System and method for managing multicast group membership

Details System and method for managing multicast group membership System and method for managing multicast group membership

2007-11-13

2007-11-13

Backer, Firmin (Department: 2616)

Multiplex communications

Network configuration determination

Using a particular learning algorithm or technique

C370S400000, C370S401000, C370S432000

Reexamination Certificate

active

10660196

ABSTRACT:
A system and method for efficiently managing membership in a multicast communication group. The system may comprise any number of end nodes (e.g., channel adapters, network interface adapters) and routing nodes (e.g., switches), and the method may be implemented by a processor coupled to any node. Each node in a network may be a member of the multicast group and/or the multicast tree (MCT) that routes the group's multicast communications. A node need not be a member of the group to be a member of the tree. Network links included in the multicast tree (MCT) are a subset of a network minimum spanning tree (MST). When a node is added to the group, the minimum spanning tree (MST) is searched from that node until a node within the multicast tree (MCT) is found. Each time a member is removed from the group, the multicast tree (MCT) is pruned to reduce unneeded communications.

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patent: 2006/0168104 (2006-07-01), Shimizu et al.

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