System and method for determining cluster membership in a heterogeneous distributed system
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United States of America Patent
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Feb 20, 2001
Issued Date -
N/A
app pub date -
Mar 10, 1999
filing date -
Oct 21, 1997
priority date (Note) -
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Abstract
A distributed computer system and method for determining cluster membership in a distributed computer system. A plurality of computers configurable as cluster nodes are coupled through one or more public and/or private communications networks. Cluster management software running on the plurality of computers is configured to group various ones of the computers into a cluster. Weighting values are assigned to each node, such as by relative processing power. Each fully connected subset of nodes are grouped into a possible cluster configuration. The weighting value of each subset is calculated. The membership in the cluster is chosen based on the subset with the optimum weighting value among all the possible cluster configurations. The maximum weighting value may be adjusted if the maximum weighting value is greater than or equal to the sum of all other weighting values for all other nodes in the current cluster configuration. The maximum weighting factor may be adjusted to a value below the sum of all other weighting values for all other nodes in the current cluster configuration.
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