Re: [MMUSIC] Seriously, USE-CANDIDATE!!! in 5245bis

Ari Keränen <ari.keranen@ericsson.com> Wed, 23 July 2014 21:46 UTC

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Date: Wed, 23 Jul 2014 17:46:35 -0400
From: Ari Keränen <ari.keranen@ericsson.com>
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To: Justin Uberti <juberti@google.com>
References: <53CD7C04.8070106@jitsi.org> <53CE7D0A.4030406@ericsson.com> <53CE7DDD.5030406@jitsi.org> <53CEE1A7.7070202@ericsson.com> <CAPvvaaKohXq8cZjUaQR6VvhHZ+Lkzzk2sQUn+iwSp_H1W6qaSA@mail.gmail.com> <53CFE322.5000508@ericsson.com> <CAOJ7v-07Rjy8Dqzy+Po-5tHKWjexhYcpcqrZbiP3kXBshpCrsw@mail.gmail.com>
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Subject: Re: [MMUSIC] Seriously, USE-CANDIDATE!!! in 5245bis
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On 7/23/14 3:58 PM, Justin Uberti wrote:
> The issue isn't just that you don't know when aggressive nomination has
> ended - it's that the CONTROLLING side can't truly express its desires
> to the CONTROLLED side, including use of some dynamic metric (e.g. RTT)
> to choose the active candidate pair instead of PRIORITY.
>
> With regular nomination, the CONTROLLING side has this option, but not
> with aggressive nomination. This is the core issue that I want to fix,
> and I would definitely want to fix this in the media plane using
> something like REALLY-USE-CANDIDATE, since it may change fairly quickly
> as RTT values stabilize.
>
> There are other things that we can try to fix at the same time, e.g. the
> CONTROLLED side can keep other candidate pairs warm and switch to them
> at any time (via another REALLY-USE-CANDIDATE).

OK, that's an interesting case. But if you want to change candidates 
over time, this actually sounds a bit like mobility with ICE?


Cheers,
Ari