Method for controlling group membership in a distributed...

Details Method for controlling group membership in a distributed... Method for controlling group membership in a distributed...

2006-05-09

2006-05-09

Dharia, Rupal (Department: 2141)

Electrical computers and digital processing systems: multicomput

Computer network managing

Computer network monitoring

C709S227000

Reexamination Certificate

active

07043550

ABSTRACT:
In distributed multinode data processing systems, mechanisms are employed to insure that the nodes are continually informed about the liveness of the other nodes within node groups in the network and across networks. The method of the present invention employs the concept of node stability which it uses to provide indications of membership in a previous stable group as part of messages transmitted in a protocol for forming, maintaining and dissolving node groupings in such a way as to assure that all of the nodes in the group have a consistent indication of liveness status for all of the nodes within any given group of nodes.

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IBM U.S. Appl. No.: 09/850,809, “Method for determination of remote adapter and/or node liveness”, filed May 8, 2001.
IBM U.S. Appl. No.: 09/580,945, Topology propagation in a distributed computing environment with no topology message traffic in steady state, filed May 30, 2000.

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