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Re: [rtcweb] Fwd: New Version Notification for draft-kaufman-rtp-compatible-data-00.txt

Matthew Kaufman <matthew.kaufman@skype.net> Mon, 11 July 2011 16:59 UTC

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From: Matthew Kaufman <matthew.kaufman@skype.net>
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Date: Mon, 11 Jul 2011 09:59:34 -0700
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To: Stefan Håkansson LK <stefan.lk.hakansson@ericsson.com>
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Subject: Re: [rtcweb] Fwd: New Version Notification for draft-kaufman-rtp-compatible-data-00.txt
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On Jul 1, 2011, at 5:10 AM, Stefan Håkansson LK wrote:

> Reading the draft I get the impression that the intention is to multiplex (multiple) RTP streams with arbitrary datagrams on the same 5-tuple. In that light the method lacks IMO:
> 
> * There is no multiplexing support for different RTP flows - as discussed at the Interim meeting session separation should be maintained

This draft doesn't address that.

> 
> * There is no support for rate/congestion control of the datagrams
> 

Correct. This is a tool for getting datagrams sent and received. Congestion control, reliability, etc. are all a high-layer problem than this.

> * There is no support for multiplexing different datagram flows (the need for this can be argued though - could be done by the web app)
> 

I would argue that this is an application problem, or possibly the responsibility of a layer that goes above this.

Matthew Kaufman

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