Re: [AVTCORE] [tsvwg] [rtcweb] WG Last Call on changes: draft-ietf-avtcore-rtp-circuit-breakers-16

John Leslie <john@jlc.net> Tue, 28 June 2016 00:04 UTC

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Date: Mon, 27 Jun 2016 20:04:00 -0400
From: John Leslie <john@jlc.net>
To: Colin Perkins <csp@csperkins.org>
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Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>, tsvwg <tsvwg@ietf.org>, Michael Welzl <michawe@ifi.uio.no>, IETF AVTCore WG <avt@ietf.org>
Subject: Re: [AVTCORE] [tsvwg] [rtcweb] WG Last Call on changes: draft-ietf-avtcore-rtp-circuit-breakers-16
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Colin Perkins <csp@csperkins.org>; wrote:
>  On 27 Jun 2016, at 21:52, Michael Welzl <michawe@ifi.uio.no>; wrote:
>
>> Why even bother considering CE-marks as information for a circuit breaker?
> 
> Because the alternative is that we only break the circuit once the queue
> has been driven into overflow, and packets have been lost.
> We want to avoid that, since it causes latency, and too much latency is
> very bad for the user experience. 

   If you want a circuit-breaker to control latency, why aren't you measuring
latency?

--
John Leslie <john@jlc.net>;