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

"Matthew Kaufman (SKYPE)" <matthew.kaufman@skype.net> Fri, 15 February 2013 21:56 UTC

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From: "Matthew Kaufman (SKYPE)" <matthew.kaufman@skype.net>
To: Martin Thomson <martin.thomson@gmail.com>
Thread-Topic: [rtcweb] Data Channel Negotiation and reopening of decisions
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Date: Fri, 15 Feb 2013 21:56:12 +0000
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Cc: Randell Jesup <randell-ietf@jesup.org>, "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] Data Channel Negotiation and reopening of decisions
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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)

Matthew Kaufman

(Sent from my iPhone)

On Feb 15, 2013, at 1:16 PM, "Martin Thomson" <martin.thomson@gmail.com> wrote:

> On 15 February 2013 12:55, Michael Tuexen
> <Michael.Tuexen@lurchi.franken.de> wrote:
>> I think I understand what you are proposing. But what happens, if
>> both sides at about the same time open want to open a data channel.
>> For both sides outgoing stream X is free, so they use this. So the
>> endpoints end up with one data channel instead of two.
> 
> Actually, I'd go further than that.  I'd require that browser
> implement the same algorithm for selecting the stream to use.  That
> implies that in all cases other than the rarest race conditions, you
> get the same data channel.
> _______________________________________________
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> rtcweb@ietf.org
> https://www.ietf.org/mailman/listinfo/rtcweb
>