From owner-freebsd-net@FreeBSD.ORG Tue Mar 2 07:28:31 2004 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CEBAF16A4CF for ; Tue, 2 Mar 2004 07:28:31 -0800 (PST) Received: from mailtoaster1.pipeline.ch (mailtoaster1.pipeline.ch [62.48.0.70]) by mx1.FreeBSD.org (Postfix) with ESMTP id EFDE543D1F for ; Tue, 2 Mar 2004 07:28:30 -0800 (PST) (envelope-from andre@freebsd.org) Received: (qmail 57643 invoked from network); 2 Mar 2004 15:28:30 -0000 Received: from unknown (HELO freebsd.org) ([62.48.0.53]) (envelope-sender ) by mailtoaster1.pipeline.ch (qmail-ldap-1.03) with SMTP for ; 2 Mar 2004 15:28:30 -0000 Message-ID: <4044A81E.C5517D08@freebsd.org> Date: Tue, 02 Mar 2004 16:28:30 +0100 From: Andre Oppermann X-Mailer: Mozilla 4.76 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: Brooks Davis References: <4043B6BA.B847F081@freebsd.org> <200403011507.52238.wes@softweyr.com> <4043E565.6070703@netlab.nec.de> <20040302014319.GA24639@Odin.AC.HMC.Edu> <4044936F.B042C476@freebsd.org> <20040302145212.GB30219@Odin.AC.HMC.Edu> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit cc: Lars Eggert cc: freebsd-current@freebsd.org cc: freebsd-net@freebsd.org Subject: Re: My planned work on networking stack X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Mar 2004 15:28:32 -0000 Brooks Davis wrote: > > On Tue, Mar 02, 2004 at 03:00:15PM +0100, Andre Oppermann wrote: > > Brooks Davis wrote: > > > > > > On Tue, Mar 02, 2004 at 10:37:41AM +0900, Lars Eggert wrote: > > > > Hi, > > > > > > > > Wes Peters wrote: > > > > >On Monday 01 March 2004 14:18, Andre Oppermann wrote: > > > > > > > > > >>[] establish a testbed for testing and qualification of TCP performance > > > > >> and optimizations over a wide range of network conditions (types, > > > > >> speeds, packet loss ratios, out of order, etc). (started) > > > > > > > > > >Be sure to coordinate with the donations officer for help in getting > > > > >equipment you may need. > > > > > > > > this sounds like something you could do with planetlab > > > > (http://planet-lab.org/). Do you have access? (Or maybe I misunderstood > > > > what you meant by "testbed".) > > > > > > From the list of metrics, Emulab (http://www.emulab.net/) is probably > > > more what he's thinking, but we probably ought to let Andre speak for > > > him self. :-) > > > > No, I want to have something that emulates real-world line conditions. > > For example ADSL connections and so on. Or links Europe-USA etc. This > > is not about performance of server applications like apache benchmarking. > > This is definatly something you could do with Emulab (that's why we have > one), but if you just need to simulate agrigate link characteristics, > Emulab would be massive overkill. I'm only interesed in aggrigated link characteristics. -- Andre