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Re: [Gen-art] Gen-ART review of draft-ietf-sip-rph-new-namespaces-03.txt

Cullen Jennings <fluffy@cisco.com> Fri, 17 October 2008 19:10 UTC

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From: Cullen Jennings <fluffy@cisco.com>
To: Suresh Krishnan <suresh.krishnan@ericsson.com>, James M Polk <jmpolk@cisco.com>
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Subject: Re: [Gen-art] Gen-ART review of draft-ietf-sip-rph-new-namespaces-03.txt
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James, could you have a look at the issue below and if possible send a  
reply before next wednesday as I put this draft on the agenda for next  
Thursdays IESG call.

Thanks, Cullen

On Oct 10, 2008, at 2:44 PM, Suresh Krishnan wrote:

> I am the assigned Gen-ART reviewer for
> draft-ietf-sip-rph-new-namespaces-03.txt
>
> For background on Gen-ART, please see the FAQ at
> <http://www.alvestrand.no/ietf/gen/art/gen-art-FAQ.html>.
>
> Please resolve these comments along with any other Last Call comments
> you may receive.
>
> Summary: Almost ready for publication but I have a few comments.
>
> Major
> =====
>
> * The draft assumes some kind of ordering requirement between  
> namespaces. From my reading of RFC4412, this is not the case.
>
> "Thus, a message (or a call) with the following Resource-Priority
> header value:
>
> dsn-000001.8
>
> for example, MUST NOT ever receive preferential treatment over a
> message, for example, with this Resource-Priority header value:
>
> dsn-000010.0
>
> because they are two difference namespaces"
>
> e.g.
>
> Consider an RP actor that supports both the namespaces, dsn-000001  
> and dsn-000010. It could maintain an ordered list which contains
>
> dsn-000001.9
> dsn-000001.8
> dsn-000010.9
> ...
> dsn-000010.0
>
> and this is a valid priority order according to section 8.2 of  
> RFC4412. Given this, why would this be considered invalid behavior  
> if dsn-000001.8 DID receive preferential treatment over  
> dsn-000010.0? This might be a major misunderstanding on my part. If  
> so please correct me.

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