From: Michael Welzl <michawe@ifi.uio.no>
To: Jonathan Morton <chromatix99@gmail.com>
Cc: bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Bloat] I feel an urge to update this
Date: Sat, 20 Sep 2014 18:47:13 +0200 [thread overview]
Message-ID: <6621FB1D-F556-4485-B18B-B376441EEEC1@ifi.uio.no> (raw)
In-Reply-To: <0878F265-DDEA-416F-A54C-7B860A9C3A31@gmail.com>
fwiw: http://tools.ietf.org/id/draft-sallantin-iccrg-initial-spreading-01.txt
Sent from my iPhone
> On 20. sep. 2014, at 17:55, Jonathan Morton <chromatix99@gmail.com> wrote:
>
>
>> On 20 Sep, 2014, at 12:03 pm, Steinar H. Gunderson wrote:
>>
>>> On Sat, Sep 20, 2014 at 02:33:06AM +0300, Dave Taht wrote:
>>> http://tools.ietf.org/html/draft-gettys-iw10-considered-harmful-00
>>
>> The pedant in me wants to point out that 4 -> 10 is not “2.5 times worse”,
>> but “2.5 times as bad” or “1.5 times worse” (just as 4 -> 5 is “20% worse”,
>> “0.2 times worse” or “1.2 times as bad”).
>
> ISTR seeing some concrete test data showing that IW10 doesn't even work as designed, unless TCP pacing of some type is used to spread out the burst. That's *despite* bloated buffers. Really puts the nail in the coffin, if you ask me.
>
> The recent work on SQM could be added to the list of mitigation measures. Also, by keeping inter-flow latency low, it greatly reduces the original motivation for IW10 in the first place.
>
> - Jonathan Morton
> _______________________________________________
> Bloat mailing list
> Bloat@lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/bloat
next prev parent reply other threads:[~2014-09-20 16:47 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-19 23:33 Dave Taht
2014-09-20 9:03 ` Steinar H. Gunderson
2014-09-20 15:55 ` Jonathan Morton
2014-09-20 16:47 ` Michael Welzl [this message]
2014-09-23 5:48 ` Mikael Abrahamsson
2014-09-23 8:31 ` Jonathan Morton
2014-09-25 4:16 ` David Lang
2014-09-25 5:32 ` Mikael Abrahamsson
2014-09-25 7:35 ` David Lang
2014-09-25 8:08 ` Mikael Abrahamsson
2014-09-25 11:00 ` David Lang
2014-09-25 13:00 ` Mikael Abrahamsson
2014-09-25 13:25 ` Dave Taht
2014-09-25 14:35 ` Mikael Abrahamsson
2014-09-25 16:09 ` Rick Jones
2014-09-25 17:26 ` Mikael Abrahamsson
2014-09-25 17:49 ` Rick Jones
2014-09-27 8:59 ` Manolis Sifalakis
2014-09-29 17:28 ` Rick Jones
2014-10-04 19:56 ` Manolis Sifalakis
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