RE: Updates to draft-ietf-ccamp-mpls-graceful-shutdown
Lou Berger <lberger@labn.net> Wed, 29 October 2008 17:35 UTC
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Date: Wed, 29 Oct 2008 13:29:49 -0400
To: "Zafar Ali (zali)" <zali@cisco.com>
From: Lou Berger <lberger@labn.net>
Subject: RE: Updates to draft-ietf-ccamp-mpls-graceful-shutdown
Cc: Lou Berger <lberger@labn.net>, Adrian Farrel <adrian@olddog.co.uk>, ccamp@ops.ietf.org, mpls@ietf.org, jpv@cisco.com, "Anca Zamfir (ancaz)" <ancaz@cisco.com>, "Newton, Jonathan" <Jonathan.Newton@cw.com>
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Zafar, In short, you don't need new error codes to support the upstream identification of type of reroute being indicated (node, interface, component, label). This can be determined based on the ERROR_SPEC object and included TLVs. This is already covered in the reroute draft. I thought the text at the end of 2.1 of the reroute draft was sufficiently clear to indicate how one would do this with the existing error codes. I guess some examples for each of the cases will make this more apparent. looks like there are still open issues in the draft(s)... Lou At 12:34 PM 10/29/2008, Zafar Ali (zali) wrote: >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>
- Updates to draft-ietf-ccamp-mpls-graceful-shutdown Zafar Ali (zali)
- Re: Updates to draft-ietf-ccamp-mpls-graceful-shu… Lou Berger
- RE: Updates to draft-ietf-ccamp-mpls-graceful-shu… Zafar Ali (zali)
- RE: Updates to draft-ietf-ccamp-mpls-graceful-shu… Lou Berger
- RE: [mpls] Updates to draft-ietf-ccamp-mpls-grace… AISSAOUI Mustapha
- RE: [mpls] Updates to draft-ietf-ccamp-mpls-grace… Zafar Ali (zali)