From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-x229.google.com (mail-qt0-x229.google.com [IPv6:2607:f8b0:400d:c0d::229]) (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 BF6083B2A4 for ; Fri, 24 Nov 2017 14:48:24 -0500 (EST) Received: by mail-qt0-x229.google.com with SMTP id a19so32577265qtb.3 for ; Fri, 24 Nov 2017 11:48:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=IxKN2OEVNNj2bgC5JiYY8m3k2uPUd6Fj8Vj4AR87hLk=; b=CUA9D0A7/XlvEQOf5jgwJivaVy+icfkstcaZ3aiExUGQxLghGTlQkuvGJT/8vvVoiA U9q8E3EkfzIdomDwx6brw9RPfg9yNmxtFyG5xcBv0Xi/wpaJm6QwViBxMVLV971xmI3D XaVOftLbZZnqb02vHttA27R1Enjhs/oClYXhf5v3Qx1q1QCnrs5gRmm7RX/jr6UbEQ37 njhb1e2t7OpA/3J+IpPh1qgepxRHZxkVYkJWSneTyKRsaV+u8F6C1T5DTOJERQMnuIL0 CfCx3DjhKNQ1+iEIHZkq0+WMI3RegWOi2gR6MmgZFG5NAQILPnB2z8CVnbaEDS9N3fYW pbZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=IxKN2OEVNNj2bgC5JiYY8m3k2uPUd6Fj8Vj4AR87hLk=; b=oz3htjOk5vICeHkX8VRe8zdcceZmYUGhcpgjwRPWpXM1bP1ojafYStgP3fNDTRL/bK YfhAGuqjhJiEd3eVh4Ksf6CuC3z+5JIG8xHPU/oXm8zzjkNDv32D5GZaaob6UleBKRl3 o+/dhyUShXkgbMkBuaVQ+CCHERmmVOKnYvqMw2QOiB+yaUDDd9o6MldhuNprWzFzSZKy qMqPkLezaK30v0EON2LT8mUj+UJa5gIU+nk7mHXC47YfOK1bV87guYDF6Zv+aMezmeNU IoTIgeE9AUbrlNE7sTDRxmgon2euqkvB9zuFBUmDkOspmJ7TytUl0CYYnWA0W8NZ5mSe 3TTQ== X-Gm-Message-State: AJaThX7xlJRM+VJTLuViht+iD5j9LHm9/gOtlPcE3P3tBrXyNlsqFUmI W6CMsj0RzO4hSAodzFWgtLqr85XFImjIqrqksUo= X-Google-Smtp-Source: AGs4zMYGjfmXtbl7QEt5VysujbKqHXzF9nji7wHkP1xQHOfzJLGPbEUvSNcH7jgmdWNqUj9OZlVj0H2cD1VOGJq23jY= X-Received: by 10.237.54.227 with SMTP id f90mr46498574qtb.121.1511552904430; Fri, 24 Nov 2017 11:48:24 -0800 (PST) MIME-Version: 1.0 Received: by 10.140.84.85 with HTTP; Fri, 24 Nov 2017 11:48:23 -0800 (PST) Received: by 10.140.84.85 with HTTP; Fri, 24 Nov 2017 11:48:23 -0800 (PST) In-Reply-To: References: <71FB183D-F848-4513-A6F6-D03FD0F10769@gmail.com> <52C2B216-220C-4C17-882C-9994867E86BB@gmail.com> <87tvxlvsex.fsf@nemesis.taht.net> <87609zapmt.fsf@toke.dk> <0D339F2F-F2CB-4800-84B9-E7321AE4D15E@gmail.com> From: Jonathan Morton Date: Fri, 24 Nov 2017 21:48:23 +0200 Message-ID: To: Pete Heist Cc: =?UTF-8?Q?Dave_T=C3=A4ht?= , Cake List Content-Type: multipart/alternative; boundary="001a11435860ed8b56055ebfd562" Subject: Re: [Cake] lan keyword affects host fairness X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Nov 2017 19:48:24 -0000 --001a11435860ed8b56055ebfd562 Content-Type: text/plain; charset="UTF-8" Can I just point out that the four hardware queues will themselves be interfering with the backpressure on short timescales when Cake is in unlimited mode, and can easily explain the poorer host-fairness performance. Conversely, the real performance is seen when the internal shaper is used. What happens if you say "bandwidth 1Gbit ethernet"? - Jonathan Morton --001a11435860ed8b56055ebfd562 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Can I just point out that the four hardware queues will them= selves be interfering with the backpressure on short timescales when Cake i= s in unlimited mode, and can easily explain the poorer host-fairness perfor= mance.

Conversely, the real performance is seen when the internal s= haper is used.=C2=A0 What happens if you say "bandwidth 1Gbit ethernet= "?

- Jonathan Morton

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