You can have redundant load balancer setups that listen on the same IP [1]. Combined with round-robin DNS and there isn't a single point of failure unless your

You can have redundant load balancer setups that listen on the same IP [1]. Combined with round-robin DNS and there isn't a single point of failure unless your DNS servers go down. [1] http://siag.nu/pen/vrrpd-linux.shtml http://siag.nu/pen/vrrpd-linux.shtml