From owner-freebsd-net@FreeBSD.ORG Thu May 3 00:06:53 2007 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 07A7B16A409 for ; Thu, 3 May 2007 00:06:53 +0000 (UTC) (envelope-from julian@elischer.org) Received: from outA.internet-mail-service.net (outA.internet-mail-service.net [216.240.47.224]) by mx1.freebsd.org (Postfix) with ESMTP id D326413C457 for ; Thu, 3 May 2007 00:05:24 +0000 (UTC) (envelope-from julian@elischer.org) Received: from mx0.idiom.com (HELO idiom.com) (216.240.32.160) by out.internet-mail-service.net (qpsmtpd/0.32) with ESMTP; Wed, 02 May 2007 16:31:45 -0700 Received: from julian-mac.elischer.org (nat.ironport.com [63.251.108.100]) by idiom.com (Postfix) with ESMTP id 96B6E125A26; Wed, 2 May 2007 17:05:23 -0700 (PDT) Message-ID: <46392743.1070200@elischer.org> Date: Wed, 02 May 2007 17:05:23 -0700 From: Julian Elischer User-Agent: Thunderbird 2.0.0.0 (Macintosh/20070326) MIME-Version: 1.0 To: youshi10@u.washington.edu References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-net@freebsd.org, Marko Zec Subject: Re: Unix friendly network testbench for FreeBSD? X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 May 2007 00:06:53 -0000 youshi10@u.washington.edu wrote: > On Thu, 3 May 2007, Marko Zec wrote: > >> On Wednesday 02 May 2007 23:40:35 youshi10@u.washington.edu wrote: >>> On Wed, 2 May 2007, Chuck Swiger wrote: >>>> youshi10@u.washington.edu wrote: >>>>> Hi, >>>>> I'm looking for a network testbench / simulator to stimulate >>>>> known networking conditions to test out a component for a product >>>>> at work. I was wondering if there was a network simulator >>>>> available (preferably open source) that's FreeBSD / Linux >>>>> compatible which I can simulate as real of a network as possible >>>>> on a virtual machine / network. >>>> >>>> Dummynet or ALTQ might be good starting points, as is netgraph, >>>> depending on just what you're trying to do. There are also >>>> userland benchmark/analysis tools like flood pinging, netperf, & ab >>>> ("apache bench"). >>>> >>>> -- >>>> -Chuck >>> >>> Hmmm... ok, expanding on that what I was looking for was a means to >>> simulate semi-realtime delays across a virtual network with 4+ >>> virtual machines. Is it possible to use Dummynet in this case, or do >>> I need to look into something else? >> >> You can use IMUNES for emulating arbitrarily complex network topologies >> with hundreds of nodes, with each virtual node beheaving like an >> independent FreeBSD box, if that's what you are after. >> www.imunes.net -> it's still based on an aging but rock solid 4.11 >> kernel, with a version that will run on 7.0-CURRENT expected to become >> available in the next month or so. >> >> Marko > > Marko, > What roadblocks are you coming across porting IMUNES to a possibly > earlier version (5.5, 6.2) of FreeBSD than 7 though? Maybe I can try and > help, depending on the required tasks. > Anything possible to help speed up my work and our regressions at > my work is more than appreciated. > -Garrett When you look at the scope of the changes you'll realise what you are asking.. I'd go with 4.11 or wait the extra month or so.. > >>> Other conditions I planned on imposing are non-locking NFS (causes a >>> lot of issues here with files at work), and have SUSE 32-bit clients >>> (host OS of choice at work) if possible connect to the host machine >>> and with one another, executing make jobs. >>> >>> Any further suggestions on how to do this? >>> >>> Thanks, >>> -Garrett > > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"