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Re: [sipcore] Happy Eyeballs for SIP / Summa Beatitudinem

"Asveren, Tolga" <tasveren@sonusnet.com> Mon, 19 December 2016 11:54 UTC

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From: "Asveren, Tolga" <tasveren@sonusnet.com>
To: "Olle E. Johansson" <oej@edvina.net>
Thread-Topic: [sipcore] Happy Eyeballs for SIP / Summa Beatitudinem
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Date: Mon, 19 Dec 2016 11:53:50 +0000
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Cc: "Dale R. Worley" <worley@ariadne.com>, "sipcore@ietf.org" <sipcore@ietf.org>
Subject: Re: [sipcore] Happy Eyeballs for SIP / Summa Beatitudinem
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> > > B) Use of Multiple Interfaces
> > > v- I think the ideal place to cover this would be RFC6555-bis (also
> > > by
> > considering other restrictions as mentioned in ii- above). I wouldn't
> > think that there would be a need for defining anything new in
> > draft-worley-sip-he-
> > connection-00 (?).
> >
> > A question here is how this works with SIP outbound - do we need two
> > outbound connections per interface? How do we handle reg-id and
> > failover in that case?
> >
> > It’s like inventing ICE for SIP… :-)
> [TOLGA] Yes, kind of. OTOH -like I stated in another message-, I am not keen
> about solutions/enhancements requiring hosting of multiple registration
> instances. In general, I think each address family/interface tuple should be
> handled as a possible combination. There *could* be cases where there is a
> need to extend the tuple with the destination related information as well
> (but I am not sure whether that would happen often enough in practice).
BTW, I don’t think this is "SIP specific". It needs to be defined in a generic way hence why I would think something for RFC6555bis.

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