From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vc0-x236.google.com (mail-vc0-x236.google.com [IPv6:2607:f8b0:400c:c03::236]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id 068F721F2B1 for ; Tue, 24 Feb 2015 09:35:45 -0800 (PST) Received: by mail-vc0-f182.google.com with SMTP id id10so10481915vcb.13 for ; Tue, 24 Feb 2015 09:35:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=5jbfqHSGwaSIR39P1QmVvEqkDCLff2cjzSnd72vwaC0=; b=MR8Ire/d+Di7RBj7U8fJMjXRQLzJ1uPfhIkYPkBiXsIt/nsYlxwfwonwLX/oDzR9wp poZFiVU/iVn1rqHcntQdd4rzGJHMoEhM8WKENdl+C7NTcEP0TBDz0Qa4RPlmssYmXJl/ N0O+2JKurvB5EV+scx90ZS7JDN4P1VFJzIh/d3gLkgbZYJhmb5KNZcC5/XQp/s0nLnLg RDRcOQ6cch7F7hy4dMkfvQWrJogD0PVegB3eYVZiEcXd0GRojeHMWD48hq+epLVT/gog g507ZcGNUAGqrgVAAGuvENMR+1ZRX2vsV/RtSb5pjV9GO/HgSeLOLt8jHN3KLsOdnu9s kcnw== MIME-Version: 1.0 X-Received: by 10.52.243.41 with SMTP id wv9mr17239598vdc.20.1424799344226; Tue, 24 Feb 2015 09:35:44 -0800 (PST) Received: by 10.52.24.79 with HTTP; Tue, 24 Feb 2015 09:35:44 -0800 (PST) Received: by 10.52.24.79 with HTTP; Tue, 24 Feb 2015 09:35:44 -0800 (PST) In-Reply-To: References: Date: Tue, 24 Feb 2015 19:35:44 +0200 Message-ID: From: Jonathan Morton To: sahil grover Content-Type: multipart/alternative; boundary=001a11340138c9f970050fd8f2eb Cc: codel@lists.bufferbloat.net Subject: Re: [Codel] why RED is not considered as a solution to bufferbloat. X-BeenThere: codel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: CoDel AQM discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Feb 2015 17:36:14 -0000 --001a11340138c9f970050fd8f2eb Content-Type: text/plain; charset=UTF-8 To answer that question, simply think about the lifetime of a packet in the queue. It is enqueued, spends some time waiting there (very little if the link isn't congested, potentially much more if it is), then is dequeued. So the difference in time between enqueue and dequeue is...? - Jonathan Morton --001a11340138c9f970050fd8f2eb Content-Type: text/html; charset=UTF-8

To answer that question, simply think about the lifetime of a packet in the queue. It is enqueued, spends some time waiting there (very little if the link isn't congested, potentially much more if it is), then is dequeued.

So the difference in time between enqueue and dequeue is...?

- Jonathan Morton

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