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Re: [rtcweb] Data Transport, was: Re: RTCWeb default signaling protocol [was RE: About defining a signaling protocol for WebRTC (or not)]

Saúl Ibarra Corretgé <saul@ag-projects.com> Wed, 21 September 2011 13:46 UTC

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From: Saúl Ibarra Corretgé <saul@ag-projects.com>
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Date: Wed, 21 Sep 2011 15:48:32 +0200
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To: Hadriel Kaplan <HKaplan@acmepacket.com>
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Cc: "<rtcweb@ietf.org>" <rtcweb@ietf.org>, Colin Perkins <csp@csperkins.org>
Subject: Re: [rtcweb] Data Transport, was: Re: RTCWeb default signaling protocol [was RE: About defining a signaling protocol for WebRTC (or not)]
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Hi,

On Sep 21, 2011, at 1:45 PM, Hadriel Kaplan wrote:

> 
> Just to make sure I'm on the same wavelength, you're talking about:
> 1) Defining PseudoTCP over UDP (a la libnice and jingle) for stream-oriented reliable data delivery.
> 2) Defining DDCP over UDP for message-oriented unreliable data delivery.
> 3) Requiring the browser to implement and only expose those two options for the "data" stream type and not raw UDP, so that we can enforce congestion control of the data channel. (oh, and the option for it to be PseudoTCP/DTLS/UDP or DCCP/DTLS/UDP)
> 

I'm not familiar with DDCP, but MSRP requires a reliable transport AFAIK, so would DDCP be appropriate for that purpose, for example? I guess that Pseudo TCP would.


Regards,

--
Saúl Ibarra Corretgé
AG Projects

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