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Re: [rtcweb] Data Channel Negotiation and reopening of decisions

Randell Jesup <randell-ietf@jesup.org> Sat, 16 February 2013 06:36 UTC

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Date: Sat, 16 Feb 2013 01:34:38 -0500
From: Randell Jesup <randell-ietf@jesup.org>
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Subject: Re: [rtcweb] Data Channel Negotiation and reopening of decisions
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On 2/15/2013 4:56 PM, Matthew Kaufman (SKYPE) wrote:
> None if this would be a problem if we weren't making the mistake of using SCTP, which itself made the mistake of doing full-duplex channels instead of unidirectional channels with optional one-to-one or even many-to-one associations (as RTMFP has, as an example)

SCTP only has unidirectional streams.

If you're referring to the DataChannel protocol, there was a strong wish 
on the mailing list (and W3) for websockets-like bidirectional channels, 
so we built a simple protocol to allow us to set up bidirectional pairs 
of SCTP streams to create channels.

-- 
Randell Jesup
randell-ietf@jesup.org

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