From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-33-ewr.dyndns.com (mxout-089-ewr.mailhop.org [216.146.33.89]) by lists.bufferbloat.net (Postfix) with ESMTP id 3113F2E0392 for ; Tue, 15 Mar 2011 09:47:26 -0700 (PDT) Received: from scan-31-ewr.mailhop.org (scan-31-ewr.local [10.0.141.237]) by mail-33-ewr.dyndns.com (Postfix) with ESMTP id 6DC006F7C68 for ; Tue, 15 Mar 2011 16:47:25 +0000 (UTC) X-Spam-Score: -1.0 (-) X-Mail-Handler: MailHop by DynDNS X-Originating-IP: 74.125.82.47 Received: from mail-ww0-f47.google.com (mail-ww0-f47.google.com [74.125.82.47]) by mail-33-ewr.dyndns.com (Postfix) with ESMTP id AC0786F737C for ; Tue, 15 Mar 2011 16:47:20 +0000 (UTC) Received: by wwk4 with SMTP id 4so781334wwk.28 for ; Tue, 15 Mar 2011 09:47:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:subject:mime-version:content-type:from :in-reply-to:date:cc:content-transfer-encoding:message-id:references :to:x-mailer; bh=7xhNUKzUELvhwv3T6EhMWg0x5wHcioS34dZcGK9PnNk=; b=CVOLbzcYFVoowP/5ZNs53UgGHkbW5ONKho4gCOy+KaPs7f6dv7XCeQTbDjPGl+Ud4N LrbmEFwZtujM3o0woHzpO862L9dO9XCp3dyzKcKfoT18TbHDtYtVDln1rbJjYlK0urcx 1zbGl7pusuwUYwKK48CHR2mT+Ig0msOe0LNDA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:mime-version:content-type:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to:x-mailer; b=fSVHHd8Gpk764kB1HZr1zm1LdHVFmbpeabkoDd4NU6eg914xBS+XRoMPY3yRKUZ0da smJKqwOMurrWlDid9RloYroDpa+yUPUIo0Xs6ou1WqXYQ0bzL6FMvry4yJ3hil+yw2Nj Prko3MS2xd9uSmJdsx/+7SojHUjYXy6oA/x1w= Received: by 10.216.121.130 with SMTP id r2mr11892155weh.96.1300207640080; Tue, 15 Mar 2011 09:47:20 -0700 (PDT) Received: from [192.168.239.42] (xdsl-83-150-84-172.nebulazone.fi [83.150.84.172]) by mx.google.com with ESMTPS id c54sm4565721wer.30.2011.03.15.09.47.19 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 15 Mar 2011 09:47:19 -0700 (PDT) Mime-Version: 1.0 (Apple Message framework v1082) Content-Type: text/plain; charset=us-ascii From: Jonathan Morton In-Reply-To: Date: Tue, 15 Mar 2011 18:47:17 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: References: <4D7F4121.40307@freedesktop.org> To: Jim Gettys X-Mailer: Apple Mail (2.1082) Cc: bloat@lists.bufferbloat.net Subject: Re: [Bloat] Random idea in reaction to all the discussion of TCP flavours - timestamps? X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Mar 2011 16:47:26 -0000 On 15 Mar, 2011, at 4:40 pm, Jim Gettys wrote: > There is an interesting question about what "long term minimum" means = here... VJ does expand on that in "RED in a different light". He means that the = relevant measure of queue length is to take the minimum value over some = interval of time, say 100ms or 1-2 RTTs, whichever is longer. The = average queue length is irrelevant. The nRED algorithm in that paper = proposes a method of doing that. - Jonathan