From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf1-x12c.google.com (mail-lf1-x12c.google.com [IPv6:2a00:1450:4864:20::12c]) (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 0ECEF3B29E for ; Tue, 27 Nov 2018 04:31:37 -0500 (EST) Received: by mail-lf1-x12c.google.com with SMTP id l10so15862337lfh.9 for ; Tue, 27 Nov 2018 01:31:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=wW5+VE2tUOsQIAOnWzyG8TpW3QTK6qGnu438Met6Pak=; b=LDY9r1QbkDTYe+EQkzbDpXXPDPZiXbKdPvSCy8C+Z7v9qefgOyffb8heywKayMuDQn owyybsxNdxbm+iMUoGnyNBQYW1Y9XTtdOt3KwnuloC6AXUWkiC/ZOxMK4hOCA6NABpeC ulE6xryOEdpZRF6ZWwVAF1rZ+EhU9n2g03XkiUz09rX/Fu7S1s3RAWaWcsfslC3JNCRR lJHs0XFQ8W6C1F6jIDXa8yeOEQ54+4M52cYkuHmWrGAj/+UDW5u7Lemoh5SIr6FDKmKN 1JxXY/3dnPwJqbLiYcLtUTgqDGzjhLQ3CP2W+ocP1TABQChFMsEUN5tPkp/l9JDN//C/ A7Ug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=wW5+VE2tUOsQIAOnWzyG8TpW3QTK6qGnu438Met6Pak=; b=ndTu4ThPJtvjoXLczwnrA5mKdzGHjAuKzy3467P2zvV7sjPBbzgCzONyJA4KfifdIS uRj+n8NKhJS9rUZW8I3FVrdBOMTJ0PDmXRV5b1KhEO2vZ2205EwB6A005ubFv+6ODPr/ 6aBlU/axMo6ToC0wKLErp34egqaArSQW2Ilab8Va+p1BWky50ON/O0kZ4My+alNTjDbn /iZYGKfAkxOqXyNV7BCl9ABV6J1uUYWFOI4sSyqT5WJPW5u/aKlqRBgEBCCs7zJGQuk9 zE3iuT51jhUf/ey1YvQWVohnY/9PZK0OTsTbTbTwAwN1YVBDzsI9P1ATsHXee12+oWjK NA3g== X-Gm-Message-State: AGRZ1gKpNprX+bGnvC5AaJL8hhPkpNIDDzNYux2+6PMJuiGkq+eSBfpC eHdUEMBRbBB2K/B4zZSAxEQ= X-Google-Smtp-Source: AJdET5d135P3JC4Rnts/j/lOnWKIFrPVo5e7NF/J9v5A/UcwivU32+gAr5pBl8llK9v3hk2g4X9xyQ== X-Received: by 2002:a19:9b50:: with SMTP id d77mr18808026lfe.137.1543311095870; Tue, 27 Nov 2018 01:31:35 -0800 (PST) Received: from jonathartonsmbp.lan (83-245-236-220-nat-p.elisa-mobile.fi. [83.245.236.220]) by smtp.gmail.com with ESMTPSA id q67sm493576lfe.19.2018.11.27.01.31.34 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 27 Nov 2018 01:31:35 -0800 (PST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) From: Jonathan Morton In-Reply-To: <6F5EB690-3D7E-4112-8890-CF727FF59EFE@heistp.net> Date: Tue, 27 Nov 2018 11:31:33 +0200 Cc: =?utf-8?Q?Toke_H=C3=B8iland-J=C3=B8rgensen?= , bloat Content-Transfer-Encoding: quoted-printable Message-Id: <53BE53D1-D024-4C3D-8526-C884105D266D@gmail.com> References: <65EAC6C1-4688-46B6-A575-A6C7F2C066C5@heistp.net> <38535869-BF61-4FC4-A0FB-96E91CC4F076@ifi.uio.no> <87a7lvwkr7.fsf@toke.dk> <6F5EB690-3D7E-4112-8890-CF727FF59EFE@heistp.net> To: Pete Heist X-Mailer: Apple Mail (2.3445.9.1) Subject: Re: [Bloat] when does the CoDel part of fq_codel help in the real world? X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Nov 2018 09:31:37 -0000 > On 27 Nov, 2018, at 10:54 am, Pete Heist wrote: >=20 > =E2=80=A6any reason that fq_codel or Cake would be an improvement over = sfq specifically for some "noisy links=E2=80=9D (loose translation from = Czech) in a backhaul that have some loss but also experience saturation. If the random loss is low enough that saturation can be achieved, then = adding AQM will be beneficial in the usual way. Also, it will not = interfere in those cases where saturation is not achieved (for whatever = reason). - Jonathan Morton