Re: [rtcweb] No-Bundle in just one peer

Justin Uberti <juberti@google.com> Mon, 11 November 2013 21:04 UTC

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From: Justin Uberti <juberti@google.com>
Date: Mon, 11 Nov 2013 13:03:43 -0800
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To: Lorenzo Miniero <lorenzo@meetecho.com>
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Subject: Re: [rtcweb] No-Bundle in just one peer
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No, B cannot BUNDLE if A is not BUNDLEing. There are a number of corner
cases where things don't work right in the situation described above.


On Mon, Nov 11, 2013 at 10:17 AM, Lorenzo Miniero <lorenzo@meetecho.com>wrote;wrote:

> Il giorno Mon, 11 Nov 2013 19:12:01 +0100
> Iñaki Baz Castillo <ibc@aliax.net> ha scritto:
>
> > Hi,
> >
> > In case peer A sends a SPD without Bundle support (so it needs to
> > receive incoming tracks in separate ports and send tracks from
> > separate ports) does it aslo mean that peer B must not use Bundle? Or
> > could peer A use two local ports (no Bundle) to send/receive tracks
> > to/from a single port in peer B?
> >
> > Thanks a lot.
> >
> > --
> > Iñaki Baz Castillo
> > <ibc@aliax.net>
>
>
> Hi Iñaki,
>
> not sure what the spec currently mandates, but this works already in
> existing implementations. Peer A just needs to do the ICE and DTLS
> dance twice from its two ports towards the single port in B (twice or
> more, in case you're not muxing RTCP either).
>
> Lorenzo
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