Re: [rtcweb] AVPF vs AVP

Randell Jesup <randell-ietf@jesup.org> Wed, 14 September 2011 17:08 UTC

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Subject: Re: [rtcweb] AVPF vs AVP
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On 9/14/2011 8:08 AM, Magnus Westerlund wrote:
> This leaves us with any signaling incompatibilities when talking to a
> legacy device. If one don't want to use cap-neg I see two directions to go:
>
> 1) RTCWEB end-point will always signal AVPF or SAVPF. I signalling
> gateway to legacy will change that by removing the F to AVP or SAVP.
>
> 2) RTCWEB end-point will always use AVPF but signal it as AVP. It will
> detect the AVPF capabilities of the other end-point based on the
> signaling of the feedback events intended to be used.
>
> I think 1) is cleaner for the future. 2) might be more pragmatic.

I think this is something we should consider; I'll note that WorldGate 
has been using option 2 for the last 7 or so years with no problems.

-- 
Randell Jesup
randell-ietf@jesup.org