From: David Lang <david@lang.hm>
To: Jonathan Morton <chromatix99@gmail.com>
Cc: "Steinar H. Gunderson" <sgunderson@bigfoot.com>,
"cerowrt-devel@lists.bufferbloat.net"
<cerowrt-devel@lists.bufferbloat.net>,
Michael Welzl <michawe@ifi.uio.no>,
bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Cerowrt-devel] [Bloat] DOCSIS 3+ recommendation?
Date: Fri, 20 Mar 2015 17:38:26 -0700 (PDT) [thread overview]
Message-ID: <alpine.DEB.2.02.1503201736160.22474@nftneq.ynat.uz> (raw)
In-Reply-To: <D89D7FB2-B0BD-48B0-B000-00507D1E44CB@gmail.com>
[-- Attachment #1: Type: TEXT/PLAIN, Size: 782 bytes --]
On Sat, 21 Mar 2015, Jonathan Morton wrote:
>> On 21 Mar, 2015, at 02:25, David Lang <david@lang.hm> wrote:
>>
>> As I said, there are two possibilities
>>
>> 1. if you mark packets sooner than you would drop them, advantage non-ECN
>>
>> 2. if you mark packets and don't drop them until higher levels, advantage ECN, and big advantage to fake ECN
>
> 3: if you have flow isolation with drop-from-longest-queue-on-overflow, faking ECN doesn’t matter to other traffic - it just turns the faker’s allocation of queue into a dumb, non-AQM one. No problem.
so if every flow is isolated so that what it generates has no effect on any
other traffic, what value does ECN provide?
and how do you decide what the fair allocation of bandwidth is between all the
threads?
David Lang
next prev parent reply other threads:[~2015-03-21 0:38 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-16 20:35 [Cerowrt-devel] " Matt Taggart
2015-03-17 23:32 ` Valdis.Kletnieks
2015-03-18 4:34 ` David P. Reed
2015-03-18 6:26 ` Jonathan Morton
2015-03-18 19:38 ` JF Tremblay
2015-03-18 19:50 ` Jonathan Morton
2015-03-19 13:53 ` dpreed
2015-03-19 14:11 ` JF Tremblay
2015-03-19 15:38 ` dpreed
2015-03-19 15:40 ` Jim Gettys
2015-03-19 17:04 ` Michael Richardson
2015-03-19 17:14 ` Jonathan Morton
2015-03-19 17:11 ` Dave Taht
2015-03-19 19:58 ` [Cerowrt-devel] [Bloat] " Livingood, Jason
2015-03-19 20:29 ` dpreed
2015-03-19 23:18 ` Greg White
2015-03-20 8:18 ` MUSCARIELLO Luca IMT/OLN
2015-03-20 13:31 ` David P. Reed
2015-03-20 13:46 ` Sebastian Moeller
2015-03-20 14:05 ` MUSCARIELLO Luca IMT/OLN
2015-03-20 10:07 ` Sebastian Moeller
2015-03-20 13:50 ` [Cerowrt-devel] Latency Measurements in Speed Test suites (was: DOCSIS 3+ recommendation?) Rich Brown
2015-03-29 17:36 ` [Cerowrt-devel] [Bloat] " Pedro Tumusok
2015-03-30 7:06 ` Jonathan Morton
2015-03-20 13:57 ` [Cerowrt-devel] [Bloat] DOCSIS 3+ recommendation? Livingood, Jason
2015-03-20 14:08 ` David P. Reed
2015-03-20 14:14 ` MUSCARIELLO Luca IMT/OLN
2015-03-20 14:48 ` Matt Mathis
2015-03-20 18:04 ` Valdis.Kletnieks
2015-03-20 13:48 ` Jim Gettys
2015-03-20 14:11 ` Livingood, Jason
2015-03-20 14:54 ` Michael Welzl
2015-03-20 15:31 ` Jim Gettys
2015-03-20 15:39 ` Michael Welzl
2015-03-20 16:31 ` Jonathan Morton
2015-03-20 20:59 ` Michael Welzl
2015-03-20 23:47 ` David P. Reed
2015-03-21 0:08 ` Michael Welzl
2015-03-21 0:03 ` David Lang
2015-03-21 0:13 ` Steinar H. Gunderson
2015-03-21 0:25 ` David Lang
2015-03-21 0:34 ` Jonathan Morton
2015-03-21 0:38 ` David Lang [this message]
2015-03-21 0:43 ` Jonathan Morton
2015-03-22 4:15 ` Michael Welzl
2015-03-21 0:15 ` Michael Welzl
2015-03-21 0:29 ` David Lang
2015-03-22 4:10 ` Michael Welzl
2015-03-20 18:14 ` Jonathan Morton
2015-03-18 8:06 ` [Cerowrt-devel] " Sebastian Moeller
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