Re: [AVT] Offer/answer questions on RFC 4585

[Magnus Westerlund <[e-mail]>]

Even, Roni skrev:
> Christer
> This is my view. The different between AVP and AVPF is in the RTCP
> messages so if the receiver understands the SDP of AVPF nothing bad will
> happen.

Hmmm, I would not fully agree with this. I think it will work. However,
there are important difference in the RTCP timing rules between AVPF and
AVP, even when no AVPF feedback messages are used. Thus, the processing
of timing out SSRCs can be affected. But normally there is very little
difference unless feedback messages are sent. I do expect things to
work, unless the AVP receivers are strict about checking the timing
behavior of the other senders (which it really shouldn't do).

So one better test this well with the AVP implementation one is actually
using.

Cheers

Magnus Westerlund

IETF Transport Area Director & TSVWG Chair
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