From: Sebastian Moeller <moeller0@gmx.de>
To: Jonathan Morton <chromatix99@gmail.com>
Cc: "Dave Täht" <dave.taht@gmail.com>,
"Cake List" <cake@lists.bufferbloat.net>,
ECN-Sane <ecn-sane@lists.bufferbloat.net>
Subject: Re: [Ecn-sane] [Cake] l4s kernel submission
Date: Sat, 16 Oct 2021 12:29:01 +0200 [thread overview]
Message-ID: <1FCB2CB8-CFCB-49D4-9274-3CA6398ECB46@gmx.de> (raw)
In-Reply-To: <C6AC65FB-9BBB-4FCE-8C9F-A270680617C1@gmail.com>
> On Oct 16, 2021, at 10:54, Jonathan Morton <chromatix99@gmail.com> wrote:
>
>> On 16 Oct, 2021, at 11:38 am, Sebastian Moeller <moeller0@gmx.de> wrote:
>>
>> I also think that some one subscribed should weight in on the exempt one packet from marking, especially in the light of GRO/GSO.
>
> I do have some experience with this from Cake, but Cake has the distinct benefit of (usually) knowing what the dequeue rate is, without having to estimate it. Without that knowledge, I'm not sure it's profitable to guess - except to specifically avoid tail *loss*, which is not at all the same as *marking* the last packet.
>
> - Jonathan Morton
Yes, in SQM/cake we opted for making the target >= 1.5 times the transmission time of a full sized packet, I think that is the correct solution for slow links, but if one goes the exempt one packet from marking this requires GSO-splitting at least n slow links, no?
Regards
Sebastian
next prev parent reply other threads:[~2021-10-16 10:29 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-14 20:06 [Ecn-sane] " Dave Taht
2021-10-14 20:31 ` [Ecn-sane] [Cake] " Sebastian Moeller
2021-10-14 21:27 ` Dave Taht
2021-10-14 21:44 ` Toke Høiland-Jørgensen
2021-10-14 22:00 ` Dave Taht
2021-10-14 22:10 ` Toke Høiland-Jørgensen
2021-10-14 22:17 ` Dave Taht
2021-10-16 8:04 ` Jonathan Morton
2021-10-16 8:38 ` Sebastian Moeller
2021-10-16 8:54 ` Jonathan Morton
2021-10-16 10:29 ` Sebastian Moeller [this message]
2021-10-16 12:49 ` Sebastian Moeller
2021-10-16 16:58 ` Rodney W. Grimes
2021-10-16 21:01 ` Dave Taht
2021-10-18 13:02 ` Toke Høiland-Jørgensen
2021-10-19 2:45 ` Dave Taht
2021-10-19 11:19 ` Toke Høiland-Jørgensen
2021-10-19 13:30 ` Dave Taht
2021-10-19 13:34 ` Sebastian Moeller
2021-10-19 14:16 ` Dave Taht
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