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Re: [Ice] Re-nomination and candidate pair switching in RFC 5245bis - PROPOSAL

Christer Holmberg <christer.holmberg@ericsson.com> Tue, 05 September 2017 12:26 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Bernard Aboba <bernard.aboba@gmail.com>
CC: Emil Ivov <emcho@jitsi.org>, Peter Thatcher <pthatcher@google.com>, "ice@ietf.org" <ice@ietf.org>
Thread-Topic: [Ice] Re-nomination and candidate pair switching in RFC 5245bis - PROPOSAL
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Date: Tue, 05 Sep 2017 12:26:33 +0000
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Subject: Re: [Ice] Re-nomination and candidate pair switching in RFC 5245bis - PROPOSAL
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Hi,

>>Peter (and others interested),
>> 
>> IF you want some change to the current behaviour, where a re-nomination
>>is
>> NOT allowed, you need to participate in the discussion NOW. We are
>>moving
>> towards WGLC, and we should close the window for technical changes
>> (non-bug fixing).
>> 
>> If I understood Bernard correctly, he was asking for having multiple
>> SIMULTANEOUS nominations, in order to do RTP multipath stuff etc. I
>> personally think that is outside the scope of 5245bis. I think the
>> question is whether we should allow re-nominations of single candidate
>> pairs.
>
>[BA] Actually, I was just trying to understand what the current draft
>allows and why. As it stands, the draft appears to support multi-path RTP
>before nomination, but not after.

Currently, the draft allows switching between pairs before nomination,
yes. As for WHY, I assume it is to allow media transport before the ICE
procedures have finished.

Regards,

Christer





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