From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-x22b.google.com (mail-lf0-x22b.google.com [IPv6:2a00:1450:4010:c07::22b]) (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 3DFF43B29E for ; Tue, 17 Apr 2018 09:52:28 -0400 (EDT) Received: by mail-lf0-x22b.google.com with SMTP id q5-v6so27413120lff.12 for ; Tue, 17 Apr 2018 06:52:28 -0700 (PDT) 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=fBxsgaZ6yxOiW0VpGw6kL+m7fPOW2KoMDWStewecF4s=; b=HMYLmFMFTvgjV/1w/eCf116ssaXG7HhOJ+ep/NiLnXNwGCO3O6FZhDuE4UVNkuo0xi wE6QdBNzrI8TWW+1NaqEXPWzah4qX8N9Pz+4VX6KOioq4iDtPzv266wOX+Vm5AMwMFxg r0L90PkEOCIwRDWYH2+RqifdABdREUvPoxtfiEDX8mY+jXcJdPlUVgIh7+TRIhl+wVPy d8WT6u0R2AKw1ZS6gwWQl3KbFMfi8geSHc3J8HsSNF0C2786e66DJ+aZ770sYz8hRiYD S6yo/6bnPtubBmpZfUFPrAWxvTJ4/P0h7IARfqSNGWiZfqCxC75W/l+aD1z7ylGC8cLB o+KQ== 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=fBxsgaZ6yxOiW0VpGw6kL+m7fPOW2KoMDWStewecF4s=; b=muGrD/A7Ey7x4VfPpgwV3kmH46+eOmw0QrJFHPSFi6Sw3V2i8CKhNiOlcIcLMTivsa 6s/8XnGsVeE1/+ZpsfpY97wo1GUyStb7b3OVv2rc3aTyyFWWjZZkZX5J3STlXIIw01Gk vJewvVznOfasaW6JvUgVcAvt9wcnimJo57LlDEk8XgYiUd3wyBVr5DxVjexgb+nkLzNu YY1Dd1cmeiew84LOkPAZ7rVe5kUNTG/dayvN+fGtzvgCEIW5L8g2xa1Px+FSnexE+W3I QuiRgPpGOH1rkWZvT9VYokB20tFRkro97U5Syk0ITf6nqnJmCJ4w1gfR9Dvjh8zQoeAi WNNA== X-Gm-Message-State: ALQs6tAHUYnsq0QfgBL8kXLBoI00TXOmx+ddc9sv3mEhDs49GlE1As0U 5+nwF/JE1hU6ZD3dh36QqSk= X-Google-Smtp-Source: AIpwx490fWAkgQJR0XL8CxB1ENi3MvyoIc8FExmfAwmijW9miAMtm/oYnwO4+2GHDu5WnJkOoDZtKw== X-Received: by 10.46.56.2 with SMTP id f2mr1575681lja.15.1523973147122; Tue, 17 Apr 2018 06:52:27 -0700 (PDT) Received: from [192.168.239.216] (83-245-234-255-nat-p.elisa-mobile.fi. [83.245.234.255]) by smtp.gmail.com with ESMTPSA id u19sm2556491ljj.51.2018.04.17.06.52.26 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 17 Apr 2018 06:52:26 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 11.3 \(3445.6.18\)) From: Jonathan Morton In-Reply-To: <612F0368-751A-4127-B1F4-139FF5C3D315@eventide.io> Date: Tue, 17 Apr 2018 16:52:24 +0300 Cc: =?utf-8?Q?Toke_H=C3=B8iland-J=C3=B8rgensen?= , Cake List Content-Transfer-Encoding: quoted-printable Message-Id: <0B624E0E-BF6C-4201-B20A-F6B77740B225@gmail.com> References: <20180416.110000.1863692416063182988.davem@davemloft.net> <87efjf5gne.fsf@toke.dk> <612F0368-751A-4127-B1F4-139FF5C3D315@eventide.io> To: Pete Heist X-Mailer: Apple Mail (2.3445.6.18) Subject: Re: [Cake] net-next is OPEN... 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: Tue, 17 Apr 2018 13:52:28 -0000 > On 16 Apr, 2018, at 11:55 pm, Pete Heist wrote: >=20 > I remember that fairness behavior at low RTTs (< 20ms) needed to be = either improved or documented The reason for the behaviour, IIRC, was that throughput dropped below = 100% when the latency target was reduced too much. Since then there has = been a small change which might improve it a little, so a retest would = be reasonable. - Jonathan Morton