From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf1-x135.google.com (mail-lf1-x135.google.com [IPv6:2a00:1450:4864:20::135]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id D008B3B2A4; Sat, 16 Oct 2021 04:55:02 -0400 (EDT) Received: by mail-lf1-x135.google.com with SMTP id x27so51938026lfa.9; Sat, 16 Oct 2021 01:55:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=Epr45dOI2YECXa73+j3rmGAHuIz0+GPPxtA1TmvQWsc=; b=bqj7WAkEk1IFIN/hatGK29WQRtm5TPs0QepVCpTuRhN5FI3QeefDGeb0XcaHct9KrN UlZqOThHXu16XAHYdB3bpXzg4t/4OIKunV5pWG5to7C4b0EYRdF0dVbLq2s9UaPZLtkF 9pziHEu2d88sA7mHnYJW6kybuRGgCfsyhqf8DXs0sv3O0ezI57+/SDFUC0Pp8s6jqmH6 qD+eaZ2LP1WQTtWEN5J0cQtxlzGTbjmu6Bb1SXNINt2Js34GWKVsOLqMeo9sTbQrNUwL IcEmDeDNH8t+GoxZE3NmSTlciqGW/M7U014DGDnxkv8voyOFELpnnGeq9AscWdzWjqva fHIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=Epr45dOI2YECXa73+j3rmGAHuIz0+GPPxtA1TmvQWsc=; b=7ruZholBI+KuZnaRTZ/xrjzcJD4/MJ8nDlB7xs5T7v/XBWaZGbm2n3GFzTLBU6B57y jPcihZD3RgkQQVCqRQWCSn1YMBcL2SxhsOWt1AE/vmqeyGT6FrPenkb8LTwixh3Nb8N/ bEXWSc09KqJPXX6bWc9Roqul7198dnBC+LHfQHbDfs6i4zAIGtzX4v4RANamcciil8V3 MChX7HrZteh+bVXtNZxCtHYtyKYJQmGwCyg8WpDHsP5YLqb1JcuYq8B4o7AsqcQjXVAk GYBVs/n6txHOJ6HRjxw821s2Fu0EBrOFxtXh+979Rt6ZCzR9elyZtCua0th3gu6a/3tL bDiA== X-Gm-Message-State: AOAM532DwHIZq719hkCEvBwzWubJ3aw+wAWB0KALyMkgiCVOfGTUXkWn 9AX7bx9sszYx7Pud9LUdZgs= X-Google-Smtp-Source: ABdhPJz0xbgDvQ0od89E6JJ39G+AlYiTf/mG/Q2TmWiTbsTPLqrgI8t9SXKYf9MANpGnAvCxg0vKGg== X-Received: by 2002:a2e:8799:: with SMTP id n25mr19227832lji.174.1634374501005; Sat, 16 Oct 2021 01:55:01 -0700 (PDT) Received: from smtpclient.apple (176-93-88-52.bb.dnainternet.fi. [176.93.88.52]) by smtp.gmail.com with ESMTPSA id o24sm786496lfb.97.2021.10.16.01.55.00 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sat, 16 Oct 2021 01:55:00 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.100.0.2.22\)) From: Jonathan Morton In-Reply-To: <1F8C74DF-1384-4F72-904A-8293369DE95D@gmx.de> Date: Sat, 16 Oct 2021 11:54:59 +0300 Cc: =?utf-8?Q?Dave_T=C3=A4ht?= , Cake List , ECN-Sane Content-Transfer-Encoding: quoted-printable Message-Id: References: <87sfx31dt5.fsf@toke.dk> <87pms71cmr.fsf@toke.dk> <95231AF9-DCCA-4D41-9BF4-8F55307F45F6@gmail.com> <1F8C74DF-1384-4F72-904A-8293369DE95D@gmx.de> To: Sebastian Moeller X-Mailer: Apple Mail (2.3654.100.0.2.22) Subject: Re: [Ecn-sane] [Cake] l4s kernel submission X-BeenThere: ecn-sane@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussion of explicit congestion notification's impact on the Internet List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 16 Oct 2021 08:55:03 -0000 > On 16 Oct, 2021, at 11:38 am, Sebastian Moeller = wrote: >=20 > 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=