wonder if the possibility to advertise global Adj-SID (that can be > considered as replacing a combination of the Node SID of the advertising > node and one of its local Adj-SIDs) as associated with a specific > algorithm has ever been considered? to be honest, it has been not. The usage of the global Adj-SID has not been widely considered due to the additional forwarding entries it requires on rest of the routers in the area. Not sure if there are implementations of the global ADj-SID out there. If you believe this is important, we can certainly addressed that in a small draft. thanks, Peter > > > > Regards, and lots of thanks in advance, > > Sasha > > > > Office: +972-39266302 > > Cell: +972-549266302 > > Email: Alexander.Vainshtein@ecitele.com > > > > > ___________________________________________________________________________ > > This e-mail message is intended for the recipient only and contains > information which is > CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have > received this > transmission in error, please inform us by e-mail, phone or fax, and > then delete the original > and all copies thereof. > ___________________________________________________________________________ > > > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring > From nobody Thu Feb 28 16:05:32 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CFA9F1310BE; Thu, 28 Feb 2019 16:05:23 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id AK3HmngLGfE8; Thu, 28 Feb 2019 16:05:21 -0800 (PST) Received: from mail-lf1-x12c.google.com (mail-lf1-x12c.google.com [IPv6:2a00:1450:4864:20::12c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 764A412DDA3; Thu, 28 Feb 2019 16:05:17 -0800 (PST) Received: by mail-lf1-x12c.google.com with SMTP id a8so10857628lfi.7; Thu, 28 Feb 2019 16:05:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=8q6u60fIcvNCH6fpR63S/2+Vc+5SNX+J8wNIb259puY=; b=PTQUQapKfDQ5YdDE5xHZYSMPx6cdramQJGvkmbQtEWzkjhw10I5v2to3k7dY/RpiVx oPWM8UafgEwkgcpwYZuXh8Sr3FasnEtrMDwUiEmkT/gOL3SbzD+cQw8YUgcSQKaU6eYM 0TAWt7xDKtSAgqqeMsyA5ciq+ZhuJhBMwaMO0IIXUFQFKbxaE1yYghXo+Y4/yGIBbkpA 759CBmZGlUo/0pwpw/4vUBV1CLAhqfmc66K9AyLvHRHctqOGi/4kJUaV9WCwdCkwD0H8 t7DvM8qinfe4DaRVfNcJHDOxMZ/2aDLp3Zr5mkmX/YKDds2oliysWpmdRxdA5nl+zXaS rY8A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=8q6u60fIcvNCH6fpR63S/2+Vc+5SNX+J8wNIb259puY=; b=trzd9BtWccWFPR+Hx6HpI+A1QZ1Br/PZW8tIgZtZLPnAW7JgHG3YELwCjesWcsw03R bxYHtyS3Irq/m0zymjQIKg/l1S1ubzXJnwnjNt4epfoyGs62ImSQZV0juuSKuAp4X3u6 F2nSBZXZfDnhGIchmM9l2kZ8ViDTTRwpbl0qVKtx5xLOeuTfrFjBVTHH/zx7PQe4yy3K 4b/HsjiEWIR8+gcRgm8e6gEdm29U7dKQA2usuL0j7b/wiguCL6VN3pLoAfz6eLDwjFWu 5KWBYcjBvq73tNiDb9CLGGWNA/yCsF9wQfVm7ZBv5tGbASPl3kwj3fAjuZOpTdVPUTBh TZcw== X-Gm-Message-State: APjAAAVYLaOpqeIccFnFKl36WU0JSuYv5e9DWPYwsy9qAdxbbLc+uhK3 VCdq/MSTqNnq0a5LAEJg5EzXx+tEAaRmdCSu4JoSx9kC X-Google-Smtp-Source: APXvYqyP9xokj+ubbQpPNgr2/+WATyXL0WxW7JkPPLA0tcQcK2S0KzI7iyzoH+h1fF3hWAe//3X0nNYIX/+JeIUItj8= X-Received: by 2002:ac2:5603:: with SMTP id v3mr1195878lfd.145.1551398714980; Thu, 28 Feb 2019 16:05:14 -0800 (PST) MIME-Version: 1.0 From: Greg Mirsky Date: Thu, 28 Feb 2019 16:05:04 -0800 Message-ID: To: draft-gandhi-spring-twamp-srpm@ietf.org, spring , IETF IPPM WG Content-Type: multipart/alternative; boundary="0000000000004fbdc60582fd29a6" Archived-At: Subject: [spring] Comments on draft-gandhi-spring-twamp-srpm X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Mar 2019 00:05:24 -0000 --0000000000004fbdc60582fd29a6 Content-Type: text/plain; charset="UTF-8" Dear Authors, I've read the draft and would share my comments with SPRING and IPPM WGs: - Section 3.1.1 - what is introduced in this section? Note, that in OWAMP 'O' stands for 'one-way', i.e., the receiver collects the measurement results. RFC 4656 defines Client Fetch command to retrieve, possibly by the Session-Sender, the measurement results. - note that RFCs 4656 and 5357 defined the use only of NTP format for timestamps. The use of PTP format was introduced by RFC 8186 for TWAMP only as optional, not as the default mode. The default format for TWAMP-Test is still NTP format. You may consider using the mechanism defined for TWAMP-Control to change the default to PTP format. - Section 3.1.2 - a new format for Session-Sender's TWAMP-Test message introduced. Note, that the format for Session-Sender TWAMP-Test message is the same as defined in RFC 4656. If you want to define a new TWAMP-Test optional format it first must be negotiated through TWAMP-Control protocol as has been done for all TWAMP extensions. - how the format you've proposed is different from the one proposed earlier in draft-xiao-ippm-twamp-ext-direct-loss . - Your intention, if I understand correctly, is to support direct-mode loss measurement. draft-xiao-ippm-twamp-ext-direct-loss proposed that earlier and with proper TWAMP-Control extension. After the IPPM WG agreed to work on STAMP, authors of draft-xiao-ippm-twamp-ext-direct-loss and STAMP agreed to work together and now the direct-mode loss measurement is part of draft-mirsky-ippm-stamp-option-tlv . - the last bullet in the section refers to PSID but I couldn't find a PSID field in any of the displayed formats, authenticated or not. Is it for further versions? - Section 3.1.4.1 - what is illustrated in this sub-section? That TWAMP-Test message with IP/UDP encapsulation can be carried over SR-MPLS tunnel? - Section 3.1.4.2 - same question as above. - Section 4 - is the formula to calculate the packet loss using the direct-mode measurement is worth repeating in RFC? - Section 5 - without the discussion of the impact on the Session-Sender that reflected test packets may have, I cannot agree with the assumption: The procedures for delay and loss measurement described in this document for Point-to-Point (P2P) SR-MPLS Policies are also equally applicable to the Point-to-Multipoint (P2MP) SR Policies. - Section 7 - OWAMP and TWAMP use HMAC-SHA1 for integrity protection. If your intent is to use HMAC-SHA-256 in the authenticated mode for OWAMP and/or TWAMP, then it may be supported as an optional extension with the proper extension in their respective control protocols. Should note that the use of HMAC-SHA-256 for STAMP was discussed at IPPM WG meeting in Bangkok and now is documented in the latest version of STAMP. Regards, Greg --0000000000004fbdc60582fd29a6 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
=C2=A0Dear Authors,
I've read the draft = and would share my comments with SPRING and IPPM WGs:
  • Section 3.1.1
    • what is introduced in this section? Note= , that in OWAMP 'O' stands for 'one-way', i.e., the receive= r collects the measurement results. RFC 4656 defines Client Fetch command t= o retrieve, possibly by the Session-Sender, the measurement results.
      • note that RFCs 4656 and 5357 defined the use only of NTP format for times= tamps. The use of PTP format was introduced by RFC 8186 for TWAMP only as o= ptional, not as the default mode. The default format for TWAMP-Test is stil= l NTP format. You may consider using the mechanism defined for TWAMP-Contro= l to change the default=C2=A0to PTP format.
  • Section 3.1.2
    • =
    • a new format for Session-Sender's TWAMP-Test message introduced= . Note, that the format for Session-Sender TWAMP-Test message is the same a= s defined in RFC 4656. If you want to define a new TWAMP-Test optional form= at it first must be negotiated through TWAMP-Control protocol as has been d= one for all TWAMP extensions.
    • how the format you've proposed is= different from the one proposed earlier=C2=A0in=C2=A0draft-xiao-ippm= -twamp-ext-direct-loss.
    • Your intention, if I understand correct= ly, is to=C2=A0support=C2=A0direct-mode loss measurement.=C2=A0draft-xiao-i= ppm-twamp-ext-direct-loss proposed=C2=A0that=C2=A0earlier=C2=A0and=C2=A0wit= h proper=C2=A0TWAMP-Control extension. After=C2=A0the=C2=A0IPPM WG=C2=A0agr= eed=C2=A0to=C2=A0work on=C2=A0STAMP, authors=C2=A0of=C2=A0draft-xiao-ippm-t= wamp-ext-direct-loss and STAMP agreed to=C2=A0work together and now=C2=A0th= e direct-mode loss measurement=C2=A0is part of=C2=A0= draft-mirsky-ippm-stamp-option-tlv.
    • the last bullet in the sect= ion refers to PSID but I couldn't find a PSID field in any of the displ= ayed formats, authenticated or not. Is it for further versions?
    Section 3.1.4.1
    • what is illustrated in this sub-section? That= TWAMP-Test message with IP/UDP encapsulation can be carried over SR-MPLS t= unnel?
  • Section 3.1.4.2
    • same question as above.
  • Section 4
    • is the formula to calculate the packet loss= using the direct-mode measurement is worth repeating in RFC?
  • = Section 5
    • without the discussion of the impact on the Session-S= ender that reflected test packets may have, I cannot agree with the assumpt= ion:
=C2=A0 =C2=A0The procedures for delay and loss measurement describe= d in this
=C2=A0 =C2=A0document for Point-to-Point (P2P) SR-MPL= S Policies are also equally
=C2=A0 =C2=A0applicable to the Point-to-M= ultipoint (P2MP) SR Policies.
  • Section 7
    • OWAMP and TWAMP use HM= AC-SHA1 for integrity protection. If your intent is to use HMAC-SHA-256 in = the authenticated mode for OWAMP and/or TWAMP, then it may be supported as = an optional extension with the proper extension in their respective control= protocols. Should note that the use=C2=A0of HMAC-SHA-256 for STAMP was dis= cussed at IPPM WG meeting in Bangkok and now is documented in the latest ve= rsion of STAMP.
Regards,
Greg


--0000000000004fbdc60582fd29a6-- From nobody Thu Feb 28 16:21:17 2019 Return-Path: X-Original-To: spring@ietf.org Delivered-To: spring@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 60978130FE5; Thu, 28 Feb 2019 16:21:14 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Linda Dunbar To: Cc: spring@ietf.org, draft-ietf-spring-segment-routing-mpls.all@ietf.org, ietf@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.92.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <155139967435.28679.14505997897302676815@ietfa.amsl.com> Date: Thu, 28 Feb 2019 16:21:14 -0800 Archived-At: Subject: [spring] Secdir last call review of draft-ietf-spring-segment-routing-mpls-18 X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Mar 2019 00:21:15 -0000 Reviewer: Linda Dunbar Review result: Ready Reviewer: Linda Dunbar Review result: Ready I have reviewed this document as part of the security directorate's ongoing effort to review all IETF documents being processed by the IESG. These comments were written primarily for the benefit of the security area directors. Document editors and WG chairs should treat these comments just like any other last call comments. The document provides the detailed explanation of SR-MPLS processing in addition to RFC 8402. Since SR-MPLS are in the trusted domain, it is assumed that there is no malicious attacks to the nodes for the data plane and control plane. RFC8402 already has the good description on the Security Consideration for both SR-MPLS & SRv6. Linda Dunbar From nobody Thu Feb 28 19:30:11 2019 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id EC924130F32 for ; Thu, 28 Feb 2019 19:30:09 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.199 X-Spam-Level: X-Spam-Status: No, score=-4.199 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tWEXK_AL_5RZ for ; Thu, 28 Feb 2019 19:30:08 -0800 (PST) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id DDD2C130F18 for ; Thu, 28 Feb 2019 19:30:07 -0800 (PST) Received: from lhreml705-cah.china.huawei.com (unknown [172.18.7.107]) by Forcepoint Email with ESMTP id D3C57FE42EBE8AC89F69 for ; Fri, 1 Mar 2019 03:30:05 +0000 (GMT) Received: from DGGEMM423-HUB.china.huawei.com (10.1.198.40) by lhreml705-cah.china.huawei.com (10.201.108.46) with Microsoft SMTP Server (TLS) id 14.3.408.0; Fri, 1 Mar 2019 03:30:05 +0000 Received: from DGGEMM532-MBX.china.huawei.com ([169.254.7.46]) by dggemm423-hub.china.huawei.com ([10.1.198.40]) with mapi id 14.03.0415.000; Fri, 1 Mar 2019 11:30:02 +0800 From: Lizhenbin To: "spring@ietf.org" CC: "Pablo Camarillo (pcamaril)" Thread-Topic: draft-filsfils-spring-srv6-network-programming Thread-Index: AQHUxEMYTLF4iyOeokW8cF68mNwMJqX2M4KA Date: Fri, 1 Mar 2019 03:30:02 +0000 Message-ID: <5A5B4DE12C0DAC44AF501CD9A2B01A8D8F54EB4A@DGGEMM532-MBX.china.huawei.com> References: <808167FE-26AA-4262-A283-73554B7192A2@cisco.com> In-Reply-To: <808167FE-26AA-4262-A283-73554B7192A2@cisco.com> 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