Date: Tue, 5 Aug 2008 09:48:16 -0400 From: "Rodrique Heron" <swygue@rodhouse.org> To: freebsd-pf@freebsd.org Subject: Understanding Load Balancing with DNS+PF+CARP Message-ID: <1a5f1a2d0808050648g4dcc4e02pe1904f1ffa8bb2cf@mail.gmail.com>
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I'm a running a Apache reverse proxy on PF+CARP, one node as master the other backup. I want a active/active setup, but since I don't have a hardware load balancer I'm banking on DNS. I would like to understand what happens when a host connects to the cluster for the first time after the first DNS query. So a user request www.website.com, DNS round-robin points the user to node1, what happens when a the user makes another request ? Is there another DNS lookup ? Will the user the sent back to node1 ? Does it make a difference if the server is hosting static content or an application ? Thanks
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