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Dynamic membership management in a distributed system

  • US 9,317,372 B1
  • Filed: 03/17/2014
  • Issued: 04/19/2016
  • Est. Priority Date: 04/13/2005
  • Status: Active Grant
First Claim
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1. A method comprising:

  • determining, using one or more processors, individual weights associated with individual persistent members of a coordination group in a previous quorum;

    determining, using one or more processors, that a current quorum is attained based on an algorithm using the individual weights associated with the individual persistent members of the coordination group in the previous quorum;

    determining, using one or more processors, whether a first site that is a persistent member of the coordination group has participated in at least one quorum prior to the current quorum; and

    responsive to determining that the first site has participated in at least one quorum prior to the current quorum, a registrar of the first site modifying the persistent membership of the coordination group, the coordination group including a number of sites in a distributed environment and including the first site.

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