From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Ian McDonald" Subject: Re: TCP Pacing Date: Thu, 14 Sep 2006 06:30:24 +1200 Message-ID: <5640c7e00609131130m5e8b7e30x53c879d22a142d94@mail.gmail.com> References: <200609121958.22820.root@danielinux.net> <5640c7e00609121426t75f5519at562a85f40b64163@mail.gmail.com> <200609131018.40023.root@danielinux.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, "Carlo Caini" , "Rosario Firrincieli" , "Giovanni Pau" Return-path: Received: from nf-out-f131.google.com ([64.233.182.131]:52213 "EHLO nf-out-f131.google.com") by vger.kernel.org with ESMTP id S1750829AbWIMSa0 (ORCPT ); Wed, 13 Sep 2006 14:30:26 -0400 Received: by nf-out-f131.google.com with SMTP id l6so219425nfa for ; Wed, 13 Sep 2006 11:30:25 -0700 (PDT) To: root@danielinux.net In-Reply-To: <200609131018.40023.root@danielinux.net> Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On 9/13/06, Daniele Lacamera wrote: > On Tuesday 12 September 2006 23:26, Ian McDonald wrote: > > Where is the published research? If you are going to mention research > > you need URLs to papers and please put this in source code too so > > people can check. > > I added the main reference to the code. I am going to give you all the > pointers on this research, mainly recent congestion control proposals > that include pacing. Thanks > > > I agree with Arnaldo's comments and also would add I don't like having > > to select 1000 as HZ unit. Something is wrong if you need this as I > > can run higher resolution timers without having to do this.... > > I removed that select in Kconfig, I agree it doesn't make sense at all, > for portability. However, pacing works with 1ms resolution, so maybe > a "depends HZ_1000" is still required. (How do you run 1ms timers with > HZ!=1000?) > The HZ refers to time slices per second mostly for user space - e.g. how often to task switch. -- Ian McDonald Web: http://wand.net.nz/~iam4 Blog: http://imcdnzl.blogspot.com WAND Network Research Group Department of Computer Science University of Waikato New Zealand