Re: [rtcweb] 答复: Fwd: I-D Action: draft-westerlund-rtcweb-codec-control-00.txt

Martin Thomson <martin.thomson@gmail.com> Mon, 21 May 2012 15:42 UTC

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Date: Mon, 21 May 2012 08:42:42 -0700
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From: Martin Thomson <martin.thomson@gmail.com>
To: Magnus Westerlund <magnus.westerlund@ericsson.com>
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Subject: Re: [rtcweb] 答复: Fwd: I-D Action: draft-westerlund-rtcweb-codec-control-00.txt
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> On 2012-05-21 03:44, 邓灵莉/denglingli wrote:
>> That the initial downgrading of the combined potential ceiling for collected
>> parameters for media quality (codec capabilities plus COP parameters as
>> stated in Section 5) through SDP transaction by a malicious participant.

As Magnus pointed out, this is true of anything that can be signaled.
The application can do anything up to (and including) a complete
denial of service.  The fact that the application is effectively the
victim of this attack means that we probably shouldn't concern
ourselves overmuch.