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Re: [Sip] Query: Adopt draft-willis-sip-path-xx as WG doc?
Hi Dean:
I also agree with your proposals. I think we should take your document as a WG item. Definitely needed by 3GPP.
/Miguel
Dean Willis wrote:
>
> The document draft-willis-sip-path-01.txt introduces the Path extension header suggested by 3GPP in the Garcia 3GPP requirements draft in SIPPING.
>
> The basic requirements being met are to 1) allow a UA to REGISTER a contact which requires traversing a sequence of proxies on future messages between the registrar and the UA, with that sequence dynamically discovered during the REGISTER, and 2) allow a UA to discover from a REGISTER response a sequence of proxies between it and a known proxy offering outbound services for that UA.
>
>
> The approach taken in the draft generalizes the 3GPP requirements by allowing the sequences to be asymetric-- for example, the inbound and outbound sequences might traverse different proxies, or there might only be a sequence in one direction (A firewall proxy sits between UA and its registrar, but UA does not use the registrar for outbound services).
>
> I'd like to poll for three things:
>
> 1) Do we want to address the requirements raised by 3GPP?
>
> 2) Do we have a general consensus on something like the PATH header as an appopriate mechanism?
>
> 3) Is draft-willis-sip-path-01.txt a reasonable baseline document?
>
> If we have consensus on all three accounts, I propose to accept draft-willis-sip-path-01.txt as a working group document, and pursue future revisions as draft-ietf-sip.xx.
>
> If not, then please make a counterproposal.
>
> Opinions, please.
>
> --
> Dean
--
Miguel-Angel Garcia Oy LM Ericsson AB
Jorvas, Finland
mailto:Miguel.A.Garcia@ericsson.com Phone: +358 9 299 3553
mailto:Miguel.A.Garcia@piuha.net Mobile: +358 40 5140002
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