Re: [rtcweb] Priorities - Was: Requesting "SDP or not SDP" debate to be re-opened .

Iñaki Baz Castillo <> Thu, 20 June 2013 16:42 UTC

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From: Iñaki Baz Castillo <>
Date: Thu, 20 Jun 2013 18:41:53 +0200
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To: "Hutton, Andrew" <>
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Subject: Re: [rtcweb] Priorities - Was: Requesting "SDP or not SDP" debate to be re-opened .
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2013/6/20 Hutton, Andrew <>:
> This has been debated many times in the working group and consensus in the past was to move forward with an SDP based API so evidence suggests that the majority of the working groups (IETF & W3C) believe it is possible to have a WebRTC 1.0 API which uses SDP.
> If we need to rigorously define an SDP profile for RTCWEB then that is what we should be doing rather like we do for RTP in the rtp-usage draft. In fact I think somebody started that work but there has been very little discussion in that direction.
> It seems to me we are making things more difficult than they need to be by trying to make complex extensions to SDP as part of WebRTC 1.0 which means we have a moving target with regards to SDP.
> If we keep things simple there is more chance of success.

Hi Andrew, please don't take me wrong but:

So the only arguments pro-SDP are "it was debated many times" (it
seems it does not matter than many people that agreed then have
changed their mind after getting experience), "let do something simple
for now based on SDP, something that allows a simple PSTN call" (so
SDP will be here forever and any future WebRTC app will have to deal
with SDP nightmares and will be subject to its O/A model, forever and

Iñaki Baz Castillo