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Re: [CCAMP] poll on making draft-margaria-ccamp-lsp-attribute-ero-02 a WG document

John E Drake <jdrake@juniper.net> Mon, 10 December 2012 13:32 UTC

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From: John E Drake <jdrake@juniper.net>
To: Eric Gray <eric.gray@ericsson.com>, "ccamp@ietf.org" <ccamp@ietf.org>
Thread-Topic: [CCAMP] poll on making draft-margaria-ccamp-lsp-attribute-ero-02 a WG document
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Date: Mon, 10 Dec 2012 13:29:46 +0000
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Subject: Re: [CCAMP] poll on making draft-margaria-ccamp-lsp-attribute-ero-02 a WG document
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Hi,

I agree with Eric and think this appears to be a solution looking for a problem. 

Irrespectively Yours,

John


> -----Original Message-----
> From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On Behalf
> Of Eric Gray
> Sent: Friday, December 07, 2012 1:13 PM
> To: ccamp@ietf.org
> Subject: Re: [CCAMP] poll on making draft-margaria-ccamp-lsp-attribute-
> ero-02 a WG document
> 
> Not support
> 
> (At least not at this time)
> 
> There are a couple of technical issues:
> 
> 1) I do not see any explanation of - or examples for - the use case
> where LSP attributes would apply to a hop in an LSP and not to the
> entire LSP.  If attributes apply to an entire LSP, than there are
> existing ways to do this. If it is possible to have an attribute that
> applies to a single hop in the LSP, does this not raise issues with
> "weak-links"?
> 
> 2) I strongly suspect that this approach MUST rely on information
> present at the signaling initiator that would be "too much information"
> about nodes and links in the LSP-path.  This information may change,
> even between the time that the path is determined (by whatever means)
> and the time that signaling is initiated.
> 
> --
> Eric
> 
> -----Original Message-----
> From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On Behalf
> Of Lou Berger
> Sent: Friday, December 07, 2012 3:48 PM
> To: ccamp@ietf.org
> Subject: [CCAMP] poll on making draft-margaria-ccamp-lsp-attribute-ero-
> 02 a WG document
> 
> All,
> 
> This is to start a two week poll on making
> draft-margaria-ccamp-lsp-attribute-ero-02 a ccamp working group
> document. Please send mail to the list indicating "yes/support"
> or "no/do not support".  If indicating no, please state your technical
> reservations with the document.
> 
> The poll ends Friday December 21.
> 
> Much thanks,
> Lou (and Deborah)
> 
> PS We're still waiting on one IPR statement.
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