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

Stewart Bryant <stbryant@cisco.com> Fri, 02 July 2010 22:16 UTC

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Date: Fri, 02 Jul 2010 23:16:52 +0100
From: Stewart Bryant <stbryant@cisco.com>
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To: Greg Mirsky <gregimirsky@gmail.com>
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Cc: "mpls-tp@ietf.org" <mpls-tp@ietf.org>, "lihan@chinamobile.com" <lihan@chinamobile.com>, "pwe3@ietf.org" <pwe3@ietf.org>, HUANG Feng F <Feng.f.Huang@alcatel-sbell.com.cn>
Subject: Re: [mpls-tp] [PWE3] Proposal of using GAL for PW
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Greg

Correct, a ST document would need to update RFC5586.

Stewart


On 02/07/2010 18:41, Greg Mirsky wrote:
> Dear Stewart,
> if use of the entropy label implies non-MPLS-TP environment, then this
> scenario is outside of scope of RFC 5586 and location of GAL on the
> label stack is up for specification. In case if use of entropy label
> in MPLS-TP network is expected we have second proposed to RFC 5586
> change (first - to change that GAL mast not be used on PWs in MPLS-TP
> network).
>
> Regards,
> Greg
>
> 2010/7/2 Stewart Bryant<stbryant@cisco.com>om>:
>    
>> 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
>>
>>
>>
>>
>>
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>> pwe3 mailing list
>> pwe3@ietf.org
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>>
>>      
>    


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