Re: [Sip] draft-ietf-sip-outbound

[Hadriel Kaplan <HKaplan at acmepacket.com>]

> -----Original Message-----
> From: Juha Heinanen [mailto:jh at tutpro.com]
>
> ob draft does not "anable UA to bind to multiple proxies".  rfc3261
> already allows and enables UA to bind to multiple proxies.

But 3261 would sometimes make the registrar-proxy fork requests to those contacts through the multiple edge proxies, because as far as it knew they were unique instances.  Outbound would not.  3261 would also keep stale contacts (from dead flows) for the register lifetime, whereas outbound replaces them.  And 3261 did not have connect-reuse behavior for the endpoint-proxy flow, although obviously in practice many proxies did that anyway for endpoint flows.

-hadriel
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