Re: [rtcweb] Summary of ICE discussion

Matthew Kaufman <matthew.kaufman@skype.net> Wed, 05 October 2011 02:46 UTC

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Date: Tue, 04 Oct 2011 19:48:14 -0700
From: Matthew Kaufman <matthew.kaufman@skype.net>
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To: Cullen Jennings <fluffy@cisco.com>
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Cc: rtcweb@ietf.org
Subject: Re: [rtcweb] Summary of ICE discussion
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On 10/4/2011 3:40 PM, Cullen Jennings wrote:
> Could you say more... I'm not following your logic.
>
>
> On Oct 4, 2011, at 10:47 AM, Bernard Aboba wrote:
>
>> In particular, I'm concerned about vulnerabilities created by multiplexing
>> audio and video on the same port.  When that is done, the ICE procedure loses
>> some of its DoS prevention properties.
>>

I think what he's concerned about is that a device might consent (using 
ICE) to receive audio and unexpectedly receive multiplexed video on the 
same RTP port.

Not sure this really matters, as there's not much difference between 
low-frame-rate low-res video and 16-bit linear stereo PCM at 48 kHz 
(which might indeed be an audio codec you can choose).

Matthew Kaufman