From nobody Thu Aug 1 01:16:10 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 97DAA120141; Thu, 1 Aug 2019 01:16:08 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.99.1 Auto-Submitted: auto-generated Precedence: bulk Reply-To: pce@ietf.org Message-ID: <156464736852.19306.15443188619237639320@ietfa.amsl.com> Date: Thu, 01 Aug 2019 01:16:08 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-lsp-control-request-07.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Aug 2019 08:16:09 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : Ability for a Stateful Path Computation Element (PCE) to request and obtain control of a Label Switched Path (LSP) Authors : Aswatnarayan Raghuram Al Goddard Jay Karthik Siva Sivabalan Mahendra Singh Negi Filename : draft-ietf-pce-lsp-control-request-07.txt Pages : 12 Date : 2019-08-01 Abstract: A Stateful Path Computation Element (PCE) retains information about the placement of Multiprotocol Label Switching (MPLS) Traffic Engineering Label Switched Paths (TE LSPs). When a PCE has stateful control over LSPs it may send indications to LSP head-ends to modify the attributes (especially the paths) of the LSPs. A Path Computation Client (PCC) has set up LSPs under local configuration may delegate control of those LSPs to a stateful PCE. There are use-cases in which a stateful PCE may wish to obtain control of locally configured LSPs of which it is aware but that have not been delegated to the PCE. This document describes an extension to the Path Computation Element communication Protocol (PCEP) to enable a PCE to make such requests. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-lsp-control-request/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-lsp-control-request-07 https://datatracker.ietf.org/doc/html/draft-ietf-pce-lsp-control-request-07 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-lsp-control-request-07 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Thu Aug 1 01:21:56 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3AAAF120071; Thu, 1 Aug 2019 01:21:54 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.2 X-Spam-Level: X-Spam-Status: No, score=-4.2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_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 tyJfXWloqOCx; Thu, 1 Aug 2019 01:21:52 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B795912006A; Thu, 1 Aug 2019 01:21:52 -0700 (PDT) Received: from lhreml706-cah.china.huawei.com (unknown [172.18.7.107]) by Forcepoint Email with ESMTP id 24D69C12A6B2D1CA8461; Thu, 1 Aug 2019 09:21:51 +0100 (IST) Received: from dggeme703-chm.china.huawei.com (10.1.199.99) by lhreml706-cah.china.huawei.com (10.201.108.47) with Microsoft SMTP Server (TLS) id 14.3.408.0; Thu, 1 Aug 2019 09:21:50 +0100 Received: from dggeme754-chm.china.huawei.com (10.3.19.100) by dggeme703-chm.china.huawei.com (10.1.199.99) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Thu, 1 Aug 2019 16:21:48 +0800 Received: from dggeme754-chm.china.huawei.com ([10.6.80.77]) by dggeme754-chm.china.huawei.com ([10.6.80.77]) with mapi id 15.01.1591.008; Thu, 1 Aug 2019 16:21:48 +0800 From: Mahendra Singh Negi To: Tomonori Takeda CC: "draft-ietf-pce-lsp-control-request@ietf.org" , "BRUNGARD, DEBORAH A" , "pce@ietf.org" Thread-Topic: RtgDir review: draft-ietf-pce-lsp-control-request-06.txt Thread-Index: AdU7ds8A6Io6um+YQ0mmwR03HkJwkwC90znAAnTiT0A= Date: Thu, 1 Aug 2019 08:21:48 +0000 Message-ID: References: <001501d53b77$1d9775b0$58c66110$@hco.ntt.co.jp> In-Reply-To: Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.18.153.41] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [Pce] RtgDir review: draft-ietf-pce-lsp-control-request-06.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Aug 2019 08:21:54 -0000 Hi Tomonori, Many thanks for your review. New version addresses the comments: New Version: https://datatracker.ietf.org/doc/html/draft-ietf-pce-lsp-control-request-07 Diff with previous version: https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-pce-lsp-control-request-07 Regards, Mahendra -----Original Message----- From: Tomonori Takeda =20 Sent: Monday, July 15, 2019 9:38 PM To: rtg-ads@ietf.org Cc: rtg-dir@ietf.org; draft-ietf-pce-lsp-control-request.all@ietf.org; pce@= ietf.org Subject: RtgDir review: draft-ietf-pce-lsp-control-request-06.txt Hello, I have been selected as the Routing Directorate reviewer for this draft. Th= e Routing Directorate seeks to review all routing or routing-related drafts= as they pass through IETF last call and IESG review, and sometimes on spec= ial request. The purpose of the review is to provide assistance to the Rout= ing ADs. For more information about the Routing Directorate, please see htt= ps://urldefense.proofpoint.com/v2/url?u=3Dhttp-3A__trac.tools.ietf.org_area= _rtg_trac_wiki_RtgDir&d=3DDwICAg&c=3DLFYZ-o9_HUMeMTSQicvjIg&r=3D6UhGpW9lwi9= dM7jYlxXD8w&m=3DEY53_4FU97aSiZY1AQpXTblgh2QhRlBT4hCaV9T8nEk&s=3Di4tooGNHNlm= KvITJy6x1OpuH-NBr6L-eLQzcPF6KWBg&e=3D Although these comments are primarily for the use of the Routing ADs, it wo= uld be helpful if you could consider them along with any other IETF Last Ca= ll comments that you receive, and strive to resolve them through discussion= or by updating the draft. Document: draft-ietf-pce-lsp-control-request-06.txt Reviewer: Tomonori Takeda Review Date: July 16th, 2019 IETF LC End Date: Not known Intended Status: Standards Track Summary:=20 This document is basically ready for publication, but has nits that should = be considered prior to publication. Comments: This document specifies a PCEP extension by which a PCE can request control= of LSP(s) from PCC(s) over the stateful PCEP sessions. The procotol extension is simple, and its operation is well documented, inc= luding operation with PCCs that do not support the protocol extension speci= fied in this document. Major Issues: None Minor Issues: None Nits: 1) In Section 2, it states terminologies. Since these terminologies are alr= eady defined in other documents, I would suggest to add references. 2) In Section 8.1, it says: "Further, the operator MAY be to be allowed " It should be: "Further, the operator MAY be allowed " Thanks, Tomonori Takeda From nobody Thu Aug 1 08:24:04 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 795C1120103 for ; Thu, 1 Aug 2019 08:24:03 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VJj7cNx3WjQC for ; Thu, 1 Aug 2019 08:24:02 -0700 (PDT) Received: from mail-io1-xd31.google.com (mail-io1-xd31.google.com [IPv6:2607:f8b0:4864:20::d31]) (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 E97DA1200F3 for ; Thu, 1 Aug 2019 08:24:01 -0700 (PDT) Received: by mail-io1-xd31.google.com with SMTP id s7so145048766iob.11 for ; Thu, 01 Aug 2019 08:24:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=KNvE/fjwM1WWCEVuXnqNj1SWSxKus9aadbcXIAde5Uc=; b=ZwTAYFq6j7LhvgSvmqBAAgs5EkLuHH4hLHMeUc2JcxCcrYtsiksZpBlrLdVSVFBLT/ yduMi6hRPJHv844rHdK/bwcJhpzYdtDJn/+B4zze218wRokmO1WaNaxS7806MKySuYK+ t1IRlx+bOpBIvi98WQezbZ1PYBz/dHHEuylr5W7AsYD+D3zAuVeHXoybfF2jQTxc+mPo SRNZr0syZDnZ4rC2XioVztJebfSAXVkPe5V5J+bFHUVdK6AtryTylp4wzW0mkB3FJ8y6 Y8qCvUNRpBcqdLghIthol7DTYKSx4gsGldYnOC5T2PzM6emQH70zuRNbgm0IPdYOQa6G i+/g== 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=KNvE/fjwM1WWCEVuXnqNj1SWSxKus9aadbcXIAde5Uc=; b=bR1tZsalaQPo28Lt/PlbDy1tNSx/TGLUbRUNDtWUqm9DT5n6iL8b+m9BvhEaPjq79G V5MIsm6yAG0d1YE6u08gZlZVHwtbQqIwxPSn4njlRFtQ6JF+ZWJmF/BM4SeCjEnuwFcn mtBtdLT0njI8xr47P6nbyEkIQ+SLwIGjT/ywaJuqc4oSisv5+UJRN9sGN0qSUNPHvKC3 u7npQuc8i4u9xgYkCTWkVHeHOA58AbLdBRg5OHMZB80FftNbRsDbMGyaS8Qy9f+OLmR2 GwoJb8IBLnh94Fk7Z8Fk5SVd/jK0dgg2KVqvMIWW14PEQzyoKX0ICBxA5LmoGaeyh0d9 Fn9g== X-Gm-Message-State: APjAAAUdU2jdiSMEnSxpQycj65GI2My0WQUmLxUTSVeuQ/2iiku0xG02 ER9mluY346zLDkLqupbDEmAeusixaCebky9haWQkSu9Uu7Y= X-Google-Smtp-Source: APXvYqw3lm5TFI+lWNpvVfaFp9B0NFGYiAkwz+ZgNtfkvkBwb0Ao8fYA1KAJ8JPtvAtTocTdvmwXkxwmtzVINAvUu/k= X-Received: by 2002:a5d:890d:: with SMTP id b13mr3795180ion.124.1564673040906; Thu, 01 Aug 2019 08:24:00 -0700 (PDT) MIME-Version: 1.0 From: Dhruv Dhody Date: Thu, 1 Aug 2019 20:53:24 +0530 Message-ID: To: pce@ietf.org Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: [Pce] PCE WG Minutes X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Aug 2019 15:24:04 -0000 Hi WG, The PCE WG minutes are posted -https://datatracker.ietf.org/doc/minutes-105-pce/ Thanks Hari for taking the notes and anyone else who contributed on etherpad. If you have any corrections, please reach out to pce-chairs@ietf.org. Thanks! PCE Chairs & Secretary From nobody Thu Aug 1 09:07:21 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id C8DE41201A1; Thu, 1 Aug 2019 09:07:13 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.99.1 Auto-Submitted: auto-generated Precedence: bulk Reply-To: pce@ietf.org Message-ID: <156467563373.19359.11564356401313314128@ietfa.amsl.com> Date: Thu, 01 Aug 2019 09:07:13 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-association-group-10.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Aug 2019 16:07:14 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : Path Computation Element Communication Protocol (PCEP) Extensions for Establishing Relationships Between Sets of Label Switched Paths (LSPs) Authors : Ina Minei Edward Crabbe Siva Sivabalan Hariharan Ananthakrishnan Dhruv Dhody Yosuke Tanaka Filename : draft-ietf-pce-association-group-10.txt Pages : 30 Date : 2019-08-01 Abstract: This document introduces a generic mechanism to create a grouping of Label Switched Paths (LSPs) in the context of a Path Computation Element (PCE). This grouping can then be used to define associations between sets of LSPs or between a set of LSPs and a set of attributes (such as configuration parameters or behaviours), and is equally applicable to the stateful PCE (active and passive modes) as well as the stateless PCE. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-association-group/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-association-group-10 https://datatracker.ietf.org/doc/html/draft-ietf-pce-association-group-10 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-association-group-10 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Thu Aug 1 14:46:49 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id EFD2C120248; Thu, 1 Aug 2019 14:46:30 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.99.1 Auto-Submitted: auto-generated Precedence: bulk Cc: The IESG , Julien Meuric , db3546@att.com, pce@ietf.org, pce-chairs@ietf.org, rfc-editor@rfc-editor.org, draft-ietf-pce-association-group@ietf.org, julien.meuric@orange.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Message-ID: <156469599097.19359.14909896383635275129.idtracker@ietfa.amsl.com> Date: Thu, 01 Aug 2019 14:46:30 -0700 Archived-At: Subject: [Pce] Protocol Action: 'PCEP Extensions for Establishing Relationships Between Sets of LSPs' to Proposed Standard (draft-ietf-pce-association-group-10.txt) X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Aug 2019 21:46:31 -0000 The IESG has approved the following document: - 'PCEP Extensions for Establishing Relationships Between Sets of LSPs' (draft-ietf-pce-association-group-10.txt) as Proposed Standard This document is the product of the Path Computation Element Working Group. The IESG contact persons are Alvaro Retana, Martin Vigoureux and Deborah Brungard. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-association-group/ Technical Summary This document introduces a generic mechanism to create a grouping of Label Switched Paths (LSPs) in the context of a Path Computation Element (PCE). This grouping can then be used to define associations between sets of LSPs or between a set of LSPs and a set of attributes (such as configuration parameters or behaviors), and is equally applicable to the stateful PCE (active and passive modes) as well as the stateless PCE. Working Group Summary The document has consensus and this defines the base specification for upcoming protocol extensions. Document Quality Several vendors are co-authors of this document as well as the subsequent ones. Some of them explicitly confirmed it was implemented. Early codepoint allocation was triggered because of implementations requirements. Personnel Who is the Document Shepherd for this document? Julien Meuric Who is the Responsible Area Director? Deborah Brungard From nobody Thu Aug 1 22:36:59 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 461E8120135; Thu, 1 Aug 2019 22:36:51 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.99.1 Auto-Submitted: auto-generated Precedence: bulk Reply-To: pce@ietf.org Message-ID: <156472421121.19175.2762215530405383961@ietfa.amsl.com> Date: Thu, 01 Aug 2019 22:36:51 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-stateful-path-protection-08.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Aug 2019 05:36:51 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : PCEP Extensions for Associating Working and Protection LSPs with Stateful PCE Authors : Hariharan Ananthakrishnan Siva Sivabalan Colby Barth Ina Minei Mahendra Singh Negi Filename : draft-ietf-pce-stateful-path-protection-08.txt Pages : 16 Date : 2019-08-01 Abstract: An active stateful Path Computation Element (PCE) is capable of computing as well as controlling via Path Computation Element Communication Protocol (PCEP) Multiprotocol Label Switching Traffic Engineering Label Switched Paths (MPLS LSP). Furthermore, it is also possible for an active stateful PCE to create, maintain, and delete LSPs. This document describes PCEP extension to associate two or more LSPs to provide end-to-end path protection. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-path-protection/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-stateful-path-protection-08 https://datatracker.ietf.org/doc/html/draft-ietf-pce-stateful-path-protection-08 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-stateful-path-protection-08 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Aug 5 03:45:40 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D8B5B12012D; Mon, 5 Aug 2019 03:45:36 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.997 X-Spam-Level: X-Spam-Status: No, score=-1.997 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=googlemail.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 oOp6RICf3cKJ; Mon, 5 Aug 2019 03:45:34 -0700 (PDT) Received: from mail-io1-xd2a.google.com (mail-io1-xd2a.google.com [IPv6:2607:f8b0:4864:20::d2a]) (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 9EAC3120168; Mon, 5 Aug 2019 03:45:34 -0700 (PDT) Received: by mail-io1-xd2a.google.com with SMTP id e20so33314252iob.9; Mon, 05 Aug 2019 03:45:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=rcCLW1h4/KAcusbCN/0Dj/RY2MlkFDT3bUcwj5tFQyg=; b=ntBDXx+gRvaejz9GBPuiytqUBNQVPDmhI4d7vpriv+rlAOg/xwjd0+eNBq7lzFsjiu wMm032qS0dLn2fnp+7EemeqlKM6feFLAmHV36qOGexOnCBmF1RwJmm+mx4FZnWbaiJ+/ 0Dvkib0ndbtWxkl8JcvvRWekacU3LVulzY2/K0rfbEpGY+BPmVDlJ++SJE+EN5sJRgO9 ZAXo5wYGVMIQHYa0JHvoyWlOD4MrXQfMWHFnGstkufl52FiC/1mRyMAQCc0oTHgK23Zj vfWnpGdW893Xixt7thgUtmztzOQ3iEvQZnKyGVZRvgXeMEqWwjm/hfa9bAl8ZT/Ptz9V VbwA== 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=rcCLW1h4/KAcusbCN/0Dj/RY2MlkFDT3bUcwj5tFQyg=; b=Am4pG19ttg8i8aitz+KFxfGogMAAjpLasQ2mInB3eiUU/gLodkikk6AVgaXNDyUruW 7clEDs14SYo6oOEi2TPVHXFwhlhuzQvKPZv7oIl+k6u/sqI/cNsLKA0VQyshno5QbEEd pX0wVFZ3Y01gb217i4FXz0L2HNOXFv4ue761Gd8kJoFWr5cVAP9UBIpn6i6x41i6iBOe 0sMbZ8jy6sDpBHh9plextxAAtUEeHXUBh+pocA2ospb/R5rzRZoo6dAGkKZV1nTVK9M1 tx9uFuMTO9eOEHbEAHPhtnCJ0Fo1Tav0CvwXq5UopozURG5KqgR7WuIGtIl+0cId5uPB Db7w== X-Gm-Message-State: APjAAAXaQ7rKlWEoonkNXq/FChMjD4093CM8Q104bpZ3ci80gT4xMN17 69BCEcEN1eSaEqc/tLwc6HcE6Jp6K+8He4RLswM= X-Google-Smtp-Source: APXvYqxsQhiYbECcI/uK1mOW86nATVsozbuoFuAIuSpP0p0qnrCUo5nq0QVtK2F5Mn6i0P536U2jXcT75W1+ttJvaUk= X-Received: by 2002:a5e:d817:: with SMTP id l23mr38743608iok.282.1565001933786; Mon, 05 Aug 2019 03:45:33 -0700 (PDT) MIME-Version: 1.0 References: <156267933200.15900.568531128971641776@ietfa.amsl.com> In-Reply-To: From: Ines Robles Date: Mon, 5 Aug 2019 13:45:22 +0300 Message-ID: To: Mahendra Singh Negi Cc: "draft-ietf-pce-stateful-path-protection@ietf.org" , "pce@ietf.org" , "BRUNGARD, DEBORAH A" Content-Type: multipart/alternative; boundary="0000000000005612b9058f5c687d" Archived-At: Subject: Re: [Pce] Rtgdir last call review of draft-ietf-pce-stateful-path-protection-07 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Aug 2019 10:45:37 -0000 --0000000000005612b9058f5c687d Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Mahendra, Thank you very much for addressing my comments Best, Ines. On Thu, Aug 1, 2019 at 9:42 AM Mahendra Singh Negi wrote: > Hi Ines, > > Many thanks for your review. If you please see inline [MN] for your > questions/comments. > > Regards, > Mahendra > > > -----Original Message----- > From: Ines Robles via Datatracker > Sent: Tuesday, July 09, 2019 9:36 AM > To: rtg-dir@ietf.org > Cc: draft-ietf-pce-stateful-path-protection.all@ietf.org; pce@ietf.org; > ietf@ietf.org > Subject: Rtgdir last call review of > draft-ietf-pce-stateful-path-protection-07 > > Reviewer: Ines Robles > Review result: Ready > > Hello, > > I have been selected as the Routing Directorate reviewer for this draft. > The Routing Directorate seeks to review all routing or routing-related > drafts as they pass through IETF last call and IESG review, and sometimes > on special request. The purpose of the review is to provide assistance to > the Routing ADs. > For more information about the Routing Directorate, please see =E2=80=8B > https://urldefense.proofpoint.com/v2/url?u=3Dhttp-3A__trac.tools.ietf.org= _area_rtg_trac_wiki_RtgDir&d=3DDwIDaQ&c=3DLFYZ-o9_HUMeMTSQicvjIg&r=3D6UhGpW= 9lwi9dM7jYlxXD8w&m=3DOfH7jqq3ZeA-wTebRlEpsyIMH15hY5NeZNI8AnstJzY&s=3DSHbxX7= UldX-WPWAR_ar5R2SzCgNY4hbVoCqrXP8GYAU&e=3D > > Although these comments are primarily for the use of the Routing ADs, it > would be helpful if you could consider them along with any other IETF Las= t > Call comments that you receive, and strive to resolve them through > discussion or by updating the draft. > > Document: draft-ietf-pce-stateful-path-protection-07.txt > Reviewer: Ines Robes > Review Date: 09-07-2019 > IETF LC End Date: -- > Intended Status: Standards Track > > Summary: > > I believe the draft is technically good. This document is well written. > > This document specifies a stateful PCEP extension to associate two or mor= e > LSPs for the purpose of setting up path protection. > > I have some minor questions. > > Major Issues: No major issues found. > > Minor Issues: No minor issues found. > > Nits: from the tool -> Summary: 0 errors (**), 0 flaws (~~), 3 warnings > (=3D=3D), > 1 comment (--). > [MN] We will fix this in new version. > > Comments/Questions: > > 1- about "..associate one working LSP with one or more protection LSPs...= " > --> Is there a limit of numbers of protection LSPs to be associated with > one working LSP? > [MN] This limit depends on the local configuration and standards > (including RSVP-TE protection) do not restrict the same. > > 2- About Table 1: PPAG TLV, the name of the flag "S - STANDBY" should be > "Secondary" (S) as per Figure 1? > [MN] We will fix this in new version. > > Thank you for this document, > > Ines. > > > --0000000000005612b9058f5c687d Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Mahendra,

Thank you very=C2=A0much f= or addressing my comments

Best,

Ines.

On Thu, Aug 1, 2019 at 9:42 AM Mahendra Singh Negi <mahendrasingh@huawei.com> = wrote:
Hi Ines,<= br>
Many thanks for your review. If you please see inline [MN] for your questio= ns/comments.

Regards,
Mahendra


-----Original Message-----
From: Ines Robles via Datatracker <noreply@ietf.org>
Sent: Tuesday, July 09, 2019 9:36 AM
To: rtg-dir@ietf.org<= /a>
Cc: draft-ietf-pce-stateful-path-protection.all@ietf.org= ; pce@ietf.org; ietf@ietf.org
Subject: Rtgdir last call review of draft-ietf-pce-stateful-path-protection= -07

Reviewer: Ines Robles
Review result: Ready

Hello,

I have been selected as the Routing Directorate reviewer for this draft. Th= e Routing Directorate seeks to review all routing or routing-related drafts= as they pass through IETF last call and IESG review, and sometimes on spec= ial request. The purpose of the review is to provide assistance to the Rout= ing ADs.
For more information about the Routing Directorate, please see =E2=80=8Bhttps://urldefense.proofpoint.com/v2/ur= l?u=3Dhttp-3A__trac.tools.ietf.org_area_rtg_trac_wiki_RtgDir&d=3DDwIDaQ= &c=3DLFYZ-o9_HUMeMTSQicvjIg&r=3D6UhGpW9lwi9dM7jYlxXD8w&m=3DOfH7= jqq3ZeA-wTebRlEpsyIMH15hY5NeZNI8AnstJzY&s=3DSHbxX7UldX-WPWAR_ar5R2SzCgN= Y4hbVoCqrXP8GYAU&e=3D

Although these comments are primarily for the use of the Routing ADs, it wo= uld be helpful if you could consider them along with any other IETF Last Ca= ll comments that you receive, and strive to resolve them through discussion= or by updating the draft.

Document: draft-ietf-pce-stateful-path-protection-07.txt
Reviewer: Ines Robes
Review Date: 09-07-2019
IETF LC End Date: --
Intended Status: Standards Track

Summary:

I believe the draft is technically good. This document is well written.

This document specifies a stateful PCEP extension to associate two or more = LSPs for the purpose of setting up path protection.

I have some minor questions.

Major Issues: No major issues found.

Minor Issues: No minor issues found.

Nits: from the tool ->=C2=A0 =C2=A0Summary: 0 errors (**), 0 flaws (~~),= 3 warnings (=3D=3D),
1 comment (--).
[MN] We will fix this in new version.

Comments/Questions:

1- about "..associate one working LSP with one or more protection LSPs= ..." --> Is there a limit of numbers of protection LSPs to be assoc= iated with one working LSP?
[MN] This limit depends on the local configuration and standards (including= RSVP-TE protection) do not restrict the same.

2- About Table 1: PPAG TLV, the name of the flag "S - STANDBY" sh= ould be "Secondary" (S) as per Figure 1?
[MN] We will fix this in new version.

Thank you for this document,

Ines.


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Yes/Support.


I'm also support the document. 
It'll be helpful for operator.

Best regards,
Peter
=BA=B8=B3=BD =BB=E7=B6=F7:pce-request@ietf.org
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=C1=A6=B8=F1: Pce Digest, Vol 179, Issue 4


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Today's Topics:

   1. Re: PCE WG Adoption poll for
      draft-leedhody-pce-vn-association (???)


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

Message: 1
Date: Tue, 6 Aug 2019 00:37:34 +0000
From: ??? <byyun@etri.re.kr>
To: "adrian@olddog.co.uk" <adrian@olddog.co.uk>, "pce@= ietf.org"
        <pce@ietf.org>
Cc: "draft-leedhody-pce-vn-association@ietf.org"
        <draft-leedhody-pce-vn-associ= ation@ietf.org>
Subject: Re: [Pce] PCE WG Adoption poll for
        draft-leedhody-pce-vn-associatio= n
Message-ID: <23C934174FAD8C4EACF66FEFB6AE4339558A06F9@SMTP1.etri.info>= ;
Content-Type: text/plain; charset=3D"utf-8"

Yes/Support.


I think that it is useful to provide a solution for VN service based on PCE= .


Best regards,

Bin





________________________________
?? ?? : "Adrian Farrel" <adrian@olddog.co.uk>
?? ?? : 2019-07-14 22:01:05 ( +09:00 )
?? ?? : pce@ietf.org <pce@ietf.org>
?? : draft-leedhody-pce-vn-association@ietf.org <draft-leedhody-pce-vn-a= ssociation@ietf.org>
?? : [Pce] PCE WG Adoption poll for draft-leedhody-pce-vn-association



Hi WG,





He authors of draft-leedhody-pce-vn-association have been asking for



adoption and...





- the base PCEP association extensions seem to be stable and advancing



- I did an early review and the authors span a new version





So, this starts an adoption poll for the draft. Because IETF-105 is imminen= t



and you all have lots to do and read, we'll make this a three week poll



ending on 4th August.





Please send your comments of support or antipathy.





In either case, please indicate whether or not you have read the draft, and=



if you support it, please say whether or not you propose to and even



possibly implement the draft.





Many thanks,



Adrian (for the chairs)





_______________________________________________



Pce mailing list



Pce@ietf.org



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--_000_abxy8ggci0tu02o6ppmdw82a1565128720909emailcitrixcom_-- From nobody Tue Aug 6 22:00:09 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 6E9C012011F; Tue, 6 Aug 2019 22:00:07 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: pce@ietf.org Message-ID: <156515400737.27400.5269263008092548868@ietfa.amsl.com> Date: Tue, 06 Aug 2019 22:00:07 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-association-policy-06.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Aug 2019 05:00:08 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : Path Computation Element communication Protocol (PCEP) extension for associating Policies and Label Switched Paths (LSPs) Authors : Stephane Litkowski Siva Sivabalan Jeff Tantsura Jonathan Hardwick Mahendra Singh Negi Filename : draft-ietf-pce-association-policy-06.txt Pages : 15 Date : 2019-08-06 Abstract: This document introduces a simple mechanism to associate policies to a group of Label Switched Paths (LSPs) via an extension to the Path Computation Element (PCE) Communication Protocol (PCEP). The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-association-policy/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-association-policy-06 https://datatracker.ietf.org/doc/html/draft-ietf-pce-association-policy-06 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-association-policy-06 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Wed Aug 7 03:35:52 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id E5982120148; Wed, 7 Aug 2019 03:35:43 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: pce@ietf.org Message-ID: <156517414384.8374.12868588984125224400@ietfa.amsl.com> Date: Wed, 07 Aug 2019 03:35:43 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-pcep-flowspec-04.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Aug 2019 10:35:44 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : PCEP Extension for Flow Specification Authors : Dhruv Dhody Adrian Farrel Zhenbin Li Filename : draft-ietf-pce-pcep-flowspec-04.txt Pages : 32 Date : 2019-08-07 Abstract: The Path Computation Element (PCE) is a functional component capable of selecting the paths through a traffic engineered network. These paths may be supplied in response to requests for computation, or may be unsolicited instructions issued by the PCE to network elements. Both approaches use the PCE Communication Protocol (PCEP) to convey the details of the computed path. Traffic flows may be categorized and described using "Flow Specifications". RFC 5575 defines the Flow Specification and describes how Flow Specification Components are used to describe traffic flows. RFC 5575 also defines how Flow Specifications may be distributed in BGP to allow specific traffic flows to be associated with routes. This document specifies a set of extensions to PCEP to support dissemination of Flow Specifications. This allows a PCE to indicate what traffic should be placed on each path that it is aware of. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-flowspec/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-pcep-flowspec-04 https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-flowspec-04 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-flowspec-04 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Wed Aug 7 03:46:42 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0CF861206E4 for ; Wed, 7 Aug 2019 03:46:35 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.597 X-Spam-Level: X-Spam-Status: No, score=-2.597 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qU_E9OpFgfXn for ; Wed, 7 Aug 2019 03:46:32 -0700 (PDT) Received: from mta5.iomartmail.com (mta5.iomartmail.com [62.128.193.155]) (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 6598C120221 for ; Wed, 7 Aug 2019 03:46:32 -0700 (PDT) Received: from vs3.iomartmail.com (vs3.iomartmail.com [10.12.10.124]) by mta5.iomartmail.com (8.14.4/8.14.4) with ESMTP id x77AkUOp009834 for ; Wed, 7 Aug 2019 11:46:30 +0100 Received: from vs3.iomartmail.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0C0202203D for ; Wed, 7 Aug 2019 11:46:30 +0100 (BST) Received: from asmtp1.iomartmail.com (unknown [10.12.10.248]) by vs3.iomartmail.com (Postfix) with ESMTPS id EB1352203A for ; Wed, 7 Aug 2019 11:46:29 +0100 (BST) Received: from LAPTOPK7AS653V (120.105.162.213.dyn.plus.net [213.162.105.120] (may be forged)) (authenticated bits=0) by asmtp1.iomartmail.com (8.14.4/8.14.4) with ESMTP id x77AkSxU021602 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 7 Aug 2019 11:46:29 +0100 Reply-To: From: "Adrian Farrel" To: Date: Wed, 7 Aug 2019 11:46:28 +0100 Organization: Old Dog Consulting Message-ID: <000501d54d0d$5e818dc0$1b84a940$@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: AdVNDVp7t8Qm5gE8RkmDgj4fltmL+w== Content-Language: en-gb X-Originating-IP: 213.162.105.120 X-Thinkmail-Auth: adrian@olddog.co.uk X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSVA-9.0.0.1623-8.2.0.1013-24828.002 X-TM-AS-Result: No--23.152-10.0-31-10 X-imss-scan-details: No--23.152-10.0-31-10 X-TMASE-Version: IMSVA-9.0.0.1623-8.2.1013-24828.002 X-TMASE-Result: 10--23.152100-10.000000 X-TMASE-MatchedRID: CDtsO4Gok4fxIbpQ8BhdbJCB65RjRY3suqgVqRoQsiCrZHMcVOhFSOc9 uTWZVtE9cxDJ7g2sMDGGoU+22M15N/e68P7UGSXtboe6sMfg+k87GNv1BBu35CNGK7UC7ElMjGd KRTlT9kIH9AMrTTcCU2piCLvmYsM/QKz4ASvM2NP1WO1NzV/CYFHewY36PuY0Alodi3PxGEkZYK 2ueqB6+iYxz8zvRVbyztJEIiMQkV9KpIM6MfwkGrllPmifeo7SZAGtCJE23YjKY//WmIj/oUIuR BbqpcOkeV3a7swBpYJ2O3rLLOD3LLecQv+uhdARgVDqveW1GkocQnDpQ6FX07+Z3Zp2Td1EYglb NeyFtCtEyvp9ib17OMG4vJ1NCMIDYHAgT2o6mU8i8B1njP2CEgUa4GT8QV85sp5O052MzLpaIwf fERDGg1iTvx1YSI5x1PXayX1NU0ea/+UIUzPJgkzQymcuf4b0dc0p8KbvPW1YbPLopoBzQtqw2w +eqGMFbfo4Il3gtSeuZ3ZhBb1yQ79jX++auvv+FcK/QGNGRL2YcCnZQnz5PAzvg1/q1MH2wZNlF d+3wSxaVeGmlIRjGJAQMOcfVw6qj5fLLlh0rlTqqv01/ojPE3tuFRdAnnEFmyiLZetSf8nJ4y0w P1A6AJy/CPd12p6Jh9eWnlL1x8DdB/CxWTRRu/558CedkGIvIXptJJqT2TE= X-TMASE-SNAP-Result: 1.821001.0001-0-1-12:0,22:0,33:0,34:0-0 Archived-At: Subject: [Pce] Update to draft-ietf-pce-pcep-flowspec X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Aug 2019 10:46:40 -0000 Hi working group, The updates in this version are: 3.1. Added an architectural overview as a result of conversations with Olivier. 7. Updated the multicast TLV description to add S and G flags per discussion with Jayant. 11. Added an implementation status section: I wish there was a more positive message. App A. Removed "Flow Specification TLV Types" as indicated in the text of -03 Thanks, Adrian -----Original Message----- From: I-D-Announce On Behalf Of internet-drafts@ietf.org Sent: 07 August 2019 11:36 To: i-d-announce@ietf.org Cc: pce@ietf.org Subject: I-D Action: draft-ietf-pce-pcep-flowspec-04.txt A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : PCEP Extension for Flow Specification Authors : Dhruv Dhody Adrian Farrel Zhenbin Li Filename : draft-ietf-pce-pcep-flowspec-04.txt Pages : 32 Date : 2019-08-07 Abstract: The Path Computation Element (PCE) is a functional component capable of selecting the paths through a traffic engineered network. These paths may be supplied in response to requests for computation, or may be unsolicited instructions issued by the PCE to network elements. Both approaches use the PCE Communication Protocol (PCEP) to convey the details of the computed path. Traffic flows may be categorized and described using "Flow Specifications". RFC 5575 defines the Flow Specification and describes how Flow Specification Components are used to describe traffic flows. RFC 5575 also defines how Flow Specifications may be distributed in BGP to allow specific traffic flows to be associated with routes. This document specifies a set of extensions to PCEP to support dissemination of Flow Specifications. This allows a PCE to indicate what traffic should be placed on each path that it is aware of. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-flowspec/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-pcep-flowspec-04 https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-flowspec-04 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-flowspec-04 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ _______________________________________________ I-D-Announce mailing list I-D-Announce@ietf.org https://www.ietf.org/mailman/listinfo/i-d-announce Internet-Draft directories: http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt From nobody Mon Aug 12 14:51:48 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5E241120896; Mon, 12 Aug 2019 14:51:40 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.397 X-Spam-Level: X-Spam-Status: No, score=-1.397 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] 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 jNrhwVqgzbpy; Mon, 12 Aug 2019 14:51:38 -0700 (PDT) Received: from mail-ot1-f47.google.com (mail-ot1-f47.google.com [209.85.210.47]) (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 B0AE7121649; Mon, 12 Aug 2019 06:18:51 -0700 (PDT) Received: by mail-ot1-f47.google.com with SMTP id c34so18513306otb.7; Mon, 12 Aug 2019 06:18:51 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=GlG/nqEZRC+OPb63Z0vAm+rspyg+azAoVgMryJh6IxA=; b=n4reSzFOz36F9CM68RSy4gcyLnaxB14cI3bV4gUCeMO2GYw9oyZEFyrNRrYq6BLhQ1 SntXUmN/1LrkI4WULLTJF3krBVA/+UM2+s/14Zi6jLFigQtdtoZuIa4OTSZyObeQVA5a Rf2KGrTeQCdKDXi2pq8zRruYoQyozvDMVr0nRyyxqvtHu4bFq5OTVdaQ7TVwMZCiWAMy HgnHRbEbk3Xu2M+njIpUan40sU7PTRm6+J/IW8V8mq5TBVU4tzrBOqKzS175x0t1TgvE 8ByrzlFGUruY4YgXww2qj36o3EzRm71VEW4uu+jgFVJLOoaNXth4+eFCMQvEGF6ADRoJ uRVw== X-Gm-Message-State: APjAAAWN9NOD2Uzl9nhP7+aA4iGR1LoK2ptGfcJpk1+oO52lm9p+/ikz gWzCTIzPdISXqRK9lldEwDVtbvXm8L2xwBqbnCSX3kex X-Google-Smtp-Source: APXvYqxy7Ogc7TMJYq4bi4kMKH38kEp+q/zL153BtybOEVgf2UT5qcmupy78ypDb2qyUbRfMAvtAcUgb34XsAqgGqBs= X-Received: by 2002:aca:b1c1:: with SMTP id a184mr14022841oif.2.1565615930783; Mon, 12 Aug 2019 06:18:50 -0700 (PDT) MIME-Version: 1.0 From: Emmanuel Baccelli Date: Mon, 12 Aug 2019 15:18:39 +0200 Message-ID: To: "" Cc: rtg-dir@ietf.org, draft-ietf-pce-association-diversity.all@ietf.org, pce@ietf.org Content-Type: multipart/alternative; boundary="00000000000068ba48058feb5d8a" Archived-At: Subject: [Pce] RtgDir review: draft-ietf-pce-association-diversity-08.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Aug 2019 21:51:41 -0000 --00000000000068ba48058feb5d8a Content-Type: text/plain; charset="UTF-8" Hello, I have been selected as the Routing Directorate reviewer for this draft. The Routing Directorate seeks to review all routing or routing-related drafts as they pass through IETF last call and IESG review, and sometimes on special request. The purpose of the review is to provide assistance to the Routing ADs. For more information about the Routing Directorate, please see http://trac.tools.ietf.org/area/rtg/trac/wiki/RtgDir Although these comments are primarily for the use of the Routing ADs, it would be helpful if you could consider them along with any other IETF Last Call comments that you receive, and strive to resolve them through discussion or by updating the draft. Document: draft-ietf-pce-association-diversity-08.txt Reviewer: Emmanuel Baccelli Review Date: 12/08/2019 Intended Status: Standards Track Summary of comments: The procotol extension is simple, and its operation is documented pretty well. The document is concise, and clear from my point of view. See below a couple of remarks that could be considered prior to publication. Major Issues: No major issues found. Minor Issues: In Section 5 (Security): If I understand correctly, dynamically adding a new LSP to an existing disjoint association affects the (re)computation and the (re)characterization of all LSPs in this association. In this case, is it entirely obvious to me that there is no specific threat using the attack vector of adding an LSP to an existing association, when flag T is set? What is the state of other LSPs in an existing association after another LSP was added, which resulted in the required disjointness now fails? Nits: In Section 3 (Motivation): In my opinion, this section might benefit from being split in two: a pure motivation section, and an applicability section. In Section 4.1: it is stated that "a PCE may be limited in the number of LSPs it can take into account when computing disjointness" [...] "the PCE may provide no path, a shortest path, or a constrained path based on relaxing disjointness, etc. The disjoint status is informed to the PCC." Here, it would be useful to forward reference to section 4.6. In section 4.6: the spec seems to suppose that there exists an absolute order ranking different levels of disjointness, such that a PCE can simply take the decision to "reduce disjointness" to the next best level. I suspect that this is not always easy to rank in complex cases, if at all possible. Are some more flags foreseen (tbd in section 6.2 ?) for more fine-grained characterization of "relaxed disjointness" in complex cases e.g. when adding an LSP to an already-large disjoint association ? I assume the answer is "not really". Assuming the above, without becoming too ugly, specification could be more explicit about ranking levels of disjointness which relaxing decisions should be made, when flag T is unset. Else, the spec could add a clarifying sentence on the difficulty of ordering absolutely many different levels of disjointness for many LSPs, in the same association. --00000000000068ba48058feb5d8a Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hello,

I have been selected as the Routing Director= ate reviewer for this draft. The Routing Directorate seeks to review all ro= uting or routing-related drafts as they pass through IETF last call and IES= G review, and sometimes on special request. The purpose of the review is to= provide assistance to the Routing ADs. For more information about the Rout= ing Directorate, please see http://trac.tools.ietf.org/area/rtg/trac/wiki/RtgDir<= br>
Although these comments are primarily for the use of the Routing ADs= , it would be helpful if you could consider them along with any other IETF = Last Call comments that you receive, and strive to resolve them through dis= cussion or by updating the draft.

Document: draft-ietf-pce-associati= on-diversity-08.txt
Reviewer: Emmanuel Baccelli
Review Date: 12/08/20= 19
Intended Status: Standards Track

Summary of comments:

= =C2=A0 =C2=A0 The procotol extension is simple, and its operation is docume= nted pretty well.
=C2=A0 =C2=A0 The document is concise, and clear from = my point of view.
=C2=A0 =C2=A0 See below a couple of remarks that coul= d be considered prior to publication.

Major Issues:

=C2=A0 = =C2=A0 No major issues found.

Minor Issues:

=C2=A0 =C2=A0 In = Section 5 (Security): If I understand correctly, dynamically adding a new L= SP to an existing disjoint association affects the (re)computation and the = (re)characterization of all LSPs in this association. In this case, is it e= ntirely obvious to me that there is no specific threat using the attack vec= tor of adding an LSP to an existing association, when flag T is set?
Wha= t is the state of other LSPs in an existing association after another LSP w= as added, which resulted in the required disjointness now fails?

Nit= s:

=C2=A0 =C2=A0 In Section 3 (Motivation): In my opinion, this sect= ion might benefit from being split in two: a pure motivation section, and a= n applicability section.
=C2=A0 =C2=A0
=C2=A0 =C2=A0 In Section 4.1:= it is stated that "a PCE may be limited in the number of LSPs it can = take into account when computing disjointness" [...] "the PCE may= provide no path, a shortest path, or a constrained path based on relaxing = disjointness, etc.=C2=A0 The disjoint status is informed to the PCC." =
Here, it would be useful to forward reference to section 4.6.

= =C2=A0 =C2=A0 In section 4.6: the spec seems to suppose that there exists a= n absolute order ranking different levels of disjointness,
such that a P= CE can simply take the decision to "reduce disjointness" to the n= ext best level.
I suspect that this is not always easy to rank in c= omplex cases, if at all possible.

Are some more flags f= oreseen (tbd in section 6.2 ?) for more fine-grained characterization of &q= uot;relaxed disjointness" in complex cases e.g. when adding an LSP to = an already-large disjoint association ?
I assume the answer is &quo= t;not really".

Assuming the above, without becomin= g too ugly, specification could be more explicit about ranking levels of di= sjointness which relaxing decisions should be made, when flag T is unset.Else, the spec could add a clarifying sentence on the difficulty of order= ing absolutely many different levels of disjointness for many LSPs, in the = same association.
--00000000000068ba48058feb5d8a-- From nobody Tue Aug 13 07:59:01 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6D2E5120130; Tue, 13 Aug 2019 07:58:59 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.587 X-Spam-Level: X-Spam-Status: No, score=-0.587 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_COMMENT_SAVED_URL=1.391, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_FILL_THIS_FORM_SHORT=0.01, T_HTML_ATTACH=0.01] 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 VG7SMUXXojmS; Tue, 13 Aug 2019 07:58:50 -0700 (PDT) Received: from mail-ot1-x32a.google.com (mail-ot1-x32a.google.com [IPv6:2607:f8b0:4864:20::32a]) (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 75DA1120251; Tue, 13 Aug 2019 07:58:50 -0700 (PDT) Received: by mail-ot1-x32a.google.com with SMTP id g17so22622485otl.2; Tue, 13 Aug 2019 07:58:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=G/fDeDH37Pp/RKg/X1sjb3ruOoI4XwxYGjXoQpwif7g=; b=Kd94uieHbXElHN9Ew6iSUz/eUmSuCDg6I6c9vOgtlrX+j0gyA17gbIDQWfNB+XYPnE n3O1pLNm3YSIbv0aSaULma3U/3aI8yxSDlODo3xhCpHayrjUxKry1iFbcZ32iIlR4ych RBT/Nf6NxZc++aXw1aT86Cj+xRC6sObwqveWcaCJZmfvkbO9hZVD/4DNCHn+WXu8hKeK 18vJKWKFMxIlvPJg2X2KaMFvrAGG54RyXnV7YOzuZrRcan4brIpNlo5mCvvLP35pwEmq ZxtKXeCRTPwfWCD2t9SP7sLUdLWZzXElb6YVgmDyGr3IOzfEQVk6pNDvSG/nZaK1FU6Q Z/Zw== 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=G/fDeDH37Pp/RKg/X1sjb3ruOoI4XwxYGjXoQpwif7g=; b=nfsURVntL7G24Nzr8UJ49kOcY09xuAP797gR2xFe+kwXOI7LtGpgnXzmX2Fwx9jgGO jOEs0o9yJWozZWX49DK9mxtgep+M1aWAJj5LPjRb/DXq3/clUHVjU41BmnTbn9pRL+11 kPkiFBolk1JGedU8ogjAiYXq9Lp6vufQpkCrar8XFGI8zMLczkhnzPMppZAYlg4iDvcL YL1lXPfIevMqUgvsHh2ooC4O8ifMQsUYVA5M5/PBoXAS2So22Kvzb3YTRri9quLghH8x IIXIP9X28vffA9k0q7LVpPeo7MNunWUkwmkfkRFkTnfuKaE1vvZjIIfXouMwZXGpATfv l2Cw== X-Gm-Message-State: APjAAAXhTs7GP76b7vQsgQhZf1w1MRetfuMa6qG7ceUHEwS9YAv0bjbN 7FdFbxPp9GMeLhdYrT03/f/XvZyxiGwdUXzIWqw= X-Google-Smtp-Source: APXvYqwn+nwbrAAKHAHyfzkMh78A2B/bapieVwdJuTK9FqOQUzjvjWvgxcqReYQwyqnpvnDjTRPbxQNmJ7ZfXpdKHFk= X-Received: by 2002:aca:4256:: with SMTP id p83mr1848808oia.125.1565708329579; Tue, 13 Aug 2019 07:58:49 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Mahend Negi Date: Tue, 13 Aug 2019 20:28:38 +0530 Message-ID: To: Emmanuel Baccelli Cc: "" , rtg-dir@ietf.org, pce@ietf.org, draft-ietf-pce-association-diversity.all@ietf.org Content-Type: multipart/mixed; boundary="000000000000cef74d059000e000" Archived-At: Subject: Re: [Pce] RtgDir review: draft-ietf-pce-association-diversity-08.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Aug 2019 14:59:00 -0000 --000000000000cef74d059000e000 Content-Type: multipart/alternative; boundary="000000000000cef745059000e0fe" --000000000000cef745059000e0fe Content-Type: text/plain; charset="UTF-8" Hi Emmanuel, Thanks for your comments. Please see inline, do find attached reworked draft and version-diff for reference. On Tue, Aug 13, 2019 at 3:21 AM Emmanuel Baccelli < Emmanuel.Baccelli@inria.fr> wrote: > Hello, > > I have been selected as the Routing Directorate reviewer for this draft. > The Routing Directorate seeks to review all routing or routing-related > drafts as they pass through IETF last call and IESG review, and sometimes > on special request. The purpose of the review is to provide assistance to > the Routing ADs. For more information about the Routing Directorate, please > see http://trac.tools.ietf.org/area/rtg/trac/wiki/RtgDir > > Although these comments are primarily for the use of the Routing ADs, it > would be helpful if you could consider them along with any other IETF Last > Call comments that you receive, and strive to resolve them through > discussion or by updating the draft. > > Document: draft-ietf-pce-association-diversity-08.txt > Reviewer: Emmanuel Baccelli > Review Date: 12/08/2019 > Intended Status: Standards Track > > Summary of comments: > > The procotol extension is simple, and its operation is documented > pretty well. > The document is concise, and clear from my point of view. > See below a couple of remarks that could be considered prior to > publication. > > Major Issues: > > No major issues found. > > Minor Issues: > > In Section 5 (Security): If I understand correctly, dynamically adding > a new LSP to an existing disjoint association affects the (re)computation > and the (re)characterization of all LSPs in this association. In this case, > is it entirely obvious to me that there is no specific threat using the > attack vector of adding an LSP to an existing association, when flag T is > set? > When T flag is set, we would have a case of no-path for the new LSP. It would be good to also indicate that the new LSP could not be added into the association group. I have added text for this. What is the state of other LSPs in an existing association after another > LSP was added, which resulted in the required disjointness now fails? > The other LSPs would not be impacted. So as such there is no specific security threat with T flag. But, it would be good to add some generic text. Updated section - 6. Security Considerations This document defines one new type for association, which on itself does not add any new security concerns beyond those discussed in [RFC5440], [RFC8231] and [I-D.ietf-pce-association-group]. But, adding of a spurious LSP into the disjointness association group could lead to re-computation and set-up of all LSPs in the group, that could be used to overwhelm the PCE and the network. Also, as stated in [I-D.ietf-pce-association-group], much of the information carried in the Disjointness Association object, as per this document is not extra sensitive. It often reflects information that can also be derived from the LSP Database, but association provides a much easier grouping of related LSPs and messages. The disjointness association could provide an adversary with the opportunity to eavesdrop on the relationship between the LSPs. Thus securing the PCEP session using Transport Layer Security (TLS) [RFC8253], as per the recommendations and best current practices in [RFC7525], is RECOMMENDED. > > Nits: > > In Section 3 (Motivation): In my opinion, this section might benefit > from being split in two: a pure motivation section, and an applicability > section. > OK > > In Section 4.1: it is stated that "a PCE may be limited in the number > of LSPs it can take into account when computing disjointness" [...] "the > PCE may provide no path, a shortest path, or a constrained path based on > relaxing disjointness, etc. The disjoint status is informed to the PCC." > Here, it would be useful to forward reference to section 4.6. > OK > > In section 4.6: the spec seems to suppose that there exists an > absolute order ranking different levels of disjointness, > such that a PCE can simply take the decision to "reduce disjointness" to > the next best level. > I suspect that this is not always easy to rank in complex cases, if at all > possible. > Added (as it deems fit). > Are some more flags foreseen (tbd in section 6.2 ?) for more fine-grained > characterization of "relaxed disjointness" in complex cases e.g. when > adding an LSP to an already-large disjoint association ? > I assume the answer is "not really". > Your assumption is right. > > Assuming the above, without becoming too ugly, specification could be more > explicit about ranking levels of disjointness which relaxing decisions > should be made, when flag T is unset. > I think, adding "as it deems fit" is better and let implementations decide with protocol signalling the result. > Else, the spec could add a clarifying sentence on the difficulty of > ordering absolutely many different levels of disjointness for many LSPs, in > the same association. > Do you still feel this to be necessary? I am not too sure. Thanks! _______________________________________________ > Pce mailing list > Pce@ietf.org > https://www.ietf.org/mailman/listinfo/pce > --000000000000cef745059000e0fe Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
=09 =09 =09

Hi Emmanuel,

Thanks for your comments. Please see inline, do find attached reworked draft and version-di= ff for reference.=C2=A0


= On Tue, Aug 13, 2019 at 3:21 AM Emmanuel Baccelli <Emmanuel.Baccelli@inria.fr> wrote:
Hello,

I hav= e been selected as the Routing Directorate reviewer for this draft. The Rou= ting Directorate seeks to review all routing or routing-related drafts as t= hey pass through IETF last call and IESG review, and sometimes on special r= equest. The purpose of the review is to provide assistance to the Routing A= Ds. For more information about the Routing Directorate, please see http://trac.tools.ietf.org/area/rtg/trac/wiki/RtgDir

Although t= hese comments are primarily for the use of the Routing ADs, it would be hel= pful if you could consider them along with any other IETF Last Call comment= s that you receive, and strive to resolve them through discussion or by upd= ating the draft.

Document: draft-ietf-pce-association-diversity-08.t= xt
Reviewer: Emmanuel Baccelli
Review Date: 12/08/2019
Intended St= atus: Standards Track

Summary of comments:

=C2=A0 =C2=A0 The= procotol extension is simple, and its operation is documented pretty well.=
=C2=A0 =C2=A0 The document is concise, and clear from my point of view.=
=C2=A0 =C2=A0 See below a couple of remarks that could be considered p= rior to publication.

Major Issues:

=C2=A0 =C2=A0 No major iss= ues found.

Minor Issues:

=C2=A0 =C2=A0 In Section 5 (Security= ): If I understand correctly, dynamically adding a new LSP to an existing d= isjoint association affects the (re)computation and the (re)characterizatio= n of all LSPs in this association. In this case, is it entirely obvious to = me that there is no specific threat using the attack vector of adding an LS= P to an existing association, when flag T is set?
= =C2=A0
When T flag is set, we would have a case of no-path for the new LSP. It would be good to also indicate that the new LSP could not be added into the association group. I have added text for this.

What is the state of other L= SPs in an existing association after another LSP was added, which resulted = in the required disjointness now fails?
=C2=A0
The other LSPs would not be impacted. So as such there is no specific security threat with T flag. But, it would be good to add some generic text. Updated section -
=09 =09 =09

6. Security Considerations


This document defines one new type for association, which on itself does not add any new security concerns beyond those discussed in

[RFC5440], [RFC8231] and [I-D.ietf-pce-association-group]. But, adding of a spurious LSP into the disjointness association group

could lead to re-computation and set-up of all LSPs in the group, that could be used to overwhelm the PCE and the network.


Also, as stated in [I-D.ietf-pce-association-group], much of the information carried in the Disjointness Association object, as per

this document is not extra sensitive. It often reflects information that can also be derived from the LSP Database, but association

provides a much easier grouping of related LSPs and messages. The disjointness association could provide an adversary with the

opportunity to eavesdrop on the relationship between the LSPs. Thus securing the PCEP session using Transport Layer Security (TLS)

[RFC8253], as per the recommendations and best current practices in [RFC7525], is RECOMMENDED.

=09 =09 =09


=C2=A0
Nits:

=C2=A0 =C2=A0 In Section 3 (Motivation): In my opinion, this= section might benefit from being split in two: a pure motivation section, = and an applicability section.
=C2=A0
O= K
=C2=A0 =C2=A0
=C2=A0 =C2=A0 In Section 4.1: it is stated that "= ;a PCE may be limited in the number of LSPs it can take into account when c= omputing disjointness" [...] "the PCE may provide no path, a shor= test path, or a constrained path based on relaxing disjointness, etc.=C2=A0= The disjoint status is informed to the PCC."
Here, it would be us= eful to forward reference to section 4.6.
=C2=A0=
OK
<= div dir=3D"ltr">
=C2=A0 =C2=A0 In section 4.6: the spec seems to suppose= that there exists an absolute order ranking different levels of disjointne= ss,
such that a PCE can simply take the decision to "reduce disjoin= tness" to the next best level.
I suspect that this is not alwa= ys easy to rank in complex cases, if at all possible.

=09 =09 =09

Added (as it deems fit).

=C2=A0
Ar= e some more flags foreseen (tbd in section 6.2 ?) for more fine-grained cha= racterization of "relaxed disjointness" in complex cases e.g. whe= n adding an LSP to an already-large disjoint association ?
I assume= the answer is "not really".
=09 =09 =09

Your assumption is right.

=C2=A0

Assuming the above, without becoming too ugly, specificati= on could be more explicit about ranking levels of disjointness which relaxi= ng decisions should be made, when flag T is unset.
=09 =09 =09

I think, adding "as it deems fit" is better and let implementations decide with protocol signalling the result.

=C2=A0
Else, the spec could add a clarifying sentence on the difficulty of order= ing absolutely many different levels of disjointness for many LSPs, in the = same association.
=09 =09

Do you still feel this to be necessary? I am not too sure.


Thanks!


_______________________________________________
Pce mailing list
Pce@ietf.org
https://www.ietf.org/mailman/listinfo/pce
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ZGlmZiAxLjQ3LiBUaGUgbGF0ZXN0IHZlcnNpb24gaXMgYXZhaWxhYmxlIGZyb20gPGEgaHJlZj0i aHR0cDovL3d3dy50b29scy5pZXRmLm9yZy90b29scy9yZmNkaWZmLyI+aHR0cDovL3Rvb2xzLmll dGYub3JnL3Rvb2xzL3JmY2RpZmYvPC9hPiA8L3RkPjwvdHI+CiAgIDwvdGJvZHk+PC90YWJsZT4K ICAgCiAgIAo8L2JvZHk+PC9odG1sPg== --000000000000cef74d059000e000-- From nobody Tue Aug 13 08:24:10 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id DCD381201E3 for ; Tue, 13 Aug 2019 08:24:08 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.29 X-Spam-Level: X-Spam-Status: No, score=-0.29 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FORGED_MUA_MOZILLA=2.309, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001] 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 VWIHLJSQgJ6r for ; Tue, 13 Aug 2019 08:24:08 -0700 (PDT) Received: from relais-inet.orange.com (relais-inet.orange.com [80.12.66.39]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 13960120130 for ; Tue, 13 Aug 2019 08:24:08 -0700 (PDT) Received: from opfedar04.francetelecom.fr (unknown [xx.xx.xx.6]) by opfedar23.francetelecom.fr (ESMTP service) with ESMTP id 467Ghk4SMQzBrtT for ; Tue, 13 Aug 2019 17:24:06 +0200 (CEST) Received: from Exchangemail-eme6.itn.ftgroup (unknown [xx.xx.13.86]) by opfedar04.francetelecom.fr (ESMTP service) with ESMTP id 467Ghk3qjCz1xnn for ; Tue, 13 Aug 2019 17:24:06 +0200 (CEST) Received: from [10.192.146.137] (10.114.13.247) by OPEXCAUBMA4.corporate.adroot.infra.ftgroup (10.114.13.86) with Microsoft SMTP Server (TLS) id 14.3.468.0; Tue, 13 Aug 2019 17:24:06 +0200 From: To: "pce@ietf.org" Organization: Orange Message-ID: <16519_1565709846_5D52D616_16519_496_1_f05f2ac1-8d39-7986-6658-d412aff7e0ec@orange.com> Date: Tue, 13 Aug 2019 17:24:04 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Language: en-US X-Originating-IP: [10.114.13.247] Archived-At: Subject: [Pce] Clarifications and Updates to RFC 8231 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Aug 2019 15:24:09 -0000 Dear PCE WG, As part of the WG business, we have recently identified some expectations surrounding RFC 8231. The chairs have been thinking on the way to progress associated improvements. Thus, it seems to us that properly splitting the resulting work will be more efficient, avoiding to delay too much the easy pieces. We suggest to work on both an Informational clarification and Standard Track updates. The former may start from some of material in draft-koldychev-pce-operational. The latter has already started with draft-farrel-pce-stateful-flags. This I-D being a very focused and uncontroversial fix, we will move it directly to WGLC and we expect any other standards track updates to be collected together in a new I-D. Thanks, Dhruv & Julien _________________________________________________________________________________________________________________________ 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. From nobody Wed Aug 14 07:04:01 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id F176A120801; Wed, 14 Aug 2019 07:03:58 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: IETF Secretariat To: Cc: pce@ietf.org, ipr-announce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <156579143896.30523.6823452024511722271@ietfa.amsl.com> Date: Wed, 14 Aug 2019 07:03:58 -0700 Archived-At: Subject: [Pce] IPR Disclosure Huawei Technologies Co., Ltd's Statement about IPR related to draft-ietf-pce-stateful-pce-lsp-scheduling X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Aug 2019 14:03:59 -0000 Dear Huaimo Chen, Zhuangyan, Qin Wu, Daniele Ceccarelli: An IPR disclosure that pertains to your Internet-Draft entitled "PCEP Extensions for LSP scheduling with stateful PCE" (draft-ietf-pce-stateful-pce-lsp-scheduling) was submitted to the IETF Secretariat on and has been posted on the "IETF Page of Intellectual Property Rights Disclosures" (https://datatracker.ietf.org/ipr/3682/). The title of the IPR disclosure is "Huawei Technologies Co.,Ltd's Statement about IPR related to draft-ietf-pce-stateful-pce-lsp-scheduling" Thank you IETF Secretariat From nobody Wed Aug 14 07:09:04 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id A177E120147; Wed, 14 Aug 2019 07:09:03 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: IETF Secretariat To: Cc: pce@ietf.org, ipr-announce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <156579174363.30463.7928390974072831692@ietfa.amsl.com> Date: Wed, 14 Aug 2019 07:09:03 -0700 Archived-At: Subject: [Pce] IPR Disclosure Huawei Technologies Co., Ltd's Statement about IPR related to draft-ietf-pce-stateful-pce-lsp-scheduling X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Aug 2019 14:09:04 -0000 Dear Huaimo Chen, Zhuangyan, Qin Wu, Daniele Ceccarelli: An IPR disclosure that pertains to your Internet-Draft entitled "PCEP Extensions for LSP scheduling with stateful PCE" (draft-ietf-pce-stateful-pce-lsp-scheduling) was submitted to the IETF Secretariat on and has been posted on the "IETF Page of Intellectual Property Rights Disclosures" (https://datatracker.ietf.org/ipr/3683/). The title of the IPR disclosure is "Huawei Technologies Co.,Ltd's Statement about IPR related to draft-ietf-pce-stateful-pce-lsp-scheduling" Thank you IETF Secretariat From nobody Wed Aug 14 08:51:29 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1958C120130; Wed, 14 Aug 2019 08:51:28 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.597 X-Spam-Level: X-Spam-Status: No, score=-2.597 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id v_tzegrfhF0t; Wed, 14 Aug 2019 08:51:26 -0700 (PDT) Received: from mta7.iomartmail.com (mta7.iomartmail.com [62.128.193.157]) (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 9F3861200C1; Wed, 14 Aug 2019 08:51:25 -0700 (PDT) Received: from vs3.iomartmail.com (vs3.iomartmail.com [10.12.10.124]) by mta7.iomartmail.com (8.14.4/8.14.4) with ESMTP id x7EFpN2K030269; Wed, 14 Aug 2019 16:51:23 +0100 Received: from vs3.iomartmail.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 002822203A; Wed, 14 Aug 2019 16:51:23 +0100 (BST) Received: from asmtp3.iomartmail.com (unknown [10.12.10.224]) by vs3.iomartmail.com (Postfix) with ESMTPS id DF67422032; Wed, 14 Aug 2019 16:51:22 +0100 (BST) Received: from LAPTOPK7AS653V (120.105.162.213.dyn.plus.net [213.162.105.120] (may be forged)) (authenticated bits=0) by asmtp3.iomartmail.com (8.14.4/8.14.4) with ESMTP id x7EFocil020395 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 14 Aug 2019 16:51:13 +0100 Reply-To: From: "Adrian Farrel" To: Cc: References: <002b01d53a44$1b49dbb0$51dd9310$@olddog.co.uk> In-Reply-To: <002b01d53a44$1b49dbb0$51dd9310$@olddog.co.uk> Date: Wed, 14 Aug 2019 16:50:38 +0100 Organization: Old Dog Consulting Message-ID: <005101d552b8$1dc111b0$59433510$@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: AQGvSqPBO30605KRpHk4GY0PJb3Gv6dG1aiQ Content-Language: en-gb X-Originating-IP: 213.162.105.120 X-Thinkmail-Auth: adrian@olddog.co.uk X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSVA-9.0.0.1623-8.2.0.1013-24848.000 X-TM-AS-Result: No--11.956-10.0-31-10 X-imss-scan-details: No--11.956-10.0-31-10 X-TMASE-Version: IMSVA-9.0.0.1623-8.2.1013-24848.000 X-TMASE-Result: 10--11.956000-10.000000 X-TMASE-MatchedRID: fE0JoqABJp3xIbpQ8BhdbLKe1KMOtvrh8QCUCx466G9XAXIeUMyR09xw X69jh9hhns9y7ZgvN6OhqJ45KPIF+7KRmD27FFbqUPktDdOX0fs6En2bnefhoGquw69QUQrLjAW n+cwj67YpBuTwKkPZjvZPjKzb6G9Xsh5ZvpwMTmSVUcz8XpiS9Ev3HgUK4EtR/gmHPoZ9Iu1m+j 6YVbX2YBHeOm5384q5vZeL+u8MT7okVm0IjglhHZzEHTUOuMX3qV3VmuIFNEtBN/6rzo4BS4mDm K9MSvN+zKO6rfLW2lpqnSH8sNhHpEyO27FZOPGvzNIobH2DzGEqaLKskc2Hcl70lsqJNmceH+mg UoY3FGCBuU0JjDySQaW6Ctebkgpww06jXpUJ/XLH9K2ZqHQWln0tCKdnhB58vqq8s2MNhPAL4Kb F8qbADAzKt8/2P4LV33fj+sMArfOEbaqKQSlAZQCy6IJw5HAsSfQweS9tq5v4pczG9Q3AZkHZJO lN1tIjU1ny4EWmj7Y= X-TMASE-SNAP-Result: 1.821001.0001-0-1-12:0,22:0,33:0,34:0-0 Archived-At: Subject: Re: [Pce] PCE WG Adoption poll for draft-leedhody-pce-vn-association X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Aug 2019 15:51:28 -0000 Hi PCE WG, The adoption poll for this draft was not overwhelming. Possibly this was because of the overlap with IETF-105 when you were all busy. Thanks to everyone who did respond to the poll. If there are any more of you out there who think the WG should adopt this work please speak up. Especially happy to hear form those who have read the draft, and those who plan to help with reviews and implementations. Thanks, Adrian (still trying to step down!) -----Original Message----- From: Pce On Behalf Of Adrian Farrel Sent: 14 July 2019 14:00 To: pce@ietf.org Cc: draft-leedhody-pce-vn-association@ietf.org Subject: [Pce] PCE WG Adoption poll for draft-leedhody-pce-vn-association Hi WG, He authors of draft-leedhody-pce-vn-association have been asking for adoption and... - the base PCEP association extensions seem to be stable and advancing - I did an early review and the authors span a new version So, this starts an adoption poll for the draft. Because IETF-105 is imminent and you all have lots to do and read, we'll make this a three week poll ending on 4th August. Please send your comments of support or antipathy. In either case, please indicate whether or not you have read the draft, and if you support it, please say whether or not you propose to and even possibly implement the draft. Many thanks, Adrian (for the chairs) _______________________________________________ Pce mailing list Pce@ietf.org https://www.ietf.org/mailman/listinfo/pce From nobody Wed Aug 14 12:30:23 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id CA314120E20; Wed, 14 Aug 2019 12:30:10 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Cc: The IESG , db3546@att.com, Jonathan Hardwick , pce@ietf.org, pce-chairs@ietf.org, jonathan.hardwick@metaswitch.com, draft-ietf-pce-inter-area-as-applicability@ietf.org, rfc-editor@rfc-editor.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Message-ID: <156581101081.2434.8077977777592624045.idtracker@ietfa.amsl.com> Date: Wed, 14 Aug 2019 12:30:10 -0700 Archived-At: Subject: [Pce] Document Action: 'Applicability of the Path Computation Element to Inter-Area and Inter-AS MPLS and GMPLS Traffic Engineering' to Informational RFC (draft-ietf-pce-inter-area-as-applicability-08.txt) X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Aug 2019 19:30:11 -0000 The IESG has approved the following document: - 'Applicability of the Path Computation Element to Inter-Area and Inter- AS MPLS and GMPLS Traffic Engineering' (draft-ietf-pce-inter-area-as-applicability-08.txt) as Informational RFC This document is the product of the Path Computation Element Working Group. The IESG contact persons are Alvaro Retana, Martin Vigoureux and Deborah Brungard. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-inter-area-as-applicability/ Technical Summary This document discusses the applicability of the PCE architecture to various inter-domain use cases. Working Group Summary The document's progress through the working group was smooth. Document Quality The document is an applicability statement; there are several implementations of the PCE features that it discusses. Personnel Who is the Document Shepherd for this document? Jon Hardwick Who is the Responsible Area Director? Deborah Brungard From nobody Wed Aug 14 13:02:42 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id A26FA120E98; Wed, 14 Aug 2019 13:02:39 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Sender: CC: db3546@att.com, Adrian Farrel , pce@ietf.org, pce-chairs@ietf.org, adrian@olddog.co.uk, draft-ietf-pce-stateful-pce-auto-bandwidth@ietf.org Content-Transfer-Encoding: 7bit Reply-To: ietf@ietf.org Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Message-ID: <156581295965.2367.11017229672011392648.idtracker@ietfa.amsl.com> Date: Wed, 14 Aug 2019 13:02:39 -0700 Archived-At: Subject: [Pce] Last Call: (PCEP Extensions for MPLS-TE LSP Automatic Bandwidth Adjustment with Stateful PCE) to Proposed Standard X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Aug 2019 20:02:40 -0000 The IESG has received a request from the Path Computation Element WG (pce) to consider the following document: - 'PCEP Extensions for MPLS-TE LSP Automatic Bandwidth Adjustment with Stateful PCE' 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 2019-08-28. 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 The Path Computation Element Communication Protocol (PCEP) provides mechanisms for Path Computation Elements (PCEs) to perform path computations in response to Path Computation Clients (PCCs) requests. The Stateful PCE extensions allow stateful control of Multi-Protocol Label Switching (MPLS) Traffic Engineering Label Switched Paths (TE LSPs) using PCEP. The automatic bandwidth feature allows automatic and dynamic adjustment of the TE LSP bandwidth reservation based on the volume of traffic flowing through the LSP. This document describes PCEP extensions for automatic bandwidth adjustment when employing an Active Stateful PCE for both PCE-Initiated and PCC-Initiated LSPs. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-pce-auto-bandwidth/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-pce-auto-bandwidth/ballot/ The following IPR Declarations may be related to this I-D: https://datatracker.ietf.org/ipr/2996/ From nobody Wed Aug 14 13:06:52 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 7D965120EA5; Wed, 14 Aug 2019 13:06:45 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Sender: CC: db3546@att.com, Hariharan Ananthakrishnan , hari@netflix.com, pce@ietf.org, pce-chairs@ietf.org, draft-ietf-pce-lsp-control-request@ietf.org Content-Transfer-Encoding: 7bit Reply-To: ietf@ietf.org Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Message-ID: <156581320550.2330.1005062949361159498.idtracker@ietfa.amsl.com> Date: Wed, 14 Aug 2019 13:06:45 -0700 Archived-At: Subject: [Pce] Last Call: (Ability for a Stateful Path Computation Element (PCE) to request and obtain control of a Label Switched Path (LSP)) to Proposed Standard X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Aug 2019 20:06:46 -0000 The IESG has received a request from the Path Computation Element WG (pce) to consider the following document: - 'Ability for a Stateful Path Computation Element (PCE) to request and obtain control of a Label Switched Path (LSP)' 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 2019-08-28. 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 A Stateful Path Computation Element (PCE) retains information about the placement of Multiprotocol Label Switching (MPLS) Traffic Engineering Label Switched Paths (TE LSPs). When a PCE has stateful control over LSPs it may send indications to LSP head-ends to modify the attributes (especially the paths) of the LSPs. A Path Computation Client (PCC) has set up LSPs under local configuration may delegate control of those LSPs to a stateful PCE. There are use-cases in which a stateful PCE may wish to obtain control of locally configured LSPs of which it is aware but that have not been delegated to the PCE. This document describes an extension to the Path Computation Element communication Protocol (PCEP) to enable a PCE to make such requests. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-pce-lsp-control-request/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-pce-lsp-control-request/ballot/ No IPR declarations have been submitted directly on this I-D. From nobody Wed Aug 14 13:07:14 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id D92C9120F04; Wed, 14 Aug 2019 13:07:02 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Sender: CC: db3546@att.com, Adrian Farrel , draft-ietf-pce-stateful-hpce@ietf.org, pce@ietf.org, pce-chairs@ietf.org, adrian@olddog.co.uk Content-Transfer-Encoding: 7bit Reply-To: ietf@ietf.org Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Message-ID: <156581322288.2426.2480687848308427813.idtracker@ietfa.amsl.com> Date: Wed, 14 Aug 2019 13:07:02 -0700 Archived-At: Subject: [Pce] Last Call: (Hierarchical Stateful Path Computation Element (PCE).) to Informational RFC X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Aug 2019 20:07:08 -0000 The IESG has received a request from the Path Computation Element WG (pce) to consider the following document: - 'Hierarchical Stateful Path Computation Element (PCE).' as Informational RFC 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 2019-08-28. 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 A Stateful Path Computation Element (PCE) maintains information on the current network state, including: computed Label Switched Path (LSPs), reserved resources within the network, and pending path computation requests. This information may then be considered when computing new traffic engineered LSPs, and for associated and dependent LSPs, received from Path Computation Clients (PCCs). The Path computation response from a PCE is helpful for the PCC to gracefully establish the computed LSP. The Hierarchical Path Computation Element (H-PCE) architecture, provides an architecture to allow the optimum sequence of inter-connected domains to be selected, and network policy to be applied if applicable, via the use of a hierarchical relationship between PCEs. Combining the capabilities of Stateful PCE and the Hierarchical PCE would be advantageous. This document describes general considerations and use cases for the deployment of Stateful, and not Stateless, PCEs using the Hierarchical PCE architecture. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-hpce/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-hpce/ballot/ No IPR declarations have been submitted directly on this I-D. From nobody Wed Aug 14 13:35:11 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 142BE120800; Wed, 14 Aug 2019 13:35:10 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Sender: CC: db3546@att.com, draft-ietf-pce-stateful-path-protection@ietf.org, pce@ietf.org, pce-chairs@ietf.org, Julien Meuric , julien.meuric@orange.com Content-Transfer-Encoding: 7bit Reply-To: ietf@ietf.org Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Message-ID: <156581491000.2452.2383208328286571219.idtracker@ietfa.amsl.com> Date: Wed, 14 Aug 2019 13:35:10 -0700 Archived-At: Subject: [Pce] Last Call: (PCEP Extensions for Associating Working and Protection LSPs with Stateful PCE) to Proposed Standard X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Aug 2019 20:35:10 -0000 The IESG has received a request from the Path Computation Element WG (pce) to consider the following document: - 'PCEP Extensions for Associating Working and Protection LSPs with Stateful PCE' 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 2019-08-28. 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 An active stateful Path Computation Element (PCE) is capable of computing as well as controlling via Path Computation Element Communication Protocol (PCEP) Multiprotocol Label Switching Traffic Engineering Label Switched Paths (MPLS LSP). Furthermore, it is also possible for an active stateful PCE to create, maintain, and delete LSPs. This document describes PCEP extension to associate two or more LSPs to provide end-to-end path protection. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-path-protection/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-path-protection/ballot/ No IPR declarations have been submitted directly on this I-D. From nobody Wed Aug 14 18:01:55 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B7EC912001A for ; Wed, 14 Aug 2019 18:01:52 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.201 X-Spam-Level: X-Spam-Status: No, score=-4.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ibxsSAS0KQS8 for ; Wed, 14 Aug 2019 18:01:50 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C8175120019 for ; Wed, 14 Aug 2019 18:01:50 -0700 (PDT) Received: from LHREML711-CAH.china.huawei.com (unknown [172.18.7.108]) by Forcepoint Email with ESMTP id 1B407FF081B2F2308984 for ; Thu, 15 Aug 2019 02:01:48 +0100 (IST) Received: from dggeme704-chm.china.huawei.com (10.1.199.100) by LHREML711-CAH.china.huawei.com (10.201.108.34) with Microsoft SMTP Server (TLS) id 14.3.408.0; Thu, 15 Aug 2019 02:01:47 +0100 Received: from dggeme751-chm.china.huawei.com (10.3.19.97) by dggeme704-chm.china.huawei.com (10.1.199.100) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1591.10; Thu, 15 Aug 2019 09:01:45 +0800 Received: from dggeme751-chm.china.huawei.com ([169.254.210.30]) by dggeme751-chm.china.huawei.com ([169.254.210.30]) with mapi id 15.01.1591.008; Thu, 15 Aug 2019 09:01:45 +0800 From: "Zhangxian (Xian)" To: "pce@ietf.org" Thread-Topic: [Pce] PCE WG Adoption poll for draft-leedhody-pce-vn-association Thread-Index: AdVTBPIhO30605KRpHk4GY0PJb3Gvw== Date: Thu, 15 Aug 2019 01:01:45 +0000 Message-ID: <15fd12e1cfce4910b33d00f322cc4f40@huawei.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.63.139.71] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [Pce] PCE WG Adoption poll for draft-leedhody-pce-vn-association X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Aug 2019 01:01:53 -0000 U3VwcG9ydCBhcyBjby1hdXRob3IuDQoNClhpYW4NCg0KLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0t LS0NCkZyb206IFBjZSA8cGNlLWJvdW5jZXNAaWV0Zi5vcmc+IE9uIEJlaGFsZiBPZiBBZHJpYW4g RmFycmVsDQpTZW50OiAxNCBKdWx5IDIwMTkgMTQ6MDANClRvOiBwY2VAaWV0Zi5vcmcNCkNjOiBk cmFmdC1sZWVkaG9keS1wY2Utdm4tYXNzb2NpYXRpb25AaWV0Zi5vcmcNClN1YmplY3Q6IFtQY2Vd IFBDRSBXRyBBZG9wdGlvbiBwb2xsIGZvciBkcmFmdC1sZWVkaG9keS1wY2Utdm4tYXNzb2NpYXRp b24NCg0KSGkgV0csDQoNCkhlIGF1dGhvcnMgb2YgZHJhZnQtbGVlZGhvZHktcGNlLXZuLWFzc29j aWF0aW9uIGhhdmUgYmVlbiBhc2tpbmcgZm9yIGFkb3B0aW9uIGFuZC4uLg0KDQotIHRoZSBiYXNl IFBDRVAgYXNzb2NpYXRpb24gZXh0ZW5zaW9ucyBzZWVtIHRvIGJlIHN0YWJsZSBhbmQgYWR2YW5j aW5nDQotIEkgZGlkIGFuIGVhcmx5IHJldmlldyBhbmQgdGhlIGF1dGhvcnMgc3BhbiBhIG5ldyB2 ZXJzaW9uDQoNClNvLCB0aGlzIHN0YXJ0cyBhbiBhZG9wdGlvbiBwb2xsIGZvciB0aGUgZHJhZnQu IEJlY2F1c2UgSUVURi0xMDUgaXMgaW1taW5lbnQgYW5kIHlvdSBhbGwgaGF2ZSBsb3RzIHRvIGRv IGFuZCByZWFkLCB3ZSdsbCBtYWtlIHRoaXMgYSB0aHJlZSB3ZWVrIHBvbGwgZW5kaW5nIG9uIDR0 aCBBdWd1c3QuDQoNClBsZWFzZSBzZW5kIHlvdXIgY29tbWVudHMgb2Ygc3VwcG9ydCBvciBhbnRp cGF0aHkuDQoNCkluIGVpdGhlciBjYXNlLCBwbGVhc2UgaW5kaWNhdGUgd2hldGhlciBvciBub3Qg eW91IGhhdmUgcmVhZCB0aGUgZHJhZnQsIGFuZCBpZiB5b3Ugc3VwcG9ydCBpdCwgcGxlYXNlIHNh eSB3aGV0aGVyIG9yIG5vdCB5b3UgcHJvcG9zZSB0byBhbmQgZXZlbiBwb3NzaWJseSBpbXBsZW1l bnQgdGhlIGRyYWZ0Lg0KDQpNYW55IHRoYW5rcywNCkFkcmlhbiAoZm9yIHRoZSBjaGFpcnMpDQoN Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fDQpQY2UgbWFp bGluZyBsaXN0DQpQY2VAaWV0Zi5vcmcNCmh0dHBzOi8vd3d3LmlldGYub3JnL21haWxtYW4vbGlz dGluZm8vcGNlDQoNCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fDQpQY2UgbWFpbGluZyBsaXN0DQpQY2VAaWV0Zi5vcmcNCmh0dHBzOi8vd3d3LmlldGYub3Jn L21haWxtYW4vbGlzdGluZm8vcGNlDQo= From nobody Wed Aug 14 19:43:11 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4A9DB120816; Wed, 14 Aug 2019 19:43:09 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.201 X-Spam-Level: X-Spam-Status: No, score=-4.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ThvIB4v_cMVG; Wed, 14 Aug 2019 19:43:07 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 20BEE120122; Wed, 14 Aug 2019 19:43:07 -0700 (PDT) Received: from lhreml704-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id E828AC7CA20B87DFC993; Thu, 15 Aug 2019 03:43:04 +0100 (IST) Received: from DGGEML401-HUB.china.huawei.com (10.3.17.32) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.408.0; Thu, 15 Aug 2019 03:43:04 +0100 Received: from DGGEML529-MBX.china.huawei.com ([169.254.6.253]) by DGGEML401-HUB.china.huawei.com ([fe80::89ed:853e:30a9:2a79%31]) with mapi id 14.03.0439.000; Thu, 15 Aug 2019 10:38:40 +0800 From: "Chengli (Cheng Li)" To: "adrian@olddog.co.uk" , "pce@ietf.org" CC: "draft-leedhody-pce-vn-association@ietf.org" Thread-Topic: [Pce] PCE WG Adoption poll for draft-leedhody-pce-vn-association Thread-Index: AdU6Q4xvTJ99DzIaRmKYTD/3pZYP7AYMWnoAACcgJAA= Date: Thu, 15 Aug 2019 02:38:39 +0000 Message-ID: References: <002b01d53a44$1b49dbb0$51dd9310$@olddog.co.uk> <005101d552b8$1dc111b0$59433510$@olddog.co.uk> In-Reply-To: <005101d552b8$1dc111b0$59433510$@olddog.co.uk> 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: [Pce] PCE WG Adoption poll for draft-leedhody-pce-vn-association X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Aug 2019 02:43:09 -0000 Support. The draft will help on virtual network in PCE architecture, and th= e text is mature with implementation status as well. I am thinking that I should read more drafts of PCE association, so many go= od ideas!=20 Thanks to the authors and contributors, the stepping down chair as well. = :) Best Regards, Cheng -----Original Message----- From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Adrian Farrel Sent: Wednesday, August 14, 2019 11:51 PM To: pce@ietf.org Cc: draft-leedhody-pce-vn-association@ietf.org Subject: Re: [Pce] PCE WG Adoption poll for draft-leedhody-pce-vn-associati= on Hi PCE WG, The adoption poll for this draft was not overwhelming. Possibly this was be= cause of the overlap with IETF-105 when you were all busy. Thanks to everyone who did respond to the poll. If there are any more of yo= u out there who think the WG should adopt this work please speak up. Especially happy to hear form those who have read the draft, and those who = plan to help with reviews and implementations. Thanks, Adrian (still trying to step down!) -----Original Message----- From: Pce On Behalf Of Adrian Farrel Sent: 14 July 2019 14:00 To: pce@ietf.org Cc: draft-leedhody-pce-vn-association@ietf.org Subject: [Pce] PCE WG Adoption poll for draft-leedhody-pce-vn-association Hi WG, He authors of draft-leedhody-pce-vn-association have been asking for adopti= on and... - the base PCEP association extensions seem to be stable and advancing - I did an early review and the authors span a new version So, this starts an adoption poll for the draft. Because IETF-105 is imminen= t and you all have lots to do and read, we'll make this a three week poll e= nding on 4th August. Please send your comments of support or antipathy. In either case, please indicate whether or not you have read the draft, and= if you support it, please say whether or not you propose to and even possi= bly implement the draft. Many thanks, Adrian (for the chairs) _______________________________________________ Pce mailing list Pce@ietf.org https://www.ietf.org/mailman/listinfo/pce _______________________________________________ Pce mailing list Pce@ietf.org https://www.ietf.org/mailman/listinfo/pce From nobody Wed Aug 14 20:50:07 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 182DE12002E; Wed, 14 Aug 2019 20:50:06 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.889 X-Spam-Level: X-Spam-Status: No, score=-1.889 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_KAM_HTML_FONT_INVALID=0.01] 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 BGAPj5IMfJoj; Wed, 14 Aug 2019 20:50:03 -0700 (PDT) Received: from m176115.mail.qiye.163.com (m176115.mail.qiye.163.com [59.111.176.115]) by ietfa.amsl.com (Postfix) with ESMTP id 21AFD12001A; Wed, 14 Aug 2019 20:50:02 -0700 (PDT) Received: from WangajPC (unknown [219.142.69.77]) by m176115.mail.qiye.163.com (Hmail) with ESMTPA id A335A6620AD; Thu, 15 Aug 2019 11:49:54 +0800 (CST) From: "Aijun Wang" To: , Cc: References: <002b01d53a44$1b49dbb0$51dd9310$@olddog.co.uk> <005101d552b8$1dc111b0$59433510$@olddog.co.uk> In-Reply-To: <005101d552b8$1dc111b0$59433510$@olddog.co.uk> Date: Thu, 15 Aug 2019 11:49:55 +0800 Message-ID: <018a01d5531c$80eccd10$82c66730$@org.cn> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_018B_01D5535F.8F100D10" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AQGvSqPBO30605KRpHk4GY0PJb3Gv6dG1aiQgADMKWA= Content-Language: zh-cn X-HM-Spam-Status: e1kfGhgUHx5ZQUtXWQgYFAkeWUFZVkpVQ0pIS0tLSUtJSkxDQk1ZV1koWU FKTEtLSjdXWS1ZQUlXWQkOFx4IWUFZNTQpNjo3JCkuNz5ZBg++ X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6PUk6CSo6AzlJQj0BIRYeLxEh SAlPCx9VSlVKTk1OQ09KS0tLS05LVTMWGhIXVQwaFRwaEhEOFTsPCBIVHBMOGlUUCRxVGBVFWVdZ EgtZQVlJSkJVSk9JVU1CVUxMWVdZCAFZQUpNQkJCNwY+ X-HM-Tid: 0a6c936571cc9373kuwsa335a6620ad Archived-At: Subject: [Pce] =?gb2312?b?tPC4tDogIFBDRSBXRyBBZG9wdGlvbiBwb2xsIGZvciBk?= =?gb2312?b?cmFmdC1sZWVkaG9keS1wY2Utdm4tYXNzb2NpYXRpb24=?= X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Aug 2019 03:50:06 -0000 This is a multi-part message in MIME format. ------=_NextPart_000_018B_01D5535F.8F100D10 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: quoted-printable Hi, All: =20 Support for the adoption. =20 One suggestion is the following: =20 As described in section 3.2 of [draft ietf-pce-association-group]: =A1=B0PCEP extensions that define a new association type should clarify = the relationship between the SVEC object and the association type, if = any.=A1=B1 =20 As the VN creation request if from the customer, can the =A1=B0Requestion-ID-number=A1=B1 be used to association these PCE = initiated associated LSPs? Add some text to clarify this may be more helpful. =20 =20 Best Regards. =20 Aijun Wang China Telecom =20 =20 -----=D3=CA=BC=FE=D4=AD=BC=FE----- =B7=A2=BC=FE=C8=CB: pce-bounces@ietf.org [mailto:pce-bounces@ietf.org] = =B4=FA=B1=ED Adrian Farrel =B7=A2=CB=CD=CA=B1=BC=E4: 2019=C4=EA8=D4=C214=C8=D5 23:51 =CA=D5=BC=FE=C8=CB: pce@ietf.org =B3=AD=CB=CD: draft-leedhody-pce-vn-association@ietf.org =D6=F7=CC=E2: Re: [Pce] PCE WG Adoption poll for = draft-leedhody-pce-vn-association =20 Hi PCE WG, =20 The adoption poll for this draft was not overwhelming. Possibly this was because of the overlap with IETF-105 when you were all busy. =20 Thanks to everyone who did respond to the poll. If there are any more of = you out there who think the WG should adopt this work please speak up. Especially happy to hear form those who have read the draft, and those = who plan to help with reviews and implementations. =20 Thanks, Adrian (still trying to step down!) =20 -----Original Message----- From: Pce < pce-bounces@ietf.org> On = Behalf Of Adrian Farrel Sent: 14 July 2019 14:00 To: pce@ietf.org Cc: draft-leedhody-pce-vn-association@ietf.org Subject: [Pce] PCE WG Adoption poll for = draft-leedhody-pce-vn-association =20 Hi WG, =20 He authors of draft-leedhody-pce-vn-association have been asking for adoption and... =20 - the base PCEP association extensions seem to be stable and advancing - I did an early review and the authors span a new version =20 So, this starts an adoption poll for the draft. Because IETF-105 is = imminent and you all have lots to do and read, we'll make this a three week poll ending on 4th August. =20 Please send your comments of support or antipathy. =20 In either case, please indicate whether or not you have read the draft, = and if you support it, please say whether or not you propose to and even possibly implement the draft. =20 Many thanks, Adrian (for the chairs) =20 _______________________________________________ Pce mailing list Pce@ietf.org https://www.ietf.org/mailman/listinfo/pce =20 _______________________________________________ Pce mailing list Pce@ietf.org https://www.ietf.org/mailman/listinfo/pce ------=_NextPart_000_018B_01D5535F.8F100D10 Content-Type: text/html; charset="gb2312" Content-Transfer-Encoding: quoted-printable

Hi, = All:

 

Support for the adoption.

 

One suggestion is the = following:

 

As described in section 3.2 of [draft = ietf-pce-association-group]:

=A1=B0PCEP extensions that define a new =
association type should clarify the relationship between the SVEC object =
and the association type, if =
any.=A1=B1
 
As the VN = creation request if from the customer, can the =A1=B0Requestion-= ID-number=A1=B1 be used = to association these PCE initiated associated LSPs? Add some text to = clarify this may be more helpful.
 =

 

Best Regards.

 

Aijun Wang

China Telecom

 

 

-----=D3=CA=BC=FE=D4=AD=BC=FE-----
=B7=A2=BC=FE=C8=CB: pce-bounces@ietf.org [mailto:pce-bounces@ietf.org] = =B4=FA=B1=ED = Adrian Farrel
=B7=A2=CB=CD=CA=B1=BC=E4: 2019=C4=EA8=D4=C214=C8=D5 = 23:51
=CA=D5=BC=FE=C8=CB: pce@ietf.org
=B3=AD=CB=CD: = draft-leedhody-pce-vn-association@ietf.org
=D6=F7=CC=E2: Re: [Pce] PCE WG Adoption poll for = draft-leedhody-pce-vn-association

 

Hi PCE = WG,

 

The adoption poll for this draft was not overwhelming. = Possibly this was because of the overlap with IETF-105 when you were all = busy.

 

Thanks to everyone who did respond to the poll. If there = are any more of you out there who think the WG should adopt this work = please speak up.

Especially happy to hear form those who have read the = draft, and those who plan to help with reviews and = implementations.

 

Thanks,

Adrian (still trying to step down!)

 

-----Original = Message-----

From: Pce <pce-bounces@ietf.org> On Behalf Of Adrian Farrel

Sent: 14 July 2019 = 14:00

To: pce@ietf.org

Cc: draft-leedhody-pce-vn-ass= ociation@ietf.org

Subject: [Pce] PCE WG Adoption = poll for draft-leedhody-pce-vn-association

 

Hi WG,

 

He authors of = draft-leedhody-pce-vn-association have been asking for adoption = and...

 

- the base PCEP association extensions seem to be stable = and advancing

- I did an early review and the authors span a new = version

 

So, this starts an adoption poll for the draft. Because = IETF-105 is imminent and you all have lots to do and read, we'll make = this a three week poll ending on 4th August.

 

Please send your comments of = support or antipathy.

 

In either case, please indicate whether or not you have = read the draft, and if you support it, please say whether or not you = propose to and even possibly implement the = draft.

 

Many thanks,

Adrian (for the = chairs)

 

_______________________________________________

Pce mailing = list

Pce@ietf.org

https://www.ietf.org/mail= man/listinfo/pce

 

_______________________________________________

Pce mailing = list

Pce@ietf.org

https://www.ietf.org/mail= man/listinfo/pce

------=_NextPart_000_018B_01D5535F.8F100D10-- From nobody Wed Aug 14 20:52:22 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 4187312002E; Wed, 14 Aug 2019 20:52:19 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: pce@ietf.org Message-ID: <156584113920.2452.5448496332655921872@ietfa.amsl.com> Date: Wed, 14 Aug 2019 20:52:19 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-enhanced-errors-06.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Aug 2019 03:52:19 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : Extensions to the Path Computation Element Communication Protocol for Enhanced Errors and Notifications Authors : Helia Pouyllau Remi Theillaud Julien Meuric Haomian Zheng Xian Zhang Filename : draft-ietf-pce-enhanced-errors-06.txt Pages : 22 Date : 2019-08-14 Abstract: This document defines new error and notification TLVs for the PCE Communication Protocol (PCEP) specified in RFC5440, and will update it. It identifies the possible PCEP behaviors in case of error or notification. Thus, this draft defines types of errors and how they are disclosed to other PCEs in order to support predefined PCEP behaviors. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-enhanced-errors/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-enhanced-errors-06 https://datatracker.ietf.org/doc/html/draft-ietf-pce-enhanced-errors-06 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-enhanced-errors-06 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Wed Aug 14 23:25:13 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 922BC120048 for ; Wed, 14 Aug 2019 23:25:11 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.201 X-Spam-Level: X-Spam-Status: No, score=-4.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bm0GsnVTr-2n for ; Wed, 14 Aug 2019 23:25:09 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B19B0120045 for ; Wed, 14 Aug 2019 23:25:09 -0700 (PDT) Received: from lhreml709-cah.china.huawei.com (unknown [172.18.7.107]) by Forcepoint Email with ESMTP id 63C04DEC87E10E92EA8D for ; Thu, 15 Aug 2019 07:25:08 +0100 (IST) Received: from DGGEML423-HUB.china.huawei.com (10.1.199.40) by lhreml709-cah.china.huawei.com (10.201.108.32) with Microsoft SMTP Server (TLS) id 14.3.408.0; Thu, 15 Aug 2019 07:25:07 +0100 Received: from DGGEML511-MBX.china.huawei.com ([169.254.1.74]) by dggeml423-hub.china.huawei.com ([10.1.199.40]) with mapi id 14.03.0439.000; Thu, 15 Aug 2019 14:25:01 +0800 From: Zhenghaomian To: "pce@ietf.org" Thread-Topic: [Pce] I-D Action: draft-ietf-pce-enhanced-errors-06.txt Thread-Index: AdVTMgw7S+k5hHE/T1Cxhr6UFcWYEg== Date: Thu, 15 Aug 2019 06:25:00 +0000 Message-ID: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.24.179.43] Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [Pce] I-D Action: draft-ietf-pce-enhanced-errors-06.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Aug 2019 06:25:11 -0000 SGksIFdHLCANCg0KSW4gdGhpcyB1cGRhdGUgd2UgaW5jb3Jwb3JhdGUgdGhlIGd1aWRlbGluZSBp bmZvcm1hdGlvbiBhZ3JlZWQgb24gdGhlIGxpc3QgaW50byBzZWN0aW9uIDY7IGEgZmV3IG5pdHMg aGF2ZSBhbHNvIGJlZW4gZml4ZWQuIA0KDQpZb3UgYXJlIHdlbGNvbWUgdG8gcmV2aWV3IGFuZCBw cm92aWRlIGNvbW1lbnRzLCB0aGFuayB5b3UuIA0KDQpCZXN0IHdpc2hlcywNCkhhb21pYW4NCg0K DQotLS0tLdPKvP7Urbz+LS0tLS0NCreivP7IyzogUGNlIFttYWlsdG86cGNlLWJvdW5jZXNAaWV0 Zi5vcmddILT6se0gaW50ZXJuZXQtZHJhZnRzQGlldGYub3JnDQq3osvNyrG85DogMjAxOcTqONTC MTXI1SAxMTo1Mg0KytW8/sjLOiBpLWQtYW5ub3VuY2VAaWV0Zi5vcmcNCrOty806IHBjZUBpZXRm Lm9yZw0K1vfM4jogW1BjZV0gSS1EIEFjdGlvbjogZHJhZnQtaWV0Zi1wY2UtZW5oYW5jZWQtZXJy b3JzLTA2LnR4dA0KDQoNCkEgTmV3IEludGVybmV0LURyYWZ0IGlzIGF2YWlsYWJsZSBmcm9tIHRo ZSBvbi1saW5lIEludGVybmV0LURyYWZ0cyBkaXJlY3Rvcmllcy4NClRoaXMgZHJhZnQgaXMgYSB3 b3JrIGl0ZW0gb2YgdGhlIFBhdGggQ29tcHV0YXRpb24gRWxlbWVudCBXRyBvZiB0aGUgSUVURi4N Cg0KICAgICAgICBUaXRsZSAgICAgICAgICAgOiBFeHRlbnNpb25zIHRvIHRoZSBQYXRoIENvbXB1 dGF0aW9uIEVsZW1lbnQgQ29tbXVuaWNhdGlvbiBQcm90b2NvbCBmb3IgRW5oYW5jZWQgRXJyb3Jz IGFuZCBOb3RpZmljYXRpb25zDQogICAgICAgIEF1dGhvcnMgICAgICAgICA6IEhlbGlhIFBvdXls bGF1DQogICAgICAgICAgICAgICAgICAgICAgICAgIFJlbWkgVGhlaWxsYXVkDQogICAgICAgICAg ICAgICAgICAgICAgICAgIEp1bGllbiBNZXVyaWMNCiAgICAgICAgICAgICAgICAgICAgICAgICAg SGFvbWlhbiBaaGVuZw0KICAgICAgICAgICAgICAgICAgICAgICAgICBYaWFuIFpoYW5nDQoJRmls ZW5hbWUgICAgICAgIDogZHJhZnQtaWV0Zi1wY2UtZW5oYW5jZWQtZXJyb3JzLTA2LnR4dA0KCVBh Z2VzICAgICAgICAgICA6IDIyDQoJRGF0ZSAgICAgICAgICAgIDogMjAxOS0wOC0xNA0KDQpBYnN0 cmFjdDoNCiAgIFRoaXMgZG9jdW1lbnQgZGVmaW5lcyBuZXcgZXJyb3IgYW5kIG5vdGlmaWNhdGlv biBUTFZzIGZvciB0aGUgUENFDQogICBDb21tdW5pY2F0aW9uIFByb3RvY29sIChQQ0VQKSBzcGVj aWZpZWQgaW4gUkZDNTQ0MCwgYW5kIHdpbGwgdXBkYXRlDQogICBpdC4gIEl0IGlkZW50aWZpZXMg dGhlIHBvc3NpYmxlIFBDRVAgYmVoYXZpb3JzIGluIGNhc2Ugb2YgZXJyb3Igb3INCiAgIG5vdGlm aWNhdGlvbi4gIFRodXMsIHRoaXMgZHJhZnQgZGVmaW5lcyB0eXBlcyBvZiBlcnJvcnMgYW5kIGhv dyB0aGV5DQogICBhcmUgZGlzY2xvc2VkIHRvIG90aGVyIFBDRXMgaW4gb3JkZXIgdG8gc3VwcG9y dCBwcmVkZWZpbmVkIFBDRVANCiAgIGJlaGF2aW9ycy4NCg0KDQpUaGUgSUVURiBkYXRhdHJhY2tl ciBzdGF0dXMgcGFnZSBmb3IgdGhpcyBkcmFmdCBpczoNCmh0dHBzOi8vZGF0YXRyYWNrZXIuaWV0 Zi5vcmcvZG9jL2RyYWZ0LWlldGYtcGNlLWVuaGFuY2VkLWVycm9ycy8NCg0KVGhlcmUgYXJlIGFs c28gaHRtbGl6ZWQgdmVyc2lvbnMgYXZhaWxhYmxlIGF0Og0KaHR0cHM6Ly90b29scy5pZXRmLm9y Zy9odG1sL2RyYWZ0LWlldGYtcGNlLWVuaGFuY2VkLWVycm9ycy0wNg0KaHR0cHM6Ly9kYXRhdHJh Y2tlci5pZXRmLm9yZy9kb2MvaHRtbC9kcmFmdC1pZXRmLXBjZS1lbmhhbmNlZC1lcnJvcnMtMDYN Cg0KQSBkaWZmIGZyb20gdGhlIHByZXZpb3VzIHZlcnNpb24gaXMgYXZhaWxhYmxlIGF0Og0KaHR0 cHM6Ly93d3cuaWV0Zi5vcmcvcmZjZGlmZj91cmwyPWRyYWZ0LWlldGYtcGNlLWVuaGFuY2VkLWVy cm9ycy0wNg0KDQoNClBsZWFzZSBub3RlIHRoYXQgaXQgbWF5IHRha2UgYSBjb3VwbGUgb2YgbWlu dXRlcyBmcm9tIHRoZSB0aW1lIG9mIHN1Ym1pc3Npb24gdW50aWwgdGhlIGh0bWxpemVkIHZlcnNp b24gYW5kIGRpZmYgYXJlIGF2YWlsYWJsZSBhdCB0b29scy5pZXRmLm9yZy4NCg0KSW50ZXJuZXQt RHJhZnRzIGFyZSBhbHNvIGF2YWlsYWJsZSBieSBhbm9ueW1vdXMgRlRQIGF0Og0KZnRwOi8vZnRw LmlldGYub3JnL2ludGVybmV0LWRyYWZ0cy8NCg0KX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18NClBjZSBtYWlsaW5nIGxpc3QNClBjZUBpZXRmLm9yZw0KaHR0 cHM6Ly93d3cuaWV0Zi5vcmcvbWFpbG1hbi9saXN0aW5mby9wY2UNCg== From nobody Thu Aug 15 14:54:24 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 881C61200C7; Thu, 15 Aug 2019 14:54:22 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: pce@ietf.org Message-ID: <156590606246.15865.2578461785759764862@ietfa.amsl.com> Date: Thu, 15 Aug 2019 14:54:22 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-pcep-flowspec-05.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Aug 2019 21:54:22 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : PCEP Extension for Flow Specification Authors : Dhruv Dhody Adrian Farrel Zhenbin Li Filename : draft-ietf-pce-pcep-flowspec-05.txt Pages : 32 Date : 2019-08-15 Abstract: The Path Computation Element (PCE) is a functional component capable of selecting the paths through a traffic engineered network. These paths may be supplied in response to requests for computation, or may be unsolicited instructions issued by the PCE to network elements. Both approaches use the PCE Communication Protocol (PCEP) to convey the details of the computed path. Traffic flows may be categorized and described using "Flow Specifications". RFC 5575 defines the Flow Specification and describes how Flow Specification Components are used to describe traffic flows. RFC 5575 also defines how Flow Specifications may be distributed in BGP to allow specific traffic flows to be associated with routes. This document specifies a set of extensions to PCEP to support dissemination of Flow Specifications. This allows a PCE to indicate what traffic should be placed on each path that it is aware of. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-flowspec/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-pcep-flowspec-05 https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-flowspec-05 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-flowspec-05 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Thu Aug 15 14:57:20 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 282E01200E7 for ; Thu, 15 Aug 2019 14:57:19 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.598 X-Spam-Level: X-Spam-Status: No, score=-2.598 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_NONE=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 oHMRKy2QIA_4 for ; Thu, 15 Aug 2019 14:57:17 -0700 (PDT) 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 D3FC71200C7 for ; Thu, 15 Aug 2019 14:57:16 -0700 (PDT) Received: from vs1.iomartmail.com (vs1.iomartmail.com [10.12.10.121]) by mta6.iomartmail.com (8.14.4/8.14.4) with ESMTP id x7FLvErm005538 for ; Thu, 15 Aug 2019 22:57:14 +0100 Received: from vs1.iomartmail.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 96A3B2203B for ; Thu, 15 Aug 2019 22:57:14 +0100 (BST) Received: from asmtp2.iomartmail.com (unknown [10.12.10.249]) by vs1.iomartmail.com (Postfix) with ESMTPS id 81DBC2203A for ; Thu, 15 Aug 2019 22:57:14 +0100 (BST) Received: from LAPTOPK7AS653V (120.105.162.213.dyn.plus.net [213.162.105.120] (may be forged)) (authenticated bits=0) by asmtp2.iomartmail.com (8.14.4/8.14.4) with ESMTP id x7FLvCns019900 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 15 Aug 2019 22:57:14 +0100 Reply-To: From: "Adrian Farrel" To: References: <156590606246.15865.2578461785759764862@ietfa.amsl.com> In-Reply-To: <156590606246.15865.2578461785759764862@ietfa.amsl.com> Date: Thu, 15 Aug 2019 22:57:11 +0100 Organization: Old Dog Consulting Message-ID: <01f901d553b4$64da6270$2e8f2750$@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: AQM3dkYyy7Zc5V+c1SQpXfrwiCyhpaQ4fAhw Content-Language: en-gb X-Originating-IP: 213.162.105.120 X-Thinkmail-Auth: adrian@olddog.co.uk X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSVA-9.0.0.1623-8.2.0.1013-24850.003 X-TM-AS-Result: No--22.267-10.0-31-10 X-imss-scan-details: No--22.267-10.0-31-10 X-TMASE-Version: IMSVA-9.0.0.1623-8.2.1013-24850.003 X-TMASE-Result: 10--22.266700-10.000000 X-TMASE-MatchedRID: ZFzIhWOuIztor4mPA3EMtnFPUrVDm6jtekMgTOQbVFsZSz1vvG+0mhOC MQ82fUJwQIrDavfhGmy5F/jzlLWXynz5lEEBuvacsgYw1+LBrk2hhKooH+/fy0Yx760ONDcWiPe lQ03e0/qmfhBPBLxyd8KMkg9kslIMCuYbw9+K9RVO8qlnOXFSz88WrkDqCn1roA1qZKkyr6HV9x 7gL2l/MuPNS7Y3Od8ldoP4CUBeYQ4mpwMn1+DLijMvozJIQnRWdU2gXPGZpuf82HlmMCNCCafZ1 Oh7MkFvh3VgaiieiwracPFafyCBJQFJUSWQPXgmz5Bv/2gKFglK4f4Z+CZAZwiJStAzvLkC95ri 4fhj2G+ZTTQx0rSLASQY4c62XEWaqY6UjjuntVmaflULWGOkkCposqyRzYdyWcTLaZxI0SaHOAs eoIzKqHLYLcDaNGQDlBE3CLAc3Sd4g6SJGMHlQLxygpRxo469U28wNQtPmHNahAEL9o+TW/cbtW W+Vc1LWoPHZ3rTfPiscg5DPgBZWXKQcFVr4KqdngIgpj8eDcC063Wh9WVqgqbyPFGTn+O4XEYHd B0elaV0HSe131POnuJGF26G8SWy5yM0c1ktj9M= X-TMASE-SNAP-Result: 1.821001.0001-0-1-12:0,22:0,33:0,34:0-0 Archived-At: Subject: Re: [Pce] I-D Action: draft-ietf-pce-pcep-flowspec-05.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Aug 2019 21:57:19 -0000 Thanks to Jeffrey, we think we finally fixed the last bit of ambiguity around the multicast flowspec. Best, Adrian -----Original Message----- From: I-D-Announce On Behalf Of internet-drafts@ietf.org Sent: 15 August 2019 22:54 To: i-d-announce@ietf.org Cc: pce@ietf.org Subject: I-D Action: draft-ietf-pce-pcep-flowspec-05.txt A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : PCEP Extension for Flow Specification Authors : Dhruv Dhody Adrian Farrel Zhenbin Li Filename : draft-ietf-pce-pcep-flowspec-05.txt Pages : 32 Date : 2019-08-15 Abstract: The Path Computation Element (PCE) is a functional component capable of selecting the paths through a traffic engineered network. These paths may be supplied in response to requests for computation, or may be unsolicited instructions issued by the PCE to network elements. Both approaches use the PCE Communication Protocol (PCEP) to convey the details of the computed path. Traffic flows may be categorized and described using "Flow Specifications". RFC 5575 defines the Flow Specification and describes how Flow Specification Components are used to describe traffic flows. RFC 5575 also defines how Flow Specifications may be distributed in BGP to allow specific traffic flows to be associated with routes. This document specifies a set of extensions to PCEP to support dissemination of Flow Specifications. This allows a PCE to indicate what traffic should be placed on each path that it is aware of. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-flowspec/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-pcep-flowspec-05 https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-flowspec-05 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-flowspec-05 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/ _______________________________________________ I-D-Announce mailing list I-D-Announce@ietf.org https://www.ietf.org/mailman/listinfo/i-d-announce Internet-Draft directories: http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt From nobody Fri Aug 16 03:45:23 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id A158E120077; Fri, 16 Aug 2019 03:45:14 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: pce@ietf.org Message-ID: <156595231460.32047.4662667800518925767@ietfa.amsl.com> Date: Fri, 16 Aug 2019 03:45:14 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-association-diversity-09.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Aug 2019 10:45:15 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : Path Computation Element Communication Protocol (PCEP) Extension for LSP Diversity Constraint Signaling Authors : Stephane Litkowski Siva Sivabalan Colby Barth Mahendra Singh Negi Filename : draft-ietf-pce-association-diversity-09.txt Pages : 23 Date : 2019-08-16 Abstract: This document introduces a simple mechanism to associate a group of Label Switched Paths (LSPs) via an extension to the Path Computation Element (PCE) communication Protocol (PCEP) with the purpose of computing diverse paths for those LSPs. The proposed extension allows a Path Computation Client (PCC) to advertise to a PCE that a particular LSP belongs to a disjoint-group, thus the PCE knows that the LSPs in the same group need to be disjoint from each other. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-association-diversity/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-association-diversity-09 https://datatracker.ietf.org/doc/html/draft-ietf-pce-association-diversity-09 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-association-diversity-09 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 Aug 16 05:34:26 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9924B1200A1 for ; Fri, 16 Aug 2019 05:34:24 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.597 X-Spam-Level: X-Spam-Status: No, score=-2.597 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id aXZ5F62A6zLa for ; Fri, 16 Aug 2019 05:34:22 -0700 (PDT) Received: from mta7.iomartmail.com (mta7.iomartmail.com [62.128.193.157]) (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 7F177120089 for ; Fri, 16 Aug 2019 05:34:21 -0700 (PDT) Received: from vs3.iomartmail.com (vs3.iomartmail.com [10.12.10.124]) by mta7.iomartmail.com (8.14.4/8.14.4) with ESMTP id x7GCYGJi024604 for ; Fri, 16 Aug 2019 13:34:19 +0100 Received: from vs3.iomartmail.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 48E212203A for ; Fri, 16 Aug 2019 13:34:17 +0100 (BST) Received: from asmtp3.iomartmail.com (unknown [10.12.10.224]) by vs3.iomartmail.com (Postfix) with ESMTPS id 3417422040 for ; Fri, 16 Aug 2019 13:34:17 +0100 (BST) Received: from LAPTOPK7AS653V (120.105.162.213.dyn.plus.net [213.162.105.120] (may be forged)) (authenticated bits=0) by asmtp3.iomartmail.com (8.14.4/8.14.4) with ESMTP id x7GCXn43029639 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 16 Aug 2019 13:34:16 +0100 Reply-To: From: "Adrian Farrel" To: References: <156595816241.31995.15070826454849618509@ietfa.amsl.com> In-Reply-To: <156595816241.31995.15070826454849618509@ietfa.amsl.com> Date: Fri, 16 Aug 2019 13:33:48 +0100 Organization: Old Dog Consulting Message-ID: <027f01d5542e$eabcacc0$c0360640$@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: AQKFy8W+T9L4zv3odc3YeVTKMFXW9aWcw/7A Content-Language: en-gb X-Originating-IP: 213.162.105.120 X-Thinkmail-Auth: adrian@olddog.co.uk X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSVA-9.0.0.1623-8.2.0.1013-24850.007 X-TM-AS-Result: No--18.799-10.0-31-10 X-imss-scan-details: No--18.799-10.0-31-10 X-TMASE-Version: IMSVA-9.0.0.1623-8.2.1013-24850.007 X-TMASE-Result: 10--18.798800-10.000000 X-TMASE-MatchedRID: r0+rmqCHJUVB0jhVMKrChXFPUrVDm6jtDvc/j9oMIgVE6qvV2uOcufva G8JAwVtG8OUA6T+rBZSI36p73rVoxO7f+9aBl4Edx7L94BGnWsQZskwWqoib3AbYcy9YQl6eMJa nXwc+hbz3OF0UjQGruhZv1TfOo8yC3nEpDU+5f9lTewUuJwIWFc8WrkDqCn1roA1qZKkyr6FBs1 Owil9bHaHcZkEWctnQLy0u2DzE6cPsEz9ycWwbCn41AgV24Xnf9wXxnluKnXvSpzLct3VK/lcBf jjXtvYa4tGaU7p1kmPtjxM/SvQjtVq/w+Qp55pk4h8r8l3l4eb+NefZIdSZXNE4PeXguBzlOUNw lzKe/hzyujcK/844/dJJNS9kbqgP443ELYJ+aVso7b5tLxYZrZLQR37yyvyarwmfpB8lPjx6m3F oyEgRJOLzNWBegCW2XC3N7C7YzrcKND3UbSuyFis3zPQeiEbe+gtHj7OwNO2FR9Hau8GO7gP90f JP9eHt X-TMASE-SNAP-Result: 1.821001.0001-0-1-12:0,22:0,33:0,34:0-0 Archived-At: Subject: [Pce] FW: I-D Action: draft-farrel-pce-stateful-flags-01.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Aug 2019 12:34:24 -0000 Hi WG. Made some edits to clean it up: - typos - note that probably nothing has changed for existing implementations - implementation considerations section (that doesn't say much) Adrian -----Original Message----- From: I-D-Announce On Behalf Of internet-drafts@ietf.org Sent: 16 August 2019 13:23 To: i-d-announce@ietf.org Subject: I-D Action: draft-farrel-pce-stateful-flags-01.txt A New Internet-Draft is available from the on-line Internet-Drafts directories. Title : Updated Rules for Processing Stateful PCE Request Parameters Flags Author : Adrian Farrel Filename : draft-farrel-pce-stateful-flags-01.txt Pages : 6 Date : 2019-08-16 Abstract: Extensions to the Path Computation Element communications Protocol (PCEP) to support stateful Path Computation Elements (PCEs) are defined in RFC 8231. One of the extensions is the Stateful PCE Request Parameters (SRP) object. That object includes a Flags field that is a set of 32 bit flags, and RFC 8281 defines an IANA registry for tracking assigned flags. However, RFC 8231 does not explain how an implementation should set unassigned flags in transmitted messages, nor how an implementation should process unassigned, unknown, or unsupported flags in received messages. This document updates RFC 8231 by defining the correct behaviors. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-farrel-pce-stateful-flags/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-farrel-pce-stateful-flags-01 https://datatracker.ietf.org/doc/html/draft-farrel-pce-stateful-flags-01 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-farrel-pce-stateful-flags-01 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/ _______________________________________________ I-D-Announce mailing list I-D-Announce@ietf.org https://www.ietf.org/mailman/listinfo/i-d-announce Internet-Draft directories: http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt From nobody Fri Aug 16 08:39:32 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id A03B612082A; Fri, 16 Aug 2019 08:39:31 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: pce@ietf.org Message-ID: <156596997156.32063.10209290207725522917@ietfa.amsl.com> Date: Fri, 16 Aug 2019 08:39:31 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-stateful-pce-lsp-scheduling-09.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Aug 2019 15:39:32 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : PCEP Extensions for LSP scheduling with stateful PCE Authors : Huaimo Chen Yan Zhuang Qin Wu Daniele Ceccarelli Filename : draft-ietf-pce-stateful-pce-lsp-scheduling-09.txt Pages : 25 Date : 2019-08-16 Abstract: This document defines a set of extensions needed to the stateful Path Computation Element (PCE) communication Protocol (PCEP), so as to enable Labeled Switched Path (LSP) scheduling for path computation and LSP setup/deletion based on the actual network resource usage and the duration of a traffic service in a centralized network environment as stated in RFC 8413. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-pce-lsp-scheduling/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-stateful-pce-lsp-scheduling-09 https://datatracker.ietf.org/doc/html/draft-ietf-pce-stateful-pce-lsp-scheduling-09 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-stateful-pce-lsp-scheduling-09 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Aug 19 07:05:13 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6B80A12006A; Mon, 19 Aug 2019 07:05:11 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.201 X-Spam-Level: X-Spam-Status: No, score=-4.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jqORkKglvwPx; Mon, 19 Aug 2019 07:05:08 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 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dggeml423-hub.china.huawei.com ([10.1.199.40]) with mapi id 14.03.0439.000; Mon, 19 Aug 2019 22:04:55 +0800 From: "Chengli (Cheng Li)" To: "pce@ietf.org" , pce-chairs Thread-Topic: Request for WG adoption of draft-li-pce-sr-path-segment-08 Thread-Index: AdVWlsx26ZvuiL8vQSO1TJb1TFuV4g== Date: Mon, 19 Aug 2019 14:04:55 +0000 Message-ID: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.130.185.75] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: [Pce] Request for WG adoption of draft-li-pce-sr-path-segment-08 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Aug 2019 14:05:11 -0000 SGkgV0cgYW5kIENoYWlycywNCg0KV2UganVzdCB1cGRhdGVkIHRoZSBkcmFmdC1saS1wY2Utc3It 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cmUgYXZhaWxhYmxlIGF0IHRvb2xzLmlldGYub3JnLg0KDQpUaGUgSUVURiBTZWNyZXRhcmlhdA0K DQo= From nobody Mon Aug 19 07:07:36 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4C147120045; Mon, 19 Aug 2019 07:07:34 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.201 X-Spam-Level: X-Spam-Status: No, score=-4.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lMizBKupJIRn; Mon, 19 Aug 2019 07:07:31 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 258E812006A; Mon, 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DGGEML404-HUB.china.huawei.com ([fe80::b177:a243:7a69:5ab8%31]) with mapi id 14.03.0439.000; Mon, 19 Aug 2019 22:07:17 +0800 From: "Chengli (Cheng Li)" To: "pce@ietf.org" , pce-chairs Thread-Topic: Request for WG adoption of draft-li-pce-sr-bidir-path-06.txt Thread-Index: AdVWlyHwGzqQFTruStOvaAwbCF/Eyg== Date: Mon, 19 Aug 2019 14:07:16 +0000 Message-ID: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.130.185.75] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: [Pce] Request for WG adoption of draft-li-pce-sr-bidir-path-06.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Aug 2019 14:07:34 -0000 SGkgV0cgYW5kIENoYWlycywNCg0KV2UganVzdCB1cGRhdGVkIHRoZSBkcmFmdC1saS1wY2Utc3It 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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:content-transfer-encoding; bh=pSKISw+LDRYS4tQQ02y+64K6OTuu8eEo42+q+g3J9B4=; b=p7IOTV50LbhlTR2fquMY+UWpKKZloDdE4IMZa/zn++4tWDgLHKA50iBVsba56ZmK8J Ya0ucYrHTjd2lq5cKxold4iFlHEVLiGL4kAQVMAFf1fO/g6ghNeO78TxE0zEU8C/Bfdr 4/GpuSO71wE/i/ALbvM+8VGX56NU7/MYwL0lMeXPHqouUZEA+PUvxZ0FyqN+c1delHlG VdLOKhMYyoDMRQkziNriJmIFyOmyOXiIiIx/6Sa7iZySsCf54MdKLVDUOCjeCMwdVFkD m8LL/+UaY0XYIVdDlsbl8wCuX+G6fVLeftiirWoKbNNCnU3u4iQ7cyD0UeVTGSEU5C3+ +Jmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=pSKISw+LDRYS4tQQ02y+64K6OTuu8eEo42+q+g3J9B4=; b=r1FQ5bdhVUnAMt5sGnGQPCJyCb6UmlMhWrXubfW4SS8gI5hwiHG1aC1hCA3O388RMn w2pZX1dpBYnEFDpzrn66m7PNnSn+YiqAD1xeSJlD8ZeqKzohD4g6UCk53jB5KU2bIeY4 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Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Aug 2019 05:12:20 -0000 Hi Cheng, Thanks for the update and including the implementation status. Your request for early code point is noted (and will be handled post adoption). We will take this into consideration as we process the adoption queue. WG, Please do not wait for the adoption call to review drafts, provide comments to the authors early. Check wiki for latest status - https://trac.ietf.org/trac/pce/wiki/WikiStar= t Thanks! Dhruv On Mon, Aug 19, 2019 at 7:37 PM Chengli (Cheng Li) w= rote: > > Hi WG and Chairs, > > We just updated the draft-li-pce-sr-bidir-path. Major modifications: > > * add Implementation Status > * move SRv6 related text to appendix > * add Manageability Considerations > > Since the text is mature in this draft, we would like to ask for WG adopt= ion for this draft (Though it has been waiting in WG adoption queue for a w= hile.^-^) > > If possible, we would like to request IANA early allocation for helping i= mplementation. > > Comments are welcome! > > Many thanks, > Cheng > > > -----Original Message----- > From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org] > Sent: Monday, August 19, 2019 9:51 PM > To: Rakesh Gandhi ; Quan Xiong = ; Weiqiang Cheng ; Mach Chen ; Dongjie (Jimmy) ; Mach Chen ; Chengli (Cheng Li) ; Lizhenbin > Subject: New Version Notification for draft-li-pce-sr-bidir-path-06.txt > > > A new version of I-D, draft-li-pce-sr-bidir-path-06.txt has been successf= ully submitted by Cheng Li and posted to the IETF repository. > > Name: draft-li-pce-sr-bidir-path > Revision: 06 > Title: PCEP Extensions for Associated Bidirectional Segment Rout= ing (SR) Paths > Document date: 2019-08-19 > Group: Individual Submission > Pages: 16 > URL: https://www.ietf.org/internet-drafts/draft-li-pce-sr-bidi= r-path-06.txt > Status: https://datatracker.ietf.org/doc/draft-li-pce-sr-bidir-pa= th/ > Htmlized: https://tools.ietf.org/html/draft-li-pce-sr-bidir-path-06 > Htmlized: https://datatracker.ietf.org/doc/html/draft-li-pce-sr-bid= ir-path > Diff: https://www.ietf.org/rfcdiff?url2=3Ddraft-li-pce-sr-bidir= -path-06 > > Abstract: > The Path Computation Element Communication Protocol (PCEP) provides > mechanisms for Path Computation Elements (PCEs) to perform path > computations in response to Path Computation Clients (PCCs) requests. > The Stateful PCE extensions allow stateful control of Multiprotocol > Label Switching (MPLS) Traffic Engineering (TE) Label Switched Paths > (LSPs) using PCEP. Furthermore, PCEP can be used for computing paths > in Segment Routing (SR) TE networks. > > This document defines PCEP extensions for grouping two reverse > unidirectional SR Paths into an Associated Bidirectional SR Path when > using a Stateful PCE for both PCE-Initiated and PCC-Initiated LSPs as > well as when using a Stateless PCE. > > > > > Please note that it may take a couple of minutes from the time of submiss= ion until the htmlized version and diff are available at tools.ietf.org. > > The IETF Secretariat > From nobody Mon Aug 19 22:13:11 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4FADA1200C7; Mon, 19 Aug 2019 22:13:10 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id gjTf1NHerW5L; Mon, 19 Aug 2019 22:13:08 -0700 (PDT) Received: from mail-io1-xd2f.google.com (mail-io1-xd2f.google.com [IPv6:2607:f8b0:4864:20::d2f]) (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 66B2D1200CC; Mon, 19 Aug 2019 22:13:08 -0700 (PDT) Received: by mail-io1-xd2f.google.com with SMTP id j5so9512631ioj.8; Mon, 19 Aug 2019 22:13:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=ePwjx4SbebOM2pbi/PFJrFO58hEMnGsSTaM7nrfTqOo=; b=gRDb7SmtivwaLyLgx5CCg9NBIVQrmgqUP/csJ8Y69kst2QcuRqtRgBQQoYRpCoCXTY NHyZ1V+Y4xVPQ0Yg93FJBxztz5yrzTClhpgaAjiw1kHFud168P9FHxeCh/gmcZvLD2V3 qzt6w8DkXftMBjhzsPosRGYb1GBFjAdhZfh371AOWls2JTy8ayLLzJfrm3wVaMnHO++r nP+3YB3LpueTx6depQPfOfapsQKtEo34jgsO352svkJwwF48+6D7A+7F/k5NLYmmWAIX +HhqGGPexrQLkTbLBOYYzwaJ1gMSbXmFLAz4qv60HLS4VuGiaLJTPCyEZ1zkn/R/3eqr jqLA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=ePwjx4SbebOM2pbi/PFJrFO58hEMnGsSTaM7nrfTqOo=; b=Pkc93S8iF/g9cDryDBEw8vrIGdt56QdhWQw1Hxa1EWjCgGiFUcDO9+pUXsskRwvh02 0ENAwPpNjraO9XlSqAPge2GAFF5OR5H0iHwqj4oEm8oY3rjvO0yLviItXBpL4+28Thbp KaSz1k3nYRN5YeaY76S7+FKcEy6HvhtLc0uFvI3aib7c4Axd+iENvVkhwf26vJrB3gWi y6cxtjKeBBbITG1f9zHLis6xO5fNfULTFtz9RlBlAoOBq3Y1XzwztlY1O88y0OY1J1SS NfyKWPBYXxsLSBXXthgisJClC05RN1tbO0Ga5RAEOBslvdzQ4ijglwuMgwjQxYWLIfYw BW1w== X-Gm-Message-State: APjAAAWCJzVvhtUhOU/LOivJ06/T7FF2nTeN1CxrpIZ3eYgCqmP/yhDf HeaIj6f2KKMb9urDK4P0OoB4q0pvS33wi8DfSRU= X-Google-Smtp-Source: APXvYqzwmCOwVfoALUVXTqkyEoQDmFjlkgF5KKVsNcxm6/tp1X8ZAtCDIupq5zZL3DGCJgUMSB5Rzpc9lvtYd2r8kts= X-Received: by 2002:a02:a405:: with SMTP id c5mr1747932jal.54.1566277987440; Mon, 19 Aug 2019 22:13:07 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Dhruv Dhody Date: Tue, 20 Aug 2019 10:42:31 +0530 Message-ID: To: "Chengli (Cheng Li)" Cc: "pce@ietf.org" , pce-chairs Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Archived-At: Subject: Re: [Pce] Request for WG adoption of draft-li-pce-sr-path-segment-08 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Aug 2019 05:13:10 -0000 Hi Cheng, Same response as the other draft :) Thanks for the update and including the implementation status. Your request for early code point is noted (and will be handled post adoption). We will take this into consideration as we process the adoption queue. WG, Please do not wait for the adoption call to review drafts, provide comments to the authors early. Check wiki for latest status - https://trac.ietf.org/trac/pce/wiki/WikiStar= t Thanks! Dhruv On Mon, Aug 19, 2019 at 7:35 PM Chengli (Cheng Li) w= rote: > > Hi WG and Chairs, > > We just updated the draft-li-pce-sr-path-segment. Major modifications: > > * add Implementation Status > * move SRv6 related text to appendix > * add Security Considerations > * add Manageability Considerations > > Since the text is mature in this draft, we would like to ask for WG adopt= ion for this draft (Though it has been waiting in WG adoption queue for a w= hile.^-^) > > If possible, we would like to request IANA early allocation for helping i= mplementation. > > Comments are welcome! > > Many thanks, > Cheng > > > > > -----Original Message----- > From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org] > Sent: Monday, August 19, 2019 9:54 PM > To: Rakesh Gandhi ; Quan Xiong = ; Weiqiang Cheng ; Mach Chen ; Dongjie (Jimmy) ; Mach Chen ; Chengli (Cheng Li) ; Lizhenbin > Subject: New Version Notification for draft-li-pce-sr-path-segment-08.txt > > > A new version of I-D, draft-li-pce-sr-path-segment-08.txt > has been successfully submitted by Cheng Li and posted to the IETF reposi= tory. > > Name: draft-li-pce-sr-path-segment > Revision: 08 > Title: Path Computation Element Communication Protocol (PCEP) Ex= tension for Path Segment in Segment Routing (SR) > Document date: 2019-08-19 > Group: Individual Submission > Pages: 26 > URL: https://www.ietf.org/internet-drafts/draft-li-pce-sr-path= -segment-08.txt > Status: https://datatracker.ietf.org/doc/draft-li-pce-sr-path-seg= ment/ > Htmlized: https://tools.ietf.org/html/draft-li-pce-sr-path-segment-= 08 > Htmlized: https://datatracker.ietf.org/doc/html/draft-li-pce-sr-pat= h-segment > Diff: https://www.ietf.org/rfcdiff?url2=3Ddraft-li-pce-sr-path-= segment-08 > > Abstract: > The Path Computation Element (PCE) provides path computation > functions in support of traffic engineering in Multiprotocol Label > Switching (MPLS) and Generalized MPLS (GMPLS) networks. > > The Source Packet Routing in Networking (SPRING) architecture > describes how Segment Routing (SR) can be used to steer packets > through an IPv6 or MPLS network using the source routing paradigm. A > Segment Routed Path can be derived from a variety of mechanisms, > including an IGP Shortest Path Tree (SPT), explicit configuration, or > a Path Computation Element (PCE). > > Path identification is needed for several use cases such as > performance measurement in Segment Routing (SR) network. This > document specifies extensions to the Path Computation Element > Communication Protocol (PCEP) to support requesting, replying, > reporting and updating the Path Segment ID (Path SID) between PCEP > speakers. > > > > > Please note that it may take a couple of minutes from the time of submiss= ion until the htmlized version and diff are available at tools.ietf.org. > > The IETF Secretariat > From nobody Mon Aug 19 22:44:43 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8776E1200EC; Mon, 19 Aug 2019 22:44:41 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bgSQpJqhxWNl; Mon, 19 Aug 2019 22:44:40 -0700 (PDT) Received: from mail-io1-xd36.google.com (mail-io1-xd36.google.com [IPv6:2607:f8b0:4864:20::d36]) (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 E0EAD1200CC; Mon, 19 Aug 2019 22:44:39 -0700 (PDT) Received: by mail-io1-xd36.google.com with SMTP id s21so9677589ioa.1; Mon, 19 Aug 2019 22:44:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=PPC9NQFizlMsPI56G4CwH84q6M4X0Jbxi7CsfdBaeew=; b=ltkcHA0rqRAslhF62tnEpjW2L5+ZLR7O3bWzHETdzVkQISVsy6i2pK+Mye74SgljTK tMv5Ow+XtjGnhueQ9EMGUB4XVeOkq9AeNK6nHxLm9FZQnN1Ced+a/r79Mb64k4ZmI0FU AMZa7sxAygoLtVqCRRrAk0wO5ElUsGAKIHj0a7wo1A5PbXdkE0fJOADBITGaisTx0u3u h5J5x6JLyNIg1S0XpmEoIMIhB1KOX+xbasWj6wB+7gG1s6V/8H0pVQl4oWCkeMwL2305 aTUFDNjDSDE3+eCRzWITLvW3c9nUW+1E/eQ4pLhPCpFtdM/3FGMi+CT3PSuuiYibxrDP ofxA== 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=PPC9NQFizlMsPI56G4CwH84q6M4X0Jbxi7CsfdBaeew=; b=Ilowp4gb63v30LEo1rMtbk0uSpSiO6SWOyiB4eD7MJhFNIKvENMK0a41pj6S8AkW1l ptaTPDaGTyqOYPtDz5Uz/fUUNkD7eFvenbdOy+f30iPOtdPvq03i18ClwPnKwIoYWia6 cTyPSciwds6KVAsk9U7GAw7VwhFYRJz1L8P2lcOiQ5bgNYogsKjKnShWcx/YpJralOYr k80OPEKmlop44EGxFOXDWNHo/5Wghtfw7Aqm6mvRmyh/MSvwfI6ztXRQzGNhmAWi0zda fvJkuDr08lHM6pgMjbg9qvN4ys8UDtIkYESA2GxCJOVvbLA0IgqX7tuuD6wJo2v9HUfC uc3g== X-Gm-Message-State: APjAAAW8xtpvgBUd0cgLfRanddFM6abrnb93i+djYVqizEiBXPiBFvYp 4YciqStPcfzWARoxpw5xTHCz9YmIfG901gY6tLE= X-Google-Smtp-Source: APXvYqzLEOoOIMieHRlyb+U5J0bPO86vyTb2y9KgsOQzjd7zEob0pi29vKEnjdhtczr8PI/E+GTXF+6vYiZK4jz7+qY= X-Received: by 2002:a5d:890d:: with SMTP id b13mr27967654ion.124.1566279879089; Mon, 19 Aug 2019 22:44:39 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Dhruv Dhody Date: Tue, 20 Aug 2019 11:14:02 +0530 Message-ID: To: Shawn Emery Cc: secdir , draft-ietf-pce-lsp-control-request.all@ietf.org, Shawn Emery , pce@ietf.org Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: Re: [Pce] Review of draft-ietf-pce-lsp-control-request-07 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Aug 2019 05:44:42 -0000 Hi Shawn, Thanks for your security review and comments. On Mon, Aug 19, 2019 at 6:17 AM Shawn Emery wrote: > > Reviewer: Shawn M. Emery > 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. > > This draft specifies an extension to the Path Computation Element communication > Protocol (PCE) that allows a PCE to request control of Label Switched Paths (LSPs). > > The security considerations section does exist and discusses a new DoS vector > that this draft creates. The attack involves sending control requests for delegate > control of all of its LSPs to the Path Computation Client (PCC). The proposed > solution is to set a threshold rate of the delegation requests for the PCC per PCE. > I agree with the proposed solution, though I don't know if guidance can be provided > on what these thresholds would be per environment. > As you noted the document does not provide default for the threshold as it dependent on the deployment/environment. The same is true for RFC 8231. > The section goes on to refer to RFC 8231 to justify that the PCP extension should > be deployed with authenticated and encrypted sessions in TLS using RFC 8253. > I agree with this prescription as well else an attacker would now be able to take > control over all local LSPs with this extension. I think that this should at least be > stated if an attacker is able to compromise a PCE. > The security consideration includes "...either by spoofing messages or by compromising the PCE itself". > General comments: > > None. > > Editorial comments: > > s/sends PCRpt/sends a PCRpt/ > s/also specify/also specifies/ > s/all its/all of its/ > s/If threshold/If the threshold/ > s/explicitly set aside/explicitly excluded/ > Thanks for these, request authors to handle them. Thanks! Dhruv > Shawn. > -- From nobody Mon Aug 19 23:42:51 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1240F12021D; Mon, 19 Aug 2019 23:42:50 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.2 X-Spam-Level: X-Spam-Status: No, score=-4.2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_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 d8k3-6GxP8eO; Mon, 19 Aug 2019 23:42:47 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 67A8F12006D; Mon, 19 Aug 2019 23:42:47 -0700 (PDT) Received: from lhreml704-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id 15D9FDB35342F06821D5; Tue, 20 Aug 2019 07:42:45 +0100 (IST) Received: from DGGEML402-HUB.china.huawei.com (10.3.17.38) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.408.0; Tue, 20 Aug 2019 07:42:44 +0100 Received: from DGGEML529-MBX.china.huawei.com ([169.254.6.7]) by DGGEML402-HUB.china.huawei.com ([fe80::fca6:7568:4ee3:c776%31]) with mapi id 14.03.0439.000; Tue, 20 Aug 2019 14:41:36 +0800 From: "Chengli (Cheng Li)" To: Dhruv Dhody CC: "pce@ietf.org" , pce-chairs Thread-Topic: Request for WG adoption of draft-li-pce-sr-bidir-path-06.txt Thread-Index: AdVWlyHwGzqQFTruStOvaAwbCF/EygAO48SAABO/qIA= Date: Tue, 20 Aug 2019 06:41:36 +0000 Message-ID: References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.130.185.75] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [Pce] Request for WG adoption of draft-li-pce-sr-bidir-path-06.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Aug 2019 06:42:50 -0000 TWFueSB0aGFua3MgdG8gQ2hhaXJzJyBoYXJkIHdvcmsuDQoNCkhpIFBDRWVycywgQ29tbWVudHMg YXJlIHdlbGNvbWUhICBTYW1lIGZvciBhbm90aGVyIHRocmVhZCBhYm91dCBkcmFmdC1saS1wY2Ut c3ItcGF0aC1zZWdtZW50LTA4LiAgU2F2ZSBvbmUgZW1haWwgaW4gTUwhDQoNClRoYW5rcywNCkNo ZW5nDQoNCg0KLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCkZyb206IERocnV2IERob2R5IFtt YWlsdG86ZGhydXYuaWV0ZkBnbWFpbC5jb21dIA0KU2VudDogVHVlc2RheSwgQXVndXN0IDIwLCAy MDE5IDE6MTIgUE0NClRvOiBDaGVuZ2xpIChDaGVuZyBMaSkgPGNoZW5nbGkxM0BodWF3ZWkuY29t Pg0KQ2M6IHBjZUBpZXRmLm9yZzsgcGNlLWNoYWlycyA8cGNlLWNoYWlyc0BpZXRmLm9yZz4NClN1 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X-Spam-Score: -2.597 X-Spam-Level: X-Spam-Status: No, score=-2.597 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rTPpv0nGiK_b; Tue, 20 Aug 2019 09:40:02 -0700 (PDT) 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 F3D0A1200EB; Tue, 20 Aug 2019 09:40:01 -0700 (PDT) Received: from vs3.iomartmail.com (vs3.iomartmail.com [10.12.10.124]) by mta6.iomartmail.com (8.14.4/8.14.4) with ESMTP id x7KGdipj018197; Tue, 20 Aug 2019 17:39:45 +0100 Received: from vs3.iomartmail.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 35DEE2203D; Tue, 20 Aug 2019 17:39:44 +0100 (BST) Received: from asmtp1.iomartmail.com (unknown [10.12.10.248]) by vs3.iomartmail.com (Postfix) with ESMTPS id 208082203C; Tue, 20 Aug 2019 17:39:44 +0100 (BST) Received: from LAPTOPK7AS653V ([84.93.32.52]) (authenticated bits=0) by asmtp1.iomartmail.com (8.14.4/8.14.4) with ESMTP id x7KGdhsw019662 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 20 Aug 2019 17:39:43 +0100 Reply-To: From: "Adrian Farrel" To: "'Qin Wu'" , , Date: Tue, 20 Aug 2019 17:39:42 +0100 Organization: Old Dog Consulting Message-ID: <00ab01d55775$dea604f0$9bf20ed0$@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: AdVXdXnf5NcNqJEAQw2aOohZH+mqPQ== Content-Language: en-gb X-Originating-IP: 84.93.32.52 X-Thinkmail-Auth: adrian@olddog.co.uk X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSVA-9.0.0.1623-8.2.0.1013-24860.001 X-TM-AS-Result: No--17.313-10.0-31-10 X-imss-scan-details: No--17.313-10.0-31-10 X-TMASE-Version: IMSVA-9.0.0.1623-8.2.1013-24860.001 X-TMASE-Result: 10--17.312600-10.000000 X-TMASE-MatchedRID: 8HTFlOrbAtF67bcjmQPyWXFPUrVDm6jtqUdpDBnLMO0EasDW0VXdYr/b NgL2ReUKKIra+veulC5r+qVMMVPPIw+RQ8CpWMemGUlF/M3Dxp+CF6GkB9h+D0UIMiJ1Mq1ifTo Gw9lCr/n0cpCeX8JCyzgVYVRiAYcY//jI6mJ2P0mBUOq95bUaShhl0Z3Tbe/Vv5ndmnZN3UQmFX 089bePLBzmafpULM73KDdIdG0uhHyCIVAW0UMML8qquP3qhQpqTLZB6U/YaPr5w23Kuluq0S2xR ktmmCFYhbvmKbpIiCaow8NGoHWGVKVIsznpoCaY2bpX2XJNwqFbD9LQcHt6g5GhAvBSa2i/EUx8 GSuSpKTohXCKEUlb0G0kdSe698BxzZ1sKoZgkHX4AIbmhYnu0oK0idm7DCHbte2Pc6QLANMnx7Y RQAQBnQ74JKh4R7D/iwEvkEhHgJFpM2Jwq/uDH0jBb8q+S/OCZuIkqHI0nbvvulypsVShbJzzTX 8gpD0lfdruklhVME15BbjcFIhFt03cZYMqE45IBcaL/tyWL2PLRD51bz5RZGfihW8hWemQujw9B XXmuODjGlStcm2PJwqOXUtnX95zQz7+xFJCtopi8FpcLW8dYDMHQDMprDLnGP0M/F8V3KiZ3hjE kMd3uCjznEa47wKESBC4eyCGQPZsMVyAAdvrLS8s/ULwMh46d0jERm7/xBLI9EDAP/dptlLg3tH sY9fRsOgv3K25H2lFpCNad5/lSM/cCDpHKftgxi///JpaHQM0AJe3B5qfBu2o42DzVTq8CSqvzM 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If I recall correctly, the situation when 5088 and 5089 were produced was that there was mission creep. The initial idea was to discover the existence of PCE-capable routers in the network, but it was quickly realised a specific address might be preferable for reaching the PCE, so there was need for the PCE Discovery TLV to contain an address, and it was decided to encode it as a TLV. Then the rot set in and we determined there were some other useful pieces of information to encode. And then we thought that it would be helpful to have an array of capability bits. At this point the IGP working groups started to get worried. As Les and Acee noted, the concern was that we would be carrying "large" amounts of data in the IGP that was not directly related to the primary purpose of the IGP (packet routing) or even the secondary purpose (TE). We had a bit of a fight on our hands at this stage because the PCE implementers had already built stuff, and the IGP "purists" were digging in. So we agreed to stabilise with "this far and no further" and the lines in 5088/9 that say: No additional sub-TLVs will be added to the PCED TLV in the future. If a future application requires the advertisement of additional PCE information in OSPF, this will not be carried in the Router Information LSA. The idea was that it would be OK to define new capability bits, but not to add more TLVs. I don't recall being delighted by this outcome at the time, but it certainly allowed us to move forward. It seemed to me that PCEs were not the only devices exchanging non-routing information in the IGP, and if there was a concern about volume of data or convergence time, then this seemed a bigger problem that needed a more general resolution. On the other hand, IETF consensus is what it is. The approach that others have taken in this situation is to add flags as needed, but to put the additional discovery information in the PCEP Open message. Thus, at a high level, a PCC can decide whether there is any point in opening a PCEP session with a PCE, but may have to try the session to find out exactly what options are available and might, at that time, discover that the PCE is not suitable. Looking at your draft, the addition of the two bit flags is easy and uncontroversial. It is the addition of the Key-ID and Key-Chain-Name sub-TLVs that cause you to want to change the RFCs. And I think you have a special case here because using the TCP security mechanism, the PCEP Open message would come too late to exchange the relevant information. That is, you need the security information to set up the secure TCP session before the PCEP Open messages can be exchanged. This point could usefully be made more clear in the document. That is, why you cannot use the alternate mechanism for exchanging PCE characteristics and capabilities. After that has been done, I think that it would be reasonable to allow the approach you are describing subject to LSR WG consensus. (The alternative, which is perfectly acceptable within the architecture and within some operational environments, is configuration. But configuration doesn't work in the larger use cases, and another mechanism would constitute a third way of exchanging PCE information, and that sounds ridiculous.) However, while I think that you should be allowed through the doorway, I don't think you should leave the door open behind you. That means that you should update 5088/9 to allow your new sub-TLVs, but you should leave in place the ruling that no more new sub-TLVs are allowed. I *think* that is what you're trying to do, but I don't think your Section 4 is the right way to do that - it is not necessary to make edits to the old documents to make this change, you can simply say... Section 4 of [RFC5088] states that no new sub-TLVs will be added to the PCED TLV, and no new PCE information will be carried in the Router Information LSA. This document updates RFC 5088 by allowing the two new sub-TLVs defined in this document to be carried in the PCED TLV of the for use in the Router Information LSA. Section 4 of [RFC5089] states that no new sub-TLVs will be added to the PCED TLV, and no new PCE information will be carried in the Router CAPABLITY TLV. This document updates RFC 5089 by allowing the two new sub-TLVs defined in this document to be carried in the PCED TLV of the for use in the Router CAPABILITY TLV. Along the way, we're also going to need to do some work on Section 7. The whole point of your draft is to exchange information about security features, and that makes it highly sensitive if it can be attacked. For example, just toggling the two new capability bits can be a downgrade attack. And tweaking the content of the new TLVs would, I imagine, enable man-in-the-middle attacks. At the least, I think you have to use "MUST" to insist that the IGP is protected for authentication and integrity of the PCED TLV if the mechanism described in your draft is used. And I think you should try to describe some of the risks. I'm not sure how sensitive the new TLVs are to snooping, but you should note that section 8 of RFC 5088/9 points out that "OSPF/IS-IS provides no encryption mechanism for protecting the privacy of LSAs" and that if access to this information can make the secure TCP session any less secure then the approach is at risk. Best, Adrian -----Original Message----- From: Lsr On Behalf Of Qin Wu Sent: 04 June 2019 05:18 To: pce@ietf.org; lsr@ietf.org Subject: [Lsr] Solicit feeback on draft-ietf-lsr-pce-discovery-security-support-01 Hi, Folks: Draft-ietf-lsr-pce-discovery-security-support was adopted by LSR WG in December 2018 due to security importance for routing protocol. Julien shared his comments and also help look for comments and feedback from PCE WG on this draft during poll adoption call in LSR WG. Recently we made a quick update to draft-ietf-lsr-pce-discovery-security-support without technical content changes. We would like to solicit comments and feedback again on this draft. Thanks in advance! -Qin From nobody Tue Aug 20 10:45:22 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8A91C12080A; Tue, 20 Aug 2019 10:45:19 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id DQpvPJVo2Psf; Tue, 20 Aug 2019 10:45:13 -0700 (PDT) Received: from mail-io1-xd2c.google.com (mail-io1-xd2c.google.com [IPv6:2607:f8b0:4864:20::d2c]) (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 93F7E120046; Tue, 20 Aug 2019 10:45:13 -0700 (PDT) Received: by mail-io1-xd2c.google.com with SMTP id s21so13999300ioa.1; Tue, 20 Aug 2019 10:45:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to:cc; bh=gXcHGNWVInDuSdt/Gy83aWk01ZiXOB1ZNfgDDOTxs2U=; b=NvUcxwIj+N+vcU/BEgRawBDKimATADHIUmYd9O7yPEWowv4ILpMfXVEAZHhmb+24J2 Ym57H8/W+z0w2hbvZOlDARWuVzzX6IL/90pa9FqsDCJj1Wkhmz57SAwHeaNPRedNXB8V UNzscSS2cMd9BEXnCOnxxnsRdppYQEWdSIdUJYDz1mF8iOKKpnRBjI0sqcZVF9xqlwa2 kWr3LcJ2Y4MruyHWi7bUinmCBTIT/zMlEPvcImKG5PeGBXP+fDD3RgbbxTrySA3pW4Ta E10nwFH1icfCiQt8NWNiMPwARcCJ3oMN+FD4itnh3Wv0ZS3opZQVZesmMSIXe4wFcknO oJOA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=gXcHGNWVInDuSdt/Gy83aWk01ZiXOB1ZNfgDDOTxs2U=; b=VcODsm6GarsfziFy34hFGRAeYyp15WB+kbI9ZyoAln5xaNegq3basIyGj4ZWTQnnhS iucKCRys/h2amjOOGT3xUIoZ+/dm3BlKsD4xphacAVfY0yKG5p8kwi/nX2RQ4/y+aVdc QobHrCNVaFDjXvkoYgtlhNzOxRkfD/5Eo79Ta53daJ2SIJFU9pY77LUZhjdwQemV6402 BAHTcujpXgUPvcMTxzAnQivUWyeZHQLmE2RRAsCjglJye/2g7dt1iYuGQ3rRS+JFBXVn aE4JFVjIP6DAQSR8u+tLJ8eBKSaTOgsdFa/dLx8Nu7U3Xw5RCPRK373pUlK+WRedsqq6 WbvQ== X-Gm-Message-State: APjAAAVtSVIGLXdhdyE2rFcen8r8ddjquKjmcHHlaPfjprutRbwlcOFE FS86jbvGaC8jugxNOS2fHFr4Kk/6IgEQ4i0Kze4dysis X-Google-Smtp-Source: APXvYqwBBoKOe6D+S+fs7cGR8Tgk5h+bH5fv1iYWQfaaq49nuw//PTl68uuTmFkfRZYnG2Ub0rSixzZY1JlaF8y4aYE= X-Received: by 2002:a02:a405:: with SMTP id c5mr5099440jal.54.1566323112325; Tue, 20 Aug 2019 10:45:12 -0700 (PDT) MIME-Version: 1.0 From: Dhruv Dhody Date: Tue, 20 Aug 2019 23:14:36 +0530 Message-ID: To: pce@ietf.org Cc: pce-chairs Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: [Pce] WG adoption poll for draft-sivabalan-pce-binding-label-sid-07 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Aug 2019 17:45:19 -0000 Hi WG, This email begins the WG adoption poll for draft-sivabalan-pce-binding-label-sid-07 [1]. Should this draft be adopted by the PCE WG? Please state your reasons - Why / Why not? What needs to be fixed before or after adoption? Are you willing to work on this draft? Review comments should be posted to the list. One of the chairs did a pre-adoption review [2] and authors posted a new revision. Note that there are known implementations. This adoption poll will end on 6th September 2019. Thanks! Dhruv (for the chairs) [1] https://tools.ietf.org/html/draft-sivabalan-pce-binding-label-sid-07 [2] https://mailarchive.ietf.org/arch/msg/pce/oaBIRA9FnNsV6-JrKKRCdwtLysk From nobody Tue Aug 20 10:45:28 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id E65F1120931; Tue, 20 Aug 2019 10:45:19 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: IETF Secretariat To: , , X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <156632311994.433.13732139486091737682.idtracker@ietfa.amsl.com> Date: Tue, 20 Aug 2019 10:45:19 -0700 Archived-At: Subject: [Pce] The PCE WG has placed draft-sivabalan-pce-binding-label-sid in state "Call For Adoption By WG Issued" X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Aug 2019 17:45:20 -0000 The PCE WG has placed draft-sivabalan-pce-binding-label-sid in state Call For Adoption By WG Issued (entered by Dhruv Dhody) The document is available at https://datatracker.ietf.org/doc/draft-sivabalan-pce-binding-label-sid/ From nobody Tue Aug 20 13:08:25 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4FC7B1208BA; 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Tue, 20 Aug 2019 13:08:18 -0700 (PDT) Received: from [30.147.217.188] ([171.159.221.134]) by smtp.gmail.com with ESMTPSA id f9sm9147107qkm.51.2019.08.20.13.08.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 20 Aug 2019 13:08:17 -0700 (PDT) Date: Tue, 20 Aug 2019 16:08:11 -0400 From: Jeff Tantsura To: pce@ietf.org, Dhruv Dhody Cc: pce-chairs Message-ID: In-Reply-To: References: X-Readdle-Message-ID: fe391a6d-6ff6-4606-a386-46df76a1b4b3@Spark MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="5d5c5330_75486e47_2a1" Archived-At: Subject: Re: [Pce] WG adoption poll for draft-sivabalan-pce-binding-label-sid-07 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Aug 2019 20:08:23 -0000 --5d5c5330_75486e47_2a1 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline As co-author support adoption. Preemptively - not aware of any IPR Cheers, Jeff On Aug 20, 2019, 1:45 PM -0400, Dhruv Dhody , wrote: > Hi WG, > > This email begins the WG adoption poll for > draft-sivabalan-pce-binding-label-sid-07 [1]. > > Should this draft be adopted by the PCE WG? Please state your reasons - Why / > Why not? What needs to be fixed before or after adoption? Are you willing to > work on this draft? Review comments should be posted to the list. > > One of the chairs did a pre-adoption review [2] and authors posted a new > revision. Note that there are known implementations. > > This adoption poll will end on 6th September 2019. > > Thanks! > Dhruv (for the chairs) > > > [1] https://tools.ietf.org/html/draft-sivabalan-pce-binding-label-sid-07 > [2] https://mailarchive.ietf.org/arch/msg/pce/oaBIRA9FnNsV6-JrKKRCdwtLysk > > _______________________________________________ > Pce mailing list > Pce@ietf.org > https://www.ietf.org/mailman/listinfo/pce --5d5c5330_75486e47_2a1 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline
As co-author support adoption.
Preemptively - not aware of any IPR

Cheers,
Jeff
On Aug 20, 2019, 1:45 PM -0400, Dhr= uv Dhody <dhruv.ietf=40gmail.com>, wrote:
Hi= WG,

This email begins the WG adoption poll for
draft-sivabalan-pce-binding-label-sid-07 =5B1=5D.

Should this draft be adopted by the PCE WG=3F Please state your reasons -= Why /
Why not=3F What needs to be fixed before or after adoption=3F Are you wil= ling to
work on this draft=3F Review comments should be posted to the list.
=
One of the chairs did a pre-adoption review =5B2=5D and authors posted a = new
revision. Note that there are known implementations.

This adoption poll will end on 6th September 2019.

Thanks=21
Dhruv (for the chairs)


=5B1=5D https://tools.ietf.org/html/draft-sivabalan-pce-binding-label-sid= -07
=5B2=5D https://mailarchive.ietf.org/arch/msg/pce/oaBIRA9=46nNsV6-JrKKRCd= wtLysk

=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F
Pce mailing list
Pce=40ietf.org
https://www.ietf.org/mailman/listinfo/pce
--5d5c5330_75486e47_2a1-- From nobody Tue Aug 20 19:08:23 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5B1E9120018; Tue, 20 Aug 2019 19:08:21 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.2 X-Spam-Level: X-Spam-Status: No, score=-4.2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, 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 A0M-c36TklT6; Tue, 20 Aug 2019 19:08:19 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 1ED6D1200B5; Tue, 20 Aug 2019 19:08:18 -0700 (PDT) Received: from LHREML713-CAH.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id 7CA09D8FF7B963A2E012; Wed, 21 Aug 2019 03:08:15 +0100 (IST) Received: from lhreml711-chm.china.huawei.com (10.201.108.62) by LHREML713-CAH.china.huawei.com (10.201.108.36) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 21 Aug 2019 03:08:15 +0100 Received: from lhreml711-chm.china.huawei.com (10.201.108.62) by lhreml711-chm.china.huawei.com (10.201.108.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Wed, 21 Aug 2019 03:08:15 +0100 Received: from DGGEML422-HUB.china.huawei.com (10.1.199.39) by lhreml711-chm.china.huawei.com (10.201.108.62) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.1.1713.5 via Frontend Transport; Wed, 21 Aug 2019 03:08:14 +0100 Received: from DGGEML529-MBX.china.huawei.com ([169.254.6.7]) by dggeml422-hub.china.huawei.com ([10.1.199.39]) with mapi id 14.03.0439.000; Wed, 21 Aug 2019 10:08:04 +0800 From: "Chengli (Cheng Li)" To: Dhruv Dhody , "pce@ietf.org" CC: pce-chairs Thread-Topic: [Pce] WG adoption poll for draft-sivabalan-pce-binding-label-sid-07 Thread-Index: AQHVV38lPejmy06A802pqfCoqQELnKcE1dwQ Date: Wed, 21 Aug 2019 02:08:04 +0000 Message-ID: References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.130.185.75] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [Pce] WG adoption poll for draft-sivabalan-pce-binding-label-sid-07 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Aug 2019 02:08:22 -0000 Yes, support. Binding SID is very useful in many use cases, such as inter-d= omain/Multi-domain routing, SR policy, tunnel stitching, etc. =20 Also, as descripted in this document, Huawei has implemented the mechanism.= Since the text is mature, I support this WG adoption. Best regards, Cheng as a co-author. -----Original Message----- From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Dhruv Dhody Sent: Wednesday, August 21, 2019 1:45 AM To: pce@ietf.org Cc: pce-chairs Subject: [Pce] WG adoption poll for draft-sivabalan-pce-binding-label-sid-0= 7 Hi WG, This email begins the WG adoption poll for draft-sivabalan-pce-binding-label-sid-07 [1]. Should this draft be adopted by the PCE WG? Please state your reasons - Why= / Why not? What needs to be fixed before or after adoption? Are you willin= g to work on this draft? Review comments should be posted to the list. One of the chairs did a pre-adoption review [2] and authors posted a new re= vision. Note that there are known implementations. This adoption poll will end on 6th September 2019. Thanks! Dhruv (for the chairs) [1] https://tools.ietf.org/html/draft-sivabalan-pce-binding-label-sid-07 [2] https://mailarchive.ietf.org/arch/msg/pce/oaBIRA9FnNsV6-JrKKRCdwtLysk _______________________________________________ Pce mailing list Pce@ietf.org https://www.ietf.org/mailman/listinfo/pce From nobody Tue Aug 20 20:27:12 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4F17812006F; Tue, 20 Aug 2019 20:27:11 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.199 X-Spam-Level: X-Spam-Status: No, score=-4.199 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9pP34fSyyRJh; Tue, 20 Aug 2019 20:27:09 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5BD8F120045; Tue, 20 Aug 2019 20:27:09 -0700 (PDT) Received: from lhreml704-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id D812EBCA62C111FC102A; Wed, 21 Aug 2019 04:27:06 +0100 (IST) Received: from DGGEML402-HUB.china.huawei.com (10.3.17.38) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 21 Aug 2019 04:27:06 +0100 Received: from DGGEML529-MBX.china.huawei.com ([169.254.6.7]) by DGGEML402-HUB.china.huawei.com ([fe80::fca6:7568:4ee3:c776%31]) with mapi id 14.03.0439.000; Wed, 21 Aug 2019 11:22:30 +0800 From: "Chengli (Cheng Li)" To: "draft-ietf-pce-segment-routing@ietf.org" CC: "pce@ietf.org" Thread-Topic: F and S bit in draft-ietf-pce-segment-routing Thread-Index: AdVXzvu4+dlTCsUZQvixd/OE/voQLA== Date: Wed, 21 Aug 2019 03:22:30 +0000 Message-ID: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.130.185.75] Content-Type: multipart/alternative; boundary="_000_C7C2E1C43D652C4E9E49FE7517C236CB0268B69Ddggeml529mbxchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: [Pce] F and S bit in draft-ietf-pce-segment-routing X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Aug 2019 03:27:11 -0000 --_000_C7C2E1C43D652C4E9E49FE7517C236CB0268B69Ddggeml529mbxchi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi authors, I am a little bit confusing of F and S bit in SR-ERO subobject. https://to= ols.ietf.org/html/draft-ietf-pce-segment-routing-16#section-4.3.1 What is F standing for ? and how about S ? S for SID? It seems like S and F bit can not be set at the same time, correct? Thanks, Cheng --_000_C7C2E1C43D652C4E9E49FE7517C236CB0268B69Ddggeml529mbxchi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi authors,

 

I am a little bit confusing of F and S bit in SR-ERO= subobject.  https://tools.ietf.org/html/draft-ietf-pce-s= egment-routing-16#section-4.3.1

 

What is F standing for ?   

 

and how about S ?  S for SID?

 

It seems like S and F bit can not be set at the same= time, correct?

 

Thanks,

Cheng

 

--_000_C7C2E1C43D652C4E9E49FE7517C236CB0268B69Ddggeml529mbxchi_-- From nobody Tue Aug 20 20:40:38 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7B594120088 for ; Tue, 20 Aug 2019 20:40:36 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2 X-Spam-Level: X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=netflix.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 XIKjcXSROBCM for ; Tue, 20 Aug 2019 20:40:35 -0700 (PDT) Received: from mail-vs1-xe2d.google.com (mail-vs1-xe2d.google.com [IPv6:2607:f8b0:4864:20::e2d]) (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 D133612007A for ; Tue, 20 Aug 2019 20:40:34 -0700 (PDT) Received: by mail-vs1-xe2d.google.com with SMTP id x20so201491vsx.13 for ; Tue, 20 Aug 2019 20:40:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netflix.com; s=google; h=mime-version:from:date:message-id:subject:to:cc; bh=AS5N9kuleXbYOI80bKtcM20Rr2WFALQEXnohv1DIu6g=; b=GCfh1a3levHtvRJ7XADBxc4qIqLtf3e5GqpgNb9YDG6IqKd+qDh5/B425EGlU8sewl AudxDrvRJd/fnN2sG8vNTUh8HJrCMkJuijiI/+rNESbkYbeTy1r8c93AnA7OF/Q5Ineo BdVgVwhB4HFX8PuvHDY8450VNfvcRrQgGZ1zM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=AS5N9kuleXbYOI80bKtcM20Rr2WFALQEXnohv1DIu6g=; b=ZfMWJNaA8CvVuRE2l1QPFS8D95Or+W1yRnXSP4UQwYR+n8ozrc+g+crpcqAfJeos1y TchDuDCEORfSNfWDC4S4aSmXgLu2z5MfQWPaDZAWOZENsC+sfGa+rwtwxBg1ui3R+mGp 4l8XMrAYZMnBXbYlSBi1RqFyMeoxXHe9oBo1p7a8DPss/VZyyVBp8MSAswC1LsVDfjnk u7N89gcDJJesURsQMEEw9eYRkegZCzjmk85Kp2XTUNGCFE+s2+9P3Qn5IyL+8Y2Kesge 4Ut/lBuAOFj+pDIyapVD8CDAUm09/dPd8XL05mb/Gpzf2s/TIZTd/8rjKSsm9q9q1fsU Wj5w== X-Gm-Message-State: APjAAAUMtamuYjzuvUHV8VxlLWiMU3MklZ3B9/ZnrIF8xsP9wDTM0o+c OeMn6O02jADkv49iMqNqNKxy5Tk/wDuEC/PGzMWEPw== X-Google-Smtp-Source: APXvYqwGmP07QnTRALEZIbDVBjSxo7tyJZdxbdfYDz/S3S0hx450MdMWt/xIDD504Xi6qN1vcnOemQKt6QGNeFKZHdA= X-Received: by 2002:a67:b917:: with SMTP id q23mr19105937vsn.153.1566358833846; Tue, 20 Aug 2019 20:40:33 -0700 (PDT) MIME-Version: 1.0 From: Hariharan Ananthakrishnan Date: Tue, 20 Aug 2019 20:40:23 -0700 Message-ID: To: "Siva Sivabalan (msiva)" , cfilsfil@cisco.com, jefftant.ietf@gmail.com, jonathan.hardwick@metaswitch.com, stefano@previdi.net, chengli13@huawei.com Cc: pce@ietf.org Content-Type: multipart/alternative; boundary="000000000000e210760590985517" Archived-At: Subject: [Pce] IPR poll on draft-sivabalan-pce-binding-label-sid-07 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Aug 2019 03:40:37 -0000 --000000000000e210760590985517 Content-Type: text/plain; charset="UTF-8" Hi Authors, In preparation for Working Group last call on this draft, I'd like all authors and contributors to confirm on the list that they are in compliance with IETF IPR rules. Please respond (copying the mailing list) to say one of: I am not aware of any IPR applicable to this draft that should be disclosed in accordance with IETF IPR rules. I am aware of IPR applicable to this draft, and it has already been disclosed to the IETF. I am aware of IPR applicable to this draft, but that has not yet been disclosed to the IETF. I will work to ensure that it will be disclosed in a timely manner. Thanks, - Hari --000000000000e210760590985517 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 
H=
i Authors,

In preparation for Working Group last call on this draft, I'd like all
authors and contributors to confirm on the list that they are in compliance
with IETF IPR rules.

Please respond (copying the mailing list) to say one of:

I am not aware of any IPR applicable to this draft that should be disclosed
in accordance with IETF IPR rules.

I am aware of IPR applicable to this draft, and it has already been
disclosed to the IETF.

I am aware of IPR applicable to this draft, but that has not yet been
disclosed to the IETF. I will work to ensure that it will be disclosed in a
timely manner.

Thanks,
- Hari
--000000000000e210760590985517-- From nobody Tue Aug 20 20:42:00 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 45BF112007A for ; Tue, 20 Aug 2019 20:41:58 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.997 X-Spam-Level: X-Spam-Status: No, score=-1.997 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, MIME_QP_LONG_LINE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (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 nDEoowNiyZaP for ; Tue, 20 Aug 2019 20:41:55 -0700 (PDT) Received: from mail-qt1-x82e.google.com (mail-qt1-x82e.google.com [IPv6:2607:f8b0:4864:20::82e]) (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 B6479120088 for ; Tue, 20 Aug 2019 20:41:55 -0700 (PDT) Received: by mail-qt1-x82e.google.com with SMTP id t12so1369711qtp.9 for ; Tue, 20 Aug 2019 20:41:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=4yVLfLFF0gVqA1OGng3Wamm2Nrpd+FvrzN1/EV/fci0=; b=BfeKCYOfsw6mpoSqza2FyhmnTPVynsXM7oW94oeF8n5Yscdb0nZRRnQETlufziBLkS Yaa40JBgPCHImhilaFeMwvDcOq8LUSksaokDELwX/D/IBWmvohyIKFnPMTX0uwi9SdRg teLRwZr+YL/K6OG3+xzYmUTjG4upA9qqgNSnIPus4coHXufaPplh1M4SaWldf0BjWtnx nHKh4X0B1SEIK+lto5iPTAW67nD2815yac1xKdKZYHABEaoRjrTOOE7T/SV/lscuXaL7 IOHe6ika5lDjQPWJc6xqYwJ0nCHqXL3Q5GbWauxyt08GDHHRcoCXVkzXcrJR3WkAGPvY 6lNw== 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=4yVLfLFF0gVqA1OGng3Wamm2Nrpd+FvrzN1/EV/fci0=; b=OvoBhPXYP5DukU3gwuoiwyqRIdCe/ENCz/vvF6oGkeW28rp7wdv3enJhmpN3dnKHSl 9doOmkNdHqA3RvuC4Eps1m/1rVnQ8TZYQE2dCLNMeV0ZMNQ8F+zQbJlbFI621yc3UyrP kpqmORQVj/SfjYYAqGO/6i+zyJ1BwuU5T5C+POTjKLvSe2vskPFYS3pFzDZHSGOEG5Ff U5jGWEM/VFRmyq9+QvzQfqz8WeNIAF08NSZ2w+qkbNPn9JhTs5TSwSSD90xC+ZGrqI1/ iBegib1N+UogEkdqwb+Aq5JZcuyg/k0ooQYVous/bqtEezC+3br9w/psnLyFCVAp2fsP jd+A== X-Gm-Message-State: APjAAAWhmMN5N3CccNhja4jj/t+Y9Qo31GvMsSNf+SrZN82MA9jv4Pf9 B50cY/u5KZ1k1GfgBP9vPYw= X-Google-Smtp-Source: APXvYqwGnJB/QcshmpWO4edbAm+d6K4ER5YrVzGsvYga3nnqUhAJeLSz60Wi1AC1VqpollWl1P90Cg== X-Received: by 2002:ac8:74d2:: with SMTP id j18mr21025280qtr.378.1566358914846; Tue, 20 Aug 2019 20:41:54 -0700 (PDT) Received: from [172.20.1.160] (rrcs-24-103-231-30.nyc.biz.rr.com. [24.103.231.30]) by smtp.gmail.com with ESMTPSA id q6sm9462760qke.109.2019.08.20.20.41.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 20 Aug 2019 20:41:54 -0700 (PDT) Content-Type: multipart/alternative; boundary=Apple-Mail-437303E1-D0C9-4D77-977F-D645E1169CA5 Mime-Version: 1.0 (1.0) From: Jeff Tantsura X-Mailer: iPhone Mail (16G77) In-Reply-To: Date: Tue, 20 Aug 2019 23:41:53 -0400 Cc: "Siva Sivabalan (msiva)" , cfilsfil@cisco.com, jonathan.hardwick@metaswitch.com, stefano@previdi.net, chengli13@huawei.com, pce@ietf.org Content-Transfer-Encoding: 7bit Message-Id: <9AF0FBF8-75D2-441E-9CF8-832F0FBC929C@gmail.com> References: To: Hariharan Ananthakrishnan Archived-At: Subject: Re: [Pce] IPR poll on draft-sivabalan-pce-binding-label-sid-07 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Aug 2019 03:41:58 -0000 --Apple-Mail-437303E1-D0C9-4D77-977F-D645E1169CA5 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi Hari, I=E2=80=99m not aware of any IPR applicable. Regards, Jeff > On Aug 20, 2019, at 23:40, Hariharan Ananthakrishnan wr= ote: >=20 > Hi Authors, >=20 > In preparation for Working Group last call on this draft, I'd like all > authors and contributors to confirm on the list that they are in complianc= e > with IETF IPR rules. >=20 > Please respond (copying the mailing list) to say one of: >=20 > I am not aware of any IPR applicable to this draft that should be disclose= d > in accordance with IETF IPR rules. >=20 > I am aware of IPR applicable to this draft, and it has already been > disclosed to the IETF. >=20 > I am aware of IPR applicable to this draft, but that has not yet been > disclosed to the IETF. I will work to ensure that it will be disclosed in a= > timely manner. >=20 > Thanks, > - Hari --Apple-Mail-437303E1-D0C9-4D77-977F-D645E1169CA5 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi Hari,

I=E2=80=99m not= aware of any IPR applicable.

Regards,
Jeff

On Aug 20, 2019, a= t 23:40, Hariharan Ananthakrishnan <h= ari@netflix.com> wrote:

Hi Authors,

In preparation for Working Group last call on this draft, I'd like all
authors and contributors to confirm on the list that they are in compliance
with IETF IPR rules.

Please respond (copying the mailing list) to say one of:

I am not aware of any IPR applicable to this draft that should be disclosed
in accordance with IETF IPR rules.

I am aware of IPR applicable to this draft, and it has already been
disclosed to the IETF.

I am aware of IPR applicable to this draft, but that has not yet been
disclosed to the IETF. I will work to ensure that it will be disclosed in a
timely manner.

Thanks,
- Hari
= --Apple-Mail-437303E1-D0C9-4D77-977F-D645E1169CA5-- From nobody Tue Aug 20 20:46:19 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CF0DF120106 for ; Tue, 20 Aug 2019 20:46:17 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.199 X-Spam-Level: X-Spam-Status: No, score=-4.199 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1KrnZQFusEOB for ; Tue, 20 Aug 2019 20:46:15 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 58E2C120088 for ; Tue, 20 Aug 2019 20:46:15 -0700 (PDT) Received: from lhreml704-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id A3812AC9680A16EE44F1; Wed, 21 Aug 2019 04:46:13 +0100 (IST) Received: from DGGEML401-HUB.china.huawei.com (10.3.17.32) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 21 Aug 2019 04:46:13 +0100 Received: from DGGEML529-MBX.china.huawei.com ([169.254.6.7]) by DGGEML401-HUB.china.huawei.com ([fe80::89ed:853e:30a9:2a79%31]) with mapi id 14.03.0439.000; Wed, 21 Aug 2019 11:43:08 +0800 From: "Chengli (Cheng Li)" To: Hariharan Ananthakrishnan , "Siva Sivabalan (msiva)" , "cfilsfil@cisco.com" , "jefftant.ietf@gmail.com" , "jonathan.hardwick@metaswitch.com" , "stefano@previdi.net" CC: "pce@ietf.org" Thread-Topic: IPR poll on draft-sivabalan-pce-binding-label-sid-07 Thread-Index: AQHVV9Iz6KWrF20RdE228z/sFHlrlqcE9LIQ Date: Wed, 21 Aug 2019 03:43:07 +0000 Message-ID: References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.130.185.75] Content-Type: multipart/alternative; boundary="_000_C7C2E1C43D652C4E9E49FE7517C236CB0268B6E7dggeml529mbxchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [Pce] IPR poll on draft-sivabalan-pce-binding-label-sid-07 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Aug 2019 03:46:18 -0000 --_000_C7C2E1C43D652C4E9E49FE7517C236CB0268B6E7dggeml529mbxchi_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 SGkgSGFyaSwNCg0KDQoNCkkgYW0gbm90IGF3YXJlIG9mIGFueSBJUFIgYXBwbGljYWJsZSB0byB0 aGlzIGRyYWZ0Lg0KDQoNCg0KVGhhbmtzLA0KDQpDaGVuZw0KDQoNCkZyb206IEhhcmloYXJhbiBB bmFudGhha3Jpc2huYW4gW21haWx0bzpoYXJpQG5ldGZsaXguY29tXQ0KU2VudDogV2VkbmVzZGF5 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DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id R_kiCH5W5gQo; Tue, 20 Aug 2019 22:51:23 -0700 (PDT) Received: from mail-io1-xd34.google.com (mail-io1-xd34.google.com [IPv6:2607:f8b0:4864:20::d34]) (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 5DDE612007A; Tue, 20 Aug 2019 22:51:23 -0700 (PDT) Received: by mail-io1-xd34.google.com with SMTP id o9so2239816iom.3; Tue, 20 Aug 2019 22:51:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=D/tr0jCTeSgYsh3IATIK1L8xp54ojio/1MQsL/b8z8Q=; b=uzIffcw+2yp2h5Si8L+QvWFM6aVzBFP1YI/ktWPxgIG8cz+E6MxxXFP+UES2pW43AX QIx0wN98TvKkmNqSnTwQXR7zoRhb9SZ25E4HPwwdjc4gKkKZ0u6Yu0M/Jd3mMKgf/cWl qDkKJZAkFfnmR/06jTJ9Dyy8G3yJma4eU/nbbtRTkwp6mjWqsQc2KptPlWWTR89n+sht kYZpgdTvuXfeZrLnOVGvre3t6UK4EULfgDH8Jpb+tsQwDm/RdX6gvsfUvawo4bztGaNp zVqnIuJeaMWJzvnCawG1RI8qUiDYtWuqD5HVHIi2ZxMZxH+R54/HaYVQDJ+p2lvxcKGf oVjw== 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=D/tr0jCTeSgYsh3IATIK1L8xp54ojio/1MQsL/b8z8Q=; b=uoK3U0KQ2t+NNTvgoSEx9A7G6BreGLsBRUpMgB/B5eoEzp1xjab0JnZZkFuXAZxyG3 DU1jyX3dMPRDK1j7WqtT4BJCRvj5eaGPXcZDB27zy5FRhoIQclultTdJmqi5EHQwfa7i wWCgLTenylfbcvoRTwjy3OaPenl6Pdt0emKwhCUB2hqsUPsgUjzonvRBW2sw0HSPdTgW 27uSD0bSvO3jEUhFjY4X/LQajJiRxgLIQ8fSMTe8syOrQGg+dlCpPeu+RuPzP9MRjB2l C5fsCJ3YLTHv65j8N0AqIvBMdpkWYPZmxRYqgdfH/d/MokV8cpKiXQXINX6U6yzpGM/J rglA== X-Gm-Message-State: APjAAAXCaMuuqPCGjjObrccT/Mo/7kQnsRMDlSHjTQ/nd1KgQNfTWdXO xukOn/zivISViddmxU/yuLilSZvpspJWMFVWQXU= X-Google-Smtp-Source: APXvYqyHpAiYL1hiez2Vt5RnqfDa9PpsfXUtTTfEdykWIiNv6KYI3R8iDgYfC2EQZl32mde2+O6bgEe4P3wLL1vYQL0= X-Received: by 2002:a6b:b44c:: with SMTP id d73mr6574698iof.279.1566366682437; Tue, 20 Aug 2019 22:51:22 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Dhruv Dhody Date: Wed, 21 Aug 2019 11:20:45 +0530 Message-ID: To: "Chengli (Cheng Li)" Cc: "draft-ietf-pce-segment-routing@ietf.org" , "pce@ietf.org" Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: Re: [Pce] F and S bit in draft-ietf-pce-segment-routing X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Aug 2019 05:51:25 -0000 Hi Cheng, Not an author, but as a document shepherd for this one - The alphabets assigned to the bits do not have to expand to a keyword in the description, even though that is the usual practice for readability purpose. I am not sure why the authors picked "F" but it did not matter to me while reviewing, what mattered was the description and usage of the bit. Might be interesting to note that we have similar cases when you scan the flag registries in our IANA page - https://www.iana.org/assignments/pcep/pcep.xhtml And regarding setting of both flags, yes - that is not allowed and we have this text - If a PCC receives an SR-ERO subobject in which the S and F bits are both set to 1 (that is, both the SID and NAI are absent), it MUST consider the entire ERO invalid and send a PCErr message with Error- Type = 10 ("Reception of an invalid object") and Error-Value = 6 ("Both SID and NAI are absent in SR-ERO subobject"). I encourage authors to put forward their perspective. Thanks! Dhruv On Wed, Aug 21, 2019 at 8:57 AM Chengli (Cheng Li) wrote: > > Hi authors, > > > > I am a little bit confusing of F and S bit in SR-ERO subobject. https://tools.ietf.org/html/draft-ietf-pce-segment-routing-16#section-4.3.1 > > > > What is F standing for ? > > > > and how about S ? S for SID? > > > > It seems like S and F bit can not be set at the same time, correct? > > > > Thanks, > > Cheng > > > > _______________________________________________ > Pce mailing list > Pce@ietf.org > https://www.ietf.org/mailman/listinfo/pce From nobody Wed Aug 21 00:10:04 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7F64A120220; Wed, 21 Aug 2019 00:10:02 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.2 X-Spam-Level: X-Spam-Status: No, score=-4.2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_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 x3Z2OIBYutRY; Wed, 21 Aug 2019 00:10:00 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 09705120122; Wed, 21 Aug 2019 00:10:00 -0700 (PDT) Received: from lhreml705-cah.china.huawei.com (unknown [172.18.7.108]) by Forcepoint Email with ESMTP id ED141CA01CDD63F06AA1; Wed, 21 Aug 2019 08:09:57 +0100 (IST) Received: from LHREML505-MBS.china.huawei.com ([169.254.1.179]) by lhreml705-cah.china.huawei.com ([10.201.108.46]) with mapi id 14.03.0415.000; Wed, 21 Aug 2019 08:09:53 +0100 From: Khasanov Boris To: Dhruv Dhody , "pce@ietf.org" CC: pce-chairs Thread-Topic: [Pce] WG adoption poll for draft-sivabalan-pce-binding-label-sid-07 Thread-Index: AQHVV39E7J1jXgmla0qLHENd0HUg0KcFKKzw Date: Wed, 21 Aug 2019 07:09:52 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.198.247.151] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [Pce] WG adoption poll for draft-sivabalan-pce-binding-label-sid-07 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Aug 2019 07:10:03 -0000 Hi Dhruv and all, Yes, I personally support the adoption of this draft. Additionally to a pre-adoption review, few questions to authors for a think= ing during next version preparation (sorry if I missed earlier discussion a= bout this). The draft says: " A PCC could report the binding label/SID allocated by it to the stateful PCE via Path Computation State Report (PCRpt) message. It is also possible for a stateful PCE to request a PCC to allocate a specific binding label/SID by sending an Path Computation Update Request (PCUpd) message. ... Additionally, to support the PCE based central controller [RFC8283] operation where the PCE would take responsibility for managing some part of the MPLS label space for each of the routers that it controls, the PCE could directly make the binding label/SID allocation and inform the PCC." In case of PCE based central controller {RFC8283] when PCECC is responsible= for label allocation it is quite clear - how we could optimally use a Bind= ing SID, PCE knows everything and knows where to use Binding SID so it can = 'force' needed PCCs to allocate it via PCUpd as it is mentioned in the dra= ft. or provision a Binding SID in centralized mode. But what about our traditional distributed case, for example, how Gateway N= ode 1 (Fig.1 in the draft) would understand that he should allocate a Bindi= ng SID towards PCE? What will trigger that ?=20 Should Gateway Node 1 analyze capabilities of Access node (Maximum SID dept= h) and make an assumption that it could need a Binding SID? IMO, we should think and try to propose some mechanism (besides relying on = PCE central controller) for distributed case to let PCC know that he shoul= d create Binding SID and report it to PCE. Thank you. SY, Boris -----Original Message----- From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Dhruv Dhody Sent: Tuesday, August 20, 2019 8:45 PM To: pce@ietf.org Cc: pce-chairs Subject: [Pce] WG adoption poll for draft-sivabalan-pce-binding-label-sid-0= 7 Hi WG, This email begins the WG adoption poll for draft-sivabalan-pce-binding-label-sid-07 [1]. Should this draft be adopted by the PCE WG? Please state your reasons - Why= / Why not? What needs to be fixed before or after adoption? Are you willin= g to work on this draft? Review comments should be posted to the list. One of the chairs did a pre-adoption review [2] and authors posted a new re= vision. Note that there are known implementations. This adoption poll will end on 6th September 2019. Thanks! Dhruv (for the chairs) [1] https://tools.ietf.org/html/draft-sivabalan-pce-binding-label-sid-07 [2] https://mailarchive.ietf.org/arch/msg/pce/oaBIRA9FnNsV6-JrKKRCdwtLysk _______________________________________________ Pce mailing list Pce@ietf.org https://www.ietf.org/mailman/listinfo/pce From nobody Wed Aug 21 01:56:22 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 40C1F12081F; Wed, 21 Aug 2019 01:56:21 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lEguVzoTQVaO; Wed, 21 Aug 2019 01:56:19 -0700 (PDT) Received: from mail-io1-xd36.google.com (mail-io1-xd36.google.com [IPv6:2607:f8b0:4864:20::d36]) (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 3349312088E; Wed, 21 Aug 2019 01:56:19 -0700 (PDT) Received: by mail-io1-xd36.google.com with SMTP id o9so3063042iom.3; Wed, 21 Aug 2019 01:56:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=SugfEXDf/Ssr0ZwKwpUTgF7z4dyg6PjuWvHQANqhx5Y=; b=m0+c5JlRPj75mZe2LHVKftobQ3LbbIKD5XCBW/Az2vQTwJuJ4A9wBmvQC+vI7XIGIW eBmb60pApd/ylR8ThUPLOonIYVKDR8bSIjhM4/+Oz+G8YS1dq7K2rc/cGSa9/eCkILA6 C+xmI98MnFsWcSsRPofhcg+B4J8IQY88JSDOtuVSeg7dvTNeBQNbyxzW7GefDBOUQoGj RsIWguBmqjVkPC+YFjCUpGy3ZJOCDSI73E7Hj59EZLcB+/DtL7PVrhfI0Q5/zOaG/E3V hlKS+rsUMnp7RVkC8ZRHUEFXIlGE0lhb1uhCGxP6XTgdFf/YdpnvXZyI6rDY4xJ9YG6Y 4eYQ== 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=SugfEXDf/Ssr0ZwKwpUTgF7z4dyg6PjuWvHQANqhx5Y=; b=TSTknP5o2aPBmp+witmb4ZQUvZRRrhTpNbZXerBGqWTmBZP8zTbxS4IlgFpuxtjLZJ JMWRyyy7i6QBvREg0RvB4DRHhQEblgqvZDUVwgmTEF82tA+JvhjfcrIqgUNPG6DYH2li VM7g09jwnPiIeRSjFtYC7gv4WrGFfnMu3AFLvLzqufBxHNd8n7YKDf+bttb1oyS9oJL9 eA3EajdS+9+XCDC1wQxMewBJzbWXwWhHCoXKr6O1zZOk8Uvlm6usJs2qvG17BN2Qr/My QGf4HJ0ctFPdsbSZZS/3t4bjfJqjIC2dGZ4vt7uE5Y84GtwzpMFd6XPW/Xun/hK+DdT5 /dbQ== X-Gm-Message-State: APjAAAXNZ/+La0QucxI8G0GtHSIMM32zHfG4uLWMNmWKUDAVM4g5SXX5 RnRuk6lZBHHNq5nf03t71rZ7+oqYC2fSg9jn+pM= X-Google-Smtp-Source: APXvYqzY1gyj1qgIn9XkdSL0tA/GJI849seNBAhWXAFqyv8YosEE3oOKi2HTHEwSEOUHzBTHDhIcgXNowIu9C6rAht8= X-Received: by 2002:a6b:c98c:: with SMTP id z134mr5187419iof.276.1566377778159; Wed, 21 Aug 2019 01:56:18 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Dhruv Dhody Date: Wed, 21 Aug 2019 14:25:41 +0530 Message-ID: To: Khasanov Boris Cc: "pce@ietf.org" , pce-chairs Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: Re: [Pce] WG adoption poll for draft-sivabalan-pce-binding-label-sid-07 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Aug 2019 08:56:21 -0000 Hi Boris, [As a WG participant] > But what about our traditional distributed case, for example, how Gateway Node 1 (Fig.1 in the draft) would understand that he should allocate a Binding SID towards PCE? > What will trigger that ? Currently, the draft says - A local policy or configuration at the PCC SHOULD dictate if the binding label/SID needs to be assigned. Otherwise, PCE can trigger the allocation by sending a PCUpd message with empty TLV as well. Note that this does not require PCECC capability. In some cases, a stateful PCE can request the PCC to allocate a binding value. It may do so by sending a PCUpd message containing an empty TE-PATH-BINDING TLV, i.e., no binding value is specified (making the length field of the TLV as 2). > Should Gateway Node 1 analyze capabilities of Access node (Maximum SID depth) and make an assumption that it could need a Binding SID? > I doubt this could be automated without the help of PCE. > IMO, we should think and try to propose some mechanism (besides relying on PCE central controller) for distributed case to let PCC know that he should create Binding SID and report it to PCE. > So the question is if anything beyond local policy or configuration at PCC needs to be done. I am not sure... Thanks! Dhruv > Thank you. > > SY, > Boris > > -----Original Message----- > From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Dhruv Dhody > Sent: Tuesday, August 20, 2019 8:45 PM > To: pce@ietf.org > Cc: pce-chairs > Subject: [Pce] WG adoption poll for draft-sivabalan-pce-binding-label-sid-07 > > Hi WG, > > This email begins the WG adoption poll for > draft-sivabalan-pce-binding-label-sid-07 [1]. > > Should this draft be adopted by the PCE WG? Please state your reasons - Why / Why not? What needs to be fixed before or after adoption? Are you willing to work on this draft? Review comments should be posted to the list. > > One of the chairs did a pre-adoption review [2] and authors posted a new revision. Note that there are known implementations. > > This adoption poll will end on 6th September 2019. > > Thanks! > Dhruv (for the chairs) > > > [1] https://tools.ietf.org/html/draft-sivabalan-pce-binding-label-sid-07 > [2] https://mailarchive.ietf.org/arch/msg/pce/oaBIRA9FnNsV6-JrKKRCdwtLysk > > _______________________________________________ > Pce mailing list > Pce@ietf.org > https://www.ietf.org/mailman/listinfo/pce From nobody Wed Aug 21 02:12:34 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E01501208C7; Wed, 21 Aug 2019 02:12:32 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.2 X-Spam-Level: X-Spam-Status: No, score=-4.2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by 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Thread-Topic: [Lsr] Solicit feedback on draft-ietf-lsr-pce-discovery-security-support-01 Thread-Index: AdVX/8XkfKuVQ5IhRzGKGQAO12zcgQ== Date: Wed, 21 Aug 2019 09:11:03 +0000 Message-ID: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.134.31.203] Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [Pce] [Lsr] Solicit feedback on draft-ietf-lsr-pce-discovery-security-support-01 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Aug 2019 09:12:33 -0000 VGhhbmtzIEFkcmlhbiBmb3IgYSBwcm9wb3NlZCB3YXkgZm9yd2FyZCwgQWlqdW4gaGFzIGFscmVh ZHkgbWFkZSBhIHJlc3BvbnNlIHRvIHRoaXMgZW1haWwgaW4gdGhlIExTUiBNTCBiZWZvcmUgSUVU 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Z2VzLg0KV2Ugd291bGQgbGlrZSB0byBzb2xpY2l0IGNvbW1lbnRzIGFuZCBmZWVkYmFjayBhZ2Fp biBvbiB0aGlzIGRyYWZ0LiBUaGFua3MgaW4gYWR2YW5jZSENCg0KLVFpbg0KDQo= From nobody Wed Aug 21 02:22:26 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8E4591208A9; Wed, 21 Aug 2019 02:22:24 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.598 X-Spam-Level: X-Spam-Status: No, score=-2.598 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_NONE=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 tqkPSvdGO8MQ; Wed, 21 Aug 2019 02:22:22 -0700 (PDT) Received: from mta5.iomartmail.com (mta5.iomartmail.com [62.128.193.155]) (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 9D0F512087A; Wed, 21 Aug 2019 02:22:22 -0700 (PDT) Received: from vs1.iomartmail.com (vs1.iomartmail.com [10.12.10.121]) by mta5.iomartmail.com (8.14.4/8.14.4) with ESMTP id x7L9MK9D023672; Wed, 21 Aug 2019 10:22:20 +0100 Received: from vs1.iomartmail.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 67A8422042; Wed, 21 Aug 2019 10:22:20 +0100 (BST) Received: from asmtp2.iomartmail.com (unknown [10.12.10.249]) by vs1.iomartmail.com (Postfix) with ESMTPS id 5977A2203A; Wed, 21 Aug 2019 10:22:20 +0100 (BST) Received: from LAPTOPK7AS653V ([84.93.32.52]) (authenticated bits=0) by asmtp2.iomartmail.com (8.14.4/8.14.4) with ESMTP id x7L9MJ6Z008911 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 21 Aug 2019 10:22:19 +0100 Reply-To: From: "Adrian Farrel" To: Cc: Date: Wed, 21 Aug 2019 10:22:18 +0100 Organization: Old Dog Consulting Message-ID: <013101d55801$ee95e470$cbc1ad50$@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: AdVYAcFuK998RKTpT0akKTENeY1BKA== Content-Language: en-gb X-Originating-IP: 84.93.32.52 X-Thinkmail-Auth: adrian@olddog.co.uk X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSVA-9.0.0.1623-8.2.0.1013-24860.006 X-TM-AS-Result: No--4.088-10.0-31-10 X-imss-scan-details: No--4.088-10.0-31-10 X-TMASE-Version: IMSVA-9.0.0.1623-8.2.1013-24860.006 X-TMASE-Result: 10--4.088300-10.000000 X-TMASE-MatchedRID: sp7ydYs5cjqCc9vl1epVq+qq1/VfpBZTJgw6zndpyKMXY+gNTubOQIR4 RLK5G1ihI5OZyeN5Gv16FyoMQoMWqXj7PwsdQyXdvmT2VURehlrxAJQLHjrob5soi2XrUn/JyeM tMD9QOgAzDLM3gGacyQ1fA1QHegDv3QfwsVk0UbuGrPnef/I+emH7vMUqwjECO1xibztQE6GiAL UgD2l5h1VFsw57PM8dwKaQwPOlN1anyLbqIYI358P9zZjybGuKTVn51J26DC9U11F9HU0HTw== X-TMASE-SNAP-Result: 1.821001.0001-0-1-12:0,22:0,33:0,34:0-0 Archived-At: Subject: [Pce] draft-leedhody-pce-vn-association adopted by PCE WG X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Aug 2019 09:22:25 -0000 Thanks to all who responded to this poll. The result was not overwhelming, but the chairs think that there is just about enough support to move forward. Authors, please post the draft as draft-ietf-pce-vn-association-00 with no changes except for the name, and be sure to set the "replaces" information. Thanks, Adrian pp PCE Chairs From nobody Wed Aug 21 02:40:08 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id E6E7E120142; Wed, 21 Aug 2019 02:39:57 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: pce@ietf.org Message-ID: <156638039786.25722.18072598122803397402@ietfa.amsl.com> Date: Wed, 21 Aug 2019 02:39:57 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-vn-association-00.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Aug 2019 09:39:58 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : Path Computation Element communication Protocol (PCEP) extensions for Establishing Relationships between sets of LSPs and Virtual Networks Authors : Young Lee Xian Zhang Daniele Ceccarelli Filename : draft-ietf-pce-vn-association-00.txt Pages : 14 Date : 2019-08-21 Abstract: This document describes how to extend Path Computation Element (PCE) Communication Protocol (PCEP) association mechanism introduced by the PCEP Association Group specification, to further associate sets of LSPs with a higher-level structure such as a virtual network (VN) requested by clients or applications. This extended association mechanism can be used to facilitate virtual network control using PCE architecture. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-vn-association/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-vn-association-00 https://datatracker.ietf.org/doc/html/draft-ietf-pce-vn-association-00 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Wed Aug 21 03:04:04 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8E9651208DE for ; Wed, 21 Aug 2019 03:04:03 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id xTcGrUe9KIWS for ; Wed, 21 Aug 2019 03:04:01 -0700 (PDT) Received: from mail-io1-xd2f.google.com (mail-io1-xd2f.google.com [IPv6:2607:f8b0:4864:20::d2f]) (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 ACD1A1208DA for ; Wed, 21 Aug 2019 03:04:01 -0700 (PDT) Received: by mail-io1-xd2f.google.com with SMTP id e20so3314658iob.9; Wed, 21 Aug 2019 03:04:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=X2lU1sL5Pglv0BRebrb5R4GNRYnbf8idxVUjx7+lA8E=; b=EGklFJx+BCJ6FNtihrpUJNgEa9ijKQ06u39aAG2hP7ByNnm69aQu/jtFi98mDtAJwI aEB5NY/0D4XFgSb3u1PDccH2jeexS9esxFzmvVy+6NvQ50dNCz6DL6Yp1BL8OkL+7eE6 Gau2Fs2QprMRHJypQGuBN12V6N/0TYh9D0odrdPqhY9etTbVNHryr/586nZN8m4lxm81 qi5cXL0IC6YWp5R4RGF7NvRwH75y+VocrVHjV9ioo3GnSiMHpvzN3ZTJms40sfDJHtvC zkR0o8S/aQGQVnBESnnPmGs3UNRB/QvuL9GGeQhdfrTy8LpKS7CfdVAiRfUHYEw4NbFm IjOg== 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=X2lU1sL5Pglv0BRebrb5R4GNRYnbf8idxVUjx7+lA8E=; b=AbpYwUbiTnBsI0Hqh2VvBu4pE7VLE3BpRs3t312GCOsC5F7RTx6s4l1gj7FqdmnWxb +0Bl9HeJtyZqa5iNQ2Y1H4dWCZmUYXFfSTdeCzNf4TI8/lQu5DX86QrCYTy47BZpuzop H7AHjWc1Bddq0LIKaze+uVLXk86uT9Qzdjas4Zc8r5xKNci7GkL63osuR7OZHfe2UPPO SzD1txsdHO8cKqs9ABoJQEgvLiMae6Cnr2JGREcHnaCMozt5dCJopNKHJBifmt3r7VFl wKEVus2FS48DS6c0LP9LgMYtUzQORMmfuI6K6eABM10DNac7p3xkB8H/Lc40Zp/wA0Gh SkQQ== X-Gm-Message-State: APjAAAV44Xg68Gfd+H+/Z4qEuL/5Gna/yWUuRSSDVaq0GkLt/zFmV7B3 LNTnhVyzVGGN7ZZnMUjO2BDnJtGUxRVCJRGB0by8Of0ZnwM= X-Google-Smtp-Source: APXvYqx26+YTsNQLInh6DcWOVG4XOBECDN7JTP6655mXqDfrR+AdbPiw7sa70UwXlVZRNSlPj5kzIa3ss12rZuCH/xI= X-Received: by 2002:a5e:c301:: with SMTP id a1mr34064943iok.1.1566381840674; Wed, 21 Aug 2019 03:04:00 -0700 (PDT) MIME-Version: 1.0 References: <156638039786.25722.18072598122803397402@ietfa.amsl.com> In-Reply-To: <156638039786.25722.18072598122803397402@ietfa.amsl.com> From: Dhruv Dhody Date: Wed, 21 Aug 2019 15:33:24 +0530 Message-ID: To: pce@ietf.org, Zhenghaomian Cc: draft-ietf-pce-vn-association@ietf.org Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: Re: [Pce] I-D Action: draft-ietf-pce-vn-association-00.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Aug 2019 10:04:04 -0000 Hi WG, The authors and chairs discussed the active authorship for this I-D. Xian would like to be moved to the contributor section. We thank for her contribution towards the WG. We invited Haomian to join as author of this I-D and help progress it through the WG process. Authors, Please make necessary changes in the next revision. Thanks! Dhruv (for PCE Chairs) On Wed, Aug 21, 2019 at 3:10 PM wrote: > > > A New Internet-Draft is available from the on-line Internet-Drafts directories. > This draft is a work item of the Path Computation Element WG of the IETF. > > Title : Path Computation Element communication Protocol (PCEP) extensions for Establishing Relationships between sets of LSPs and Virtual Networks > Authors : Young Lee > Xian Zhang > Daniele Ceccarelli > Filename : draft-ietf-pce-vn-association-00.txt > Pages : 14 > Date : 2019-08-21 > > Abstract: > This document describes how to extend Path Computation Element (PCE) > Communication Protocol (PCEP) association mechanism introduced by the > PCEP Association Group specification, to further associate sets of > LSPs with a higher-level structure such as a virtual network (VN) > requested by clients or applications. This extended association > mechanism can be used to facilitate virtual network control using PCE > architecture. > > > > > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-ietf-pce-vn-association/ > > There are also htmlized versions available at: > https://tools.ietf.org/html/draft-ietf-pce-vn-association-00 > https://datatracker.ietf.org/doc/html/draft-ietf-pce-vn-association-00 > > > Please note that it may take a couple of minutes from the time of submission > until the htmlized version and diff are available at tools.ietf.org. > > Internet-Drafts are also available by anonymous FTP at: > ftp://ftp.ietf.org/internet-drafts/ > > _______________________________________________ > Pce mailing list > Pce@ietf.org > https://www.ietf.org/mailman/listinfo/pce From nobody Wed Aug 21 03:37:54 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 65EA11208FE for ; Wed, 21 Aug 2019 03:37:52 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=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 wN_rKwM1BzZh for ; Wed, 21 Aug 2019 03:37:50 -0700 (PDT) Received: from mail-wr1-x433.google.com (mail-wr1-x433.google.com [IPv6:2a00:1450:4864:20::433]) (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 77FBD1208F8 for ; Wed, 21 Aug 2019 03:37:50 -0700 (PDT) Received: by mail-wr1-x433.google.com with SMTP id z1so1508161wru.13 for ; Wed, 21 Aug 2019 03:37:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=previdi-net.20150623.gappssmtp.com; s=20150623; h=subject:mime-version:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=YbgyJ9xTgvgH/U8mh6ynNAFO/iuXhDYKxlD3pcd70xc=; b=aEs+h1ne0pxadeoOjv8+yg1dGDrUX+V6Y/tBS60eK5qVmGDoVRHKm+HmgZ7OQGptOq Twi8bjLeUUfKTtTo9GKpbUqVOz4sEfCvNQAQ91NM/XIq2QWSg9z2nU/2rjevo8koaEpF fIncFM+eAmFWergrxvxex1WhpB4o0QztTJdaMd6n/OARWRQ2ZHxy+fMinWpvwMX0vHOY xO5z0nZtbeAfeesJWFcle7m0TzJEWos0HkC5UuvMH0wBqPNfG1a7FjW6pbYNxDuIVaa3 FfOtypVr+zckfCz5FPpVw9QybkTOZch7ddlvc1je9jiwgieNmmpxP9vUs+NFsefD2Uhm RxDA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:mime-version:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=YbgyJ9xTgvgH/U8mh6ynNAFO/iuXhDYKxlD3pcd70xc=; b=WugoimcXEUhhbhxz/sJrYf86t1Eem9ydrDZPeBy29pPT+LiIKtFyE+BdWx85osmrUE AtFcOXnP8dIgFyZBAbWxhZKzjQ5mtHuNXctQ/QGdbd7LJdNhbuVXrr/i10X4jWkyHV4b mNiL/GZdfvX5tspJn9im1L2518DWgVqgzAZXuDXKo3/ratwENLummc2BcCb/JP5y3Cjc dbrZYkx/noaji5Go9p+0CiW4Ewi1MLqIDw5qlP18c3hKiBw93w7pt+FyzFTXGnSeoVqd 4QdaWmGnyLGrtGWJcx9Y2khU8JIA2DgYL0RXjXi+lCMCssEIhmJbBx/7kYP+gQ0pvlLb qFzQ== X-Gm-Message-State: APjAAAXlKt6Jka6MerVv1iBGN+xNJpPZBzxPFCEVhAnpHTIbYTanXnLL YylvnHRRzidIYj3Ynybdnij25w== X-Google-Smtp-Source: APXvYqy/MlOFjBJuQm/AYaPeQApWQS+WRAVxtY7bqw1r3EU1Vde8WaoqdcKh1KmzL212SeYAmo0Lcg== X-Received: by 2002:adf:f386:: with SMTP id m6mr5447238wro.313.1566383868846; Wed, 21 Aug 2019 03:37:48 -0700 (PDT) Received: from [192.168.1.7] (net-93-147-205-42.cust.vodafonedsl.it. [93.147.205.42]) by smtp.gmail.com with ESMTPSA id g197sm4148176wme.30.2019.08.21.03.37.47 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 21 Aug 2019 03:37:48 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) Content-Type: text/plain; charset=us-ascii From: stefano previdi In-Reply-To: Date: Wed, 21 Aug 2019 12:40:10 +0200 Cc: "Siva Sivabalan (msiva)" , "Clarence Filsfils (cfilsfil)" , Jeff Tantsura , jonathan.hardwick@metaswitch.com, chengli13@huawei.com, pce@ietf.org Content-Transfer-Encoding: quoted-printable Message-Id: References: To: Hariharan Ananthakrishnan X-Mailer: Apple Mail (2.2104) Archived-At: Subject: Re: [Pce] IPR poll on draft-sivabalan-pce-binding-label-sid-07 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Aug 2019 10:37:53 -0000 Hi, I am not aware of any IPR applicable to this draft that should be = disclosed in accordance with IETF IPR rules. Thanks. s. > On Aug 21, 2019, at 5:40 AM, Hariharan Ananthakrishnan = wrote: >=20 > Hi Authors, >=20 > In preparation for Working Group last call on this draft, I'd like all > authors and contributors to confirm on the list that they are in = compliance > with IETF IPR rules. >=20 > Please respond (copying the mailing list) to say one of: >=20 > I am not aware of any IPR applicable to this draft that should be = disclosed > in accordance with IETF IPR rules. >=20 > I am aware of IPR applicable to this draft, and it has already been > disclosed to the IETF. >=20 > I am aware of IPR applicable to this draft, but that has not yet been > disclosed to the IETF. I will work to ensure that it will be disclosed = in a > timely manner. >=20 > Thanks, > - Hari >=20 From nobody Wed Aug 21 04:01:34 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 79C161208FF for ; Wed, 21 Aug 2019 04:01:31 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.499 X-Spam-Level: X-Spam-Status: No, score=-14.499 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com header.b=DUKAkeWh; dkim=pass (1024-bit key) header.d=cisco.onmicrosoft.com header.b=IGtl4INf Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com 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<8bc6f14c-3c4b-9d00-e920-4bebf4c58f15@alum.mit.edu> From: Dhruv Dhody Date: Wed, 21 Aug 2019 16:56:31 +0530 Message-ID: To: Paul Kyzivat Cc: draft-ietf-pce-stateful-hpce.all@ietf.org, General Area Review Team , pce@ietf.org, Daniel King Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: Re: [Pce] Gen-ART Last Call review of draft-ietf-pce-stateful-hpce-11 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Aug 2019 11:27:11 -0000 Hi Paul, Thanks for your review, please see inline... On Tue, Aug 20, 2019 at 9:58 PM Paul Kyzivat wrote: > > I am the assigned Gen-ART reviewer for this draft. The General Area > Review Team (Gen-ART) reviews all IETF documents being processed > by the IESG for the IETF Chair. Please treat these comments just > like any other last call comments. > > For more information, please see the FAQ at > > . > > Document: draft-ietf-pce-stateful-hpce-11 > Reviewer: Paul Kyzivat > Review Date: 2019-08-20 > IETF LC End Date: 2019-08-28 > IESG Telechat date: ? > > Summary: > > This draft is basically ready for publication, but has nits that should > be fixed before publication. > > Issues: > > Major: 0 > Minor: 0 > Nits: 7 > > 1) NIT: No glossary > > Since I am not familiar with the subject domain, when I started reading > this document I felt I was lost among the acronyms. While you are good > at defining these at first use, I couldn't keep them all in mind as I > read. I had to create my own glossary to support me while reading. I > would really appreciate having a glossary in the document. > Added. > 2) NIT: Inconsistent terminology > > In section 3 two pairs of terms are introduced: (C-E / E-C) and (EC-EP / > EP-EC). IIUC in the first pair "E" stands for "PCE" while in the second > pair "E" seems to stand for "Extended", while "P" stands for PCE. I > found this very confusing. I think it would be better to allow "E" to > mean the same thing in both pairs. Perhaps you could use "X" to stand > for "eXtended". Then there would be clear parallels: > > C -> XC > E -> XE > > Please consider doing something relieve the confusion. > The use of notation C-E and E-C is as per RFC 8231 https://tools.ietf.org/html/rfc8231#section-4 where PCC to PCE is (C-E) and PCE to PCC is (E-C). In this document we wanted to represent messages between C-PCE (child PCE) to P-PCE (parent PCE) and we used EC-EP for it and the reverse EP-EC for P-PCE to C-PCE communication. This was discussed during shepherd review as well (as we were using CE and PE before but that was causing confusion because of the well known meaning of those terms in routing). I would like to keep the existing notations that has WG support. > 3) NIT: Badly formed sentence > > I can't parse this sentence in section 3.1: > > Procedures as described in [RFC6805] are applied and where the > ingress C-PCE (Child PCE), triggers a path computation request for > the LER in the domain where the LSP originates, sends a request to > the P-PCE. > > Can you rephrase it? > Updated. > 4) NIT: Unclear text > > In section 3.1 are steps A/B/C/D to be added at the *end*, after step > 11? It would help to be explicit. > > In step (C) of section 3.2, can you please be explicit about which node > is to execute these elements? I think it is PCE5, but I'm not certain. > Updated. > 5) NIT: Unlinked references > > Some RFC references (e.g. [RFC8051] and [RFC8231] in section 1.1, and > [RFC8232] in section 3.1) are not linked in the HTML version. I suggest > a global search for all such unlinked references in the source. > The HTML version of the draft is automatically generated from the text version. The `rfcmarkup` is used to render the HTML of the I-D/sRFCs. Specifically, rfcmarkup produces the final HTML using heuristics from the source TXT and this is beyond the control of the authors. > 6) NIT: Bad reference link > > In the following from section 3.1: > > Steps 1 to 11 are exactly as described in section 4.6.2 (Hierarchical > PCE End-to-End Path Computation Procedure) of [RFC6805], the > > the "section 4.6.2" is linked to the non-existent section 4.6.2 of > *this* document rather than RFC6805. > > A similar link to the same spot in section 3.2 is ok. > I arranged the words so that rfcmarkup works. > 7) NIT: Outdated references: > > IdNits reports outdated references. I trust these will be updated in due > course. > Updated. Working Copy: https://github.com/dhruvdhody/ietf/blob/master/draft-ietf-pce-stateful-hpce-12.txt Diff: https://tools.ietf.org/rfcdiff?url1=draft-ietf-pce-stateful-hpce-11&url2=https://raw.githubusercontent.com/dhruvdhody/ietf/master/draft-ietf-pce-stateful-hpce-12.txt Thanks! 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mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id g3KUPLVtg0oX; Wed, 21 Aug 2019 10:12:29 -0700 (PDT) Received: from outgoing-alum.mit.edu (outgoing-alum.mit.edu [18.7.68.33]) (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 31F8D120D01; Wed, 21 Aug 2019 10:12:29 -0700 (PDT) Received: from Kokiri.localdomain (c-24-62-227-142.hsd1.ma.comcast.net [24.62.227.142]) (authenticated bits=0) (User authenticated as pkyzivat@ALUM.MIT.EDU) by outgoing-alum.mit.edu (8.14.7/8.12.4) with ESMTP id x7LHCKaH015099 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Wed, 21 Aug 2019 13:12:21 -0400 To: Dhruv Dhody Cc: draft-ietf-pce-stateful-hpce.all@ietf.org, General Area Review Team , pce@ietf.org, Daniel King References: <8bc6f14c-3c4b-9d00-e920-4bebf4c58f15@alum.mit.edu> From: Paul Kyzivat Message-ID: <904a88e9-440f-ba77-cab0-b06e071ec172@alum.mit.edu> Date: Wed, 21 Aug 2019 13:12:20 -0400 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Archived-At: Subject: Re: [Pce] Gen-ART Last Call review of draft-ietf-pce-stateful-hpce-11 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Aug 2019 17:12:35 -0000 Dhruv, Thanks for addressing my concerns. Regarding (C-E / E-C) and (EC-EP / EP-EC): I recognized that there was more to it, and that using "E" for P-PCE in this document would be problematic. I guess this is just a conflict between documents that has to be tolerated. And it hadn't dawned on me that the linking issues were artifacts of the automatic generation mechanism. Thanks, Paul On 8/21/19 7:26 AM, Dhruv Dhody wrote: > Hi Paul, > > Thanks for your review, please see inline... > > On Tue, Aug 20, 2019 at 9:58 PM Paul Kyzivat wrote: >> >> I am the assigned Gen-ART reviewer for this draft. The General Area >> Review Team (Gen-ART) reviews all IETF documents being processed >> by the IESG for the IETF Chair. Please treat these comments just >> like any other last call comments. >> >> For more information, please see the FAQ at >> >> . >> >> Document: draft-ietf-pce-stateful-hpce-11 >> Reviewer: Paul Kyzivat >> Review Date: 2019-08-20 >> IETF LC End Date: 2019-08-28 >> IESG Telechat date: ? >> >> Summary: >> >> This draft is basically ready for publication, but has nits that should >> be fixed before publication. >> >> Issues: >> >> Major: 0 >> Minor: 0 >> Nits: 7 >> >> 1) NIT: No glossary >> >> Since I am not familiar with the subject domain, when I started reading >> this document I felt I was lost among the acronyms. While you are good >> at defining these at first use, I couldn't keep them all in mind as I >> read. I had to create my own glossary to support me while reading. I >> would really appreciate having a glossary in the document. >> > > Added. > >> 2) NIT: Inconsistent terminology >> >> In section 3 two pairs of terms are introduced: (C-E / E-C) and (EC-EP / >> EP-EC). IIUC in the first pair "E" stands for "PCE" while in the second >> pair "E" seems to stand for "Extended", while "P" stands for PCE. I >> found this very confusing. I think it would be better to allow "E" to >> mean the same thing in both pairs. Perhaps you could use "X" to stand >> for "eXtended". Then there would be clear parallels: >> >> C -> XC >> E -> XE >> >> Please consider doing something relieve the confusion. >> > > The use of notation C-E and E-C is as per RFC 8231 > https://tools.ietf.org/html/rfc8231#section-4 where PCC to PCE is > (C-E) and PCE to PCC is (E-C). In this document we wanted to represent > messages between C-PCE (child PCE) to P-PCE (parent PCE) and we used > EC-EP for it and the reverse EP-EC for P-PCE to C-PCE communication. > > This was discussed during shepherd review as well (as we were using CE > and PE before but that was causing confusion because of the well known > meaning of those terms in routing). > > I would like to keep the existing notations that has WG support. > >> 3) NIT: Badly formed sentence >> >> I can't parse this sentence in section 3.1: >> >> Procedures as described in [RFC6805] are applied and where the >> ingress C-PCE (Child PCE), triggers a path computation request for >> the LER in the domain where the LSP originates, sends a request to >> the P-PCE. >> >> Can you rephrase it? >> > > Updated. > >> 4) NIT: Unclear text >> >> In section 3.1 are steps A/B/C/D to be added at the *end*, after step >> 11? It would help to be explicit. >> >> In step (C) of section 3.2, can you please be explicit about which node >> is to execute these elements? I think it is PCE5, but I'm not certain. >> > > Updated. > >> 5) NIT: Unlinked references >> >> Some RFC references (e.g. [RFC8051] and [RFC8231] in section 1.1, and >> [RFC8232] in section 3.1) are not linked in the HTML version. I suggest >> a global search for all such unlinked references in the source. >> > > The HTML version of the draft is automatically generated from the text > version. The `rfcmarkup` is used to render the HTML of the I-D/sRFCs. > Specifically, rfcmarkup produces the final HTML using heuristics from > the source TXT and this is beyond the control of the authors. > >> 6) NIT: Bad reference link >> >> In the following from section 3.1: >> >> Steps 1 to 11 are exactly as described in section 4.6.2 (Hierarchical >> PCE End-to-End Path Computation Procedure) of [RFC6805], the >> >> the "section 4.6.2" is linked to the non-existent section 4.6.2 of >> *this* document rather than RFC6805. >> >> A similar link to the same spot in section 3.2 is ok. >> > > I arranged the words so that rfcmarkup works. > >> 7) NIT: Outdated references: >> >> IdNits reports outdated references. I trust these will be updated in due >> course. >> > > Updated. > > Working Copy: https://github.com/dhruvdhody/ietf/blob/master/draft-ietf-pce-stateful-hpce-12.txt > Diff: https://tools.ietf.org/rfcdiff?url1=draft-ietf-pce-stateful-hpce-11&url2=https://raw.githubusercontent.com/dhruvdhody/ietf/master/draft-ietf-pce-stateful-hpce-12.txt > > Thanks! > Dhruv > From nobody Thu Aug 22 02:05:25 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 764BA120115 for ; Thu, 22 Aug 2019 02:05:23 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: 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L2Rpdj4NCjwvYm9keT4NCjwvaHRtbD4NCg== --_000_BL0PR02MB48684BD8A9CCD41B5D664D7C84A50BL0PR02MB4868namp_-- From nobody Sun Aug 25 09:58:27 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 502A812006B; Sun, 25 Aug 2019 09:58:18 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: pce@ietf.org Message-ID: <156675229822.30958.17850017160693497428@ietfa.amsl.com> Date: Sun, 25 Aug 2019 09:58:18 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-lsp-control-request-08.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 25 Aug 2019 16:58:19 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : Ability for a Stateful Path Computation Element (PCE) to request and obtain control of a Label Switched Path (LSP) Authors : Aswatnarayan Raghuram Al Goddard Jay Karthik Siva Sivabalan Mahendra Singh Negi Filename : draft-ietf-pce-lsp-control-request-08.txt Pages : 12 Date : 2019-08-25 Abstract: A Stateful Path Computation Element (PCE) retains information about the placement of Multiprotocol Label Switching (MPLS) Traffic Engineering Label Switched Paths (TE LSPs). When a PCE has stateful control over LSPs it may send indications to LSP head-ends to modify the attributes (especially the paths) of the LSPs. A Path Computation Client (PCC) has set up LSPs under local configuration may delegate control of those LSPs to a stateful PCE. There are use-cases in which a stateful PCE may wish to obtain control of locally configured LSPs of which it is aware but that have not been delegated to the PCE. This document describes an extension to the Path Computation Element communication Protocol (PCEP) to enable a PCE to make such requests. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-lsp-control-request/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-lsp-control-request-08 https://datatracker.ietf.org/doc/html/draft-ietf-pce-lsp-control-request-08 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-lsp-control-request-08 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 Sun Aug 25 10:13:07 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 690921200E6; Sun, 25 Aug 2019 10:13:06 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.997 X-Spam-Level: X-Spam-Status: No, score=-1.997 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zMiOHXO9nuJ9; Sun, 25 Aug 2019 10:13:04 -0700 (PDT) Received: from mail-ot1-x329.google.com (mail-ot1-x329.google.com [IPv6:2607:f8b0:4864:20::329]) (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 A70D5120033; Sun, 25 Aug 2019 10:13:04 -0700 (PDT) Received: by mail-ot1-x329.google.com with SMTP id c7so13144324otp.1; Sun, 25 Aug 2019 10:13:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=KAusff8vHKIEeCdG/1h5pOk4eAy5zYUDqsWsYb5I8uA=; b=HAB0zL0LecyDPfH5EMVALeLms0SN9pAvo6ZzA/akKVyYJ42dWv3sc9HBFMMk5ZNCFh ocF/uCW8lVnk6IhOLMNMD9pt2jDkezl8pnLL0YT+JgzkCew2Rc9y2Dp06QWH6O0VTPGH c6qmlSKk5L707CIV9wL2WNNWaU83PzuC6ZGzw35QX/xy9r5Uv+rjZMrydSzucli3Dw5k tq9o2DUS5kUhT3MRWu17mxL7bL2zD7KXNt0m+vYh51wlWBDjEzxThJZBKxyQzZo3I0PS zxtUPbgbervPFxN4ztOqfEpa8EoahyrGrRlVeR7jSNwrylPNoCdaT8jSrmpqzyTEGMHG lqGQ== 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=KAusff8vHKIEeCdG/1h5pOk4eAy5zYUDqsWsYb5I8uA=; b=K65Pa7Gp9b1OKT2kRjUnJPQCwCLbr+XwBHirZCP6/tUvARrpVBFZCQBmu8WKtwRgsd QZCA5D1XKdDw5CRtc3lZs/mDlShqFUakKhD1LDq0lgY4TVW6OMIolHHQPc6z6YBOKTo4 TkkGqAJ54pmQt6OdhNVOSkyBy8AysckGCwvM1EsHWo4hb/mp40s+BbqaKVMBzq6XDF2K Buc1T1zsEh1tNM0vpZxXiNZOAzZF6+QjoYG0bNjbh4XW/L78Upa+xy/zCSymuK4d4kOZ JztDpTvEUxAkVzTb7yxDv7G1XwB1Avzs6liXKH5cw3NbryNTqhSgDzqn1xuYRQUVp1Ok 3CAw== X-Gm-Message-State: APjAAAVV2ZRxFHtLsy3AHRDf/fZJf8TWQqWl0gJN5WGsIQVLCas8tDs3 BcfeOzAjjHCU1UUecHHu/Hl28YmZjgO3hD5yDTA= X-Google-Smtp-Source: APXvYqw2P3F4KF99EyH83+ArR+UuPctnf6d6tFeh3wwAweWJISB+gPvOUdvNNronagUCAWfP6n0H3rOgS/TfHCBw04U= X-Received: by 2002:a9d:61c3:: with SMTP id h3mr12530388otk.39.1566753183983; Sun, 25 Aug 2019 10:13:03 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Mahend Negi Date: Sun, 25 Aug 2019 22:42:53 +0530 Message-ID: To: shawn.emery@gmail.com, semery@uccs.edu Cc: secdir , draft-ietf-pce-lsp-control-request.all@ietf.org, pce@ietf.org, Dhruv Dhody Content-Type: multipart/alternative; boundary="000000000000fb6a880590f4260c" Archived-At: Subject: Re: [Pce] Review of draft-ietf-pce-lsp-control-request-07 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 25 Aug 2019 17:13:07 -0000 --000000000000fb6a880590f4260c Content-Type: text/plain; charset="UTF-8" Hi Shawn/Dhruv, Thanks for the review and clarifications, we have fixed all the editorial comments in new version. New Version: https://tools.ietf.org/html/draft-ietf-pce-lsp-control-request-08 Version Diff: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-lsp-control-request-08 Regards, Mahendra On Tue, Aug 20, 2019 at 11:14 AM Dhruv Dhody wrote: > Hi Shawn, > > > > Thanks for your security review and comments. > > On Mon, Aug 19, 2019 at 6:17 AM Shawn Emery wrote: > > > > Reviewer: Shawn M. Emery > > 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. > > > > This draft specifies an extension to the Path Computation Element > communication > > Protocol (PCE) that allows a PCE to request control of Label Switched > Paths (LSPs). > > > > The security considerations section does exist and discusses a new DoS > vector > > that this draft creates. The attack involves sending control requests > for delegate > > control of all of its LSPs to the Path Computation Client (PCC). The > proposed > > solution is to set a threshold rate of the delegation requests for the > PCC per PCE. > > I agree with the proposed solution, though I don't know if guidance can > be provided > > on what these thresholds would be per environment. > > > > As you noted the document does not provide default for the threshold > as it dependent on the deployment/environment. The same is true for > RFC 8231. > > > The section goes on to refer to RFC 8231 to justify that the PCP > extension should > > be deployed with authenticated and encrypted sessions in TLS using RFC > 8253. > > I agree with this prescription as well else an attacker would now be > able to take > > control over all local LSPs with this extension. I think that this > should at least be > > stated if an attacker is able to compromise a PCE. > > > > The security consideration includes "...either by spoofing messages or > by compromising the PCE itself". > > > General comments: > > > > None. > > > > Editorial comments: > > > > s/sends PCRpt/sends a PCRpt/ > > s/also specify/also specifies/ > > s/all its/all of its/ > > s/If threshold/If the threshold/ > > s/explicitly set aside/explicitly excluded/ > > > > Thanks for these, request authors to handle them. > > Thanks! > Dhruv > > > Shawn. > > -- > --000000000000fb6a880590f4260c Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Shawn/Dhruv,

Thanks for t= he review and clarifications, we have fixed all the editorial comments in n= ew version.

New Version:

Version Diff:

Regar= ds,
Mahendra


On Tue, Aug 20, 2019 at 11:= 14 AM Dhruv Dhody <dhruv.ietf@gm= ail.com> wrote:
Hi Shawn,

<adding WG>

Thanks for your security review and comments.

On Mon, Aug 19, 2019 at 6:17 AM Shawn Emery <shawn.emery@gmail.com> wrote:
>
> Reviewer: Shawn M. Emery
> 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 IES= G.
> These comments were written primarily for the benefit of the security<= br> > area directors. Document editors and WG chairs should treat these
> comments just like any other last call comments.
>
> This draft specifies an extension to the Path Computation Element comm= unication
> Protocol (PCE) that allows a PCE to request control of Label Switched = Paths (LSPs).
>
> The security considerations section does exist and discusses a new DoS= vector
> that this draft creates.=C2=A0 The attack involves sending control req= uests for delegate
> control of all of its LSPs to the Path Computation Client (PCC).=C2=A0= The proposed
> solution is to set a threshold rate of the delegation requests for the= PCC per PCE.
> I agree with the proposed solution, though I don't know if guidanc= e can be provided
> on what these thresholds would be per environment.
>

As you noted the document does not provide default for the threshold
as it dependent on the deployment/environment. The same is true for
RFC 8231.

> The section goes on to refer to RFC 8231 to justify that the PCP exten= sion should
> be deployed with authenticated and encrypted sessions in TLS using RFC= 8253.
> I agree with this prescription as well else an attacker would now be a= ble to take
> control over all local LSPs with this extension.=C2=A0 I think that th= is should at least be
> stated if an attacker is able to compromise a PCE.
>

The security consideration includes "...either by spoofing messages or=
by compromising the PCE itself".

> General comments:
>
> None.
>
> Editorial comments:
>
> s/sends PCRpt/sends a PCRpt/
> s/also specify/also specifies/
> s/all its/all of its/
> s/If threshold/If the threshold/
> s/explicitly set aside/explicitly excluded/
>

Thanks for these, request authors to handle them.

Thanks!
Dhruv

> Shawn.
> --
--000000000000fb6a880590f4260c-- From nobody Sun Aug 25 12:17:58 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D317912010C; Sun, 25 Aug 2019 12:17:55 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.997 X-Spam-Level: X-Spam-Status: No, score=-1.997 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id JwdRP0KFsH6Y; Sun, 25 Aug 2019 12:17:53 -0700 (PDT) Received: from mail-ed1-x535.google.com (mail-ed1-x535.google.com [IPv6:2a00:1450:4864:20::535]) (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 2754C120026; Sun, 25 Aug 2019 12:17:53 -0700 (PDT) Received: by mail-ed1-x535.google.com with SMTP id a21so23220589edt.11; Sun, 25 Aug 2019 12:17:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Mz/fZqbzmfE7EnawcgrXjSqv0hfJbp9PWS1bXvFjxPo=; b=n7Nu34s80DfUsBGzNFdg0ps7Ns0IbBCGVadjeG/cs/CPXAqDexLjAtO1I2af0FDsLd 5fEudLyC7rAoxZgjPi5KkkQuaBaOL9KTHvvyvzpB689BgLOzSrNc3lX5XTeGzn+vfcHo vjL9a4wecLX/0i1guo+CezYYIr7I+vpGVUHKby/a/ngPde8jNMVcsIZ2J1PqwxYKgG5m v5N4kjVfyXhg4+XyA67QpJTN4jSe+ZK65peTn5stBjcxRt457jYt4nC/7sXGwdkfPH7x ZuJE4XtPfuJsoJWoVj6AS0LWMf/FoFpH9hh9yDCg78hUCPKoWYkWZl+XCiHB1vUTZ/Z7 ttRw== 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=Mz/fZqbzmfE7EnawcgrXjSqv0hfJbp9PWS1bXvFjxPo=; b=La539IuIe5XP+Gp58R5zHEdf27kpLi2pccWvaW2djCxfRGn3n8uJRcmgUAJ5+LRmaj szteoqwjVjJ+kazfY0VGYwi4ZW71KxI5FSRxNCfCs+I3QOJ+yx+nBo8V9f4F6mnL5LTJ Z9VltIF6pThzOfbB9UZmC6rpOeSzLEqnEVNH7sivyMzfXA4QOk4NIT3YmHnq0Ns+JD8k 5K73MYnLe4SoMAqsbzDuSICwZQTx9Mvi5Jmr0kBwCQAXZiJ/Jz52CaugBFW8uWXNv5l4 4lLimEJr01QTO57B02SfFl1lU6Za183DOVffHd/zVCtFqm/8yTAwgTkUkf24pSN2IHuI xmwg== X-Gm-Message-State: APjAAAXXjdGttFr4SMXBA1zOD1riEN3gfu2WPqrxBUGpGSz1KJyM5tJo AF5de9BLZhvvjsS9GKK08HaAorgeBMvg1hLarHA= X-Google-Smtp-Source: APXvYqx6v3xJfe20+QsJHEDXGw7dDqQYOOJHPUXT0TqA5p7wqG5qwxqOMbAUrOkghYTu/EavH7nXr+BZ6tTZ4wXQWew= X-Received: by 2002:a17:906:135b:: with SMTP id x27mr13525037ejb.291.1566760671455; Sun, 25 Aug 2019 12:17:51 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Shawn Emery Date: Sun, 25 Aug 2019 13:17:39 -0600 Message-ID: To: Mahend Negi Cc: secdir , draft-ietf-pce-lsp-control-request.all@ietf.org, pce@ietf.org, Dhruv Dhody Content-Type: multipart/alternative; boundary="000000000000452e2e0590f5e562" Archived-At: Subject: Re: [Pce] Review of draft-ietf-pce-lsp-control-request-07 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 25 Aug 2019 19:17:56 -0000 --000000000000452e2e0590f5e562 Content-Type: text/plain; charset="UTF-8" The changes look good. Thank you for the follow-up. Shawn. -- On Sun, Aug 25, 2019 at 11:13 AM Mahend Negi wrote: > Hi Shawn/Dhruv, > > Thanks for the review and clarifications, we have fixed all the editorial > comments in new version. > > New Version: > https://tools.ietf.org/html/draft-ietf-pce-lsp-control-request-08 > > Version Diff: > https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-lsp-control-request-08 > > Regards, > Mahendra > > > On Tue, Aug 20, 2019 at 11:14 AM Dhruv Dhody wrote: > >> Hi Shawn, >> >> >> >> Thanks for your security review and comments. >> >> On Mon, Aug 19, 2019 at 6:17 AM Shawn Emery >> wrote: >> > >> > Reviewer: Shawn M. Emery >> > 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. >> > >> > This draft specifies an extension to the Path Computation Element >> communication >> > Protocol (PCE) that allows a PCE to request control of Label Switched >> Paths (LSPs). >> > >> > The security considerations section does exist and discusses a new DoS >> vector >> > that this draft creates. The attack involves sending control requests >> for delegate >> > control of all of its LSPs to the Path Computation Client (PCC). The >> proposed >> > solution is to set a threshold rate of the delegation requests for the >> PCC per PCE. >> > I agree with the proposed solution, though I don't know if guidance can >> be provided >> > on what these thresholds would be per environment. >> > >> >> As you noted the document does not provide default for the threshold >> as it dependent on the deployment/environment. The same is true for >> RFC 8231. >> >> > The section goes on to refer to RFC 8231 to justify that the PCP >> extension should >> > be deployed with authenticated and encrypted sessions in TLS using RFC >> 8253. >> > I agree with this prescription as well else an attacker would now be >> able to take >> > control over all local LSPs with this extension. I think that this >> should at least be >> > stated if an attacker is able to compromise a PCE. >> > >> >> The security consideration includes "...either by spoofing messages or >> by compromising the PCE itself". >> >> > General comments: >> > >> > None. >> > >> > Editorial comments: >> > >> > s/sends PCRpt/sends a PCRpt/ >> > s/also specify/also specifies/ >> > s/all its/all of its/ >> > s/If threshold/If the threshold/ >> > s/explicitly set aside/explicitly excluded/ >> > >> >> Thanks for these, request authors to handle them. >> >> Thanks! >> Dhruv >> >> > Shawn. >> > -- >> > --000000000000452e2e0590f5e562 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
The changes look good.=C2=A0 Thank you for the follow-up.<= div>
Shawn.
--

On Sun, Aug 25, 2019 at 11:13 A= M Mahend Negi <mahend.ietf@gmai= l.com> wrote:
Hi Shawn/Dhruv,

Thanks = for the review and clarifications, we have fixed all the editorial comments= in new version.

New Version:

Version Diff:
<= a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-pce-lsp-control-re= quest-08" rel=3D"noreferrer" target=3D"_blank">https://www.ietf.org/rfcdiff= ?url2=3Ddraft-ietf-pce-lsp-control-request-08

= Regards,
Mahendra


On Tue, Aug 20, 2019= at 11:14 AM Dhruv Dhody <dhruv.ietf@gmail.com> wrote:
Hi Shawn,

<adding WG>

Thanks for your security review and comments.

On Mon, Aug 19, 2019 at 6:17 AM Shawn Emery <shawn.emery@gmail.com> wrote:
>
> Reviewer: Shawn M. Emery
> 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 IES= G.
> These comments were written primarily for the benefit of the security<= br> > area directors. Document editors and WG chairs should treat these
> comments just like any other last call comments.
>
> This draft specifies an extension to the Path Computation Element comm= unication
> Protocol (PCE) that allows a PCE to request control of Label Switched = Paths (LSPs).
>
> The security considerations section does exist and discusses a new DoS= vector
> that this draft creates.=C2=A0 The attack involves sending control req= uests for delegate
> control of all of its LSPs to the Path Computation Client (PCC).=C2=A0= The proposed
> solution is to set a threshold rate of the delegation requests for the= PCC per PCE.
> I agree with the proposed solution, though I don't know if guidanc= e can be provided
> on what these thresholds would be per environment.
>

As you noted the document does not provide default for the threshold
as it dependent on the deployment/environment. The same is true for
RFC 8231.

> The section goes on to refer to RFC 8231 to justify that the PCP exten= sion should
> be deployed with authenticated and encrypted sessions in TLS using RFC= 8253.
> I agree with this prescription as well else an attacker would now be a= ble to take
> control over all local LSPs with this extension.=C2=A0 I think that th= is should at least be
> stated if an attacker is able to compromise a PCE.
>

The security consideration includes "...either by spoofing messages or=
by compromising the PCE itself".

> General comments:
>
> None.
>
> Editorial comments:
>
> s/sends PCRpt/sends a PCRpt/
> s/also specify/also specifies/
> s/all its/all of its/
> s/If threshold/If the threshold/
> s/explicitly set aside/explicitly excluded/
>

Thanks for these, request authors to handle them.

Thanks!
Dhruv

> Shawn.
> --
--000000000000452e2e0590f5e562-- From nobody Sun Aug 25 20:12:35 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 6B1FE12006E; Sun, 25 Aug 2019 20:12:20 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: pce@ietf.org Message-ID: <156678914036.31138.9313448305564698895@ietfa.amsl.com> Date: Sun, 25 Aug 2019 20:12:20 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-pcep-extension-native-ip-04.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Aug 2019 03:12:21 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : PCEP Extension for Native IP Network Authors : Aijun Wang Boris Khasanov Sudhir Cheruathur Chun Zhu Sheng Fang Filename : draft-ietf-pce-pcep-extension-native-ip-04.txt Pages : 10 Date : 2019-08-25 Abstract: This document defines the Path Computation Element Communication Protocol (PCEP) extension for Central Control Dynamic Routing (CCDR) based application in Native IP network. The scenario and framework of CCDR in native IP is described in [I-D.ietf-teas-native-ip-scenarios] and [I-D.ietf-teas-pce-native-ip]. This draft describes the key information that is transferred between Path Computation Element (PCE) and Path Computation Clients (PCC) to accomplish the End to End (E2E) traffic assurance in Native IP network under central control mode. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-extension-native-ip/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-pcep-extension-native-ip-04 https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-extension-native-ip-04 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-extension-native-ip-04 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Aug 26 03:39:46 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D815712001E; Mon, 26 Aug 2019 03:39:36 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.398 X-Spam-Level: X-Spam-Status: No, score=-1.398 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] 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 wQhIiVSE2WLp; Mon, 26 Aug 2019 03:39:34 -0700 (PDT) Received: from mail-ot1-f47.google.com (mail-ot1-f47.google.com [209.85.210.47]) (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 4D9EA120089; Mon, 26 Aug 2019 03:39:34 -0700 (PDT) Received: by mail-ot1-f47.google.com with SMTP id c7so14732928otp.1; Mon, 26 Aug 2019 03:39:34 -0700 (PDT) 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=1hKk+YzWvooDpl/NzT17ehPbTC1QrAUdn46rQhFeBf4=; b=Dp1RzUkDIN3E83FICKM88Z82m/IDtX+Rq3N5eoAm8DoFQSQJlx9MyBvZnSyk1okPyg mJYPxpYhBcTfIJ9fbDUPHF3hcOsCONzhqHc1UfdMUWN0wnc2K3h9WdGjtWf9cEwMp+eC l6ZKXiaDers6Q3SajLx1segzpZPLEV563nsgU8Gqc72IBvlDRJiaP7NRFXTmbiSQSOhY hto/czPKjC0cCrHst1VRgR4vMRgeiaBjGDe4iHWPWdRNDqB2DFsG/Ud9GShczx1PTAzJ XpbALjeXqleSDwo0p7EguS0wrFY5vCSQBP6NyJuV83NPavxDIg+LZ/8LL/Ah/1j/G4mK aDhg== X-Gm-Message-State: APjAAAUuA079JUPIMN7azJpLm8CpSSfUlhn36zxM6pjI8GkejxOcFO+t hyH+3hUcvmHLsuiB+UWXJqLvRrm+ip/7O2Crw9XrFM4r X-Google-Smtp-Source: APXvYqzieGBaYiE1VnkKVc7gsayvduRM7XXV/GEudxcmZxwvDMMDNl+RqYqxS5nxsFyICPMj+Y5DKVMRDwYcPWXx9VM= X-Received: by 2002:a9d:4717:: with SMTP id a23mr14027575otf.212.1566815973390; Mon, 26 Aug 2019 03:39:33 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Emmanuel Baccelli Date: Mon, 26 Aug 2019 12:39:21 +0200 Message-ID: To: draft-ietf-pce-association-diversity.all@ietf.org Cc: "" , rtg-dir@ietf.org, pce@ietf.org Content-Type: multipart/alternative; boundary="00000000000085bca1059102c567" Archived-At: Subject: Re: [Pce] RtgDir review: draft-ietf-pce-association-diversity-08.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Aug 2019 10:39:37 -0000 --00000000000085bca1059102c567 Content-Type: text/plain; charset="UTF-8" Dear Mahend thanks for you answers. Your changes look fine to me. Two last nits: - in the sentence you added in section 5.6 when the T flag is set, "In case of other PCEP message, the PCE MUST return a PCErr message with Error-Type 26". => PCEP message other than what? This is not crystal clear. I suggest you clarify explicitly. - in the sentence you added in section 5.6 when the T flag is unset, "the PCE is allowed to relax disjointness by either applying a requested objective function (Section 5.4) if specified. Otherwise the PCE is allowed to reduce the required level of disjointness (as it deems fit)" => as-is, there seems to be a typo: a spurious "either". How about: "the PCE is allowed to relax disjointness by applying a requested objective function (Section 5.4) if specified. Otherwise, if no objective function is specified, the PCE is allowed to reduce the required level of disjointness as it deems fit" Cheers Emmanuel On Tue, Aug 13, 2019 at 4:58 PM Mahend Negi wrote: > Hi Emmanuel, > > Thanks for your comments. Please see inline, do find attached reworked > draft and version-diff for reference. > > On Tue, Aug 13, 2019 at 3:21 AM Emmanuel Baccelli < > Emmanuel.Baccelli@inria.fr> wrote: > >> Hello, >> >> I have been selected as the Routing Directorate reviewer for this draft. >> The Routing Directorate seeks to review all routing or routing-related >> drafts as they pass through IETF last call and IESG review, and sometimes >> on special request. The purpose of the review is to provide assistance to >> the Routing ADs. For more information about the Routing Directorate, please >> see http://trac.tools.ietf.org/area/rtg/trac/wiki/RtgDir >> >> Although these comments are primarily for the use of the Routing ADs, it >> would be helpful if you could consider them along with any other IETF Last >> Call comments that you receive, and strive to resolve them through >> discussion or by updating the draft. >> >> Document: draft-ietf-pce-association-diversity-08.txt >> Reviewer: Emmanuel Baccelli >> Review Date: 12/08/2019 >> Intended Status: Standards Track >> >> Summary of comments: >> >> The procotol extension is simple, and its operation is documented >> pretty well. >> The document is concise, and clear from my point of view. >> See below a couple of remarks that could be considered prior to >> publication. >> >> Major Issues: >> >> No major issues found. >> >> Minor Issues: >> >> In Section 5 (Security): If I understand correctly, dynamically >> adding a new LSP to an existing disjoint association affects the >> (re)computation and the (re)characterization of all LSPs in this >> association. In this case, is it entirely obvious to me that there is no >> specific threat using the attack vector of adding an LSP to an existing >> association, when flag T is set? >> > > When T flag is set, we would have a case of no-path for the new LSP. It > would be good to also indicate that the new LSP could not be added into the > association group. I have added text for this. > > What is the state of other LSPs in an existing association after another >> LSP was added, which resulted in the required disjointness now fails? >> > > The other LSPs would not be impacted. So as such there is no specific > security threat with T flag. But, it would be good to add some generic > text. Updated section - > > 6. Security Considerations > > > This document defines one new type for association, which on itself does > not add any new security concerns beyond those discussed in > > [RFC5440], [RFC8231] and [I-D.ietf-pce-association-group]. But, adding of > a spurious LSP into the disjointness association group > > could lead to re-computation and set-up of all LSPs in the group, that > could be used to overwhelm the PCE and the network. > > > Also, as stated in [I-D.ietf-pce-association-group], much of the > information carried in the Disjointness Association object, as per > > this document is not extra sensitive. It often reflects information that > can also be derived from the LSP Database, but association > > provides a much easier grouping of related LSPs and messages. The > disjointness association could provide an adversary with the > > opportunity to eavesdrop on the relationship between the LSPs. Thus > securing the PCEP session using Transport Layer Security (TLS) > > [RFC8253], as per the recommendations and best current practices in > [RFC7525], is RECOMMENDED. > >> > > >> Nits: >> >> In Section 3 (Motivation): In my opinion, this section might benefit >> from being split in two: a pure motivation section, and an applicability >> section. >> > > OK > >> >> In Section 4.1: it is stated that "a PCE may be limited in the number >> of LSPs it can take into account when computing disjointness" [...] "the >> PCE may provide no path, a shortest path, or a constrained path based on >> relaxing disjointness, etc. The disjoint status is informed to the PCC." >> Here, it would be useful to forward reference to section 4.6. >> > > OK > >> >> In section 4.6: the spec seems to suppose that there exists an >> absolute order ranking different levels of disjointness, >> such that a PCE can simply take the decision to "reduce disjointness" to >> the next best level. >> I suspect that this is not always easy to rank in complex cases, if at >> all possible. >> > > Added (as it deems fit). > > >> Are some more flags foreseen (tbd in section 6.2 ?) for more fine-grained >> characterization of "relaxed disjointness" in complex cases e.g. when >> adding an LSP to an already-large disjoint association ? >> I assume the answer is "not really". >> > Your assumption is right. > > >> >> Assuming the above, without becoming too ugly, specification could be >> more explicit about ranking levels of disjointness which relaxing decisions >> should be made, when flag T is unset. >> > I think, adding "as it deems fit" is better and let implementations decide > with protocol signalling the result. > > >> Else, the spec could add a clarifying sentence on the difficulty of >> ordering absolutely many different levels of disjointness for many LSPs, in >> the same association. >> > Do you still feel this to be necessary? I am not too sure. > > > Thanks! > > > _______________________________________________ >> Pce mailing list >> Pce@ietf.org >> https://www.ietf.org/mailman/listinfo/pce >> > --00000000000085bca1059102c567 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Dear Mahend

thanks for you a= nswers. Your changes look fine to me.

Two last nit= s:

- in the sentence you added in section 5.6 whe= n the T flag is set, "In case of other PCEP message, the PCE MUST retu= rn a PCErr message with Error-Type 26".
=3D> PCEP message= other than what? This is not crystal clear. I suggest you clarify explicit= ly.

- in the sentence you added in section 5.6= when the T flag is unset, "the PCE is allowed to relax disjointness b= y either applying a requested objective function (Section 5.4) if specified= .=C2=A0 Otherwise the PCE is allowed to reduce the required level =C2=A0 of= disjointness (as it deems fit)"
=3D> as-is, there se= ems to be a typo: a spurious "either". How about:

<= /div>
"the PCE is allowed to relax disjointness by applying a requ= ested objective function (Section 5.4) if specified. Otherwise, if no objec= tive function is specified, the PCE is allowed to reduce the required level= of disjointness as it deems fit"

Cheers

Emmanuel

On Tue, Aug 13, 2019 at 4:58 PM Mahe= nd Negi <mahend.ietf@gmail.com<= /a>> wrote:
<= div dir=3D"ltr">
=09 =09 =09

Hi Emmanuel,

Thanks for your comments. Please see inline, do find attached reworked draft and version-di= ff for reference.=C2=A0


= On Tue, Aug 13, 2019 at 3:21 AM Emmanuel Baccelli <Emmanuel.Baccelli@inria.fr&g= t; wrote:
H= ello,

I have been selected as the Routing Directorate reviewer for t= his draft. The Routing Directorate seeks to review all routing or routing-r= elated drafts as they pass through IETF last call and IESG review, and some= times on special request. The purpose of the review is to provide assistanc= e to the Routing ADs. For more information about the Routing Directorate, p= lease see http://trac.tools.ietf.org/area/rtg/trac/wiki/RtgDir<= br>
Although these comments are primarily for the use of the Routing ADs= , it would be helpful if you could consider them along with any other IETF = Last Call comments that you receive, and strive to resolve them through dis= cussion or by updating the draft.

Document: draft-ietf-pce-associati= on-diversity-08.txt
Reviewer: Emmanuel Baccelli
Review Date: 12/08/20= 19
Intended Status: Standards Track

Summary of comments:

= =C2=A0 =C2=A0 The procotol extension is simple, and its operation is docume= nted pretty well.
=C2=A0 =C2=A0 The document is concise, and clear from = my point of view.
=C2=A0 =C2=A0 See below a couple of remarks that coul= d be considered prior to publication.

Major Issues:

=C2=A0 = =C2=A0 No major issues found.

Minor Issues:

=C2=A0 =C2=A0 In = Section 5 (Security): If I understand correctly, dynamically adding a new L= SP to an existing disjoint association affects the (re)computation and the = (re)characterization of all LSPs in this association. In this case, is it e= ntirely obvious to me that there is no specific threat using the attack vec= tor of adding an LSP to an existing association, when flag T is set?
<= /blockquote>
=C2=A0
When T flag is set, we would have a case of no-path for the new LSP. It would be good to also indicate that the new LSP could not be added into the association group. I have added text for this.

What is the state of other L= SPs in an existing association after another LSP was added, which resulted = in the required disjointness now fails?
=C2=A0
The other LSPs would not be impacted. So as such there is no specific security threat with T flag. But, it would be good to add some generic text. Updated section -
=09 =09 =09

6. Security Considerations


This document defines one new type for association, which on itself does not add any new security concerns beyond those discussed in

[RFC5440], [RFC8231] and [I-D.ietf-pce-association-group]. But, adding of a spurious LSP into the disjointness association group

could lead to re-computation and set-up of all LSPs in the group, that could be used to overwhelm the PCE and the network.


Also, as stated in [I-D.ietf-pce-association-group], much of the information carried in the Disjointness Association object, as per

this document is not extra sensitive. It often reflects information that can also be derived from the LSP Database, but association

provides a much easier grouping of related LSPs and messages. The disjointness association could provide an adversary with the

opportunity to eavesdrop on the relationship between the LSPs. Thus securing the PCEP session using Transport Layer Security (TLS)

[RFC8253], as per the recommendations and best current practices in [RFC7525], is RECOMMENDED.

=09 =09 =09


=C2=A0
Nits:

=C2=A0 =C2=A0 In Section 3 (Motivation): In my opinion, this= section might benefit from being split in two: a pure motivation section, = and an applicability section.
=C2=A0
O= K
=C2=A0 =C2=A0
=C2=A0 =C2=A0 In Section 4.1: it is stated that "= ;a PCE may be limited in the number of LSPs it can take into account when c= omputing disjointness" [...] "the PCE may provide no path, a shor= test path, or a constrained path based on relaxing disjointness, etc.=C2=A0= The disjoint status is informed to the PCC."
Here, it would be us= eful to forward reference to section 4.6.
=C2=A0=
OK
<= div dir=3D"ltr">
=C2=A0 =C2=A0 In section 4.6: the spec seems to suppose= that there exists an absolute order ranking different levels of disjointne= ss,
such that a PCE can simply take the decision to "reduce disjoin= tness" to the next best level.
I suspect that this is not alwa= ys easy to rank in complex cases, if at all possible.

=09 =09 =09

Added (as it deems fit).

=C2=A0
Ar= e some more flags foreseen (tbd in section 6.2 ?) for more fine-grained cha= racterization of "relaxed disjointness" in complex cases e.g. whe= n adding an LSP to an already-large disjoint association ?
I assume= the answer is "not really".
=09 =09 =09

Your assumption is right.

=C2=A0

Assuming the above, without becoming too ugly, specificati= on could be more explicit about ranking levels of disjointness which relaxi= ng decisions should be made, when flag T is unset.
=09 =09 =09

I think, adding "as it deems fit" is better and let implementations decide with protocol signalling the result.

=C2=A0
Else, the spec could add a clarifying sentence on the difficulty of order= ing absolutely many different levels of disjointness for many LSPs, in the = same association.
=09 =09

Do you still feel this to be necessary? I am not too sure.


Thanks!


_______________________________________________
Pce mailing list
Pce@ietf.org
https://www.ietf.org/mailman/listinfo/pce
--00000000000085bca1059102c567-- From nobody Mon Aug 26 05:14:28 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id A93C012013D; Mon, 26 Aug 2019 05:14:12 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Francesca Palombini via Datatracker To: Cc: draft-ietf-pce-lsp-control-request.all@ietf.org, pce@ietf.org, ietf@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: Francesca Palombini Message-ID: <156682165261.25516.1887489813169802107@ietfa.amsl.com> Date: Mon, 26 Aug 2019 05:14:12 -0700 Archived-At: Subject: [Pce] Genart last call review of draft-ietf-pce-lsp-control-request-08 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Aug 2019 12:14:13 -0000 Reviewer: Francesca Palombini Review result: Ready with Issues I am the assigned Gen-ART reviewer for this draft. The General Area Review Team (Gen-ART) reviews all IETF documents being processed by the IESG for the IETF Chair. Please treat these comments just like any other last call comments. For more information, please see the FAQ at . Document: draft-ietf-pce-lsp-control-request-08 Reviewer: Francesca Palombini Review Date: 2019-08-26 IETF LC End Date: 2019-08-28 IESG Telechat date: Not scheduled for a telechat Summary: This draft is almost ready for publication, but has minor issues/open points that should be fixed before publication. Major issues: N/A Minor issues / questions: * Section 3: At the end of season 3, you indicate that this new flag has no meaning in PCRpt and PCInitiate messages. RFC8231 defines that the SRP Object MAY be carried in PCErr as well, shouldn't there be such requirements (MUST be set to 0, MUST be ignored on reception) for PCErr? * In the following text (Section 4): "The PCE SHOULD NOT send control request for LSP which is already delegated to the PCE, i.e. if the D Flag is set in the PCUpd message, then C Flag SHOULD NOT be set." Why is there a SHOULD NOT instead of MUST NOT? In which situation could it be acceptable or useful to request control for a delegated LSP? Nits/editorial comments: * Terminology should also include a sentence about the reader being familiar with at least RFC8231. * Terminology could also include what SRP stand for. * Section 3. When introducing SRP, it would have been helpful to the reader to reference section 7.2 of RFC8231. * Section 3. "PCE sets the C Flag to 1 to indicate that, it wishes" -- remove "," * Section 3. "MUST be ignored on receipt" -- "MUST be ignored on reception" * Section 4. When introducing the D flag, it would have been helpful to the reader to reference section 7.3 of RFC8231. * Section 4. "Note that, the PCUpd message with C Flag set is received" -- "Note that, if the PCUpd message with C Flag set is received" (Please keep my address in the To: field if you want to make sure I see any response to this thread) Thanks, Francesca From nobody Mon Aug 26 12:36:29 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 96B1D120CEE; Mon, 26 Aug 2019 12:36:14 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Joe Clarke via Datatracker To: Cc: pce@ietf.org, ietf@ietf.org, draft-ietf-pce-stateful-pce-auto-bandwidth.all@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: Joe Clarke Message-ID: <156684817455.30577.2295871305402533561@ietfa.amsl.com> Date: Mon, 26 Aug 2019 12:36:14 -0700 Archived-At: Subject: [Pce] Opsdir last call review of draft-ietf-pce-stateful-pce-auto-bandwidth-10 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Aug 2019 19:36:15 -0000 Reviewer: Joe Clarke Review result: Ready I have been requested to review this draft on behalf of the OPS Directorate. This draft describes PCEP extensions for MPLS-TE LSP automatic bandwidth adjustment with stateful PCE. In general, I think the draft is well-written, and I appreciate the addition of the operational considerations section. It is in that section I have a couple of comments. In section 6.2 you say: A Management Information Base (MIB) module for modeling PCEP is described in [RFC7420]. However, one may prefer the mechanism for configuration using YANG data model [I-D.ietf-pce-pcep-yang]. However, when you look at that MIB module, there is only one read-write object. On top of that, the IESG has mandated that new MIB modules should not have read-write objects. I think your language pointing one to the YANG module should be stronger. Perhaps: A MIB module for gathering operational information about PCEP is defined in [RFC7420]. Additionally, the YANG module defined in [I-D.ietf-pce-pcep-yang] provides for both configuration of PCEP as well as operational management. === In section 6.6, do you have any more concrete recommendations on a reasonable limit of LSPs with auto-bandwidth that you have discovered from testing or operational experience? Providing some data here may prove useful, even if it is somewhat anecdotal. From nobody Tue Aug 27 01:44:22 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4358B120110; Tue, 27 Aug 2019 01:44:20 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.2 X-Spam-Level: X-Spam-Status: No, score=-4.2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_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 0SPy0Mpn-CqS; Tue, 27 Aug 2019 01:44:18 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 188AB120120; Tue, 27 Aug 2019 01:44:18 -0700 (PDT) Received: from lhreml701-cah.china.huawei.com (unknown [172.18.7.108]) by Forcepoint Email with ESMTP id 86C268637CF267CC021D; Tue, 27 Aug 2019 09:44:15 +0100 (IST) Received: from NKGEML412-HUB.china.huawei.com (10.98.56.73) by lhreml701-cah.china.huawei.com (10.201.108.42) with Microsoft SMTP Server (TLS) id 14.3.408.0; Tue, 27 Aug 2019 09:44:15 +0100 Received: from NKGEML515-MBX.china.huawei.com ([fe80::a54a:89d2:c471:ff]) by nkgeml412-hub.china.huawei.com ([10.98.56.73]) with mapi id 14.03.0439.000; Tue, 27 Aug 2019 16:44:10 +0800 From: "Dongjie (Jimmy)" To: Dhruv Dhody , "pce@ietf.org" CC: pce-chairs Thread-Topic: [Pce] WG adoption poll for draft-sivabalan-pce-binding-label-sid-07 Thread-Index: AQHVV38kxbCiZSavU0qCw2xetvdohKcOteyw Date: Tue, 27 Aug 2019 08:44:10 +0000 Message-ID: <76CD132C3ADEF848BD84D028D243C927CD09E9FA@NKGEML515-MBX.china.huawei.com> References: In-Reply-To: Accept-Language: en-US, zh-CN Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.130.151.75] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [Pce] WG adoption poll for draft-sivabalan-pce-binding-label-sid-07 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Aug 2019 08:44:21 -0000 Yes, support the adoption. It provides an useful mechanism for the allocati= on and negotiation of binding SID. Best regards, Jie > -----Original Message----- > From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Dhruv Dhody > Sent: Wednesday, August 21, 2019 1:45 AM > To: pce@ietf.org > Cc: pce-chairs > Subject: [Pce] WG adoption poll for draft-sivabalan-pce-binding-label-sid= -07 >=20 > Hi WG, >=20 > This email begins the WG adoption poll for > draft-sivabalan-pce-binding-label-sid-07 [1]. >=20 > Should this draft be adopted by the PCE WG? Please state your reasons - W= hy / > Why not? What needs to be fixed before or after adoption? Are you willing= to > work on this draft? Review comments should be posted to the list. >=20 > One of the chairs did a pre-adoption review [2] and authors posted a new > revision. Note that there are known implementations. >=20 > This adoption poll will end on 6th September 2019. >=20 > Thanks! > Dhruv (for the chairs) >=20 >=20 > [1] https://tools.ietf.org/html/draft-sivabalan-pce-binding-label-sid-07 > [2] https://mailarchive.ietf.org/arch/msg/pce/oaBIRA9FnNsV6-JrKKRCdwtLysk >=20 > _______________________________________________ > Pce mailing list > Pce@ietf.org > https://www.ietf.org/mailman/listinfo/pce From nobody Tue Aug 27 03:57:14 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BB18712020A; Tue, 27 Aug 2019 03:57:13 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kXH1Kydj6tRj; Tue, 27 Aug 2019 03:57:11 -0700 (PDT) Received: from mail-io1-xd29.google.com (mail-io1-xd29.google.com [IPv6:2607:f8b0:4864:20::d29]) (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 B014112004A; Tue, 27 Aug 2019 03:57:11 -0700 (PDT) Received: by mail-io1-xd29.google.com with SMTP id j5so45210998ioj.8; Tue, 27 Aug 2019 03:57:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=pZUqIrFpCIPaMjxO9joSjXxfF1Er9Rzj0cL8aj63fNg=; b=I0RrNylNEM0sHyo8R7bYolIdKGvudBgFc6FPrX0SWLXZCOHDeAzX+PR5kxkw+GBO8H xGEyu7M0z/iDT8UQVts5zlVGJ0rSp/KU60E+ty56+B+7bcfZe0dBsIXmyS7kHQFhdnr2 0ZI8sKTO0z5gD88WQ7y5jZ10FfE+BD+qGp2HCPE8euW7BPgotYRcQuvLydq/c2o3frcd WhC/mIr3g2hIBM726ma+PLt+Bu5TR7xUTVARBnZEDzMAGZUWWMOV80rRKnrwg2eMQbwc 5qPufG6ecKgc0vzSVaOndkx6sBWN79nyrik+eXK/l2XBHfPQ6Ly4axer52Rpf1taN0U6 Le7Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=pZUqIrFpCIPaMjxO9joSjXxfF1Er9Rzj0cL8aj63fNg=; b=AzPMPF8xJB0zukcDW/1eNE409f+bqNC+OZTE2NPLyBVv0ueWX2+39PCykAdjCuVLpm jv8TF1x53B4UINlbsnTJQezIR8Fb2Dgkfaw9bm7VqnUTyI/JA2q+xqu8dnk5j3qSqwgb o9lcAVUgC6af46L/bCalpqqfQKO8kPuSgCih2iWHHbQ/zQaa5BqNiQVz7OUhzbthFLiB DsHn4c1sfi9BXMBhxzv1i+mTOVQTs+sX8kvOFVE0SdgDO7ehzE00482lf0DKyXMG/cs2 jgny0tkwaxAB8sa6EKSbDB3g8Mrp+EvhPMz/q6lwtRS/8/iqL1GUojWC/qIpFNRXEWF4 D98g== X-Gm-Message-State: APjAAAXdH55D7S2++chbio5ITX/noYPlxDLnGgur+DAwWHhfc3WhlDAb GnmdTvFRaEsyjTTWKaXHo+F0tJR3b7ZEhFBzcws= X-Google-Smtp-Source: APXvYqyyIiH/So2CzRBHJ8OjxyKPfJ8i6bk7YkIuEfSXqTOJ3OPReaXkieNyLtYCLaE1t7/Gj9yxvRN1MYmvw0+qbRA= X-Received: by 2002:a6b:c38f:: with SMTP id t137mr7931958iof.137.1566903430848; Tue, 27 Aug 2019 03:57:10 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Dhruv Dhody Date: Tue, 27 Aug 2019 16:26:34 +0530 Message-ID: To: Emmanuel Baccelli Cc: draft-ietf-pce-association-diversity.all@ietf.org, "" , rtg-dir@ietf.org, pce@ietf.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Archived-At: Subject: Re: [Pce] RtgDir review: draft-ietf-pce-association-diversity-08.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Aug 2019 10:57:14 -0000 Hi Emmanuel, Thanks for you review, the last two nits seems reasonable to me. Regards, Dhruv On Mon, Aug 26, 2019 at 4:09 PM Emmanuel Baccelli wrote: > > Dear Mahend > > thanks for you answers. Your changes look fine to me. > > Two last nits: > > - in the sentence you added in section 5.6 when the T flag is set, "In ca= se of other PCEP message, the PCE MUST return a PCErr message with Error-Ty= pe 26". > =3D> PCEP message other than what? This is not crystal clear. I suggest y= ou clarify explicitly. > > - in the sentence you added in section 5.6 when the T flag is unset, "the= PCE is allowed to relax disjointness by either applying a requested object= ive function (Section 5.4) if specified. Otherwise the PCE is allowed to r= educe the required level of disjointness (as it deems fit)" > =3D> as-is, there seems to be a typo: a spurious "either". How about: > > "the PCE is allowed to relax disjointness by applying a requested objecti= ve function (Section 5.4) if specified. Otherwise, if no objective function= is specified, the PCE is allowed to reduce the required level of disjointn= ess as it deems fit" > > Cheers > > Emmanuel > > On Tue, Aug 13, 2019 at 4:58 PM Mahend Negi wrote= : >> >> Hi Emmanuel, >> >> Thanks for your comments. Please see inline, do find attached reworked d= raft and version-diff for reference. >> >> >> On Tue, Aug 13, 2019 at 3:21 AM Emmanuel Baccelli wrote: >>> >>> Hello, >>> >>> I have been selected as the Routing Directorate reviewer for this draft= . The Routing Directorate seeks to review all routing or routing-related dr= afts as they pass through IETF last call and IESG review, and sometimes on = special request. The purpose of the review is to provide assistance to the = Routing ADs. For more information about the Routing Directorate, please see= http://trac.tools.ietf.org/area/rtg/trac/wiki/RtgDir >>> >>> Although these comments are primarily for the use of the Routing ADs, i= t would be helpful if you could consider them along with any other IETF Las= t Call comments that you receive, and strive to resolve them through discus= sion or by updating the draft. >>> >>> Document: draft-ietf-pce-association-diversity-08.txt >>> Reviewer: Emmanuel Baccelli >>> Review Date: 12/08/2019 >>> Intended Status: Standards Track >>> >>> Summary of comments: >>> >>> The procotol extension is simple, and its operation is documented p= retty well. >>> The document is concise, and clear from my point of view. >>> See below a couple of remarks that could be considered prior to pub= lication. >>> >>> Major Issues: >>> >>> No major issues found. >>> >>> Minor Issues: >>> >>> In Section 5 (Security): If I understand correctly, dynamically add= ing a new LSP to an existing disjoint association affects the (re)computati= on and the (re)characterization of all LSPs in this association. In this ca= se, is it entirely obvious to me that there is no specific threat using the= attack vector of adding an LSP to an existing association, when flag T is = set? >> >> >> When T flag is set, we would have a case of no-path for the new LSP. It = would be good to also indicate that the new LSP could not be added into the= association group. I have added text for this. >> >>> What is the state of other LSPs in an existing association after anothe= r LSP was added, which resulted in the required disjointness now fails? >> >> >> The other LSPs would not be impacted. So as such there is no specific se= curity threat with T flag. But, it would be good to add some generic text. = Updated section - >> >> 6. Security Considerations >> >> >> This document defines one new type for association, which on itself does= not add any new security concerns beyond those discussed in >> >> [RFC5440], [RFC8231] and [I-D.ietf-pce-association-group]. But, adding o= f a spurious LSP into the disjointness association group >> >> could lead to re-computation and set-up of all LSPs in the group, that c= ould be used to overwhelm the PCE and the network. >> >> >> Also, as stated in [I-D.ietf-pce-association-group], much of the informa= tion carried in the Disjointness Association object, as per >> >> this document is not extra sensitive. It often reflects information that= can also be derived from the LSP Database, but association >> >> provides a much easier grouping of related LSPs and messages. The disjoi= ntness association could provide an adversary with the >> >> opportunity to eavesdrop on the relationship between the LSPs. Thus secu= ring the PCEP session using Transport Layer Security (TLS) >> >> [RFC8253], as per the recommendations and best current practices in [RFC= 7525], is RECOMMENDED. >> >> >> >>> >>> Nits: >>> >>> In Section 3 (Motivation): In my opinion, this section might benefi= t from being split in two: a pure motivation section, and an applicability = section. >> >> >> OK >>> >>> >>> In Section 4.1: it is stated that "a PCE may be limited in the numb= er of LSPs it can take into account when computing disjointness" [...] "the= PCE may provide no path, a shortest path, or a constrained path based on r= elaxing disjointness, etc. The disjoint status is informed to the PCC." >>> Here, it would be useful to forward reference to section 4.6. >> >> >> OK >>> >>> >>> In section 4.6: the spec seems to suppose that there exists an abso= lute order ranking different levels of disjointness, >>> such that a PCE can simply take the decision to "reduce disjointness" t= o the next best level. >>> I suspect that this is not always easy to rank in complex cases, if at = all possible. >> >> >> Added (as it deems fit). >> >> >>> >>> Are some more flags foreseen (tbd in section 6.2 ?) for more fine-grain= ed characterization of "relaxed disjointness" in complex cases e.g. when ad= ding an LSP to an already-large disjoint association ? >>> I assume the answer is "not really". >> >> Your assumption is right. >> >> >>> >>> >>> Assuming the above, without becoming too ugly, specification could be m= ore explicit about ranking levels of disjointness which relaxing decisions = should be made, when flag T is unset. >> >> I think, adding "as it deems fit" is better and let implementations deci= de with protocol signalling the result. >> >> >>> >>> Else, the spec could add a clarifying sentence on the difficulty of ord= ering absolutely many different levels of disjointness for many LSPs, in th= e same association. >> >> Do you still feel this to be necessary? I am not too sure. >> >> >> Thanks! >> >> >>> _______________________________________________ >>> Pce mailing list >>> Pce@ietf.org >>> https://www.ietf.org/mailman/listinfo/pce From nobody Tue Aug 27 13:28:42 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A01AF1200FF; Tue, 27 Aug 2019 13:28:39 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.599 X-Spam-Level: X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OuGQAHPCnQau; Tue, 27 Aug 2019 13:28:38 -0700 (PDT) Received: from mx0a-00191d01.pphosted.com (mx0b-00191d01.pphosted.com [67.231.157.136]) (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 DB9B61200DE; Tue, 27 Aug 2019 13:28:37 -0700 (PDT) Received: from pps.filterd (m0049459.ppops.net [127.0.0.1]) by m0049459.ppops.net-00191d01. (8.16.0.27/8.16.0.27) with SMTP id x7RKI6FV025325; Tue, 27 Aug 2019 16:28:36 -0400 Received: from alpi155.enaf.aldc.att.com (sbcsmtp7.sbc.com [144.160.229.24]) by m0049459.ppops.net-00191d01. with ESMTP id 2unb23h1yp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 27 Aug 2019 16:28:36 -0400 Received: from enaf.aldc.att.com (localhost [127.0.0.1]) by alpi155.enaf.aldc.att.com (8.14.5/8.14.5) with ESMTP id x7RKSZrn005632; Tue, 27 Aug 2019 16:28:36 -0400 Received: from zlp27125.vci.att.com (zlp27125.vci.att.com [135.66.87.52]) by alpi155.enaf.aldc.att.com (8.14.5/8.14.5) with ESMTP id x7RKSSMW005511 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 27 Aug 2019 16:28:29 -0400 Received: from zlp27125.vci.att.com (zlp27125.vci.att.com [127.0.0.1]) by zlp27125.vci.att.com (Service) with ESMTP id DFC5616A3EC; Tue, 27 Aug 2019 20:28:28 +0000 (GMT) Received: from MISOUT7MSGHUBAE.ITServices.sbc.com (unknown [130.9.129.149]) by zlp27125.vci.att.com (Service) with ESMTPS id CB02F16A3EB; Tue, 27 Aug 2019 20:28:28 +0000 (GMT) Received: from MISOUT7MSGUSRDC.ITServices.sbc.com ([169.254.3.120]) by MISOUT7MSGHUBAE.ITServices.sbc.com ([130.9.129.149]) with mapi id 14.03.0468.000; Tue, 27 Aug 2019 16:28:28 -0400 From: "RAGHURAM, ASWATNARAYAN" To: Dhruv Dhody , "pce@ietf.org" CC: pce-chairs Thread-Topic: [Pce] WG adoption poll for draft-sivabalan-pce-binding-label-sid-07 Thread-Index: AQHVV38kxbCiZSavU0qCw2xetvdohKcOteywgADGidA= Date: Tue, 27 Aug 2019 20:28:27 +0000 Message-ID: References: <76CD132C3ADEF848BD84D028D243C927CD09E9FA@NKGEML515-MBX.china.huawei.com> In-Reply-To: <76CD132C3ADEF848BD84D028D243C927CD09E9FA@NKGEML515-MBX.china.huawei.com> Accept-Language: en-IN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [135.16.198.242] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-08-27_04:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_policy_notspam policy=outbound_policy score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1908270191 Archived-At: Subject: Re: [Pce] WG adoption poll for draft-sivabalan-pce-binding-label-sid-07 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Aug 2019 20:28:40 -0000 Support this draft as it is very useful for service provider in bridging b= etween SR and RSVP-TE. A.Raghuram Lead Member of Technical Staff Network Infrastructure and Services AT&T Services, Inc. 200 S. Laurel Av, Room C5-2Z01, Middletown, NJ 07748 O 732.420.2471 | ar2521@att.com This communication may contain information that is privileged, or confident= ial. If you are not the intended recipient, please note =A0FYI that any dis= semination, distribution or copying of this communication is strictly prohi= bited.=A0 Anyone who receives this message in error should notify the sende= r immediately by telephone or by return e-mail and delete it from his or he= r computer.=A0 > -----Original Message----- > From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Dhruv Dhody > Sent: Wednesday, August 21, 2019 1:45 AM > To: pce@ietf.org > Cc: pce-chairs > Subject: [Pce] WG adoption poll for=20 > draft-sivabalan-pce-binding-label-sid-07 >=20 > Hi WG, >=20 > This email begins the WG adoption poll for > draft-sivabalan-pce-binding-label-sid-07 [1]. >=20 > Should this draft be adopted by the PCE WG? Please state your reasons=20 > - Why / Why not? What needs to be fixed before or after adoption? Are=20 > you willing to work on this draft? Review comments should be posted to th= e list. >=20 > One of the chairs did a pre-adoption review [2] and authors posted a=20 > new revision. Note that there are known implementations. >=20 > This adoption poll will end on 6th September 2019. >=20 > Thanks! > Dhruv (for the chairs) >=20 >=20 > [1]=20 > https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__tools.ietf.org_ht > ml_draft-2Dsivabalan-2Dpce-2Dbinding-2Dlabel-2Dsid-2D07&d=3DDwICAg&c=3DLF= Y > Z-o9_HUMeMTSQicvjIg&r=3DQNToJ4byfiy_4vy6H7dTgAPqN3XciMGI3LRm7GcpRS0&m=3DK= q > Mn1wqwY7Eaxx1ZB__8kR_NIFB-YPF_J6_fVBX8sKM&s=3DlInvKFODz7p3_viVv1E4OrtifH > tEIqrtJoPX0I9LLzE&e=3D [2]=20 > https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__mailarchive.ietf. > org_arch_msg_pce_oaBIRA9FnNsV6-2DJrKKRCdwtLysk&d=3DDwICAg&c=3DLFYZ-o9_HUM= e > MTSQicvjIg&r=3DQNToJ4byfiy_4vy6H7dTgAPqN3XciMGI3LRm7GcpRS0&m=3DKqMn1wqwY7= E > axx1ZB__8kR_NIFB-YPF_J6_fVBX8sKM&s=3D_4rAfNEGOgyC-0OePoS6C2GxtnwZPl_9ukV > TvNXwfhs&e=3D >=20 > _______________________________________________ > Pce mailing list > Pce@ietf.org > https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.ietf.org_mail > man_listinfo_pce&d=3DDwICAg&c=3DLFYZ-o9_HUMeMTSQicvjIg&r=3DQNToJ4byfiy_4v= y6H > 7dTgAPqN3XciMGI3LRm7GcpRS0&m=3DKqMn1wqwY7Eaxx1ZB__8kR_NIFB-YPF_J6_fVBX8s > KM&s=3DXMBuZE-BfoBu0lZz595FO3mQr8evE9hAu0SwvBZY9bQ&e=3D _______________________________________________ Pce mailing list Pce@ietf.org https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.ietf.org_mailman= _listinfo_pce&d=3DDwICAg&c=3DLFYZ-o9_HUMeMTSQicvjIg&r=3DQNToJ4byfiy_4vy6H7d= TgAPqN3XciMGI3LRm7GcpRS0&m=3DKqMn1wqwY7Eaxx1ZB__8kR_NIFB-YPF_J6_fVBX8sKM&s= =3DXMBuZE-BfoBu0lZz595FO3mQr8evE9hAu0SwvBZY9bQ&e=3D From nobody Tue Aug 27 13:37:59 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 98BF112025D; Tue, 27 Aug 2019 13:37:56 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: David Black via Datatracker To: Cc: pce@ietf.org, ietf@ietf.org, draft-ietf-pce-stateful-pce-auto-bandwidth.all@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: David Black Message-ID: <156693827653.5915.15750480452424374715@ietfa.amsl.com> Date: Tue, 27 Aug 2019 13:37:56 -0700 Archived-At: Subject: [Pce] Tsvart last call review of draft-ietf-pce-stateful-pce-auto-bandwidth-10 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Aug 2019 20:37:57 -0000 Reviewer: David Black Review result: Ready with Issues This document has been reviewed as part of the transport area review team's ongoing effort to review key IETF documents. These comments were written primarily for the transport area directors, but are copied to the document's authors and WG to allow them to address any issues raised and also to the IETF discussion list for information. When done at the time of IETF Last Call, the authors should consider this review as part of the last-call comments they receive. Please always CC tsv-art@ietf.org if you reply to or forward this review. -- Document -- PCEP Extensions for MPLS-TE LSP Automatic Bandwidth Adjustment with Stateful PCE draft-ietf-pce-stateful-pce-auto-bandwidth-10 Reviewer: David Black (david.black@dell.com) This draft describes a stateful bandwidth auto-adjustment protocol for PCE (Path Computation Element) bandwidth adjustment of LSPs (Label Switched Paths). >From a Transport perspective, an important concern is how this bandwidth auto-adjustment interacts with transport protocol reaction to network conditions. These two phenomena should occur on vastly different timescales, so that any transport protocol reactions to a bandwidth adjustment have settled out before bandwidth samples are taken for the next bandwidth adjustment. If the transport protocol reactions and bandwidth adjustments occur on similar timescales, undesirable interactions (e.g., oscillation) become possible. Such undesirable interactions need to be avoided. The design center of this draft avoids these undesirable interactions, as the default sample interval of 5 minutes is much longer than the RTT-based (RTT = Round Trip Time) reaction times of transport protocols. However, RTT is not the relevant metric here, e.g., as the initial BBR congestion control algorithm specified a probe of network conditions every 10 seconds. 5 minutes (more than an order of magnitude larger than 10 seconds) is still a reasonable sample interval, but in the extreme, the bandwidth auto- adjustment protocol in this draft is capable of sampling network bandwidth and reacting to it every second, which could cause undesirable interactions with transport protocols (e.g., that employ BBR with a 10 second probe interval). The sample interval is of primary concern here, as the protocol adjusts bandwidth based on a single sample, namely the largest bandwidth observed in the adjustment interval. This reviewer expects that network operators would not configure such extreme parameters, and hence believes that the draft contains some unstated assumptions and/or recommendations about reasonable vs. unreasonable parameter settings. Those assumptions ought to be stated, e.g., sample interval SHOULD NOT be less than 1 minute. There's nothing special about 1 minute - it's an easy-to-express amount of time that appears to suffice to avoid potential interactions with transport protocols - the draft authors are strongly encouraged to propose alternative values and/or text to address this concern. From nobody Tue Aug 27 15:32:30 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 62AE91207FE; Tue, 27 Aug 2019 15:32:15 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Stephen Farrell via Datatracker To: Cc: pce@ietf.org, ietf@ietf.org, draft-ietf-pce-stateful-hpce.all@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: Stephen Farrell Message-ID: <156694513536.5875.13874927498225306603@ietfa.amsl.com> Date: Tue, 27 Aug 2019 15:32:15 -0700 Archived-At: Subject: [Pce] Secdir last call review of draft-ietf-pce-stateful-hpce-11 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Aug 2019 22:32:16 -0000 Reviewer: Stephen Farrell Review result: Has Nits Hiya, This draft doesn't define new protocol but rather describes a way to use existing PCE stuff in what I guess is a new way. The nit I see is the usual, presumably fictional, reference to TCP-AO. I mean, if nobody actually does that, why bother? Esp. if you have a TLS option that's (I hope) less fictional. (Is TLS less fictional for PCEP btw?) OTOH, I guess that nearly everyone now knows that referring to TCP-AO is just a figleaf to try keep security nerds happy, so maybe it's ok that we all suspend disbelief;-( Other than that, I did have two questions that occurred to me, but that are by no means a reason to hold up this draft - if answers required some action, it'd almost certainly not be something that'd be fixed here. But I'm still curious:-) 1. Has anyone spent any significant amount of time/effort attempting to attack an H-PCE network as a PCEP speaker? (And written that up:-) It looks to me like there're enough moving parts here that any real stateful hierarchical PCE network could be fairly likely to have interestingly exploitable problems in the face of such an attacker. 2. I see a reference to SPEAKER-IDENTITY-TLV. I wondered if the ability to e.g. use different SubjectAltNames in x.509 certificates might create the potential for some kind of deliberate or accidental loops to be created somewhere. Again, there's no reason to hold this up to try answer (or even to understand) those questions. I'd be happy to chat over a beer with someone at IETF106 about 'em as that might be easier than a bunch of mail. Cheers, S. From nobody Tue Aug 27 15:42:13 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 742C512011F; Tue, 27 Aug 2019 15:42:05 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.597 X-Spam-Level: X-Spam-Status: No, score=-2.597 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7BNIO2DwcaWy; Tue, 27 Aug 2019 15:42:03 -0700 (PDT) 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 E33CE12004D; Tue, 27 Aug 2019 15:42:02 -0700 (PDT) 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 x7RMfxB6032602; Tue, 27 Aug 2019 23:41:59 +0100 Received: from vs2.iomartmail.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BD0EA22044; Tue, 27 Aug 2019 23:41:59 +0100 (BST) Received: from asmtp1.iomartmail.com (unknown [10.12.10.248]) by vs2.iomartmail.com (Postfix) with ESMTPS id A7B2122042; Tue, 27 Aug 2019 23:41:59 +0100 (BST) Received: from LAPTOPK7AS653V ([87.112.232.99]) (authenticated bits=0) by asmtp1.iomartmail.com (8.14.4/8.14.4) with ESMTP id x7RMfwEQ002710 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 27 Aug 2019 23:41:58 +0100 Reply-To: From: "Adrian Farrel" To: "'Stephen Farrell'" , Cc: , , References: <156694513536.5875.13874927498225306603@ietfa.amsl.com> In-Reply-To: <156694513536.5875.13874927498225306603@ietfa.amsl.com> Date: Tue, 27 Aug 2019 23:41:56 +0100 Organization: Old Dog Consulting Message-ID: <009d01d55d28$a1e40d10$e5ac2730$@olddog.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQJA/rGZjHAHMn7bUKOY+SCX9DHKzKY4UmcQ Content-Language: en-gb X-Originating-IP: 87.112.232.99 X-Thinkmail-Auth: adrian@olddog.co.uk X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSVA-9.0.0.1623-8.2.0.1013-24874.003 X-TM-AS-Result: No--17.709-10.0-31-10 X-imss-scan-details: No--17.709-10.0-31-10 X-TMASE-Version: IMSVA-9.0.0.1623-8.2.1013-24874.003 X-TMASE-Result: 10--17.708700-10.000000 X-TMASE-MatchedRID: x2HXvaraFomWfDtBOz4q23FPUrVDm6jtK2Xp5E/r/sDDOS0FhcAXSiVd 0zWceCJ5eEMcfhapRN8CqkfgFNTEWeCpYE4Zw1NnUPktDdOX0fseRZr2cxRELsuSXx71bvSL5xK d2UyY/9aXhTtgl0lKrQ7mOhsG9JpUG6D1Oij+NwkHRzaQbsazqLJEo6RFXaMBa73+XlYDLuxGYv UFUejPpwFjHc0ldSMGX7VX/Yyk1YPsrfmvTLX/noS/TV9k6ppAPXu1L28jSnFEvDDW7fraa6DSF bNSvOcnUlYzUd2VQCjdjgC/mVZqxbgDo+qmynoTN19PjPJahlI+2wh5SKLNTr59Yrw3aQCHqzsf 3Jwr9ugvL6wN3NwNB4dhR5KNGoGn281ysgK8tlPY89Y3rjOSOjmKihe1K2IeuHvAyOPMssxKOLA aWF/XN5c0cjL5IGjpS5wwTxCFN2yvMyWwzFWyi0XDLbZtboYDChdI4sLlrjiZj6vI4Rf7hGlys1 PDhWLoCIUHXTihi6sW0Cobj/6ySGthr6NhZ4UuCuDAUX+yO6Y+4xdAglpjoNC+brZibJmzU1LXq VLalgNPbhexfXCKb/7ewXL4WrSICqKeazYPYcKeAiCmPx4NwFkMvWAuahr8i2QFaYS1v20qtq5d 3cxkNQP90fJP9eHt X-TMASE-SNAP-Result: 1.821001.0001-0-1-12:0,22:0,33:0,34:0-0 Archived-At: Subject: Re: [Pce] Secdir last call review of draft-ietf-pce-stateful-hpce-11 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Aug 2019 22:42:06 -0000 You had me at the mention of beer. Actually, that would be a useful conversation both in a PCE context and = in a wider SDN context. (Always said that the SDN architecture was = missing a bit of security work). I'd also love us to have some clarity about TCP-AO. It's like we were = all told we must use TCP-AO in our protocol specifications as the silver = bullet, and now the shiny outer layer has tarnished a bit. But that is = worthy of a separate thread. Best, Adrian -----Original Message----- From: Stephen Farrell via Datatracker =20 Sent: 27 August 2019 23:32 To: secdir@ietf.org Cc: pce@ietf.org; ietf@ietf.org; = draft-ietf-pce-stateful-hpce.all@ietf.org Subject: Secdir last call review of draft-ietf-pce-stateful-hpce-11 Reviewer: Stephen Farrell Review result: Has Nits Hiya, This draft doesn't define new protocol but rather describes a way to use = existing=20 PCE stuff in what I guess is a new way.=20 The nit I see is the usual, presumably fictional, reference to TCP-AO. = I mean, if nobody actually does that, why bother? Esp. if you have a TLS option = that's (I hope) less fictional. (Is TLS less fictional for PCEP btw?) OTOH, I = guess that nearly everyone now knows that referring to TCP-AO is just a figleaf to = try keep security nerds happy, so maybe it's ok that we all suspend disbelief;-(=20 Other than that, I did have two questions that occurred to me, but that = are by=20 no means a reason to hold up this draft - if answers required some = action, it'd almost certainly not be something that'd be fixed here. But I'm still = curious:-) 1. Has anyone spent any significant amount of time/effort attempting to=20 attack an H-PCE network as a PCEP speaker? (And written that up:-) It=20 looks to me like there're enough moving parts here that any real = stateful=20 hierarchical PCE network could be fairly likely to have interestingly exploitable problems in the face of such an attacker. 2. I see a reference to SPEAKER-IDENTITY-TLV. I wondered if the=20 ability to e.g. use different SubjectAltNames in x.509 certificates might create the potential for some kind of deliberate or accidental loops to be created somewhere.=20 Again, there's no reason to hold this up to try answer (or even to understand) those questions. I'd be happy to chat over a beer with=20 someone at IETF106 about 'em as that might be easier than a bunch=20 of mail.=20 Cheers, S. From nobody Tue Aug 27 15:54:10 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CEA7812012E; Tue, 27 Aug 2019 15:53:55 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.964 X-Spam-Level: X-Spam-Status: No, score=-0.964 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cs.tcd.ie 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 gjkIS-uNv0s5; Tue, 27 Aug 2019 15:53:53 -0700 (PDT) Received: from mercury.scss.tcd.ie (mercury.scss.tcd.ie [134.226.56.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9BB9B12001A; Tue, 27 Aug 2019 15:53:53 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by mercury.scss.tcd.ie (Postfix) with ESMTP id 0F0CABE53; Tue, 27 Aug 2019 23:53:50 +0100 (IST) X-Virus-Scanned: Debian amavisd-new at scss.tcd.ie Received: from mercury.scss.tcd.ie ([127.0.0.1]) by localhost (mercury.scss.tcd.ie [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id UlcXLxzNrTEn; Tue, 27 Aug 2019 23:53:48 +0100 (IST) Received: from [10.244.2.138] (95-45-153-252-dynamic.agg2.phb.bdt-fng.eircom.net [95.45.153.252]) by mercury.scss.tcd.ie (Postfix) with ESMTPSA id 3173EBE2E; Tue, 27 Aug 2019 23:53:48 +0100 (IST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cs.tcd.ie; s=mail; t=1566946428; bh=tvL5r7BOvtnYVPxftcpm12wtdZAjkQLfe+agPwb0eCk=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=v3DendElxAN04OMNz8gPOceXizy9I/DAMfHgiNB6vkz7tNjXFifWchm+lOrRpnwmb y9msVl7fV9ujuZijrgnGEx52xlTHYJ6chLDjt/R8z7VuLynKQrRVl3DTdgLf94ixjx RERG7+8+xBxMioadMgtKELidbz3Vrnl5Bfea3jYk= To: adrian@olddog.co.uk, secdir@ietf.org Cc: pce@ietf.org, ietf@ietf.org, draft-ietf-pce-stateful-hpce.all@ietf.org References: <156694513536.5875.13874927498225306603@ietfa.amsl.com> <009d01d55d28$a1e40d10$e5ac2730$@olddog.co.uk> From: Stephen Farrell Openpgp: id=5BB5A6EA5765D2C5863CAE275AB2FAF17B172BEA; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <009d01d55d28$a1e40d10$e5ac2730$@olddog.co.uk> Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="oUFTTkidFpRTEkXzGRQOwtWSECAiLt3zG" Archived-At: Subject: Re: [Pce] Secdir last call review of draft-ietf-pce-stateful-hpce-11 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Aug 2019 22:53:56 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --oUFTTkidFpRTEkXzGRQOwtWSECAiLt3zG Content-Type: multipart/mixed; boundary="NpRFYk06M3WTnCduIYOq7GFA7xKKlmQgh"; protected-headers="v1" From: Stephen Farrell To: adrian@olddog.co.uk, secdir@ietf.org Cc: pce@ietf.org, ietf@ietf.org, draft-ietf-pce-stateful-hpce.all@ietf.org Message-ID: Subject: Re: Secdir last call review of draft-ietf-pce-stateful-hpce-11 References: <156694513536.5875.13874927498225306603@ietfa.amsl.com> <009d01d55d28$a1e40d10$e5ac2730$@olddog.co.uk> In-Reply-To: <009d01d55d28$a1e40d10$e5ac2730$@olddog.co.uk> --NpRFYk06M3WTnCduIYOq7GFA7xKKlmQgh Content-Type: multipart/mixed; boundary="------------3724F9CDC400A19CA5487336" Content-Language: en-GB This is a multi-part message in MIME format. --------------3724F9CDC400A19CA5487336 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hiya, On 27/08/2019 23:41, Adrian Farrel wrote: > You had me at the mention of beer. That's a deal then:-) > Actually, that would be a useful conversation both in a PCE context > and in a wider SDN context. (Always said that the SDN architecture > was missing a bit of security work). > > I'd also love us to have some clarity about TCP-AO. It's like we were > all told we must use TCP-AO in our protocol specifications as the > silver bullet, and now the shiny outer layer has tarnished a bit. But > that is worthy of a separate thread. Yeah. TCP-AO is a fine thing and would've solved some problems had it been deployed but I guess reality chose otherwise and it has now been 9 years so maybe it's time to call that one. But I guess that's a question that the esteemed routing and sec ADs can figure out. I think the main downside of text such as is in this draft is that some RFC readers may waste effort on it for no benefit so it seems a bit of a disservice for us to keep on pretending. OTOH, maybe all the relevant implementers already know to ignore it already. (Or ignore all crypto stuff all the time;-) BTW - I'd still love to know if TLS is as fictional as TCP-AO for PCEP:-) Cheers, S. >=20 > Best, Adrian >=20 > -----Original Message----- From: Stephen Farrell via Datatracker > Sent: 27 August 2019 23:32 To: secdir@ietf.org Cc: > pce@ietf.org; ietf@ietf.org; > draft-ietf-pce-stateful-hpce.all@ietf.org Subject: Secdir last call > review of draft-ietf-pce-stateful-hpce-11 >=20 > Reviewer: Stephen Farrell Review result: Has Nits >=20 >=20 > Hiya, >=20 > This draft doesn't define new protocol but rather describes a way to > use existing PCE stuff in what I guess is a new way. >=20 > The nit I see is the usual, presumably fictional, reference to > TCP-AO. I mean, if nobody actually does that, why bother? Esp. if > you have a TLS option that's (I hope) less fictional. (Is TLS less > fictional for PCEP btw?) OTOH, I guess that nearly everyone now knows > that referring to TCP-AO is just a figleaf to try keep security nerds > happy, so maybe it's ok that we all suspend disbelief;-( >=20 > Other than that, I did have two questions that occurred to me, but > that are by no means a reason to hold up this draft - if answers > required some action, it'd almost certainly not be something that'd > be fixed here. But I'm still curious:-) >=20 > 1. Has anyone spent any significant amount of time/effort attempting > to attack an H-PCE network as a PCEP speaker? (And written that > up:-) It looks to me like there're enough moving parts here that any > real stateful hierarchical PCE network could be fairly likely to > have interestingly exploitable problems in the face of such an > attacker. >=20 > 2. I see a reference to SPEAKER-IDENTITY-TLV. I wondered if the=20 > ability to e.g. use different SubjectAltNames in x.509 certificates=20 > might create the potential for some kind of deliberate or accidental=20 > loops to be created somewhere. >=20 > Again, there's no reason to hold this up to try answer (or even to=20 > understand) those questions. I'd be happy to chat over a beer with=20 > someone at IETF106 about 'em as that might be easier than a bunch of > mail. >=20 > Cheers, S. >=20 >=20 >=20 --------------3724F9CDC400A19CA5487336 Content-Type: application/pgp-keys; name="0x5AB2FAF17B172BEA.asc" Content-Transfer-Encoding: quoted-printable Content-Disposition: attachment; filename="0x5AB2FAF17B172BEA.asc" -----BEGIN PGP PUBLIC KEY BLOCK----- mQINBFo9UDIBEADUH4ZPcUnX5WWRWO4kEkHea5Y5eEvZjSwe/YA+G0nrTuOU9nem CP5PMvmh5Cg8gBTyWyN4Z2+O25p9Tja5zUb+vPMWYvOtokRrp46yhFZOmiS5b6kT q0IqYzsEv5HI58S+QtaFq978CRa4xH9Gi9u4yzUmT03QNIGDXE37honcAM4MOEtE gvw4fVhVWJuyy3w//0F2tzKrEMjmL5VGuD/Q9+G/7abuXiYNNd9ZFjv4625AUWwy +pAh4EKzS1FE7BOZp9daMu9MUQmDqtZUbUv0Q+DnQAB/4tNncejJPz0p2z3MWCp5 iSwHiQvytYgatMp34a50l6CWqa13n6vY8VcPlIqOVz+7L+WiVfxLbeVqBwV+4uL9 to9zLF9IyUvl94lCxpscR2kgRgpM6A5LylRDkR6E0oudFnJgb097ZaNyuY1ETghV B5Uir1GCYChs8NUNumTHXiOkuzk+Gs4DAHx/a78YxBolKHi+esLH8r2k4LyM2lp5 FmBKjG7cGcpBGmWavACYEa7rwAadg4uBx9SHMV5i33vDXQUZcmW0vslQ2Is02NMK 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X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: Erik Kline Message-ID: <156695748522.22371.4307730844191565910@ietfa.amsl.com> Date: Tue, 27 Aug 2019 18:58:05 -0700 Archived-At: Subject: [Pce] Genart last call review of draft-ietf-pce-stateful-pce-auto-bandwidth-10 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Aug 2019 01:58:06 -0000 Reviewer: Erik Kline Review result: Ready with Nits I am the assigned Gen-ART reviewer for this draft. The General Area Review Team (Gen-ART) reviews all IETF documents being processed by the IESG for the IETF Chair. Please treat these comments just like any other last call comments. For more information, please see the FAQ at . Document: draft-ietf-pce-stateful-pce-auto-bandwidth-10 Reviewer: Erik Kline Review Date: 2019-08-27 IETF LC End Date: 2019-08-28 IESG Telechat date: Not scheduled for a telechat Summary: Gentle reminder for the authors to double-check all the lower case "should"s, "required"s, and "must not"s (etc) to make sure it's not important that they be capitalized (since the case-sensitive requirements text is referenced). Major issues: Minor issues: Nits/editorial comments: There are some periodic grammatical changes that I think would be nice, but I assume that can get sorted out with the RFC editor. Two random things I'll note: Section 1> I can't find "Path Control Element" in RFC 5440. Should this be "Path Computation Element"? Section 5.2> . s/speaker wish to disable/speaker wishes to disable/ . s/of same type/of the same type/ From nobody Tue Aug 27 23:55:16 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3C6AB120867; Tue, 27 Aug 2019 23:55:08 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id EI760VKThfxd; Tue, 27 Aug 2019 23:55:06 -0700 (PDT) Received: from mail-io1-xd2c.google.com (mail-io1-xd2c.google.com [IPv6:2607:f8b0:4864:20::d2c]) (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 F0BB4120863; Tue, 27 Aug 2019 23:55:02 -0700 (PDT) Received: by mail-io1-xd2c.google.com with SMTP id x4so3677925iog.13; Tue, 27 Aug 2019 23:55:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=LaaogtHsxEhbjtVsHshzNjHGTmk/gIj/jSGOGn6s8I4=; b=RD37ScmddO5AEvNy83ZE/w9xIxTEn7NnbpUMHC56tRNN+WGuPL2C77Z6OS+SNnrVFH V6no+keZVfKEn1LXqGjh8eVXYLrsmuXHts9NqWtfl0dD+uqUrD5BWctvS1e2gdK9gyNk azwmMj3FbNbFdX5sZEKVCwaXSZYzafraMHZwkD+vGfhPgeohOnrgGhQzHD8mi/zsrPJL 3/lERPTg1JnyaXmYRphK+PUP8KuZzof49BniJ5+4iwdtUE43KUf4Hyw/Lb4Ak8hd6Rm4 tnb9jDqLUbVeSjGsg2DRovWilwbotgURkQviDwIcUeJX2dQomZ9VEFJSL7ZJI23gmhB+ hrMA== 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=LaaogtHsxEhbjtVsHshzNjHGTmk/gIj/jSGOGn6s8I4=; b=nMR6A/AmrKV96Bu07M1rcvMwhLYPzFnnQv8i9uSFp9GgP3c/pr+HJzcgWD6I5gg1ON 8MNVdTA2DzYMFirREVeHLi4nclHOcjWB3dxGYy8F6XHvsdgtevvHU17Paxyyvlw6dEhI MAnT0GFl9eV4wmmH0kXRvoQnqEGzY+szrrk4CxIhxq90LCf6oif/U+/xPdpkOO1NPQ7p 8XT5g5rOT894vPMNqYiScHnIosxd5kD/1ZORSoygDT3E6MfFYDghxW9VLK6ZO+HyKFOx De9wRLxC1sPZ1sAK/maXVyH4hQ5B4wYY7loe9MQ067nZyO1IrE49/U1bEWTI+27v6oDj tUSA== X-Gm-Message-State: APjAAAVwAW8lJGfcNlKsYzpJEt+E77PAZXD5SozmP3jZ6PsypX+RXMSP mSvgvBmOYOaaAJEezCJpG1oXx6Z+7M+dWEgF10k= X-Google-Smtp-Source: APXvYqy2xPdLU0dRTjK2WNiK+NOw3wp2qyD3ytt1d1OwTzQZVhGBA0wZRzsVGK/AaYlIqJi3K+13HnCQeZe3fqKtnLI= X-Received: by 2002:a5d:9696:: with SMTP id m22mr407211ion.14.1566975302037; Tue, 27 Aug 2019 23:55:02 -0700 (PDT) MIME-Version: 1.0 References: <156693827653.5915.15750480452424374715@ietfa.amsl.com> In-Reply-To: <156693827653.5915.15750480452424374715@ietfa.amsl.com> From: Dhruv Dhody Date: Wed, 28 Aug 2019 12:24:25 +0530 Message-ID: To: David Black Cc: tsv-art@ietf.org, pce@ietf.org, "ietf@ietf.org Discussion" , draft-ietf-pce-stateful-pce-auto-bandwidth.all@ietf.org Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: Re: [Pce] Tsvart last call review of draft-ietf-pce-stateful-pce-auto-bandwidth-10 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Aug 2019 06:55:09 -0000 Hi David, Thank you for your review and comments. Especially thankful to you for a very clear description of the problem. On Wed, Aug 28, 2019 at 2:07 AM David Black via Datatracker wrote: > > Reviewer: David Black > Review result: Ready with Issues > > This document has been reviewed as part of the transport area review team's > ongoing effort to review key IETF documents. These comments were written > primarily for the transport area directors, but are copied to the document's > authors and WG to allow them to address any issues raised and also to the IETF > discussion list for information. > > When done at the time of IETF Last Call, the authors should consider this > review as part of the last-call comments they receive. Please always CC > tsv-art@ietf.org if you reply to or forward this review. > > -- Document -- > > PCEP Extensions for MPLS-TE LSP Automatic Bandwidth Adjustment with > Stateful PCE > draft-ietf-pce-stateful-pce-auto-bandwidth-10 > > Reviewer: David Black (david.black@dell.com) > > This draft describes a stateful bandwidth auto-adjustment protocol for PCE > (Path Computation Element) bandwidth adjustment of LSPs (Label Switched Paths). > > >From a Transport perspective, an important concern is how this bandwidth > auto-adjustment interacts with transport protocol reaction to network > conditions. These two phenomena should occur on vastly different timescales, > so that any transport protocol reactions to a bandwidth adjustment have > settled out before bandwidth samples are taken for the next bandwidth > adjustment. If the transport protocol reactions and bandwidth adjustments > occur on similar timescales, undesirable interactions (e.g., oscillation) > become possible. Such undesirable interactions need to be avoided. > > The design center of this draft avoids these undesirable interactions, as > the default sample interval of 5 minutes is much longer than the RTT-based > (RTT = Round Trip Time) reaction times of transport protocols. However, > RTT is not the relevant metric here, e.g., as the initial BBR congestion > control algorithm specified a probe of network conditions every 10 seconds. > 5 minutes (more than an order of magnitude larger than 10 seconds) is still > a reasonable sample interval, but in the extreme, the bandwidth auto- > adjustment protocol in this draft is capable of sampling network bandwidth > and reacting to it every second, which could cause undesirable interactions > with transport protocols (e.g., that employ BBR with a 10 second probe > interval). The sample interval is of primary concern here, as the protocol > adjusts bandwidth based on a single sample, namely the largest bandwidth > observed in the adjustment interval. > > This reviewer expects that network operators would not configure such > extreme parameters, and hence believes that the draft contains some unstated > assumptions and/or recommendations about reasonable vs. unreasonable parameter > settings. Those assumptions ought to be stated, e.g., sample interval > SHOULD NOT be less than 1 minute. There's nothing special about 1 minute - > it's an easy-to-express amount of time that appears to suffice to avoid > potential interactions with transport protocols - the draft authors are > strongly encouraged to propose alternative values and/or text to address > this concern. > > How about adding something like this - Due care is required by the operator while setting a smaller Sample-Interval to avoid any undesirable interaction with the transport protocols (if any) to make sure that any transport protocol reactions to a bandwidth adjustment have settled out before bandwidth samples are taken for the next bandwidth adjustment. Thanks! Dhruv From nobody Tue Aug 27 23:55:27 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 819F91208D8; Tue, 27 Aug 2019 23:55:18 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bLXt4H8tzzRM; Tue, 27 Aug 2019 23:55:15 -0700 (PDT) Received: from mail-io1-xd2b.google.com (mail-io1-xd2b.google.com [IPv6:2607:f8b0:4864:20::d2b]) (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 A6A801208B7; Tue, 27 Aug 2019 23:55:15 -0700 (PDT) Received: by mail-io1-xd2b.google.com with SMTP id b10so3849541ioj.2; Tue, 27 Aug 2019 23:55:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=WQY4BrcvDYD5yqQIvbvcZsAF57m8VWvb6eA0Hstmi9Q=; b=LnYsjZMHU/Gx6qdCNAUyQU0jjH3vjcw36oCuTllR8b4dlT7h1STf+W2AG577v1J5sF UsxD5cOv0mtpQyj+/dxInDOni+3gzjqwyCTW48XJUzUPKIWVZn3p9wb3nEDBU53RLjzA NpOPxyO8dgj5IP8BdMVaZeN6NYXg+B4FvySLggMCqc0IUp1YEOXR4g+fAmDYRxPRCMd8 KisAM95e+VvIHEUSvSIrA7okHNLGm6PKk6lrERpnundROID3BWp7u/4W1hgjDl3W5gIR 2PXELM3/1ijXf3dfg9Hc1++M+9bgUZIB8tH0Ph7UDWGn/1KYucAU8v8KvPTIJ/mI+mlW +G7Q== 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=WQY4BrcvDYD5yqQIvbvcZsAF57m8VWvb6eA0Hstmi9Q=; b=ay0LaEybAPuUEd4UGUqQJQUCaf3xV7FyL5hk1ISkqOOyqgVjhBjloNXhYrFfUGQ6DG UpGQFtt2VuNuHu6vGU2kUmrLuAs70PG2oZjaPSHEdSAv4FOBqY96zdSZpEOIYF5uCylE URxfHKPko8EiJXpkp5zQiP0FqSCNflwt+z1mS9Wif7JN7fjhIdvh4psYQesxjoC1ANcW 6dGH2/j1ZCjT+jx+0tZ0deKo5D1ooqwi4H4EHKd1rk9zPfFsQt9lwmfuv5Oy9Dmvwo1T hTycyguoiAltuTe2hL2MMcqS7DSUZfAt6sVXttk6YvVKYTJdSgBKJ9iZxVwo1uAYoFl0 Ed2A== X-Gm-Message-State: APjAAAUaEXJ7Si8O9MVioNFvSYLh7wplFtMMtjWudVuEmcjaY6ryU9M/ mQ4MNu94nGqedo7VLIJMD2vbXB4/O/OMn60hMNI= X-Google-Smtp-Source: APXvYqxC2rfAbkIPQOmlmy6Rs5dibn84jzwVg/oRApIOU98287Utc3GbBEOTxUukMk/7v7rcqvGjHcam7Gs/DgVAqNg= X-Received: by 2002:a6b:c98c:: with SMTP id z134mr2592840iof.276.1566975314801; Tue, 27 Aug 2019 23:55:14 -0700 (PDT) MIME-Version: 1.0 References: <156695748522.22371.4307730844191565910@ietfa.amsl.com> In-Reply-To: <156695748522.22371.4307730844191565910@ietfa.amsl.com> From: Dhruv Dhody Date: Wed, 28 Aug 2019 12:24:38 +0530 Message-ID: To: Erik Kline Cc: General Area Review Team , pce@ietf.org, "ietf@ietf.org Discussion" , draft-ietf-pce-stateful-pce-auto-bandwidth.all@ietf.org Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: Re: [Pce] Genart last call review of draft-ietf-pce-stateful-pce-auto-bandwidth-10 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Aug 2019 06:55:22 -0000 Hi Erik, Thank you for your review and suggestions. We will update in the next revision. Thanks! Dhruv On Wed, Aug 28, 2019 at 7:28 AM Erik Kline via Datatracker wrote: > > Reviewer: Erik Kline > Review result: Ready with Nits > > I am the assigned Gen-ART reviewer for this draft. The General Area > Review Team (Gen-ART) reviews all IETF documents being processed > by the IESG for the IETF Chair. Please treat these comments just > like any other last call comments. > > For more information, please see the FAQ at > > . > > Document: draft-ietf-pce-stateful-pce-auto-bandwidth-10 > Reviewer: Erik Kline > Review Date: 2019-08-27 > IETF LC End Date: 2019-08-28 > IESG Telechat date: Not scheduled for a telechat > > Summary: > > Gentle reminder for the authors to double-check all the lower case "should"s, > "required"s, and "must not"s (etc) to make sure it's not important that they be > capitalized (since the case-sensitive requirements text is referenced). > > Major issues: > > Minor issues: > > Nits/editorial comments: > > There are some periodic grammatical changes that I think would be nice, but I > assume that can get sorted out with the RFC editor. > > Two random things I'll note: > > Section 1> I can't find "Path Control Element" in RFC 5440. Should this be > "Path Computation Element"? > > Section 5.2> > . s/speaker wish to disable/speaker wishes to disable/ > . s/of same type/of the same type/ > From nobody Tue Aug 27 23:56:12 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BDAC81208E5; Tue, 27 Aug 2019 23:55:53 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hoDWsm29xpdT; Tue, 27 Aug 2019 23:55:51 -0700 (PDT) Received: from mail-io1-xd2d.google.com (mail-io1-xd2d.google.com [IPv6:2607:f8b0:4864:20::d2d]) (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 AFD4C1208BA; Tue, 27 Aug 2019 23:55:51 -0700 (PDT) Received: by mail-io1-xd2d.google.com with SMTP id s21so3876183ioa.1; Tue, 27 Aug 2019 23:55:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=/dzgidEylLiwfzUObsW5C9nan+mpZ1sPl8OzDrVRdQs=; b=XX+TI2RXPg1mw/vunOpda+4Kendn9ic5ZCJZyNGYNnOnh2n+BYrVr89VtAFIjgEnjP HEzy0agFABgOwFDMy+k2J1jMmlNNp/DzQypYUGHDFQtGtgBJLKPJY7otR1znNMee+I9x sHYdoAhm3L9XMJI/iuvDSK9sSI387cNOJoFz6nqjnW1siYxg7idFNAfz7DfX9CxBokhz EbupcyUNGLU2G4T/3zalVuAyKjdcZpns738mwJ1w2KESoPGMKGKVCAuuEz5w109F9Vbz cO7ICLQJ53nwDCdyXRON5UtgT3zuEFHtS+7wvwMwf4i+n0oWwL6oY6vZb3rBJpo52idZ DXOw== 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=/dzgidEylLiwfzUObsW5C9nan+mpZ1sPl8OzDrVRdQs=; b=fTCfdENc5mxTcNIkYsmTnyuNlZawnZzfjsYiCvmTGb+LaJaoV49tsaX4XBjxXCszV5 G5FNMi5xaMQk/JtdCh7u+ng92CLDaJ3h4TIOj7p4edSQzGOeVnL2Ro06PBHdkkPjSU/B mzKM8yyBmjhiwtMjwE4Q8QtqYbTw5OUCUT4/GkcCgrIGEYvKu9cRbGU7secVB2socGXT X+mSC64h0OMZMhkElUVOkGkpRY4h8VrvtdxN04rrUmDAxdOrIinSSG7pSuKE7sOKxioz 5jkou857u/oVwZqKO31lfC5Tj6w30ByzqG7zpCN1Mokdq8DpDOedLs5fhzPqisdZiN/R bA6Q== X-Gm-Message-State: APjAAAXH8xjGzgDCKAmyQO+lfFjIzknzOlwPNyohC/F62DSv3UQmv7oU OUkqXLHhcCbxMOLyVxIRwCuDUj55jlltVywQSo4= X-Google-Smtp-Source: APXvYqyOV3x3ito5Mp4zODi/7ZfK8ILQPgLwekeJUmsZ8oTcSI3F1wIUPBxgmSsZEA7XuVJpsBRqhgorlaM9K4IrTPg= X-Received: by 2002:a5e:c301:: with SMTP id a1mr2757519iok.1.1566975350877; Tue, 27 Aug 2019 23:55:50 -0700 (PDT) MIME-Version: 1.0 References: <156684817455.30577.2295871305402533561@ietfa.amsl.com> In-Reply-To: <156684817455.30577.2295871305402533561@ietfa.amsl.com> From: Dhruv Dhody Date: Wed, 28 Aug 2019 12:25:14 +0530 Message-ID: To: Joe Clarke Cc: ops-dir@ietf.org, pce@ietf.org, "ietf@ietf.org Discussion" , draft-ietf-pce-stateful-pce-auto-bandwidth.all@ietf.org Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: Re: [Pce] Opsdir last call review of draft-ietf-pce-stateful-pce-auto-bandwidth-10 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Aug 2019 06:55:58 -0000 Hi Joe, Thank you for your careful review. On Tue, Aug 27, 2019 at 1:06 AM Joe Clarke via Datatracker wrote: > > Reviewer: Joe Clarke > Review result: Ready > > I have been requested to review this draft on behalf of the OPS Directorate. > This draft describes PCEP extensions for MPLS-TE LSP automatic bandwidth > adjustment with stateful PCE. In general, I think the draft is well-written, > and I appreciate the addition of the operational considerations section. It is > in that section I have a couple of comments. > > In section 6.2 you say: > > A Management Information Base (MIB) module for modeling PCEP is > described in [RFC7420]. However, one may prefer the mechanism for > configuration using YANG data model [I-D.ietf-pce-pcep-yang]. > > However, when you look at that MIB module, there is only one read-write object. > On top of that, the IESG has mandated that new MIB modules should not have > read-write objects. I think your language pointing one to the YANG module > should be stronger. Perhaps: > > A MIB module for gathering operational information about PCEP is defined in > [RFC7420]. Additionally, the YANG module defined in [I-D.ietf-pce-pcep-yang] > provides for both configuration of PCEP as well as operational management. > This is a good suggestion, we will update. > === > > In section 6.6, do you have any more concrete recommendations on a reasonable > limit of LSPs with auto-bandwidth that you have discovered from testing or > operational experience? Providing some data here may prove useful, even if it > is somewhat anecdotal. > > We discussed this and felt reluctance in putting a number down in the RFC, esp when we don't do it for our base published RFCs (ex. such as how many LSPs can be delegated to a PCE). I also checked with at least one vendor and was told that it is quite dependent on the deployment scenario and would let the operator decide. Thanks! Dhruv From nobody Wed Aug 28 07:06:33 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6F2E01200E3; Wed, 28 Aug 2019 07:06:12 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.7 X-Spam-Level: X-Spam-Status: No, score=-2.7 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=dell.com header.b=GgrvC0VG; dkim=fail (1024-bit key) reason="fail (message has been altered)" header.d=emc.com header.b=pxwAhO40 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 U5rNM-ysecec; Wed, 28 Aug 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(20.177.219.223) by DM6PR11MB2795.namprd11.prod.outlook.com (20.176.95.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2178.18; Wed, 28 Aug 2019 15:23:40 +0000 Received: from DM6PR11MB3418.namprd11.prod.outlook.com ([fe80::88db:8b96:71f6:bc9]) by DM6PR11MB3418.namprd11.prod.outlook.com ([fe80::88db:8b96:71f6:bc9%5]) with mapi id 15.20.2199.021; Wed, 28 Aug 2019 15:23:40 +0000 From: "Joe Clarke (jclarke)" To: Dhruv Dhody CC: "ops-dir@ietf.org" , "pce@ietf.org" , "ietf@ietf.org Discussion" , "draft-ietf-pce-stateful-pce-auto-bandwidth.all@ietf.org" Thread-Topic: Opsdir last call review of draft-ietf-pce-stateful-pce-auto-bandwidth-10 Thread-Index: AQHVXW2mYWas/CAokESVW7PzSklw46cQrkgA Date: Wed, 28 Aug 2019 15:23:39 +0000 Message-ID: References: <156684817455.30577.2295871305402533561@ietfa.amsl.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none 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jgIlqqhcadQ7cZ47pylfS4Xds1Bw56uzZ+OMrWQqdMqgUCOL5X9pZUQiDWpwfxv9FgK/0YcngKhBA3TMvzIF2dYvJLztIGFkWAmtOFH5f246kuTINKJ9AbKoqHT+YMD9Z7zIWGBaWQxZNfV8QrTTK0LmnBVeH4rY2XPda+EfkPMILIO/In+46i8jQGtG/2BC+N7+HMSsUVZvr/FhlxpMzRJoh+78cAlF8xvTe22ceShXALzCLmtJTGs9Oi4RKRzIayW+lihlF+BiwEySR3Re1316aOUG/GtI/BbvCG093F52QqyhBF2VTYxPVrkJuImrzNCb03wyrvb75wmuoh4vLFGHS+HfOs9JZ4gTtFhQY/nqLGP2vAE8HcMkRFMbz+HoLsPYMBZ9C9aNo7pKDuk7yzweNGeK34RVO/O/Cc5ln2I= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="us-ascii" Content-ID: <4B5D14A8410C254495B70FD019A9C2EE@namprd11.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: eee5788c-7bea-4bdf-69d8-08d72bcbb466 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Aug 2019 15:23:39.9821 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: MG2wSL8fMTH7gckKs2EByrTFImOUnFF9xQX45JjigJHPqrs0KSe+yDagvFFVY7TaQOiFxOKqaaaaievIbWN74Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR11MB2795 X-OriginatorOrg: cisco.com X-Outbound-SMTP-Client: 173.36.7.27, xch-aln-017.cisco.com X-Outbound-Node: alln-core-5.cisco.com Archived-At: Subject: Re: [Pce] Opsdir last call review of draft-ietf-pce-stateful-pce-auto-bandwidth-10 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Aug 2019 15:23:46 -0000 > This is a good suggestion, we will update. Thanks. >=20 >> =3D=3D=3D >>=20 >> In section 6.6, do you have any more concrete recommendations on a reaso= nable >> limit of LSPs with auto-bandwidth that you have discovered from testing = or >> operational experience? Providing some data here may prove useful, even= if it >> is somewhat anecdotal. >>=20 >>=20 >=20 > We discussed this and felt reluctance in putting a number down in the > RFC, esp when we don't do it for our base published RFCs (ex. such as > how many LSPs can be delegated to a PCE). I also checked with at least > one vendor and was told that it is quite dependent on the deployment > scenario and would let the operator decide. Maybe not a hard number, but is there any kind of example you could provide= for a given scenario that provides clearer guidance on what kind of impact= each one of these LSPs would present? Joe From nobody Wed Aug 28 12:43:20 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 418711200E3; Wed, 28 Aug 2019 12:43:06 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Daniel Franke via Datatracker To: Cc: pce@ietf.org, ietf@ietf.org, draft-ietf-pce-stateful-pce-auto-bandwidth.all@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: Daniel Franke Message-ID: <156702138622.1106.12957431760424204090@ietfa.amsl.com> Date: Wed, 28 Aug 2019 12:43:06 -0700 Archived-At: Subject: [Pce] Secdir last call review of draft-ietf-pce-stateful-pce-auto-bandwidth-10 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Aug 2019 19:43:06 -0000 Reviewer: Daniel Franke 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 protocol that this draft extends is one intended to be run over TLS and conducted between two endpoints controlled by the same administrative authority. The Security Considerations section duly makes this explicit and references another RFC which thoroughly discusses what can occur when these assumptions are violated. When the protocol is run as intended, there is no communication across trust boundaries and therefore the potential security concerns are minimal. From nobody Wed Aug 28 20:05:11 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 2F91B120831; Wed, 28 Aug 2019 20:04:52 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Pete Resnick via Datatracker To: Cc: draft-ietf-pce-stateful-path-protection.all@ietf.org, pce@ietf.org, ietf@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: Pete Resnick Message-ID: <156704789212.1265.12949882127746399605@ietfa.amsl.com> Date: Wed, 28 Aug 2019 20:04:52 -0700 Archived-At: Subject: [Pce] Genart last call review of draft-ietf-pce-stateful-path-protection-08 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Aug 2019 03:05:00 -0000 Reviewer: Pete Resnick Review result: Ready I am the assigned Gen-ART reviewer for this draft. The General Area Review Team (Gen-ART) reviews all IETF documents being processed by the IESG for the IETF Chair. Please treat these comments just like any other last call comments. For more information, please see the FAQ at . Document: draft-ietf-pce-stateful-path-protection-08 Reviewer: Pete Resnick Review Date: 2019-08-28 IETF LC End Date: 2019-08-28 IESG Telechat date: Not scheduled for a telechat Summary: Ready No issues of substance that I can see. A few editorial suggestions below, but nothing earth-shattering. Major issues: None. Minor issues: None. Nits/editorial comments: Purely editorial suggestions: Section 3.1: Delete: This document defines a new Association type, the "Path Protection Association Type", value will be assigned by IANA (TBD1). You already say this in the first paragraph. Section 3.2: OLD The type (16 bits) of the TLV is to be assigned by IANA. The length field (16 bit) has a fixed value of 4. NEW The type (16 bits) of the TLV is TBD2. The length field (16 bit) has a fixed value of 4. It would probably be caught by the RFC Editor the way you had it, but this way IANA and the RFC Editor can search and replace for anything with "TBD". OLD | Type = TBD2 | Length | NEW | Type = TBD2 | Length = 4 | OLD | PT | Path Protection Association Flags |S|P| NEW | PT | Unassigned |S|P| Section 6: At the top of the section, I suggest putting in the following: [Note to RFC Editor and IANA: Sections 3.1, 3.2, and 4.5 contain "TBD1" through "TBD5" those should be replaced by the values that IANA assigns. Also, Section 4.5 includes several occurrences of the phrase "(Early allocation by IANA)"; please confirm that the value mentioned there is correct and delete that phrase from the document before publication.] From nobody Wed Aug 28 22:15:25 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 334691201CE; Wed, 28 Aug 2019 22:15:11 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id C02UezecqPjf; Wed, 28 Aug 2019 22:15:09 -0700 (PDT) Received: from mail-io1-xd2b.google.com (mail-io1-xd2b.google.com [IPv6:2607:f8b0:4864:20::d2b]) (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 EAC61120020; Wed, 28 Aug 2019 22:15:08 -0700 (PDT) Received: by mail-io1-xd2b.google.com with SMTP id t6so4347826ios.7; Wed, 28 Aug 2019 22:15:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=rBZ/ZXGhmY5k10sUGt+T54787uLFjJ63xpmLiBwHtw4=; b=HCec/ZGkU9GVdnoboTURI370Uk86XCbqyY6aoMqwuLgDdtJ7uaUCC+j9MylMpP/FLM 2wbOD6PXx9Khj5aMwPXvpPpLB7XJHyGeokCQaexweSXFgxmp8FKp5iJZIltLa2+95h8q szDxP9PElbjvix07xpGebcRSko5IXEefL3hTXenSZ49cenSATrSaWeRlJAkG9Jejt2Wp rp1W4Hz7HKvG6EjBkzOXjDACAczv9DBAjuvTQ7GnTwOdNXwWScsSZ7h80f83iaYQ5Aqk 7N5mh10Le3M8trxWlhnTrCkN900Kzg6hcOkvxPP+L2W9gLkPUPMb6xgEWIFEMbW0QmtD 6eLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=rBZ/ZXGhmY5k10sUGt+T54787uLFjJ63xpmLiBwHtw4=; b=liYM3R64V4VPWBhWRqiLJgXzyqkqr0QTzw7ELwv2aaRqBv6La3B657VZIzjxAm/xCU QCdpqgMp5k6QAgqyS8nXuxTO/SIGiic38N4EYXI3LX0bG+FsR7zwbXtAj+1IocP6gEIs lEtMjI8TXRbfXbOdTmxkbyAq8qKFODfGwX241Z1THLtal3FbnnOPxvua1YzMP5+Hhle1 AAO32yJcEr9sJ0PMDmAo83K+ltsscDBK8IuCzGPlu6sBLYzy+YSUVA9uP2sike3xatmz BLPeoG6yjuRSOqlQD4Z3HcoHp9ARjKNBm6HCC5KaMjuYtX7a0veipRdzhcPgOUouHPi3 tH7g== X-Gm-Message-State: APjAAAUke/crhHZF5o48BqvnIoVUsVfMwjAO/9NOgmLyppElDsMKFbsl Z6EbGJPNNJ7n8uELLjVkypYBOGPGlzk/Xrw9MoE= X-Google-Smtp-Source: APXvYqwYJjHlnr1doMVwl4f5HVglxVQDN6XQ9uul07FQpqjrQ8zEQCS1s65vxBCDAqm0KW6zLwDUJxS6a/k5Rq08g3w= X-Received: by 2002:a6b:6010:: with SMTP id r16mr8727990iog.124.1567055707922; Wed, 28 Aug 2019 22:15:07 -0700 (PDT) MIME-Version: 1.0 References: <156693827653.5915.15750480452424374715@ietfa.amsl.com> In-Reply-To: From: Dhruv Dhody Date: Thu, 29 Aug 2019 10:44:30 +0530 Message-ID: To: "Black, David" Cc: "tsv-art@ietf.org" , "pce@ietf.org" , "ietf@ietf.org Discussion" , "draft-ietf-pce-stateful-pce-auto-bandwidth.all@ietf.org" Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Archived-At: Subject: Re: [Pce] Tsvart last call review of draft-ietf-pce-stateful-pce-auto-bandwidth-10 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Aug 2019 05:15:11 -0000 Thanks David for the text, it is added in the working copy. On Wed, Aug 28, 2019 at 7:36 PM Black, David wrote: > > Hi Dhruv, > > Thanks for the quick response and suggested text: > > > How about adding something like this - > > > > Due care is required by the operator while setting a smaller Sample-= Interval > > to avoid any undesirable interaction with the transport protocols (i= f any) > > to make sure that any transport protocol reactions to a bandwidth ad= justment > > have settled out before bandwidth samples are taken for the next ban= dwidth > > adjustment. > > That's a good start - I'd like to see some suggested time values to help = out an operator who doesn't understand this area and is just looking for gu= idance on something simple that is safe to do. The default value of 5 min= utes is definitely safe, whereas 1 minute seems to carry some risk, so how = about: > > Due care is required by the operator if a Sample-Interval value signi= ficantly > smaller than the 5 minute default is used, as small Sample-Interval v= alues, e.g., > 1 minute or less, could cause undesirable interactions with transport= protocols. > These undesirable interactions result from providing insufficient tim= e for transport > protocol reactions to a prior bandwidth adjustment to settle out befo= re bandwidth > samples are taken for the next bandwidth adjustment. > > My goal for this text to encourage an operator who does not understand th= is area to just use 5 minutes, and spend brain-time on tinkering with more = important things ... > > Thanks, --David > > > -----Original Message----- > > From: Dhruv Dhody > > Sent: Wednesday, August 28, 2019 2:54 AM > > To: Black, David > > Cc: tsv-art@ietf.org; pce@ietf.org; ietf@ietf.org Discussion; draft-iet= f-pce- > > stateful-pce-auto-bandwidth.all@ietf.org > > Subject: Re: Tsvart last call review of draft-ietf-pce-stateful-pce-aut= o- > > bandwidth-10 > > > > > > [EXTERNAL EMAIL] > > > > Hi David, > > > > Thank you for your review and comments. Especially thankful to you for > > a very clear description of the problem. > > > > On Wed, Aug 28, 2019 at 2:07 AM David Black via Datatracker > > wrote: > > > > > > Reviewer: David Black > > > Review result: Ready with Issues > > > > > > This document has been reviewed as part of the transport area review = team's > > > ongoing effort to review key IETF documents. These comments were writ= ten > > > primarily for the transport area directors, but are copied to the doc= ument's > > > authors and WG to allow them to address any issues raised and also to= the IETF > > > discussion list for information. > > > > > > When done at the time of IETF Last Call, the authors should consider = this > > > review as part of the last-call comments they receive. Please always = CC > > > tsv-art@ietf.org if you reply to or forward this review. > > > > > > -- Document -- > > > > > > PCEP Extensions for MPLS-TE LSP Automatic Bandwidth Adjustment with > > > Stateful PCE > > > draft-ietf-pce-stateful-pce-auto-bandwidth-10 > > > > > > Reviewer: David Black (david.black@dell.com) > > > > > > This draft describes a stateful bandwidth auto-adjustment protocol fo= r PCE > > > (Path Computation Element) bandwidth adjustment of LSPs (Label > > Switched Paths). > > > > > > >From a Transport perspective, an important concern is how this bandw= idth > > > auto-adjustment interacts with transport protocol reaction to network > > > conditions. These two phenomena should occur on vastly different time= scales, > > > so that any transport protocol reactions to a bandwidth adjustment ha= ve > > > settled out before bandwidth samples are taken for the next bandwidth > > > adjustment. If the transport protocol reactions and bandwidth adjust= ments > > > occur on similar timescales, undesirable interactions (e.g., oscillat= ion) > > > become possible. Such undesirable interactions need to be avoided. > > > > > > The design center of this draft avoids these undesirable interactions= , as > > > the default sample interval of 5 minutes is much longer than the RTT-= based > > > (RTT =3D Round Trip Time) reaction times of transport protocols. How= ever, > > > RTT is not the relevant metric here, e.g., as the initial BBR congest= ion > > > control algorithm specified a probe of network conditions every 10 se= conds. > > > 5 minutes (more than an order of magnitude larger than 10 seconds) is= still > > > a reasonable sample interval, but in the extreme, the bandwidth auto- > > > adjustment protocol in this draft is capable of sampling network band= width > > > and reacting to it every second, which could cause undesirable intera= ctions > > > with transport protocols (e.g., that employ BBR with a 10 second prob= e > > > interval). The sample interval is of primary concern here, as the pr= otocol > > > adjusts bandwidth based on a single sample, namely the largest bandwi= dth > > > observed in the adjustment interval. > > > > > > This reviewer expects that network operators would not configure such > > > extreme parameters, and hence believes that the draft contains some u= nstated > > > assumptions and/or recommendations about reasonable vs. unreasonable = parameter > > > settings. Those assumptions ought to be stated, e.g., sample interval > > > SHOULD NOT be less than 1 minute. There's nothing special about 1 mi= nute - > > > it's an easy-to-express amount of time that appears to suffice to avo= id > > > potential interactions with transport protocols - the draft authors a= re > > > strongly encouraged to propose alternative values and/or text to addr= ess > > > this concern. > > > > > > > > > > How about adding something like this - > > > > Due care is required by the operator while setting a smaller Sample-= Interval > > to avoid any undesirable interaction with the transport protocols (i= f any) > > to make sure that any transport protocol reactions to a bandwidth ad= justment > > have settled out before bandwidth samples are taken for the next ban= dwidth > > adjustment. > > > > Thanks! > > Dhruv From nobody Wed Aug 28 22:15:38 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 46DD8120879; Wed, 28 Aug 2019 22:15:18 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YL_xKMfi7Hxe; Wed, 28 Aug 2019 22:15:16 -0700 (PDT) Received: from mail-io1-xd2a.google.com (mail-io1-xd2a.google.com [IPv6:2607:f8b0:4864:20::d2a]) (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 752EA120220; Wed, 28 Aug 2019 22:15:16 -0700 (PDT) Received: by mail-io1-xd2a.google.com with SMTP id z3so4454769iog.0; Wed, 28 Aug 2019 22:15:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=QcElg+9mHhPIBlJ7Mo9A/Or+EQehgMr14P0yFBjDk2U=; b=Y6HRm1z0a6QKojJltjZvQV6S07VbRdCeTwYFtNIPyC/raTMflGM0FU1JGZzXwI6wzg TA84a7tGVs1cTEPoLdwq3xFtRYhipnh5Z7yzfAIxBDOgZRQ7k3/aJJUC8I0m0aIAdlES rXdjMezCcWHERD/KIsek2IF+jVcOsOG+HFvp4/vez0QsQQVewYD7h6Lc3u1pUrZ2TmR2 H0Cgdb8VQF3sdt7KrVneu8eEI8pcZKJv6PLYwGqzpZ3roc/ybqVf/kbUNZu1Q0WIOFgJ yFqjIZfTTpct+MutML+jvpvLmCfAFjxsdOPXoviyYrMNuBs4wdLeRc8qoJUpejllhb2l YQzQ== 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=QcElg+9mHhPIBlJ7Mo9A/Or+EQehgMr14P0yFBjDk2U=; b=IOn6JllmRwI8EH5o7Nm+CQo6WmYNIljkmY02u+A88r4ZZ89DvYqa1Ujo639dX8ynHh /MK/hwlBFHZvB7AZGoKBRdsfVdmp/m1T3P2PusNzUG5C1lPmoVQH7HnAfF+2HnFsdrq7 j1vJeWK5yxbX48c4lyAktn1/ZuTsqaQGHDvPzXcjiL/RHN99y6q2ZW8UVPpvoWs9O5WO 0bQv/HEwd40/WEAmp7abcS6aepywS89WvNT1rOzYmhD3ifWEd1KDTguiwX5d2gzryQ4h MTY9/hmwBm0Hr49qgNS76x/yHrNcdNwqFW5y5Eyvx4FcxN7+DZRFxRy3OKG0yEy44Vsf ierQ== X-Gm-Message-State: APjAAAX5Zx31PU3A/xLFp4qFQ9rLG8HDtWXZcoVkiHezd6zYLI6pKbbZ aFcXuFDmtNp7KwjSUUyaE+Yjbg1tIMF3j29XZF0= X-Google-Smtp-Source: APXvYqy4DS/rwK7f3Qjf6UrvST53JYfUbDkLRZhjtZUMzM1aZmNJkZ/IhkmG5dKYXXN9mW1ojknAiCqlxW9hB+kX11Q= X-Received: by 2002:a6b:b44c:: with SMTP id d73mr9090328iof.279.1567055715596; Wed, 28 Aug 2019 22:15:15 -0700 (PDT) MIME-Version: 1.0 References: <156684817455.30577.2295871305402533561@ietfa.amsl.com> In-Reply-To: From: Dhruv Dhody Date: Thu, 29 Aug 2019 10:44:39 +0530 Message-ID: To: "Joe Clarke (jclarke)" Cc: "ops-dir@ietf.org" , "pce@ietf.org" , "ietf@ietf.org Discussion" , "draft-ietf-pce-stateful-pce-auto-bandwidth.all@ietf.org" Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: Re: [Pce] Opsdir last call review of draft-ietf-pce-stateful-pce-auto-bandwidth-10 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Aug 2019 05:15:22 -0000 Hi Joe, On Wed, Aug 28, 2019 at 8:53 PM Joe Clarke (jclarke) wrote: > >> === > >> > >> In section 6.6, do you have any more concrete recommendations on a reasonable > >> limit of LSPs with auto-bandwidth that you have discovered from testing or > >> operational experience? Providing some data here may prove useful, even if it > >> is somewhat anecdotal. > >> > >> > > > > We discussed this and felt reluctance in putting a number down in the > > RFC, esp when we don't do it for our base published RFCs (ex. such as > > how many LSPs can be delegated to a PCE). I also checked with at least > > one vendor and was told that it is quite dependent on the deployment > > scenario and would let the operator decide. > > Maybe not a hard number, but is there any kind of example you could provide for a given scenario that provides clearer guidance on what kind of impact each one of these LSPs would present? > How is this - 6.6. Impact On Network Operations In order to avoid any unacceptable impact on network operations, an implementation SHOULD allow a limit to be placed on the number of LSPs that can be enabled with auto-bandwidth feature. For each LSP enabled with auto-bandwidth feature there is an extra load on PCC, as it needs to monitor the traffic and report the calculated bandwidth to be adjusted to the PCE. The PCE further re-compute paths based on the requested bandwidth and update the path to the PCC, which in turns triggers the re-signalling of the path. All these steps adds extra load and churn in the network and thus operator needs to take due care while enabling this features on a number of LSPs. Thanks! Dhruv > Joe > From nobody Thu Aug 29 03:18:05 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BE52C120145; Thu, 29 Aug 2019 03:17:51 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NHCriNywwRTo; Thu, 29 Aug 2019 03:17:50 -0700 (PDT) Received: from mail-io1-xd2d.google.com (mail-io1-xd2d.google.com [IPv6:2607:f8b0:4864:20::d2d]) (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 5EE2312011C; Thu, 29 Aug 2019 03:17:47 -0700 (PDT) Received: by mail-io1-xd2d.google.com with SMTP id t3so5730780ioj.12; Thu, 29 Aug 2019 03:17:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=xCTZD+WL68zDTYu5c80XbQbDDce4+hobZSNt9Wtp+Sk=; b=RjxyiQSqz5Ifk5cuUs4VBB5khezxXdyvratGhf4ID4o/RoyHASgI2CMaCURVoKZEuw 5ppZHlTgKFJTJmDsl/ajAs5x00rSMex5xTWM8KCePFTrOD7ur3ppwnz/YM26DGslsRiK W4HARF+ZincKIeMhcks+riY11YsHg2z8sNuDUzKW6fAfSJd9hGLLoX3W1q/RQ//6r/Dg lwnmnqEAA7gsOv3sl8hOZ7xObCge4vK/von6PMGhNUTjKetz5wgXY3PyqMflLFXNnQPM LSfTvfI9uvxaBg1qiJwAfMy0XNr4qde0btktO0kO3VncT0LT8WruU5lqbMC2u6J46z/2 pEUg== 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=xCTZD+WL68zDTYu5c80XbQbDDce4+hobZSNt9Wtp+Sk=; b=N4NkHjKZeFZpzwkBL2EPEYTHNfa7WAVgnnq/c1EV4UukVwD0Fz/DqFdyRGCD1gJJcy zwK6pequEkVrWwcsgfobLoIxY5X7CiDZ4Rb60DxIHSIkTMGoHzdyJi9deRXOqLZeBACu agepjuByDjQN58vOXkqxYK6jartTZeLWztkaCa93jPVoG1V7p8f7m0K0YkqexIM0OMom J/MRy7vFGYG5JZKoYndU1vNzpoVTdH0D3UiIOFdBlB9E4z9Pd1UhG/GYKR1Z3u44AO/Y UhHFAyZV9/yqWQinpBaHBKs028Ib9JgyWorqJdpXNWURFvtECzqs9/8VpRy66SCmwxlX 6alQ== X-Gm-Message-State: APjAAAWpRUuof+s+iajr3zaLgrtL6m9GJEMtEnSf4PY8+32+tqjnCjnp AcxJgILOBR/of8IQMQzzCFhIIwaJxGPfLtlduyQ= X-Google-Smtp-Source: APXvYqy/oQ/mSSQl5KOJ2gG5kC3kCwsWIytwdcU0vCTp8oYQkRqdH432hqZ9hHlr1+v++kpCuXQCqOh9TC2CiQaeYMM= X-Received: by 2002:a6b:c98c:: with SMTP id z134mr10073177iof.276.1567073866369; Thu, 29 Aug 2019 03:17:46 -0700 (PDT) MIME-Version: 1.0 References: <156704789212.1265.12949882127746399605@ietfa.amsl.com> In-Reply-To: <156704789212.1265.12949882127746399605@ietfa.amsl.com> From: Dhruv Dhody Date: Thu, 29 Aug 2019 15:47:08 +0530 Message-ID: To: Pete Resnick Cc: General Area Review Team , draft-ietf-pce-stateful-path-protection.all@ietf.org, pce@ietf.org, "ietf@ietf.org Discussion" Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: Re: [Pce] Genart last call review of draft-ietf-pce-stateful-path-protection-08 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Aug 2019 10:17:52 -0000 Hi Pete, Thanks for your review and nits. Just snipping to two points... > OLD > | PT | Path Protection Association Flags |S|P| > NEW > | PT | Unassigned |S|P| > I feel it is important to keep the name "flags" in the figure to match with the text following the figure. Also this seems to be our usual practice in past documents as well. We can change to just "flags" if you would prefer that? For context -> The format of the Path Protection Association TLV (Figure 1) is as follows: 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type = TBD2 | Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | PT | Path Protection Association Flags |S|P| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Figure 1: Path Protection Association TLV format Path Protection Association Flags (32 bits) - The following flags are currently defined - Protecting (P): 1 bit - This bit is as defined in Section 14.1 of [RFC4872] to indicate if the LSP is working or protection LSP. Secondary (S): 1 bit - This bit is as defined in Section 14.1 of [RFC4872] to indicate if the LSP is primary or secondary LSP. The S flag is ignored if the P flag is not set. Protection Type (PT): 6 bits - This field is as defined in Section 14.1 of [RFC4872] to indicate the LSP protection type in use. Unassigned bits are considered reserved. They MUST be set to 0 on transmission and MUST be ignored on receipt. > Section 6: > > At the top of the section, I suggest putting in the following: > > [Note to RFC Editor and IANA: Sections 3.1, 3.2, and 4.5 contain "TBD1" through > "TBD5" those should be replaced by the values that IANA assigns. Also, Section > 4.5 includes several occurrences of the phrase "(Early allocation by IANA)"; > please confirm that the value mentioned there is correct and delete that phrase > from the document before publication.] > I would suggest the authors to remove the phrase "(Early allocation by IANA)" in the document now as the referenced draft is in RFC-EDITOR queue and the early allocation tag is removed in the IANA page - https://www.iana.org/assignments/pcep/pcep.xhtml#pcep-objects Thanks! 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Thu, 29 Aug 2019 14:41:14 +0000 From: "Joe Clarke (jclarke)" To: Dhruv Dhody CC: "ops-dir@ietf.org" , "pce@ietf.org" , "ietf@ietf.org Discussion" , "draft-ietf-pce-stateful-pce-auto-bandwidth.all@ietf.org" Thread-Topic: Opsdir last call review of draft-ietf-pce-stateful-pce-auto-bandwidth-10 Thread-Index: AQHVXW2mYWas/CAokESVW7PzSklw46cQrkgAgADoLICAAJ5OQg== Date: Thu, 29 Aug 2019 14:41:14 +0000 Message-ID: <00FA2735-878D-45E2-9034-DE0D0B13011F@cisco.com> References: <156684817455.30577.2295871305402533561@ietfa.amsl.com> , In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=jclarke@cisco.com; x-originating-ip: [136.179.21.70] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: c3e7f870-f0e5-4ccd-27b9-08d72c8ef16e x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600166)(711020)(4605104)(1401327)(2017052603328)(7193020); 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: c3e7f870-f0e5-4ccd-27b9-08d72c8ef16e X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Aug 2019 14:41:14.2041 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: hZ+NLNBqehU0YKCZHDf2WG32WFnGZdEO8/uCevRiMk69CnoCMB0nnx3ECEYsMxBICH3H0vTh9pk4J1B2RejznQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR11MB4347 X-OriginatorOrg: cisco.com X-Outbound-SMTP-Client: 173.37.102.23, xch-rcd-013.cisco.com X-Outbound-Node: alln-core-10.cisco.com Archived-At: Subject: Re: [Pce] Opsdir last call review of draft-ietf-pce-stateful-pce-auto-bandwidth-10 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Aug 2019 14:41:20 -0000 This is more informative as to the risks/impact. Works for me. Thanks. Joe PGP Key : https://www.marcuscom.com/pgp.asc > On Aug 28, 2019, at 22:15, Dhruv Dhody wrote: >=20 > Hi Joe, >=20 > On Wed, Aug 28, 2019 at 8:53 PM Joe Clarke (jclarke) = wrote: >=20 >>>> =3D=3D=3D >>>>=20 >>>> In section 6.6, do you have any more concrete recommendations on a rea= sonable >>>> limit of LSPs with auto-bandwidth that you have discovered from testin= g or >>>> operational experience? Providing some data here may prove useful, ev= en if it >>>> is somewhat anecdotal. >>>>=20 >>>>=20 >>>=20 >>> We discussed this and felt reluctance in putting a number down in the >>> RFC, esp when we don't do it for our base published RFCs (ex. such as >>> how many LSPs can be delegated to a PCE). I also checked with at least >>> one vendor and was told that it is quite dependent on the deployment >>> scenario and would let the operator decide. >>=20 >> Maybe not a hard number, but is there any kind of example you could prov= ide for a given scenario that provides clearer guidance on what kind of imp= act each one of these LSPs would present? >>=20 >=20 > How is this - >=20 > 6.6. Impact On Network Operations >=20 > In order to avoid any unacceptable impact on network operations, an > implementation SHOULD allow a limit to be placed on the number of > LSPs that can be enabled with auto-bandwidth feature. For each LSP > enabled with auto-bandwidth feature there is an extra load on PCC, as > it needs to monitor the traffic and report the calculated bandwidth > to be adjusted to the PCE. The PCE further re-compute paths based on > the requested bandwidth and update the path to the PCC, which in > turns triggers the re-signalling of the path. All these steps adds > extra load and churn in the network and thus operator needs to take > due care while enabling this features on a number of LSPs. >=20 > Thanks! > Dhruv >=20 >> Joe >>=20 From nobody Thu Aug 29 07:47:29 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id F007B120128; Thu, 29 Aug 2019 07:47:20 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: pce@ietf.org Message-ID: <156709004092.21147.5093190911670132553@ietfa.amsl.com> Date: Thu, 29 Aug 2019 07:47:20 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-stateful-pce-auto-bandwidth-11.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Aug 2019 14:47:21 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : PCEP Extensions for MPLS-TE LSP Automatic Bandwidth Adjustment with Stateful PCE Authors : Dhruv Dhody Rakesh Gandhi Udayasree Palle Ravi Singh Luyuan Fang Filename : draft-ietf-pce-stateful-pce-auto-bandwidth-11.txt Pages : 32 Date : 2019-08-29 Abstract: The Path Computation Element Communication Protocol (PCEP) provides mechanisms for Path Computation Elements (PCEs) to perform path computations in response to Path Computation Clients (PCCs) requests. The Stateful PCE extensions allow stateful control of Multi-Protocol Label Switching (MPLS) Traffic Engineering Label Switched Paths (TE LSPs) using PCEP. The automatic bandwidth feature allows automatic and dynamic adjustment of the TE LSP bandwidth reservation based on the volume of traffic flowing through the LSP. This document describes PCEP extensions for automatic bandwidth adjustment when employing an Active Stateful PCE for both PCE-Initiated and PCC-Initiated LSPs. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-pce-auto-bandwidth/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-stateful-pce-auto-bandwidth-11 https://datatracker.ietf.org/doc/html/draft-ietf-pce-stateful-pce-auto-bandwidth-11 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-stateful-pce-auto-bandwidth-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 Thu Aug 29 07:51:37 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5AAD812085C; Thu, 29 Aug 2019 07:50:58 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.748 X-Spam-Level: X-Spam-Status: No, score=-1.748 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-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 aydrC6xs4-B2; Thu, 29 Aug 2019 07:50:57 -0700 (PDT) Received: from mail-io1-xd2c.google.com (mail-io1-xd2c.google.com [IPv6:2607:f8b0:4864:20::d2c]) (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 E6754120127; Thu, 29 Aug 2019 07:50:56 -0700 (PDT) Received: by mail-io1-xd2c.google.com with SMTP id u185so3638546iod.10; Thu, 29 Aug 2019 07:50:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to:cc; bh=72jdzGhiMlSJ6+tGzbPiBBaMaJD8zlgQjNASUR056Ec=; b=D5F2XDaSxR6TdYHCvy+o2F/EzbMtJ9OFI8D5yKmpVqHTdC8WLsVZD0V9ZfKoXv9Ehi 5qMh7HzYL+KcfKh/yjL8009ty+/YScHIkdkHzQPPDihN+XknseIsaIvcnpnIURCZhxWP FvuN5mmivGVeQEC8dr/Rk/Ac5hS2Z4Jf/+aX/PrvXsETYCFfH05EFqQO8iCfRKBQgO0p N6XR1hxpkdDSDHuak24jiCNtUJkDTL6sd8U8GocmoH+kKf3tOGT2fm015raL7SSpTnQU dhp7mc2ynUAhAbWF3YFNWUhJxgDQE1onrx151J6GalpcX0EKuQbrxwUT6A9HuaKeAo8s kwDg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=72jdzGhiMlSJ6+tGzbPiBBaMaJD8zlgQjNASUR056Ec=; b=EE8BwNrRvQGb6D5d+HneQOAgzYSyIBqQXQPd9m/+kgBaRzPl3vZBYwrWFOuIZaqe22 xx23JnyMx1esA4+C6+JHYBq8xXmKhOrOm07z9FDyfx8/t7q0jAbzDrx2KUUC4BvVrX28 u6zvtrnkQ2IWmJNKVy3a/Ek+i3drAvAxkOHMC9v5xPErat5JDJAOyOuPGRpWEOSCgksQ Mf7dVOoE40NiacILDmt6vTbt7fSEfBkbNCiwgETgzQc5S6KJiLMBD0hrobxCmCmAmWD4 iakZbcgG1OddmVPzgEi2NhoppgjQCRmImkuvBse0l+I5WB+GUB6Lhg+/1FOTLbBwvYSu iyeg== X-Gm-Message-State: APjAAAUuXbzU0Yi1Sc9lkg88RsybTzzen6WZXLJ8kd5oajqDU4HtEkm2 GkNIhIjDhnM1VDwSvk0DCyydqGn8LWpGtDK1Jbszcw== X-Google-Smtp-Source: APXvYqz2N8jNmFUmkouIhts3/mO8kR/09mB7IyZoPw6575aK8a529ogEChwlP9IvV4eOmu4rKcygH8iQ+gbLWSuRZNw= X-Received: by 2002:a5e:9741:: with SMTP id h1mr406585ioq.24.1567090255706; Thu, 29 Aug 2019 07:50:55 -0700 (PDT) MIME-Version: 1.0 From: Donald Eastlake Date: Thu, 29 Aug 2019 10:50:44 -0400 Message-ID: To: "iesg@ietf.org" , draft-ietf-pce-stateful-path-protection.all@ietf.org Cc: secdir , pce@ietf.org Content-Type: multipart/alternative; boundary="00000000000005bd58059142a2ff" Archived-At: Subject: [Pce] SECDIR review of draft-ietf-pce-stateful-path-protection X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Aug 2019 14:51:02 -0000 --00000000000005bd58059142a2ff Content-Type: text/plain; charset="UTF-8" I have reviewed this document as part of the Security Directorate's ongoing effort to review all IETF documents being processed by the IESG. Document editors and WG chairs should treat these comments just like any other last call comments. The summary of the review is Almost Ready. This document specifies an extension to the stateful Path Computation Element Communication Protocol to associate two or more Label Switched Paths for the purpose of setting up path protection. This is not at all my area of expertise. The Security Considerations section primarily refers to the Security Considerations in existing RFCs and one draft, draft-ietf-pce-association-group (which is already in the RFC Editor queue). I think these references are pretty thorough and provide good security coverage and advice with one possible exception. Given that this document specifies a new facility, it seems likely that a few narrow sentences would be in order about the damage an adversary could cause by specifically monkeying with that new facility. Tiny nits: In abstract and other places when referring to what this standards track draft does: "describes" -> "specifies" or "defines" Draft references draft-ietf-pce-association-diversity-08 when latest version is -09 Thanks, Donald =============================== Donald E. Eastlake 3rd +1-508-333-2270 (cell) 1424 Pro Shop Court, Davenport, FL 33896 USA d3e3e3@gmail.com --00000000000005bd58059142a2ff Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I have reviewed this document as part of the Security Dire= ctorate's=C2=A0ongoing effort to review all IETF documents being proces= sed by the IESG.=C2=A0 Document editors and WG chairs should treat these co= mments just like any other last call comments.

The summary of the re= view is Almost Ready.

This document specifies an extensi= on to the stateful Path Computation Element Communication Protocol to assoc= iate two or more Label Switched Paths for the purpose of setting up path pr= otection.

This is not at all my area of expertise. T= he Security Considerations section primarily refers to the Security Conside= rations in existing RFCs and one draft, draft-ietf-pce-association-group (w= hich is already in the RFC Editor queue). I think these references are pret= ty thorough and provide good security coverage and advice with one possible= exception. Given that this document specifies a new facility, it seems lik= ely that a few narrow sentences would be in order about the damage an adver= sary could cause by specifically monkeying with that new facility.

Tiny nits:=C2=A0
In abstract and other places wh= en referring to what this standards track draft does: "describes"= -> "specifies" or "defines"
Draft referen= ces draft-ietf-pce-association-diversity-08 when latest version is -09

Thanks,
Donald
= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D
=C2=A0Donald E. Eastlake 3rd =C2=A0 +1-508-333-2270 (= cell)
=C2=A01424 Pro Shop Court, Davenport, FL 33896 USA
=C2=A0d3e3e3@gmail.com
<= /div>
--00000000000005bd58059142a2ff-- From nobody Thu Aug 29 08:55:50 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id DEE00120946; Thu, 29 Aug 2019 08:55:48 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=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 ScpLHgOxpZ24; Thu, 29 Aug 2019 08:55:47 -0700 (PDT) Received: from episteme.net (episteme.net [216.169.5.102]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 010E51200F6; Thu, 29 Aug 2019 08:55:46 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by episteme.net (Postfix) with ESMTP id 65BEA8AB397D; Thu, 29 Aug 2019 10:55:43 -0500 (CDT) Received: from episteme.net ([127.0.0.1]) by localhost (episteme.net [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id p2u_uV0hFBmg; Thu, 29 Aug 2019 10:55:39 -0500 (CDT) Received: from [172.16.1.18] (episteme.net [216.169.5.102]) by episteme.net (Postfix) with ESMTPSA id 50AB98AB3974; Thu, 29 Aug 2019 10:55:39 -0500 (CDT) From: "Pete Resnick" To: "Dhruv Dhody" Cc: "General Area Review Team" , draft-ietf-pce-stateful-path-protection.all@ietf.org, pce@ietf.org, Discussion Date: Thu, 29 Aug 2019 10:55:38 -0500 X-Mailer: MailMate (1.12.5r5635) Message-ID: In-Reply-To: References: <156704789212.1265.12949882127746399605@ietfa.amsl.com> MIME-Version: 1.0 Content-Type: text/plain; format=flowed Archived-At: Subject: Re: [Pce] Genart last call review of draft-ietf-pce-stateful-path-protection-08 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Aug 2019 15:55:49 -0000 Hi Dhruv, On 29 Aug 2019, at 5:17, Dhruv Dhody wrote: > Hi Pete, > > Thanks for your review and nits. Just snipping to two points... > >> OLD >> | PT | Path Protection Association Flags >> |S|P| >> NEW >> | PT | Unassigned >> |S|P| >> > > I feel it is important to keep the name "flags" in the figure to match > with the text following the figure. Also this seems to be our usual > practice in past documents as well. We can change to just "flags" if > you would prefer that? > > For context -> > > The format of the Path Protection Association TLV (Figure 1) is as > follows: > > 0 1 2 3 > 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > | Type = TBD2 | Length | > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > | PT | Path Protection Association Flags |S|P| > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > > Figure 1: Path Protection Association TLV format > > Path Protection Association Flags (32 bits) - The following flags > are > currently defined - So this is what confused me about the diagram: "Path Protection Association Flags" is the entire 32-bit field, which includes PT, S, and P. But in the diagram, you have the unassigned 24 bits labeled "Path Protection Association Flags", which seems incorrect. Perhaps "Unassigned Flags" would be best. >> Section 6: >> >> At the top of the section, I suggest putting in the following: >> >> [Note to RFC Editor and IANA: Sections 3.1, 3.2, and 4.5 contain >> "TBD1" through >> "TBD5" those should be replaced by the values that IANA assigns. >> Also, Section >> 4.5 includes several occurrences of the phrase "(Early allocation by >> IANA)"; >> please confirm that the value mentioned there is correct and delete >> that phrase >> from the document before publication.] >> > > I would suggest the authors to remove the phrase "(Early allocation by > IANA)" in the document now as the referenced draft is in RFC-EDITOR > queue and the early allocation tag is removed in the IANA page - > https://www.iana.org/assignments/pcep/pcep.xhtml#pcep-objects That's fine too. pr -- Pete Resnick http://www.episteme.net/ All connections to the world are tenuous at best From nobody Fri Aug 30 11:14:19 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 72F9A120B70; Fri, 30 Aug 2019 11:14:10 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1ZIU5r2oO8kW; Fri, 30 Aug 2019 11:14:08 -0700 (PDT) Received: from mail-io1-xd2e.google.com (mail-io1-xd2e.google.com [IPv6:2607:f8b0:4864:20::d2e]) (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 8AA7012096A; Fri, 30 Aug 2019 11:14:08 -0700 (PDT) Received: by mail-io1-xd2e.google.com with SMTP id n197so13892964iod.9; Fri, 30 Aug 2019 11:14:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to:cc; bh=Unkjhh5T+ENfR5Nn09pVA1LKsKnBFLRpQN9r2dTKytI=; b=cF2+QKQHD4XgEpWH+mZNCGyUVBPBBqNBBa/sHXqm+kM+uas4JTrO0wkJ+8ifL9ZeLK EzpR1HhiyJBTarz6zzfFFY4UJQ0LClZdDFJtwN5rGR/tj2I6D44kUXdDz3pHCchQBMA0 IJViVJYszZ8AqJs6Nauz2YBNduP6AYmVedOEKXBksSu7iUV2nA2+kFwiOW67qjPRCd5m FXvwYcecqSQoIL0VjaFa3djCjbxMb5qCshDEz7uFBFZiZtaz1A279gXxJ1EVZMZeBVf+ 9s1m+PkokL6lnnl1V0CkLs+u6OE+l9fyhVTiPYMbn25xkWLO3nRe371LUUV5n/Hb75mP 5hjA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=Unkjhh5T+ENfR5Nn09pVA1LKsKnBFLRpQN9r2dTKytI=; b=uhHshUllkeF29qYb3b3iuQPZoQqcDkbGT7HFEvCsVh/r3/JK7Koar9c0rYEVV4JLRJ 1bufWeXwewyZ2igGIrc2oSiNvSgvHC1DCV/keLVWPttUtY13VyMfY0k9ofukpv5O1fUE vCGI9mKWTxdUILdl3vT3jjAO8F5V/PebS8Ea+7bteE2qpaESh/L68Qf+BTe00YdnC1SA 0FxGNn3jMnbmhIJAYpbOyVFFFN/Nm9WFXX2Dj4lm6B6T8WsRVV+bxsYCSEql4KwtjBOf EGfA6jnwARKxLze7v2tWoDeSoqMEN1YZfI+QFvH5NTG7075Z8AZOTVoUcnq7XxRyMUZ+ CLEw== X-Gm-Message-State: APjAAAV0teguyMuewn7ALnXMISdwWmLchulkZlnuE8h4cJOkSwrmOk5y qg/M6llSqf3cLH9goB7mz+k5c2J4UuhOuZgXN6OOzFDU X-Google-Smtp-Source: APXvYqyTqHtP/tM8i3s24p6E1daPO35mKbpy1kTP/O/orY2H29752Hv+o+pGL2uZqzVcbqzT+8UFZQzQ1l+JIJDKoik= X-Received: by 2002:a5e:c301:: with SMTP id a1mr13404699iok.1.1567188847582; Fri, 30 Aug 2019 11:14:07 -0700 (PDT) MIME-Version: 1.0 From: Dhruv Dhody Date: Fri, 30 Aug 2019 23:43:31 +0530 Message-ID: To: pce@ietf.org Cc: pce-chairs Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: [Pce] WG LC for draft-farrel-pce-stateful-flags-01 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Aug 2019 18:14:18 -0000 Hi WG, This email starts a 'working group last call' for draft-farrel-pce-stateful-flags-01 [1]. This I-D is focused and has an uncontroversial fix to RFC 8231, we are moving it directly to WGLC. See [2] for context. Please indicate your support or concern for this draft. If you are opposed to the progression of the draft, please articulate your concern. If you support, please indicate that you have read the latest version and it is ready for publication. As always, review comments and nits are most welcome. The WG LC will end on 16th September 2019. Thanks, PCE Chairs [1] https://datatracker.ietf.org/doc/draft-farrel-pce-stateful-flags/ [2] https://mailarchive.ietf.org/arch/msg/pce/tTkJKO34xTD0CY48IJCk5FjmiJ4 From nobody Fri Aug 30 11:14:51 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id EA53E120A9A; Fri, 30 Aug 2019 11:14:48 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: IETF Secretariat To: , , X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <156718888895.25767.7070244027796113191.idtracker@ietfa.amsl.com> Date: Fri, 30 Aug 2019 11:14:48 -0700 Archived-At: Subject: [Pce] The PCE WG has placed draft-farrel-pce-stateful-flags in state "In WG Last Call" X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Aug 2019 18:14:49 -0000 The PCE WG has placed draft-farrel-pce-stateful-flags in state In WG Last Call (entered by Dhruv Dhody) The document is available at https://datatracker.ietf.org/doc/draft-farrel-pce-stateful-flags/ From nobody Fri Aug 30 13:08:32 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 56AEB1208E6 for ; Fri, 30 Aug 2019 13:08:30 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.597 X-Spam-Level: X-Spam-Status: No, score=-2.597 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Zz8g0dxI1ELl for ; Fri, 30 Aug 2019 13:08:28 -0700 (PDT) Received: from mta7.iomartmail.com (mta7.iomartmail.com [62.128.193.157]) (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 276101201E4 for ; Fri, 30 Aug 2019 13:08:27 -0700 (PDT) Received: from vs2.iomartmail.com (vs2.iomartmail.com [10.12.10.123]) by mta7.iomartmail.com (8.14.4/8.14.4) with ESMTP id x7UK8O9f023739; Fri, 30 Aug 2019 21:08:24 +0100 Received: from vs2.iomartmail.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B633B22044; Fri, 30 Aug 2019 21:08:23 +0100 (BST) Received: from asmtp3.iomartmail.com (unknown [10.12.10.224]) by vs2.iomartmail.com (Postfix) with ESMTPS id A176222042; Fri, 30 Aug 2019 21:08:23 +0100 (BST) Received: from LAPTOPK7AS653V ([87.112.72.158]) (authenticated bits=0) by asmtp3.iomartmail.com (8.14.4/8.14.4) with ESMTP id x7UK8L45027812 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Fri, 30 Aug 2019 21:08:22 +0100 Reply-To: From: "Adrian Farrel" To: "'Dhruv Dhody'" , References: In-Reply-To: Date: Fri, 30 Aug 2019 21:08:20 +0100 Organization: Old Dog Consulting Message-ID: <044c01d55f6e$ac889090$0599b1b0$@olddog.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQG8dGHnEK4kuNUolxVarRClrbqfb6dF8zLQ Content-Language: en-gb X-Originating-IP: 87.112.72.158 X-Thinkmail-Auth: adrian@olddog.co.uk X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSVA-9.0.0.1623-8.2.0.1013-24880.002 X-TM-AS-Result: No--7.137-10.0-31-10 X-imss-scan-details: No--7.137-10.0-31-10 X-TMASE-Version: IMSVA-9.0.0.1623-8.2.1013-24880.002 X-TMASE-Result: 10--7.136900-10.000000 X-TMASE-MatchedRID: VfovoVrt/obxIbpQ8BhdbBlJRfzNw8af4NNiN6MhlPAFULT2r78MzxXL d7d35YRWAWMdzSV1IwYG05704LAXLra2Vh2jQ2eEsgYw1+LBrk0HmzHO3TfA+EE3/qvOjgFL5SS t+JCedIQ1oYy0lKlGvXCDMwsd1lhtSE6rUh/Ulkm8coKUcaOOvSposqyRzYdymbdPE3zcujjogA cDsxzwtTxDZ/HDcc0cQQmdco5l6bzyqOXlooGbLoVMtEwAWsdcTmb4S36qG99SAxvL+nqAnVPWu s3yxQNWrNcivV21iDuRk6XtYogiau9c69BWUTGwU6baA36eiazEQdG7H66TyH4gKq42LRYkV7Cz kK995h5bTnGbZuZXzXOfpkHrOw2MZp1yvdj9SKh+3BndfXUhXQ== X-TMASE-SNAP-Result: 1.821001.0001-0-1-12:0,22:0,33:0,34:0-0 Archived-At: Subject: Re: [Pce] WG LC for draft-farrel-pce-stateful-flags-01 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Aug 2019 20:08:31 -0000 Dhruv, WG, You'll be unsurprised to know I think this document is ready to proceed. I've even read it. Adrian -----Original Message----- From: Dhruv Dhody Sent: 30 August 2019 19:14 To: pce@ietf.org Cc: pce-chairs Subject: WG LC for draft-farrel-pce-stateful-flags-01 Hi WG, This email starts a 'working group last call' for draft-farrel-pce-stateful-flags-01 [1]. This I-D is focused and has an uncontroversial fix to RFC 8231, we are moving it directly to WGLC. See [2] for context. Please indicate your support or concern for this draft. If you are opposed to the progression of the draft, please articulate your concern. If you support, please indicate that you have read the latest version and it is ready for publication. As always, review comments and nits are most welcome. The WG LC will end on 16th September 2019. Thanks, PCE Chairs [1] https://datatracker.ietf.org/doc/draft-farrel-pce-stateful-flags/ [2] https://mailarchive.ietf.org/arch/msg/pce/tTkJKO34xTD0CY48IJCk5FjmiJ4 From nobody Sat Aug 31 02:28:30 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 532FC120046; Sat, 31 Aug 2019 02:28:16 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: pce@ietf.org Message-ID: <156724369625.15174.733831374576914431@ietfa.amsl.com> Date: Sat, 31 Aug 2019 02:28:16 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-stateful-path-protection-09.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 31 Aug 2019 09:28:16 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : PCEP Extensions for Associating Working and Protection LSPs with Stateful PCE Authors : Hariharan Ananthakrishnan Siva Sivabalan Colby Barth Ina Minei Mahendra Singh Negi Filename : draft-ietf-pce-stateful-path-protection-09.txt Pages : 16 Date : 2019-08-31 Abstract: An active stateful Path Computation Element (PCE) is capable of computing as well as controlling via Path Computation Element Communication Protocol (PCEP) Multiprotocol Label Switching Traffic Engineering Label Switched Paths (MPLS LSP). Furthermore, it is also possible for an active stateful PCE to create, maintain, and delete LSPs. This document describes PCEP extension to associate two or more LSPs to provide end-to-end path protection. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-path-protection/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-stateful-path-protection-09 https://datatracker.ietf.org/doc/html/draft-ietf-pce-stateful-path-protection-09 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-stateful-path-protection-09 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 Sat Aug 31 02:31:31 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 01872120048; Sat, 31 Aug 2019 02:31:23 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Xrk6XiMCJKdS; Sat, 31 Aug 2019 02:31:20 -0700 (PDT) Received: from mail-oi1-x231.google.com (mail-oi1-x231.google.com [IPv6:2607:f8b0:4864:20::231]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C9175120046; Sat, 31 Aug 2019 02:31:20 -0700 (PDT) Received: by mail-oi1-x231.google.com with SMTP id l2so7261750oil.0; Sat, 31 Aug 2019 02:31:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=dGH1wjkLMBR+USsdqqpK+nYvT4ioMv/ja8tyr1qeurw=; b=QFBgfB/Z3VF1KQwgoFZikaQIgk+ZPlkGkXV9BP513pliVr0u9ahGKP6SLKTMtSVcNT 7oJt9zLn2nF4Vr0gPXYFYMRg27k8emWSgD8FY3qN8m/eWhIMUccgLtvAK5sUUhYoFFux T8+yvgPfiH/VpQaBRT/g26pToF8lMQ4U3GqNhUaG7C1Nx949bth3zkdxXDLllCiU3Krq Oblad7dJ0ZQrU3SesI1wYQW5cWAng41o+0duWrEQIOcyrQbjm2TuNKBhuySYDMwLig9i JMZ+z1qKJZCxSJQ3k4OI4ZeGp9WVGUV+Tsp9QdLol5cXmMcVA1cG4AjvvPTuzUxM2Tz3 jeGA== 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=dGH1wjkLMBR+USsdqqpK+nYvT4ioMv/ja8tyr1qeurw=; b=lRI99F46AkbVN+Tf+YuYHsdG5dGpaxF4ZfbHi7Qfg1Kk/yNNlgTLKRAUdnoMaNZUm+ KTytRq7EvS1AO0/G6YWOgtjBbnzBCpeMh8o8d+07kvQXdWPBWp1fCf2up/7aGU6q/Xn5 wAFZ4ZlxFXTikqzUu3o+MQXBA82SZSxSp8c2Y49rKRO9IqhmJSz1IiDrjl7uKrpbNFFJ pSy5uRHWoboi0jbuVLFl9fIi7hqRAorcz29y8NBRmzPUAmhr7qXGbXUBKPN7036VGfgc vHMEhJCiKielR1KGa1JZdCcthpmrrlh/bSDpWGbjFx2TLP0uY+r+5nFR6TvhOXkrsZBd sTxw== X-Gm-Message-State: APjAAAWObi/mhxNz0DN/kg6L1sSH7mxd115v8qgCICKJfEa/dNQ/VCgy JcJ25STOtLRfUSNUZzaZgvHQzOLRXIh4FCwtbw4= X-Google-Smtp-Source: APXvYqz6qHyRic/87ky9Ju9M0/SvK7BIHPkH6QAKc4/umM+HeeU4AH5xC6smzeN2KEMPM4MmSrJIs7JUS+zwKFO7BpI= X-Received: by 2002:aca:6742:: with SMTP id b2mr13069474oiy.14.1567243880107; Sat, 31 Aug 2019 02:31:20 -0700 (PDT) MIME-Version: 1.0 References: <156704789212.1265.12949882127746399605@ietfa.amsl.com> In-Reply-To: From: Mahend Negi Date: Sat, 31 Aug 2019 15:01:09 +0530 Message-ID: To: Dhruv Dhody , resnick@episteme.net Cc: General Area Review Team , draft-ietf-pce-stateful-path-protection.all@ietf.org, pce@ietf.org, "ietf@ietf.org Discussion" Content-Type: multipart/alternative; boundary="000000000000c013030591666603" Archived-At: Subject: Re: [Pce] Genart last call review of draft-ietf-pce-stateful-path-protection-08 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 31 Aug 2019 09:31:23 -0000 --000000000000c013030591666603 Content-Type: text/plain; charset="UTF-8" Hi Dhruv/Pete, Thanks for the review, new version handles the comments. FYI: New Version: https://datatracker.ietf.org/doc/html/draft-ietf-pce-stateful-path-protection Diff : https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-stateful-path-protection-09 Thanks, Mahendra On Thu, Aug 29, 2019 at 3:47 PM Dhruv Dhody wrote: > Hi Pete, > > Thanks for your review and nits. Just snipping to two points... > > > OLD > > | PT | Path Protection Association Flags |S|P| > > NEW > > | PT | Unassigned |S|P| > > > > I feel it is important to keep the name "flags" in the figure to match > with the text following the figure. Also this seems to be our usual > practice in past documents as well. We can change to just "flags" if > you would prefer that? > > For context -> > > The format of the Path Protection Association TLV (Figure 1) is as > follows: > > 0 1 2 3 > 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > | Type = TBD2 | Length | > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > | PT | Path Protection Association Flags |S|P| > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > > Figure 1: Path Protection Association TLV format > > Path Protection Association Flags (32 bits) - The following flags are > currently defined - > > Protecting (P): 1 bit - This bit is as defined in Section 14.1 of > [RFC4872] to indicate if the LSP is working or protection LSP. > > Secondary (S): 1 bit - This bit is as defined in Section 14.1 of > [RFC4872] to indicate if the LSP is primary or secondary LSP. The > S flag is ignored if the P flag is not set. > > Protection Type (PT): 6 bits - This field is as defined in > Section 14.1 of [RFC4872] to indicate the LSP protection type in > use. > > Unassigned bits are considered reserved. They MUST be set to 0 on > transmission and MUST be ignored on receipt. > > > > Section 6: > > > > At the top of the section, I suggest putting in the following: > > > > [Note to RFC Editor and IANA: Sections 3.1, 3.2, and 4.5 contain "TBD1" > through > > "TBD5" those should be replaced by the values that IANA assigns. Also, > Section > > 4.5 includes several occurrences of the phrase "(Early allocation by > IANA)"; > > please confirm that the value mentioned there is correct and delete that > phrase > > from the document before publication.] > > > > I would suggest the authors to remove the phrase "(Early allocation by > IANA)" in the document now as the referenced draft is in RFC-EDITOR > queue and the early allocation tag is removed in the IANA page - > https://www.iana.org/assignments/pcep/pcep.xhtml#pcep-objects > > Thanks! > Dhruv > --000000000000c013030591666603 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Dhruv/Pete,

Thanks for th= e review, new version handles the comments.

FYI:
Diff=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0 :=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-pce-= stateful-path-protection-09

Thanks,
= Mahendra

On Thu, Aug 29, 2019 at 3:47 PM Dhruv Dhody <dhruv.ietf@gmail.com> wrote:
Hi Pete,

Thanks for your review and nits. Just snipping to two points...

> OLD
>=C2=A0 =C2=A0 =C2=A0 |=C2=A0 =C2=A0PT=C2=A0 =C2=A0 =C2=A0 |=C2=A0 =C2= =A0 =C2=A0Path Protection Association Flags=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0|S|P|
> NEW
>=C2=A0 =C2=A0 =C2=A0 |=C2=A0 =C2=A0PT=C2=A0 =C2=A0 =C2=A0 |=C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Unassigned=C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0|S|P|
>

I feel it is important to keep the name "flags" in the figure to = match
with the text following the figure. Also this seems to be our usual
practice in past documents as well. We can change to just "flags"= if
you would prefer that?

For context ->

=C2=A0 =C2=A0The format of the Path Protection Association TLV (Figure 1) i= s as
=C2=A0 =C2=A0follows:

=C2=A0 =C2=A0 =C2=A00=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A01=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A02=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A03
=C2=A0 =C2=A0 =C2=A00 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7= 8 9 0 1
=C2=A0 =C2=A0 =C2=A0+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+= -+-+-+-+-+
=C2=A0 =C2=A0 =C2=A0|=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Type =3D TBD2=C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0|=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 Length=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0|
=C2=A0 =C2=A0 =C2=A0+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+= -+-+-+-+-+
=C2=A0 =C2=A0 =C2=A0|=C2=A0 =C2=A0PT=C2=A0 =C2=A0 =C2=A0 |=C2=A0 =C2=A0 =C2= =A0Path Protection Association Flags=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0|S|P|=
=C2=A0 =C2=A0 =C2=A0+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+= -+-+-+-+-+

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Figure 1: Path Protection A= ssociation TLV format

=C2=A0 =C2=A0Path Protection Association Flags (32 bits) - The following fl= ags are
=C2=A0 =C2=A0currently defined -

=C2=A0 =C2=A0 =C2=A0 Protecting (P): 1 bit - This bit is as defined in Sect= ion 14.1 of
=C2=A0 =C2=A0 =C2=A0 [RFC4872] to indicate if the LSP is working or protect= ion LSP.

=C2=A0 =C2=A0 =C2=A0 Secondary (S): 1 bit - This bit is as defined in Secti= on 14.1 of
=C2=A0 =C2=A0 =C2=A0 [RFC4872] to indicate if the LSP is primary or seconda= ry LSP.=C2=A0 The
=C2=A0 =C2=A0 =C2=A0 S flag is ignored if the P flag is not set.

=C2=A0 =C2=A0 =C2=A0 Protection Type (PT): 6 bits - This field is as define= d in
=C2=A0 =C2=A0 =C2=A0 Section 14.1 of [RFC4872] to indicate the LSP protecti= on type in
=C2=A0 =C2=A0 =C2=A0 use.

=C2=A0 =C2=A0 =C2=A0 Unassigned bits are considered reserved.=C2=A0 They MU= ST be set to 0 on
=C2=A0 =C2=A0 =C2=A0 transmission and MUST be ignored on receipt.


> Section 6:
>
> At the top of the section, I suggest putting in the following:
>
> [Note to RFC Editor and IANA: Sections 3.1, 3.2, and 4.5 contain "= ;TBD1" through
> "TBD5" those should be replaced by the values that IANA assi= gns. Also, Section
> 4.5 includes several occurrences of the phrase "(Early allocation= by IANA)";
> please confirm that the value mentioned there is correct and delete th= at phrase
> from the document before publication.]
>

I would suggest the authors to remove the phrase "(Early allocation by=
IANA)" in the document now as the referenced draft is in RFC-EDITOR queue and the early allocation tag is removed in the IANA page -
https://www.iana.org/assignments/pcep/p= cep.xhtml#pcep-objects

Thanks!
Dhruv
--000000000000c013030591666603-- From nobody Sat Aug 31 02:50:07 2019 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 9CE09120099; Sat, 31 Aug 2019 02:49:58 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.100.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: pce@ietf.org Message-ID: <156724499859.15190.15311077241826620380@ietfa.amsl.com> Date: Sat, 31 Aug 2019 02:49:58 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-association-diversity-10.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 31 Aug 2019 09:49:59 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element WG of the IETF. Title : Path Computation Element Communication Protocol (PCEP) Extension for LSP Diversity Constraint Signaling Authors : Stephane Litkowski Siva Sivabalan Colby Barth Mahendra Singh Negi Filename : draft-ietf-pce-association-diversity-10.txt Pages : 23 Date : 2019-08-31 Abstract: This document introduces a simple mechanism to associate a group of Label Switched Paths (LSPs) via an extension to the Path Computation Element (PCE) communication Protocol (PCEP) with the purpose of computing diverse paths for those LSPs. The proposed extension allows a Path Computation Client (PCC) to advertise to a PCE that a particular LSP belongs to a disjoint-group, thus the PCE knows that the LSPs in the same group need to be disjoint from each other. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-association-diversity/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-association-diversity-10 https://datatracker.ietf.org/doc/html/draft-ietf-pce-association-diversity-10 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-association-diversity-10 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 Sat Aug 31 02:53:37 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0B0481200A3; Sat, 31 Aug 2019 02:53:36 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tJ5lNwYK8-FW; Sat, 31 Aug 2019 02:53:32 -0700 (PDT) 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 A3D05120099; Sat, 31 Aug 2019 02:53:32 -0700 (PDT) Received: by mail-ot1-x32b.google.com with SMTP id 100so9324489otn.2; Sat, 31 Aug 2019 02:53:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=0PXK8UYwV8LwAMGYo1pS67PwitdQ58hZ/Dy5XA95oaI=; b=T0vFU8CTf7Rr08EUrIO4mFlyf912Sw8eYdRZ7ct8rQUqBU0H4oZ2cIe27kuE0LOSw8 h1zLVyRt7o+ckZjepSEhIDAslzMU1LxxeBkh4h4dL4NKY8OXtViUo6Bi3J38fT4W4P1J 2zzTfQ7WcX7/0+KHzeF9UmgW6hE3hmaCaDy1qih7tchmLb6tPifnuQj1/ar2+UA/YeIh UlBkHXkvX1PINXF9D0gavWe6BZIh48lVcVwPM8Jg0C4XmnTHJyqbXCKUbvQkGrhG2Zb2 DPKPSL04EvT6rACksy9Vx9/+kLbStN7JT1Fp0awt0da37lXkMZzZMwn977pour4DOksx ZtTQ== 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=0PXK8UYwV8LwAMGYo1pS67PwitdQ58hZ/Dy5XA95oaI=; b=NKeJT/gIbIEkMvfTDCXO9rFuptiBMdt7fd8fopN/NT+nGJ0fmaTxMo1WbUnqUcEpkd 6n5FENrZLqQEJp3KpdyDwvlj4PAgxHlUcNyHNixLMVORr4xoDdYMN0oGdimGLS/2qnk0 Osvr1ts7UQk+jFHym6oFi29aR6n0rk+gVA5+k6aAQ36hpd5+T6zjjQSqHW7ZkX8TPwMD HAajyxjfF1UvA2EMgjhxRruaQxslfU6Ee44eo/j2djegD3+ViZ7Uief73BZUPGNeTcgm wg5lyRrhOHbS/riOd+71DtfVxWIXgBsRG+2tnp+O/iEsDkJDpeDpFvhL21uUr0LHc8XB IKnA== X-Gm-Message-State: APjAAAVwTPKKzquCnR1O8RRQnSKolRi7E63UMBWYCWqoal9LWgsCGWke sUpJHhEsLGt8gD7PSqsmjg0ZCP+/AK2c/E7AhAQ= X-Google-Smtp-Source: APXvYqzBEQRmR7nFeqhfmvXyegO67SWw0bcioixZ+GtFeSaj5DmOjeTM+a5A7SCk7CqL8MFEtOkpl+iVXItXh0YXL6M= X-Received: by 2002:a9d:6213:: with SMTP id g19mr14937717otj.257.1567245211988; Sat, 31 Aug 2019 02:53:31 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Mahend Negi Date: Sat, 31 Aug 2019 15:23:20 +0530 Message-ID: To: Emmanuel Baccelli Cc: draft-ietf-pce-association-diversity.all@ietf.org, "" , rtg-dir@ietf.org, pce@ietf.org Content-Type: multipart/alternative; boundary="00000000000022f94a059166b6b1" Archived-At: Subject: Re: [Pce] RtgDir review: draft-ietf-pce-association-diversity-08.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 31 Aug 2019 09:53:36 -0000 --00000000000022f94a059166b6b1 Content-Type: text/plain; charset="UTF-8" Hi Emmanuel, Thanks for your review, updated in the new version. FYI: New Version: https://datatracker.ietf.org/doc/html/draft-ietf-pce-association-diversity-10 Diff: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-association-diversity-10 Regards, Mahendra On Mon, Aug 26, 2019 at 4:09 PM Emmanuel Baccelli < Emmanuel.Baccelli@inria.fr> wrote: > Dear Mahend > > thanks for you answers. Your changes look fine to me. > > Two last nits: > > - in the sentence you added in section 5.6 when the T flag is set, "In > case of other PCEP message, the PCE MUST return a PCErr message with > Error-Type 26". > => PCEP message other than what? This is not crystal clear. I suggest you > clarify explicitly. > > - in the sentence you added in section 5.6 when the T flag is unset, "the > PCE is allowed to relax disjointness by either applying a requested > objective function (Section 5.4) if specified. Otherwise the PCE is > allowed to reduce the required level of disjointness (as it deems fit)" > => as-is, there seems to be a typo: a spurious "either". How about: > > "the PCE is allowed to relax disjointness by applying a requested > objective function (Section 5.4) if specified. Otherwise, if no objective > function is specified, the PCE is allowed to reduce the required level of > disjointness as it deems fit" > > Cheers > > Emmanuel > > On Tue, Aug 13, 2019 at 4:58 PM Mahend Negi wrote: > >> Hi Emmanuel, >> >> Thanks for your comments. Please see inline, do find attached reworked >> draft and version-diff for reference. >> >> On Tue, Aug 13, 2019 at 3:21 AM Emmanuel Baccelli < >> Emmanuel.Baccelli@inria.fr> wrote: >> >>> Hello, >>> >>> I have been selected as the Routing Directorate reviewer for this draft. >>> The Routing Directorate seeks to review all routing or routing-related >>> drafts as they pass through IETF last call and IESG review, and sometimes >>> on special request. The purpose of the review is to provide assistance to >>> the Routing ADs. For more information about the Routing Directorate, please >>> see http://trac.tools.ietf.org/area/rtg/trac/wiki/RtgDir >>> >>> Although these comments are primarily for the use of the Routing ADs, it >>> would be helpful if you could consider them along with any other IETF Last >>> Call comments that you receive, and strive to resolve them through >>> discussion or by updating the draft. >>> >>> Document: draft-ietf-pce-association-diversity-08.txt >>> Reviewer: Emmanuel Baccelli >>> Review Date: 12/08/2019 >>> Intended Status: Standards Track >>> >>> Summary of comments: >>> >>> The procotol extension is simple, and its operation is documented >>> pretty well. >>> The document is concise, and clear from my point of view. >>> See below a couple of remarks that could be considered prior to >>> publication. >>> >>> Major Issues: >>> >>> No major issues found. >>> >>> Minor Issues: >>> >>> In Section 5 (Security): If I understand correctly, dynamically >>> adding a new LSP to an existing disjoint association affects the >>> (re)computation and the (re)characterization of all LSPs in this >>> association. In this case, is it entirely obvious to me that there is no >>> specific threat using the attack vector of adding an LSP to an existing >>> association, when flag T is set? >>> >> >> When T flag is set, we would have a case of no-path for the new LSP. It >> would be good to also indicate that the new LSP could not be added into the >> association group. I have added text for this. >> >> What is the state of other LSPs in an existing association after another >>> LSP was added, which resulted in the required disjointness now fails? >>> >> >> The other LSPs would not be impacted. So as such there is no specific >> security threat with T flag. But, it would be good to add some generic >> text. Updated section - >> >> 6. Security Considerations >> >> >> This document defines one new type for association, which on itself does >> not add any new security concerns beyond those discussed in >> >> [RFC5440], [RFC8231] and [I-D.ietf-pce-association-group]. But, adding of >> a spurious LSP into the disjointness association group >> >> could lead to re-computation and set-up of all LSPs in the group, that >> could be used to overwhelm the PCE and the network. >> >> >> Also, as stated in [I-D.ietf-pce-association-group], much of the >> information carried in the Disjointness Association object, as per >> >> this document is not extra sensitive. It often reflects information that >> can also be derived from the LSP Database, but association >> >> provides a much easier grouping of related LSPs and messages. The >> disjointness association could provide an adversary with the >> >> opportunity to eavesdrop on the relationship between the LSPs. Thus >> securing the PCEP session using Transport Layer Security (TLS) >> >> [RFC8253], as per the recommendations and best current practices in >> [RFC7525], is RECOMMENDED. >> >>> >> >> >>> Nits: >>> >>> In Section 3 (Motivation): In my opinion, this section might benefit >>> from being split in two: a pure motivation section, and an applicability >>> section. >>> >> >> OK >> >>> >>> In Section 4.1: it is stated that "a PCE may be limited in the >>> number of LSPs it can take into account when computing disjointness" [...] >>> "the PCE may provide no path, a shortest path, or a constrained path based >>> on relaxing disjointness, etc. The disjoint status is informed to the >>> PCC." >>> Here, it would be useful to forward reference to section 4.6. >>> >> >> OK >> >>> >>> In section 4.6: the spec seems to suppose that there exists an >>> absolute order ranking different levels of disjointness, >>> such that a PCE can simply take the decision to "reduce disjointness" to >>> the next best level. >>> I suspect that this is not always easy to rank in complex cases, if at >>> all possible. >>> >> >> Added (as it deems fit). >> >> >>> Are some more flags foreseen (tbd in section 6.2 ?) for more >>> fine-grained characterization of "relaxed disjointness" in complex cases >>> e.g. when adding an LSP to an already-large disjoint association ? >>> I assume the answer is "not really". >>> >> Your assumption is right. >> >> >>> >>> Assuming the above, without becoming too ugly, specification could be >>> more explicit about ranking levels of disjointness which relaxing decisions >>> should be made, when flag T is unset. >>> >> I think, adding "as it deems fit" is better and let implementations >> decide with protocol signalling the result. >> >> >>> Else, the spec could add a clarifying sentence on the difficulty of >>> ordering absolutely many different levels of disjointness for many LSPs, in >>> the same association. >>> >> Do you still feel this to be necessary? I am not too sure. >> >> >> Thanks! >> >> >> _______________________________________________ >>> Pce mailing list >>> Pce@ietf.org >>> https://www.ietf.org/mailman/listinfo/pce >>> >> --00000000000022f94a059166b6b1 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Emmanuel,

Thanks for your review, updated in the new version.
<= br>
FYI:
New Version:

Regards,
Mahendra
=


On Mon, Aug 26, 2019 at 4:09 PM Emmanuel Baccelli <<= a href=3D"mailto:Emmanuel.Baccelli@inria.fr">Emmanuel.Baccelli@inria.fr= > wrote:
Dear Mahend

thanks for you answe= rs. Your changes look fine to me.

Two last nits:

- in the sentence you added in section 5.6 when th= e T flag is set, "In case of other PCEP message, the PCE MUST return a= PCErr message with Error-Type 26".
=3D> PCEP message oth= er than what? This is not crystal clear. I suggest you clarify explicitly.<= br>

- in the sentence you added in section 5.6 whe= n the T flag is unset, "the PCE is allowed to relax disjointness by ei= ther applying a requested objective function (Section 5.4) if specified.=C2= =A0 Otherwise the PCE is allowed to reduce the required level =C2=A0 of dis= jointness (as it deems fit)"
=3D> as-is, there seems = to be a typo: a spurious "either". How about:

"the PCE is allowed to relax disjointness by applying a requeste= d objective function (Section 5.4) if specified. Otherwise, if no objective= function is specified, the PCE is allowed to reduce the required level of = disjointness as it deems fit"

Cheers

Emmanuel

On Tue, Aug 13, 2019 at 4:58 PM Mahend N= egi <mahend.i= etf@gmail.com> wrote:
=09 =09 =09

Hi Emmanuel,

Thanks for your comments. Please see inline, do find attached reworked draft and version-di= ff for reference.=C2=A0


= On Tue, Aug 13, 2019 at 3:21 AM Emmanuel Baccelli <Emmanuel.Baccelli@inria.fr&g= t; wrote:
H= ello,

I have been selected as the Routing Directorate reviewer for t= his draft. The Routing Directorate seeks to review all routing or routing-r= elated drafts as they pass through IETF last call and IESG review, and some= times on special request. The purpose of the review is to provide assistanc= e to the Routing ADs. For more information about the Routing Directorate, p= lease see http://trac.tools.ietf.org/area/rtg/trac/wiki/RtgDir<= br>
Although these comments are primarily for the use of the Routing ADs= , it would be helpful if you could consider them along with any other IETF = Last Call comments that you receive, and strive to resolve them through dis= cussion or by updating the draft.

Document: draft-ietf-pce-associati= on-diversity-08.txt
Reviewer: Emmanuel Baccelli
Review Date: 12/08/20= 19
Intended Status: Standards Track

Summary of comments:

= =C2=A0 =C2=A0 The procotol extension is simple, and its operation is docume= nted pretty well.
=C2=A0 =C2=A0 The document is concise, and clear from = my point of view.
=C2=A0 =C2=A0 See below a couple of remarks that coul= d be considered prior to publication.

Major Issues:

=C2=A0 = =C2=A0 No major issues found.

Minor Issues:

=C2=A0 =C2=A0 In = Section 5 (Security): If I understand correctly, dynamically adding a new L= SP to an existing disjoint association affects the (re)computation and the = (re)characterization of all LSPs in this association. In this case, is it e= ntirely obvious to me that there is no specific threat using the attack vec= tor of adding an LSP to an existing association, when flag T is set?
<= /blockquote>
=C2=A0
When T flag is set, we would have a case of no-path for the new LSP. It would be good to also indicate that the new LSP could not be added into the association group. I have added text for this.

What is the state of other L= SPs in an existing association after another LSP was added, which resulted = in the required disjointness now fails?
=C2=A0
The other LSPs would not be impacted. So as such there is no specific security threat with T flag. But, it would be good to add some generic text. Updated section -
=09 =09 =09

6. Security Considerations


This document defines one new type for association, which on itself does not add any new security concerns beyond those discussed in

[RFC5440], [RFC8231] and [I-D.ietf-pce-association-group]. But, adding of a spurious LSP into the disjointness association group

could lead to re-computation and set-up of all LSPs in the group, that could be used to overwhelm the PCE and the network.


Also, as stated in [I-D.ietf-pce-association-group], much of the information carried in the Disjointness Association object, as per

this document is not extra sensitive. It often reflects information that can also be derived from the LSP Database, but association

provides a much easier grouping of related LSPs and messages. The disjointness association could provide an adversary with the

opportunity to eavesdrop on the relationship between the LSPs. Thus securing the PCEP session using Transport Layer Security (TLS)

[RFC8253], as per the recommendations and best current practices in [RFC7525], is RECOMMENDED.

=09 =09 =09


=C2=A0
Nits:

=C2=A0 =C2=A0 In Section 3 (Motivation): In my opinion, this= section might benefit from being split in two: a pure motivation section, = and an applicability section.
=C2=A0
O= K
=C2=A0 =C2=A0
=C2=A0 =C2=A0 In Section 4.1: it is stated that "= ;a PCE may be limited in the number of LSPs it can take into account when c= omputing disjointness" [...] "the PCE may provide no path, a shor= test path, or a constrained path based on relaxing disjointness, etc.=C2=A0= The disjoint status is informed to the PCC."
Here, it would be us= eful to forward reference to section 4.6.
=C2=A0=
OK
<= div dir=3D"ltr">
=C2=A0 =C2=A0 In section 4.6: the spec seems to suppose= that there exists an absolute order ranking different levels of disjointne= ss,
such that a PCE can simply take the decision to "reduce disjoin= tness" to the next best level.
I suspect that this is not alwa= ys easy to rank in complex cases, if at all possible.

=09 =09 =09

Added (as it deems fit).

=C2=A0
Ar= e some more flags foreseen (tbd in section 6.2 ?) for more fine-grained cha= racterization of "relaxed disjointness" in complex cases e.g. whe= n adding an LSP to an already-large disjoint association ?
I assume= the answer is "not really".
=09 =09 =09

Your assumption is right.

=C2=A0

Assuming the above, without becoming too ugly, specificati= on could be more explicit about ranking levels of disjointness which relaxi= ng decisions should be made, when flag T is unset.
=09 =09 =09

I think, adding "as it deems fit" is better and let implementations decide with protocol signalling the result.

=C2=A0
Else, the spec could add a clarifying sentence on the difficulty of order= ing absolutely many different levels of disjointness for many LSPs, in the = same association.
=09 =09

Do you still feel this to be necessary? I am not too sure.


Thanks!


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Pce@ietf.org
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--00000000000022f94a059166b6b1-- From nobody Sat Aug 31 08:27:59 2019 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E8AF21200CD for ; Sat, 31 Aug 2019 08:27:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=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 ytNISbRkaVoT for ; Sat, 31 Aug 2019 08:27:56 -0700 (PDT) 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 1C0F8120033 for ; Sat, 31 Aug 2019 08:27:56 -0700 (PDT) Received: by mail-wm1-x32f.google.com with SMTP id l2so10411808wmg.0 for ; Sat, 31 Aug 2019 08:27:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=previdi-net.20150623.gappssmtp.com; s=20150623; h=subject:mime-version:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=Fkjrm03U1/gNiDsDq3SyYVuaPyTfY7F7rKa/bGKi45s=; b=Jo24OLKsODIME/44K6OCbT3KjeFW1FawUMfpmh/FdFExd9X+9BombGfvRNrrDBLsf4 xLfL1K+T4QTGL9Y9uOAtVIBvPqW4bVrNhIxPUZhehGxpeUeBAlNqNoMgdWvU416lxnH7 65OIO9P9U3u+Gq3eQ/ofKjZXf3PkVVG6M829OeVPPhgtXfas/6EU3Og+pn5Iy13CH8Y1 65LVDBhyvW/41gmwbjRAFw1nBgSV3U7SUACsp003PPgsVf02QSJl/tlB/q9tVpp5e+I2 PbVO/vbKlBwSAt+7pnP9QdPuviyCpiz1bf+TeC7mXaqofYGAAZtVexDVd/WUyT920Y+V mung== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:mime-version:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=Fkjrm03U1/gNiDsDq3SyYVuaPyTfY7F7rKa/bGKi45s=; b=cnAKRyopl4A76s6sypb/n1HIIXPV0mknU/DBZGK9Zess1D2WMMqljxEwGjhKBMiVDV YmOWLcLdLm+018SOH+AaHJrp4vHsUdSBH5feEAhAxxSO5yn+CEtdzrQWXMPmCg0f3njh Oq38ZHSwt1yFXccrELNkNL0VJHMGBIu84tmIq7reY+KDBRUYKVy1NoH2MPJ93BMO/JJQ s2pMbNV0jnwgjx/wkU/7RGYv4Ff184ICMX7y9AxQFHKDFA+Zq4KYerdPx6+/dm49mkz0 7AdUPUrn0GI3ULucdz01I5rgeTewqHdcUODDYIGgRz7O/pec7FfzXEwslT40HbcUYwMN pvOQ== X-Gm-Message-State: APjAAAVVv3/w3fnYxlo44k12csgr6PDXA/C+Qsz5tpJ0l3GWeDrN5mZY Y4ZPMOyrkbEQsaRo6f0sTQiuAA== X-Google-Smtp-Source: APXvYqyAKTyLN3JuC2EVt0mp11aLHJBhD2gghkZV1mAC4E+5/h3K2/4lTg0suNL3tFbFPNMGnplu8A== X-Received: by 2002:a7b:cc0f:: with SMTP id f15mr24818462wmh.39.1567265274539; Sat, 31 Aug 2019 08:27:54 -0700 (PDT) Received: from [192.168.1.7] (net-93-147-205-42.cust.vodafonedsl.it. [93.147.205.42]) by smtp.gmail.com with ESMTPSA id w5sm19361592wrc.82.2019.08.31.08.27.52 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 31 Aug 2019 08:27:53 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) Content-Type: text/plain; charset=us-ascii From: stefano previdi In-Reply-To: Date: Sat, 31 Aug 2019 17:31:13 +0200 Cc: pce@ietf.org, pce-chairs@ietf.org Content-Transfer-Encoding: quoted-printable Message-Id: References: To: Dhruv Dhody X-Mailer: Apple Mail (2.2104) Archived-At: Subject: Re: [Pce] WG adoption poll for draft-sivabalan-pce-binding-label-sid-07 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 31 Aug 2019 15:27:58 -0000 Hi, as co-author, I do support the adoption of this draft for which we = already have multiple implementations. Thanks. s. > From: Dhruv Dhody > Date: Tue, Aug 20, 2019 at 11:14 PM > Subject: WG adoption poll for draft-sivabalan-pce-binding-label-sid-07 > To: > Cc: pce-chairs >=20 >=20 > Hi WG, >=20 > This email begins the WG adoption poll for > draft-sivabalan-pce-binding-label-sid-07 [1]. >=20 > Should this draft be adopted by the PCE WG? Please state your reasons = - Why / > Why not? What needs to be fixed before or after adoption? Are you = willing to > work on this draft? Review comments should be posted to the list. >=20 > One of the chairs did a pre-adoption review [2] and authors posted a = new > revision. Note that there are known implementations. >=20 > This adoption poll will end on 6th September 2019. >=20 > Thanks! > Dhruv (for the chairs) >=20 >=20 > [1] = https://tools.ietf.org/html/draft-sivabalan-pce-binding-label-sid-07 > [2] = https://mailarchive.ietf.org/arch/msg/pce/oaBIRA9FnNsV6-JrKKRCdwtLysk