Kenneth Gould, Joo Chung, Michael Sun, Frank Huang: System and method for multicast stream failover. Road Runner, ServiceCo, Roberts Abokhair & Mardula, January 4, 2005: US06839865 (20 worldwide citation)

A system and method for avoiding a single point of failure in the broadcast of streaming data. The system uses multiple redundant servers steaming the exactly same data to a failover device. The failover device buffers the steams into a primary and secondary data stream and automatically switches fr ...