IETF Logo Mail Archive

Re: [mpls-tp] [PWE3] Proposal of using GAL for PW

Luca Martini <lmartini@cisco.com> Tue, 06 July 2010 15:03 UTC

Return-Path: <lmartini@cisco.com>
X-Original-To: mpls-tp@core3.amsl.com
Delivered-To: mpls-tp@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 326363A6A37; Tue, 6 Jul 2010 08:03:12 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.265
X-Spam-Level:
X-Spam-Status: No, score=-2.265 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, IP_NOT_FRIENDLY=0.334]
Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id c1tyZ+8eXJhR; Tue, 6 Jul 2010 08:03:11 -0700 (PDT)
Received: from napoleon.monoski.com (napoleon.monoski.com [67.41.208.110]) by core3.amsl.com (Postfix) with ESMTP id 447243A672E; Tue, 6 Jul 2010 08:03:11 -0700 (PDT)
Received: from confusion.monoski.com (confusion.monoski.com [209.245.27.2]) (authenticated bits=0) by napoleon.monoski.com (8.13.8/8.13.8) with ESMTP id o66EtEc7006312 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 6 Jul 2010 08:55:15 -0600 (MDT)
Message-ID: <4C3343D2.8090505@cisco.com>
Date: Tue, 06 Jul 2010 08:55:14 -0600
From: Luca Martini <lmartini@cisco.com>
User-Agent: Thunderbird 2.0.0.19 (X11/20081209)
MIME-Version: 1.0
To: "BUSI, ITALO (ITALO)" <italo.busi@alcatel-lucent.com>
References: <2C2F1EBA8050E74EA81502D5740B4BD6940E809263@SJEXCHCCR02.corp.ad.broadcom.com> <C8529DB4.4489A%giles.heron@gmail.com> <2C2F1EBA8050E74EA81502D5740B4BD6940E80926C@SJEXCHCCR02.corp.ad.broadcom.com> <4C2DB03F.7000709@cisco.com> <15740615FC9674499FBCE797B011623F0B730021@FRMRSSXCHMBSB1.dc-m.alcatel-lucent.com>
In-Reply-To: <15740615FC9674499FBCE797B011623F0B730021@FRMRSSXCHMBSB1.dc-m.alcatel-lucent.com>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 8bit
Cc: "lihan@chinamobile.com" <lihan@chinamobile.com>, "mpls-tp@ietf.org" <mpls-tp@ietf.org>, "pwe3@ietf.org" <pwe3@ietf.org>
Subject: Re: [mpls-tp] [PWE3] Proposal of using GAL for PW
X-BeenThere: mpls-tp@ietf.org
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: MPLS-TP Mailing list <mpls-tp.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/listinfo/mpls-tp>, <mailto:mpls-tp-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/mpls-tp>
List-Post: <mailto:mpls-tp@ietf.org>
List-Help: <mailto:mpls-tp-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/mpls-tp>, <mailto:mpls-tp-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 06 Jul 2010 15:03:12 -0000

BUSI, ITALO (ITALO) wrote:
> I agree with Stewart.
> The GAL MUST be at the BoS in MPLS-TP where ECMP is not applicable and 
> entroy labels MUST NOT be used.
> In other MPLS environments (e.g., where entropy labels are used), RFC 
> 5886 does not place any restriction on the position of the GAL within 
> the label stack.
>
Where does it say that Entropy labels must not be used in MPLS-TP ?
( not that they are useful at all in MPLS-TP , but in a mixed network 
maybe....)

Luca


> Italo
>
>     ------------------------------------------------------------------------
>     *From:* mpls-tp-bounces@ietf.org [mailto:mpls-tp-bounces@ietf.org]
>     *On Behalf Of *Stewart Bryant
>     *Sent:* venerdì 2 luglio 2010 11.24
>     *To:* Shahram Davari
>     *Cc:* Andy Malis; mpls-tp@ietf.org; lihan@chinamobile.com;
>     pwe3@ietf.org; HUANG, Feng F (Feng)
>     *Subject:* Re: [mpls-tp] [PWE3] Proposal of using GAL for PW
>
>     On 01/07/2010 19:35, Shahram Davari wrote:
>>
>>     !mmm so if one used entropy then they can’t have OAM?
>>
>>     -SD
>>
>
>     Not so. The GAL goes above the entropy label (S=0), so gets parsed
>     first. This works for both PHP and not PHP, and both LSP and PW.
>
>     - Stewart
>
>
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> pwe3 mailing list
> pwe3@ietf.org
> https://www.ietf.org/mailman/listinfo/pwe3
>

v2.8.7 | Report a Bug | By Email