From: David Collier-Brown <davec-b@rogers.com>
To: codel@lists.bufferbloat.net
Subject: [Codel] Re: [Cake] Re: [Bloat] Re: CAKE-MQ merged to OpenWrt 25.12 today (February 15)
Date: Tue, 17 Feb 2026 12:15:52 -0500 [thread overview]
Message-ID: <bec8b785-8b88-48b7-8e5f-3748e6281020@rogers.com> (raw)
In-Reply-To: <878qcrpbyp.fsf@toke.dk>
On 2/17/26 11:32, Toke Høiland-Jørgensen via Codel wrote:
> Yes, very. Don't think it's actually possible to use that 1G link with
> TCP without ACK thinning of some kind. The full-MTU-to-ACK ratio is ~47
> (1500/32; this is assuming one 64-byte ACK for every two 1500-byte
> packets), so you can only use ~470 Mbps downstream with 10M up. CAKE's
> ACK thinning should help here, but you need to turn that on explicitly
> by adding 'ack-filter' to eqdisc_opts in the config.
Should we change the default to do well with typical US ill-formed
offerings?
--dave
--
David Collier-Brown, | Always do right. This will gratify
System Programmer and Author | some people and astonish the rest
davecb@spamcop.net | -- Mark Twain
next prev parent reply other threads:[~2026-02-17 17:16 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-15 17:42 [Codel] CAKE-MQ merged to OpenWrt 25.12 today (February 15) Frantisek Borsik
2026-02-17 6:10 ` [Codel] Re: [Cake] " dave seddon
2026-02-17 6:41 ` [Codel] Re: [Bloat] " Stephen Hemminger
2026-02-17 13:23 ` Toke Høiland-Jørgensen
2026-02-17 14:34 ` [Codel] Re: [Cake] Re: [Bloat] " Stephen Hemminger
2026-02-17 16:32 ` Toke Høiland-Jørgensen
2026-02-17 17:15 ` David Collier-Brown [this message]
2026-02-20 15:59 ` dave seddon
2026-02-23 10:18 ` Toke Høiland-Jørgensen
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