IETF
rmcat@jabber.ietf.org
Monday, March 11, 2013< ^ >
martin.thomson has set the subject to: bufferbloat
Room Configuration
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[12:53:55] rscheff joins the room
[12:55:31] rscheff has set the subject to: bloated buffers
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[13:01:22] <gorryf> Session starting - IPR note to all participants
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[13:11:24] <gorryf> I'll watch the jabber room - let me know if you are remote and have questions
[13:11:52] <weddy> I think everyone in the jabber room is in the real room
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[13:39:09] <rscheff> mirja joined the audio stream a few mins ago
[13:40:12] <hta> Lars, I can't be here after the meeting, but I'm willing to spend time on that design team.
[13:46:26] <rscheff> @Gorry: we have one remote participant (Matthias)
[13:48:13] <rscheff> slide: summary
[13:50:21] <Matthias Kaschub> the audio is kind of gone
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[13:52:09] <rscheff> @Mirja: sent a ticket to mtd@ietf.org
[13:58:06] <rscheff> silde: media
[13:59:01] <rscheff> discussing about tests
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[13:59:49] <rscheff> eval scenarios (prev slide)
[14:00:16] <rscheff> gorry asking where 300ms comes from, what is included in that number
[14:00:26] <rscheff> what is the impact on rmcat
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[14:10:30] <rscheff> slide: eval scenario 1/3
[14:11:20] <rscheff> eval scenarios (slide -3)
[14:11:33] <rscheff> back on eval scen. 1/3 slide
[14:11:57] <rscheff> eval scen 2/3
[14:14:01] <rscheff> evan 3/3
[14:14:14] <rscheff> open issues
[14:14:15] <rscheff> open issues
[14:14:57] <rscheff> eval 3/3
[14:15:03] <rscheff> matt:
[14:15:22] <rscheff> @mic single queue or multiple queue assumtion
[14:15:31] <rscheff> other traffic in differetn queue, not stated
[14:15:37] <rscheff> should be stated
[14:15:51] <rscheff> or that is destined to fail
[14:16:33] <Mirja > dont have audio
[14:16:49] <Mirja > but whas about scenarios with TCP cross traffic
[14:17:24] <rscheff> should be defined to be treated in different queues
[14:18:04] <rscheff> consensus call on randells doc
[14:18:19] <rscheff> ~20 hands up
[14:18:25] <rscheff> for adoptiong
[14:18:31] <rscheff> zero hands against
[14:18:38] <rscheff> cc-eval
[14:18:50] <rscheff> about 10 hands up
[14:19:01] <rscheff> 5 hand against
[14:20:19] <rscheff> michael coming up, preparing laptop
[14:21:23] <rscheff> slide: coupled-cc
[14:21:47] <rscheff> 2nd slidge
[14:21:55] <rscheff> context
[14:26:16] <rscheff> flow state exchange 2
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[14:28:36] <rscheff> algorithms in the draft
[14:29:37] <rscheff> magnus: different streams (data channels, http flows etc)
[14:29:46] <rscheff> can this draft cover all use cases?
[14:29:53] <rscheff> michael: not in this version
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[14:34:21] <rscheff> slide: example
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[14:35:10] <rscheff> slide: current stte of things
[14:36:38] <rscheff> slide: really only on the sender side?
[14:38:06] <rscheff> yes: draft is crazy
[14:38:10] <rscheff> in a good way
[14:39:29] <rscheff> Next presentation, RTCP feeedback
[14:39:46] <rscheff> motivation
[14:40:57] <rscheff> per packet feedback
[14:42:40] <rscheff> per frame feedback
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[14:45:18] <rscheff> next slide
[14:45:26] <rscheff> no optimizations
[14:46:37] <rscheff> purposefully picking worst case reporting bacndwidht
[14:48:30] <rscheff> slide: discussion
[15:03:55] <rscheff> rmcat-nada slides
[15:05:28] <rscheff> agenda
[15:06:03] <rscheff> design goal 1
[15:06:36] <rscheff> design goal 2
[15:07:17] <rscheff> design goal 3
[15:07:38] <rscheff> congestion signals at the network node
[15:08:07] <rscheff> receiver behaviour
[15:09:25] <rscheff> sender operation
[15:11:51] <rscheff> result at equilibrium
[15:12:23] <rscheff> simulation setup
[15:12:45] <rscheff> without ecn
[15:14:02] <rscheff> without ecn, bottleneck queue len
[15:14:20] <rscheff> without ecn , cong signal
[15:14:35] <rscheff> without ecn packet los ratio
[15:14:45] <rscheff> with ecn, congestion signal
[15:15:27] <rscheff> with pcn, congestion signal
[15:16:11] <rscheff> key benefits of nada
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[15:20:46] <rscheff> back to non-ecn , queue len
[15:21:51] <rscheff> results at equilibirum
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