Date: Wed, 09 Nov 2005 14:57:57 -0500 From: Ian Lord <mailing-lists@msdi.ca> To: "Jon Krause" <data2@cablespeed.com>,<freebsd-questions@freebsd.org> Subject: Re: Web Balancing with multicast Message-ID: <6.2.3.4.2.20051109131857.04659908@pop.msdi.ca> In-Reply-To: <06e801c5e556$7971daa0$05dc3818@mdm246a3e4f6fc> References: <6.2.3.4.2.20051109122614.0466c9a8@pop.msdi.ca> <06e801c5e556$7971daa0$05dc3818@mdm246a3e4f6fc>
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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"
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