Date: Tue, 19 Sep 2006 10:30:23 +0100 From: Dominic Marks <dom@goodforbusiness.co.uk> To: Dominik Zalewski <dzalewski@open-craft.com> Cc: freebsd-stable@freebsd.org Subject: Re: bind round robin Message-ID: <450FB8AF.7040700@goodforbusiness.co.uk> In-Reply-To: <200609191216.24457.dzalewski@open-craft.com> References: <450F8777.7080407@gmail.com> <20060919083955.GB87657@e-Gitt.NET> <450FAF42.50401@goodforbusiness.co.uk> <200609191216.24457.dzalewski@open-craft.com>
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From the original message: [1] >>>> >>>> www IN A 10.10.10.10 >>>> www IN A 192.168.0.10 >>>> > > From pen homepage: > > "This is pen, a load balancer for "simple" tcp based protocols such as http or > smtp." > > As I know DNS uses both tcp and udp protocols. From the posters excerpt it looks like they are looking to load balance HTTP. [1] > For failover you can try OpenBSD Packet Filter with CARP protocol. PF can do > load-balacing using different algorithms also. CARP is ported to FreeBSD. > More info on: http://pf4freebsd.love2party.net/carp.html Also true. Last time I looked at this however there was a big disclaimer saying that CARP's load balancing was likely to give a distorted distribution of load and I don't believe it does weighting. I believe this would also be a problem considering the example in [1]: From carp(4): Note: ARP balancing only works on the local network segment. It cannot balance traffic that crosses a router, because the router itself will always be balanced to the same virtual host. Cheers, Dominic
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