Re: [bfcpbis] [MMUSIC] m= line protocol in case of ICE

Christer Holmberg <christer.holmberg@ericsson.com> Mon, 21 November 2016 09:28 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: =?utf-8?B?ScOxYWtpIEJheiBDYXN0aWxsbw==?= <ibc@aliax.net>, Roman Shpount <roman@telurix.com>
Thread-Topic: [MMUSIC] m= line protocol in case of ICE
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Date: Mon, 21 Nov 2016 09:27:14 +0000
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Cc: "ice@ietf.org" <ice@ietf.org>, "bfcpbis@ietf.org" <bfcpbis@ietf.org>, "mmusic@ietf.org" <mmusic@ietf.org>, Alan Ford <alan.ford@gmail.com>
Subject: Re: [bfcpbis] [MMUSIC] m= line protocol in case of ICE
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Hi,

>> I just wanted to add to my previous email, that according to RFC 6544 
>> protocols running over tcp candidates MUST use  RFC 4571 framing 
>> (https://tools.ietf.org/html/rfc6544#section-10.1). This means that 
>> BFCP running over tcp candidate is not TCP/BFCP and will require a 
>> different transport tag.
>
> IMHO the exact transport is just "ICE". ICE itself is a "virtual transport" that can use 
> many "real transports" (UDP, TCP+RFC4571, etc).
>
> So ICE/BFCP would be my way to go.

This has been discussed before: the procedures have to be backward compatible with non-ICE endpoints.

If anyone wants to define new "ICE transports", that's fine, but it should be done as a separate task.

Regards,

Christer