A method for maintaining the reachability of IP multicast communications across a communications network with one or more subnetworks wherein each subnetwork comprises at least one node coupled thereto and a node identified as a subnetwork leader and the communications network comprises one node identified...http://www.google.fr/patents/US6732189?utm_source=gb-gplus-shareBrevet US6732189 - Method and apparatus for fault tolerant tunneling of multicast datagrams
Method and apparatus for fault tolerant tunneling of multicast datagrams
