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From: Dave Taht <dave.taht@gmail.com>
To: Jonathan Morton <chromatix99@gmail.com>
Cc: jonathan.kua@deakin.edu.au, Cake List <cake@lists.bufferbloat.net>
Subject: Re: [Cake] Understanding the Achieved Rate Multiplication Effect in FlowQueue-based AQM Bottleneck
Date: Sat, 4 Dec 2021 10:44:42 -0800	[thread overview]
Message-ID: <CAA93jw6GeQxF59zX=Co1t_28CxLhi6M_Rn=TBYK8sZtRV1enQQ@mail.gmail.com> (raw)
In-Reply-To: <0A6AB0B7-E010-42E3-BAEE-FCBFA5995117@gmail.com>

It was the conquest tool they referenced that really caught my eye

https://www.youtube.com/watch?v=Q3FFzB0SUjc

"ConQuest: Fine-Grained Queue Measurement in the Data Plane"

On Fri, Dec 3, 2021 at 4:09 PM Jonathan Morton <chromatix99@gmail.com> wrote:
>
> > On 4 Dec, 2021, at 12:27 am, Dave Taht <dave.taht@gmail.com> wrote:
> >
> > https://jonathankua.github.io/preprints/jkua-ieeelcn2021_understanding_ar_preprint-20jul2021.pdf
> >
> > I would love it if somehow the measured effects of chunklets against cake's per-host/per flow fq was examined one day.
>
> I haven't actually measured it, but based on what the above paper says, I can make some firm predictions:
>
> 1: When competing against traffic to the same local host, the performance effects they describe will be present.
>
> 2: When competing against traffic to a different local-network host, the performance effects they describe will be attenuated or even entirely absent.
>
> 3: They noted one or two cases of observable effects of hash collisions in their tests with FQ-Codel.  These will be greatly reduced in prevalence with Cake, due to the set-associative hash function which specifically addresses that phenomenon.
>
>  - Jonathan Morton



-- 
I tried to build a better future, a few times:
https://wayforward.archive.org/?site=https%3A%2F%2Fwww.icei.org

Dave Täht CEO, TekLibre, LLC

  reply	other threads:[~2021-12-04 18:44 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-03 22:27 Dave Taht
2021-12-04  0:09 ` Jonathan Morton
2021-12-04 18:44   ` Dave Taht [this message]
2021-12-04 22:29     ` David P. Reed
2021-12-05  1:20       ` Dave Taht
2021-12-04 23:01   ` David P. Reed
2021-12-05  1:24     ` Dave Taht
2021-12-07 20:04       ` David P. Reed

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