From owner-freebsd-questions@FreeBSD.ORG Wed Nov 9 19:58:07 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 793FB16A41F for ; Wed, 9 Nov 2005 19:58:07 +0000 (GMT) (envelope-from mailing-lists@msdi.ca) Received: from mail02.msdihosting.net (ntweb04.msdihosting.net [66.199.153.9]) by mx1.FreeBSD.org (Postfix) with ESMTP id 00A1643D49 for ; Wed, 9 Nov 2005 19:58:06 +0000 (GMT) (envelope-from mailing-lists@msdi.ca) Received: from ian.msdi.ca ([24.201.183.241]) by mail02.msdihosting.net ((iPlanet Messaging Server 5.2 HotFix 1.21 (built Sep 8 2003))) with SMTP id B3Q02104; Wed, 09 Nov 2005 14:58:27 -0500 Message-Id: <6.2.3.4.2.20051109131857.04659908@pop.msdi.ca> X-Mailer: QUALCOMM Windows Eudora Version 6.2.3.4 Date: Wed, 09 Nov 2005 14:57:57 -0500 To: "Jon Krause" , From: Ian Lord In-Reply-To: <06e801c5e556$7971daa0$05dc3818@mdm246a3e4f6fc> References: <6.2.3.4.2.20051109122614.0466c9a8@pop.msdi.ca> <06e801c5e556$7971daa0$05dc3818@mdm246a3e4f6fc> Mime-Version: 1.0 X-DEBUG: 1 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Subject: Re: Web Balancing with multicast X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Nov 2005 19:58:07 -0000 Thanks for the hint, but this is an active/passive software so only one host can answer request while others wait to see if they need to become master (because master has failed) At 12:53 2005-11-09, Jon Krause wrote: >----- Original Message ----- >From: "Ian Lord" >Sent: Wednesday, November 09, 2005 12:37 PM >Subject: Web Balancing with multicast > > > > Hi, > > > > is there an application to load balance web traffic using multicast > > on freebsd ? > > > > We have web servers currently running NLB (network load balancing) on > > windows 2003 that works this way (simplified for clarity): > > > > We have server A that listen on ip 10.10.10.11 > > We have server A that listen on ip 10.10.10.12 > > > > Both server also listen to "virtual ip" 10.10.10.10. That ip is in > > fact a multicast ip so that a request going to that ip is received by > > both server. Windows load balancing then decide which of the 2 > > machines process the request. It also adapts itself if a server is > > added or removed from the cluster (manually or on a failure) > > > > I saw there is a way with freebsd to add a machine in front of the > > cluster that will direct the traffic and load balance the traffic > > between a group of computers, but I'm looking for a solution similar > > to windows load balancing that doesnt require a dedicated machine in > > front of the cluster. > > > > If someone knows of an app that could do that, I would appreciate if > > you could give me a url for the software in question... > > > > Please don't mention solutions that require the use of a dedicated > > machine in front of the cluster. If there is no way to do this on > > freebsd, I will simply use a cisco load balancer in front of my freebsd >servers > > > > Thanks a lot > > > >Please see CARP: >http://www.freebsd.org/cgi/url.cgi?ports/net/ucarp/pkg-descr > >I think this might be what you are looking for. > >Best, Jon > > _______________________________________________ > > freebsd-questions@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > To unsubscribe, send any mail to >"freebsd-questions-unsubscribe@freebsd.org"