Re: [CCAMP] New Version Notification for draft-tsaad-ccamp-rsvpte-bidir-lsp-fastreroute-03.txt

"Rakesh Gandhi (rgandhi)" <> Mon, 24 February 2014 22:57 UTC

Return-Path: <>
Received: from localhost ( []) by (Postfix) with ESMTP id 8FD821A0322 for <>; Mon, 24 Feb 2014 14:57:55 -0800 (PST)
X-Virus-Scanned: amavisd-new at
X-Spam-Flag: NO
X-Spam-Score: -8.149
X-Spam-Status: No, score=-8.149 tagged_above=-999 required=5 tests=[BAYES_40=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RP_MATCHES_RCVD=-0.547, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham
Received: from ([]) by localhost ( []) (amavisd-new, port 10024) with ESMTP id PUavT2SoPlIz for <>; Mon, 24 Feb 2014 14:57:45 -0800 (PST)
Received: from ( []) by (Postfix) with ESMTP id C30E91A0320 for <>; Mon, 24 Feb 2014 14:57:44 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple;;; l=3752; q=dns/txt; s=iport; t=1393282664; x=1394492264; h=from:to:cc:subject:date:message-id:in-reply-to: content-id:content-transfer-encoding:mime-version; bh=bh6DvLYA2giSzb/Qbau5bLkRvK8AmBTsirlby0sE2WU=; b=HiahuhAmu5LyDbI2ZJ4lz5bh61FI/3Ub0uU+7VLP1cREw79UOa0czWJ7 tqTm9KLBeJJPhkgDzEFCEgIiqjWBPUV4DcWbyYftAHcaJOVsKe/qOXjtg b8I4msaMqcwkXJYbPncH050gqdqt5sEVvY1P4iHkJ5KxoCp6oo3Rb/Lyu c=;
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-AV: E=Sophos;i="4.97,537,1389744000"; d="scan'208";a="22858888"
Received: from ([]) by with ESMTP; 24 Feb 2014 22:57:43 +0000
Received: from ( []) by (8.14.5/8.14.5) with ESMTP id s1OMvhEE029820 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Mon, 24 Feb 2014 22:57:43 GMT
Received: from ([]) by ([]) with mapi id 14.03.0123.003; Mon, 24 Feb 2014 16:57:42 -0600
From: "Rakesh Gandhi (rgandhi)" <>
To: Gregory Mirsky <>, Lizhong Jin <>, Frederic Jounay <>, "Tarek Saad (tsaad)" <>, "Mike Taillon (mtaillon)" <>, "Zafar Ali (zali)" <>, Manav Bhatia <>
Thread-Topic: New Version Notification for draft-tsaad-ccamp-rsvpte-bidir-lsp-fastreroute-03.txt
Thread-Index: AQHPIOaJqiIMOAEGrkS5EKB7Vxg2IpqjnT0AgADCvJCAINagAA==
Date: Mon, 24 Feb 2014 22:57:42 +0000
Message-ID: <>
In-Reply-To: <>
Accept-Language: en-US
Content-Language: en-US
user-agent: Microsoft-MacOutlook/
x-originating-ip: []
Content-Type: text/plain; charset="us-ascii"
Content-ID: <>
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
Cc: CCAMP <>
Subject: Re: [CCAMP] New Version Notification for draft-tsaad-ccamp-rsvpte-bidir-lsp-fastreroute-03.txt
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: Discussion list for the CCAMP working group <>
List-Unsubscribe: <>, <>
List-Archive: <>
List-Post: <>
List-Help: <>
List-Subscribe: <>, <>
X-List-Received-Date: Mon, 24 Feb 2014 22:57:55 -0000

Hi Greg,

Thank you for your comments.

As you know, proposed draft addresses the two issues (state timeout and
bypass assignment) where FRR [RFC4090] is used for GMPLS packet tunnels.

Motivations for using FRR here is that it is widely deployed in the packet
MPLS-TE network today and can leverage all existing FRR detection and
restoration mechanisms and not have to deploy new protocol such as PSC
[RFC6378] for protection switchover co-ordination.


On 2014-02-03 9:40 PM, "Gregory Mirsky" <>

>Hi Rakesh, et. al,
>since bi-directional co-routed LSP is MPLS-TP construct I believe that if
>local node protection is indeed required it should not use RFC 4090
>signaling but use ASSOCIATION object as described in Section 2.3 RFC 6689
>and RFC 6378 MPLS-TP Linear Protection instead.
>	Regards,
>		Greg
>-----Original Message-----
>From: CCAMP [] On Behalf Of Rakesh Gandhi
>Sent: Monday, February 03, 2014 5:52 AM
>To: Lizhong Jin; Lizhong Jin; Frederic Jounay; Tarek Saad (tsaad); Mike
>Taillon (mtaillon); Zafar Ali (zali); Manav Bhatia; Zafar Ali (zali);
>Mike Taillon (mtaillon); Tarek Saad (tsaad); Frederic JOUNAY; Manav Bhatia
>Subject: Re: [CCAMP] New Version Notification for
>Hi WG,
>New revision of the published draft contains following updates:
>- Remove unidirectional bypass LSP (as per previous comments)
>- Fix syntax of the BYPASS_ASSIGNMENT object.
>- Misc editorial cleanup.
>Please provide your review comments.
>On 2014-02-03 8:44 AM, ""
><> wrote:
>>A new version of I-D,
>>has been successfully submitted by Rakesh Gandhi and posted to the IETF
>>Name:		draft-tsaad-ccamp-rsvpte-bidir-lsp-fastreroute
>>Revision:	03
>>Title:		Extensions to Resource Reservation Protocol For Fast Reroute of
>>Bidirectional Co-routed Traffic Engineering LSPs
>>Document date:	2014-02-03
>>Group:		Individual Submission
>>Pages:		12
>>   This document defines Resource Reservation Protocol - Traffic
>>   Engineering (RSVP-TE) signaling extensions to support Fast Reroute
>>   (FRR) of bidirectional co-routed Traffic Engineering (TE) LSPs. These
>>   extensions enable the re-direction of bidirectional traffic and
>>   signaling onto bypass tunnels that ensure co-routedness of data and
>>   signaling paths in the forward and reverse directions after FRR. In
>>   addition, the RSVP-TE signaling extensions allow the coordination of
>>   bypass tunnel assignment protecting a common facility in both forward
>>   and reverse directions prior to or post failure occurrence.
>>Please note that it may take a couple of minutes from the time of
>>submission until the htmlized version and diff are available at
>>The IETF Secretariat
>CCAMP mailing list