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RE: [mpls] Updates to draft-ietf-ccamp-mpls-graceful-shutdown

"Zafar Ali (zali)" <zali@cisco.com> Thu, 06 November 2008 21:35 UTC

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Subject: RE: [mpls] Updates to draft-ietf-ccamp-mpls-graceful-shutdown
Date: Thu, 06 Nov 2008 16:26:54 -0500
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Thread-Topic: [mpls] Updates to draft-ietf-ccamp-mpls-graceful-shutdown
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From: "Zafar Ali (zali)" <zali@cisco.com>
To: AISSAOUI Mustapha <Mustapha.Aissaoui@alcatel-lucent.com>, Lou Berger <lberger@labn.net>
Cc: mpls@ietf.org, "Newton, Jonathan" <Jonathan.Newton@cw.com>, jpv@cisco.com, ccamp@ops.ietf.org, "Anca Zamfir (ancaz)" <ancaz@cisco.com>
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Mustapha- 

I think once we address Lou's comment, that will also address your
comment. So please wait for the new revision. We can try to publish it
during the IETF week. 

Thanks

Regards... Zafar 

> -----Original Message-----
> From: AISSAOUI Mustapha [mailto:Mustapha.Aissaoui@alcatel-lucent.com] 
> Sent: Thursday, November 06, 2008 1:05 PM
> To: Zafar Ali (zali); Lou Berger
> Cc: mpls@ietf.org; Newton, Jonathan; jpv@cisco.com; 
> ccamp@ops.ietf.org; Anca Zamfir (ancaz)
> Subject: RE: [mpls] Updates to draft-ietf-ccamp-mpls-graceful-shutdown
> 
> Hi Ali,
> I have an issue with not providing backwards compatibility 
> with the "Notify" error code and the error sub-codes for link 
> and node maintenance defined in RFC 4736. This draft has been 
> using these codes for almost four years now and it is not 
> acceptable they get changed in last call.
> 
> Furthermore, draft-ietf-mpls-gmpls-lsp-reroute-02.txt 
> suggests backwards compatibility must be provided when 
> required. I believe this is one of those cases. When 
> draft-ietf-mpls-gmpls-lsp-reroute-02.txt passes WG last call, 
> it makes perfect sense to require new applications to start using it.
> 
> Regards,
> Mustapha. 
> 
> > -----Original Message-----
> > From: mpls-bounces@ietf.org [mailto:mpls-bounces@ietf.org] 
> On Behalf 
> > Of Zafar Ali (zali)
> > Sent: Wednesday, October 29, 2008 12:35 PM
> > To: Lou Berger
> > Cc: mpls@ietf.org; Newton, Jonathan; jpv@cisco.com; 
> > ccamp@ops.ietf.org; Anca Zamfir (ancaz)
> > Subject: Re: [mpls] Updates to 
> draft-ietf-ccamp-mpls-graceful-shutdown
> > 
> > Hi Lou-
> > 
> > > -----Original Message-----
> > > From: owner-ccamp@ops.ietf.org
> > > [mailto:owner-ccamp@ops.ietf.org] On Behalf Of Lou Berger
> > > Sent: Wednesday, October 29, 2008 11:56 AM
> > > To: Zafar Ali (zali)
> > > Cc: Lou Berger; Adrian Farrel; ccamp@ops.ietf.org; mpls@ietf.org; 
> > > jpv@cisco.com; Anca Zamfir (ancaz); Newton, Jonathan
> > > Subject: Re: Updates to draft-ietf-ccamp-mpls-graceful-shutdown
> > > 
> > > Zafar,
> > > 
> > > Why does the document define new error codes (and why 4)?  
> > Is it that
> > > the reroute document isn't sufficient clear on how to
> > indicated each
> > > of the 4? Is it some other reason?
> > > 
> > 
> > This is because headend may be able to compute alternate route 
> > ("reroute" action) for mb4b differently, depending on the resource 
> > under graceful shutdown, as detailed in the document. Hence 
> one code 
> > is define for TE node, TE link, component link of a bundled 
> TE link, 
> > and label resource, each.
> > 
> > Thanks
> > 
> > Regards... Zafar
> > 
> > <snip>
> > _______________________________________________
> > mpls mailing list
> > mpls@ietf.org
> > https://www.ietf.org/mailman/listinfo/mpls
> > 
>

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