Re: [rtcweb] TCP vs UDP for media

Eric Rescorla <ekr@rtfm.com> Tue, 15 May 2012 23:47 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Tue, 15 May 2012 16:46:49 -0700
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To: Ralph Giles <giles@thaumas.net>
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Subject: Re: [rtcweb] TCP vs UDP for media
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On Tue, May 15, 2012 at 4:38 PM, Ralph Giles <giles@thaumas.net> wrote:
> On 12-05-15 4:22 PM, Young, Milan wrote:
>
>> I'm wondering if any thought has been given to TCP as a media transport.
>
> Where low latency transmission isn't an issue, one can generally fall
> back to established TCP-based protocols, like HTTP streaming and
> websockets, so we haven't really worried about that angle in the context
> of webrtc.
>
> Recording the stream is a requirement, so probably something could be
> built using that, merging recordings from each endpoint to fix up any
> dropped packets.

Agreed. This seems like something that could be done using just
getUserMedia() plus existing Web technologies.

-Ekr