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

"Asveren, Tolga" <tasveren@sonusnet.com> Mon, 19 December 2016 06:42 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 06:42:10 +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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> -----Original Message-----
> From: Olle E. Johansson [mailto:oej@edvina.net]
> Sent: Sunday, December 18, 2016 11:30 AM
> To: Asveren, Tolga <tasveren@sonusnet.com>
> Cc: Olle E Johansson <oej@edvina.net>; Dale R. Worley
> <worley@ariadne.com>; sipcore@ietf.org
> Subject: Re: [sipcore] Happy Eyeballs for SIP / Summa Beatitudinem
> 
> 
> > On 18 Dec 2016, at 14:49, Asveren, Tolga <tasveren@sonusnet.com>
> wrote:
> >
> > iv- draft-worley-sip-he-connection-00
> > Defines SIP related procedures to use RFC6555 for SIP.
> ONLY for connection-oriented protocols.
> > This includes probing/keep-alive for existing connections, using an existing
> connection for all requests.
> > Would any "fast-failover after connection failure", e.g. toward the standby
> server after failure of the primary server, related procedures be in scope?
> For connection oriented protocols, any possible
> recommendations/improvements in this area would probably be limited to
> reusing the TLS connection. Is there anything SIP specific, which could help
> here?
> Isn’t that why we have SIP Outbound?
[TOLGA] Hosting multiple registration instances is costly and not desired/preferred for many cases. I was thinking more along the lines of "How to failover the TLS connection with minimal state synchronization", which may/may not end up requiring new procedures.

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