US Patent 8243589 Systems and methods for data center load balancing

Systems and methods for data center availability comprising a first data center having a first address associated therewith and a second data center operable to assume the first address upon the first data center becoming unavailable. The present disclosure in particular provides these systems and methods for an autonomous intranet, wherein the autonomous intranet may include two or more data centers, each provided with a load balancer for advertising a common single-host Internet Protocol address upstream for the respective data centers under certain conditions.