From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <eric.dumazet@gmail.com>
Received: from mail-pa0-x230.google.com (mail-pa0-x230.google.com
	[IPv6:2607:f8b0:400e:c03::230])
	(using TLSv1 with cipher RC4-SHA (128/128 bits))
	(Client CN "smtp.gmail.com",
	Issuer "Google Internet Authority" (verified OK))
	by huchra.bufferbloat.net (Postfix) with ESMTPS id 790FC21F1C0
	for <codel@lists.bufferbloat.net>; Fri, 12 Jul 2013 10:19:51 -0700 (PDT)
Received: by mail-pa0-f48.google.com with SMTP id kp12so9161337pab.35
	for <codel@lists.bufferbloat.net>; Fri, 12 Jul 2013 10:19:51 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
	h=message-id:subject:from:to:cc:date:in-reply-to:references
	:content-type:x-mailer:content-transfer-encoding:mime-version;
	bh=D7fjags9/nh9kkyj+gu7/dh6D0BuR2eVISVVzXpLQgQ=;
	b=UgUfSj/cjGBbpN0w1ngZHGk77D/64gIGyzB/tnQzOa/nlIv470LwTHsiAgyf6Ut3nI
	+NyrmsjjpDR5wJglpwIEU3AUcAm6ItuvH0DRCjbTBPngn6ewIq9UKc9Qp+xOl2sUvyOG
	XFo/Fhd9hKfKhG+5dTlOtETzFTeHFyJk/8uxyFkoYo5PpU6B/fdS2sHfruS7rRJydHAj
	kTtiVpT8qfmNNatzWBqFreAPpSEQon65Nao7y02Dkbg2MHdKMz4qraJkK1bXybmKdJ0V
	jdbImiu9j4Iy0LJpKqWQWIsRF4JQYiQCcJbIJKwLZpzgocqN2KQM7ZnnBUqGN0ytGx2B
	jJuA==
X-Received: by 10.66.102.70 with SMTP id fm6mr44176895pab.78.1373649591032;
	Fri, 12 Jul 2013 10:19:51 -0700 (PDT)
Received: from ?IPv6:2620:0:1000:3304:2f:cc3b:ee84:65d9?
	([2620:0:1000:3304:2f:cc3b:ee84:65d9])
	by mx.google.com with ESMTPSA id
	jf4sm46380526pbb.19.2013.07.12.10.19.50 for <multiple recipients>
	(version=SSLv3 cipher=RC4-SHA bits=128/128);
	Fri, 12 Jul 2013 10:19:50 -0700 (PDT)
Message-ID: <1373649589.10804.34.camel@edumazet-glaptop>
From: Eric Dumazet <eric.dumazet@gmail.com>
To: Dave Taht <dave.taht@gmail.com>
Date: Fri, 12 Jul 2013 10:19:49 -0700
In-Reply-To: <CAA93jw7tgL8CGz6KzwiJrtWKHJhkzk_WXXB9JGN7xg35A=1nzQ@mail.gmail.com>
References: <CAA93jw5SBtsz3=L9M7mhASg9oAVyvysFL9VNwc-52mOk4HWg8A@mail.gmail.com>
	<1373564673.4600.55.camel@edumazet-glaptop>
	<CAA93jw6rd1G2Q4pmfAB5GPuwfqCbVPDw6njCaceszD9q5Avz_A@mail.gmail.com>
	<1373568848.4600.66.camel@edumazet-glaptop>
	<CAA93jw4+TcWOBH8mMpsk6EAO-EVzemHvx1FjPbrevEzqTJmr_A@mail.gmail.com>
	<20130712113413.4b601800@redhat.com>
	<1373642001.10804.18.camel@edumazet-glaptop>
	<CAA93jw56qvkNwNEwSVUsGGvTJ8FG3Sd9hOmnP6cWnfiYFFa3Wg@mail.gmail.com>
	<1373647842.10804.28.camel@edumazet-glaptop>
	<CAA93jw7tgL8CGz6KzwiJrtWKHJhkzk_WXXB9JGN7xg35A=1nzQ@mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"
X-Mailer: Evolution 3.2.3-0ubuntu6 
Content-Transfer-Encoding: 7bit
Mime-Version: 1.0
Cc: codel@lists.bufferbloat.net, Jesper Dangaard Brouer <jbrouer@redhat.com>
Subject: Re: [Codel] hardware multiqueue in fq_codel?
X-BeenThere: codel@lists.bufferbloat.net
X-Mailman-Version: 2.1.13
Precedence: list
List-Id: CoDel AQM discussions <codel.lists.bufferbloat.net>
List-Unsubscribe: <https://lists.bufferbloat.net/options/codel>,
	<mailto:codel-request@lists.bufferbloat.net?subject=unsubscribe>
List-Archive: <https://lists.bufferbloat.net/pipermail/codel>
List-Post: <mailto:codel@lists.bufferbloat.net>
List-Help: <mailto:codel-request@lists.bufferbloat.net?subject=help>
List-Subscribe: <https://lists.bufferbloat.net/listinfo/codel>,
	<mailto:codel-request@lists.bufferbloat.net?subject=subscribe>
X-List-Received-Date: Fri, 12 Jul 2013 17:19:51 -0000

On Fri, 2013-07-12 at 12:54 -0400, Dave Taht wrote:

> My point was that same program would be just as damaging against
> pfifo_fast.
> 
> > Or just think of SYN flood attack.
> 
> For which other defenses exist.

If someone uses pfifo_fast, it needs no particular protection right now
to be able to log in into his machine.

Thats the point you absolutely missed. Its kind of incredible.

If fq_codel could replace pfifo_fast as is, why do you think I did not
submit the patch doing the change ????