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

"Fred Baker (fred)" <fred@cisco.com> Tue, 28 June 2016 00:10 UTC

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From: "Fred Baker (fred)" <fred@cisco.com>
To: John Leslie <john@jlc.net>
Thread-Topic: [tsvwg] [AVTCORE] [rtcweb] WG Last Call on changes: draft-ietf-avtcore-rtp-circuit-breakers-16
Thread-Index: AQHR0NGCnW55W4e6ZUygJkpoCO5zfg==
Date: Tue, 28 Jun 2016 00:10:42 +0000
Message-ID: <CF270C0A-8173-40FF-8C37-E4C7FF23FB72@cisco.com>
References: <E16BEA87-1D0F-48F1-A9AC-2729079D581D@tik.ee.ethz.ch> <8C16F1C6-B4A7-4BB4-B215-D7E7EAF308F8@erg.abdn.ac.uk> <CE03DB3D7B45C245BCA0D243277949362F59C41D@MX307CL04.corp.emc.com> <3E053A65-2698-4749-8E3D-E0451DF84011@ifi.uio.no> <BF6B00CC65FD2D45A326E74492B2C19FB76A6433@FR711WXCHMBA05.zeu.alcatel-lucent.com> <32a23d69d22062669f78df806a4eb6b8.squirrel@erg.abdn.ac.uk> <BF6B00CC65FD2D45A326E74492B2C19FB76A659B@FR711WXCHMBA05.zeu.alcatel-lucent.com> <CE03DB3D7B45C245BCA0D243277949362F5AEE02@MX307CL04.corp.emc.com> <6E35FB6C-CA98-413C-B7AE-75402A968017@ifi.uio.no> <3FD27BBF-8E2D-4A42-86A0-C4C0692FF8C9@csperkins.org> <20160628000400.GA1223@verdi>
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Cc: IETF AVTCore WG <avt@ietf.org>, "rtcweb@ietf.org" <rtcweb@ietf.org>, Colin Perkins <csp@csperkins.org>, Michael Welzl <michawe@ifi.uio.no>, tsvwg <tsvwg@ietf.org>
Subject: Re: [AVTCORE] [tsvwg] [rtcweb] WG Last Call on changes: draft-ietf-avtcore-rtp-circuit-breakers-16
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> On Jun 27, 2016, at 5:04 PM, John Leslie <john@jlc.net> wrote:
> 
> 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?

You mean, like CoDel?

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