Date: Wed, 09 Nov 2005 12:37:04 -0500 From: Ian Lord <mailing-lists@msdi.ca> To: freebsd-questions@freebsd.org Subject: Web Balancing with multicast Message-ID: <6.2.3.4.2.20051109122614.0466c9a8@pop.msdi.ca>
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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
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