System and method dynamic cluster membership in a distributed data system

  • US 20030204509A1
  • Filed: 04/29/2002
  • Published: 10/30/2003
  • Est. Priority Date: 04/29/2002
  • Status: Active Grant
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First Claim
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1. A node for a clustered distributed data system, comprising:

  • a state manager configured to replicate data stored in the node to one or more other nodes in the clustered distributed data system; and

    a cluster topology manager configured to maintain information regarding the membership of nodes in the clustered distributed data system;

    wherein the cluster topology manager is configured to detect changes in the node membership of the clustered distributed data system, wherein the cluster topology manager is configured to send an event notification to the state manager in response to a change in node membership in the clustered distributed data system; and

    wherein the state manager is configured to replicate data to a different one of the one or more other nodes in the clustered distributed data system in response to the event notification.

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