Re: [Pals] Requesting comments on SBFD-VCCV drafts

Jiangyuanlong <jiangyuanlong@huawei.com> Tue, 24 March 2015 18:20 UTC

Return-Path: <jiangyuanlong@huawei.com>
X-Original-To: pals@ietfa.amsl.com
Delivered-To: pals@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BE97E1A891F; Tue, 24 Mar 2015 11:20:47 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.211
X-Spam-Level:
X-Spam-Status: No, score=-4.211 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=ham
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0eaR5z2vaxpJ; Tue, 24 Mar 2015 11:20:43 -0700 (PDT)
Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id CB57C1A8835; Tue, 24 Mar 2015 11:20:42 -0700 (PDT)
Received: from 172.18.7.190 (EHLO lhreml402-hub.china.huawei.com) ([172.18.7.190]) by lhrrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id BUC03297; Tue, 24 Mar 2015 18:20:41 +0000 (GMT)
Received: from SZXEMA412-HUB.china.huawei.com (10.82.72.71) by lhreml402-hub.china.huawei.com (10.201.5.241) with Microsoft SMTP Server (TLS) id 14.3.158.1; Tue, 24 Mar 2015 18:20:40 +0000
Received: from SZXEMA506-MBS.china.huawei.com ([169.254.4.68]) by SZXEMA412-HUB.china.huawei.com ([10.82.72.71]) with mapi id 14.03.0158.001; Wed, 25 Mar 2015 02:20:31 +0800
From: Jiangyuanlong <jiangyuanlong@huawei.com>
To: "Vengada Prasad Govindan (venggovi)" <venggovi@cisco.com>, "rtg-bfd@ietf.org" <rtg-bfd@ietf.org>, "pals@ietf.org" <pals@ietf.org>
Thread-Topic: Requesting comments on SBFD-VCCV drafts
Thread-Index: AdBcG8bbDt4lFsaSQwiuvYh/1U3PNAKKHR4w
Date: Tue, 24 Mar 2015 18:20:29 +0000
Message-ID: <3B0A1BED22CAD649A1B3E97BE5DDD68B5A8C38BB@szxema506-mbs.china.huawei.com>
References: <315041E4211CB84E86EF7C25A2AB583D54337F7C@xmb-rcd-x15.cisco.com>
In-Reply-To: <315041E4211CB84E86EF7C25A2AB583D54337F7C@xmb-rcd-x15.cisco.com>
Accept-Language: zh-CN, en-US
Content-Language: zh-CN
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-originating-ip: [10.46.69.36]
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-CFilter-Loop: Reflected
Archived-At: <http://mailarchive.ietf.org/arch/msg/pals/dv7m7P1wKSxc7vPWoUaoXn7vRlQ>
Cc: "Jeffrey Haas <jhaas@pfrc.org> (jhaas@pfrc.org)" <jhaas@pfrc.org>, "Carlos Pignataro (cpignata)" <cpignata@cisco.com>, "agmalis@gmail.com" <agmalis@gmail.com>, "nobo.akiya.dev@gmail.com" <nobo.akiya.dev@gmail.com>, "Stewart Bryant (stbryant)" <stbryant@cisco.com>
Subject: Re: [Pals] Requesting comments on SBFD-VCCV drafts
X-BeenThere: pals@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: "Pseudowire And LDP-enabled Services dicussion list." <pals.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/pals>, <mailto:pals-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/pals/>
List-Post: <mailto:pals@ietf.org>
List-Help: <mailto:pals-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/pals>, <mailto:pals-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 24 Mar 2015 18:20:47 -0000

Hi Stewart, Jeffrey and other authors,

If the purpose of this draft is not to deprecate the original VCCV BFD (0x10) function for MPLS PW, please make it clear:
- One option is clearly removing MPLS/PW-ACH Encapsulation from SBFD so that BFD and SBFD complement with each other.
- Another option is as the document describes, the same MPLS/PW is supported by both SBFD and original BFD, then a guideline section is needed so that consistent BFD type (SBFD or original BFD) can be chosen by the peer PEs (e.g., both BFD types are supported by two PEs associated with a specific BFD session).

Regards,
Yuanlong

-----Original Message-----
From: Pals [mailto:pals-bounces@ietf.org] On Behalf Of Vengada Prasad Govindan (venggovi)
Sent: Thursday, March 12, 2015 12:53 AM
To: rtg-bfd@ietf.org; pals@ietf.org
Cc: Jeffrey Haas <jhaas@pfrc.org> (jhaas@pfrc.org); Carlos Pignataro (cpignata); agmalis@gmail.com; nobo.akiya.dev@gmail.com; Stewart Bryant (stbryant)
Subject: [Pals] Requesting comments on SBFD-VCCV drafts

Hello all,
   We have submitted two new drafts:
a. draft-gp-pals-seamless-vccv: This draft defines the SBFD protocol operation for VCCV.
https://datatracker.ietf.org/doc/draft-gp-pals-seamless-vccv/

b. draft-gp-l2tpext-sbfd-discriminator: This draft defines AVPs for advertisement of SBFD discriminators in L2TP.

We welcome comments/ feedback on these drafts.
https://datatracker.ietf.org/doc/draft-gp-l2tpext-sbfd-discriminator/

Thanks
Prasad