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Method of load balancing a distributed workflow management system

  • US 7,127,716 B2
  • Filed: 02/13/2002
  • Issued: 10/24/2006
  • Est. Priority Date: 02/13/2002
  • Status: Expired due to Term
First Claim
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1. A method of distributing workload in a workflow management system comprising the steps of:

  • during a calibration mode, executing plural instantiations of a test process to identify load index parameters;

    calculating a load index based on the load index parameters for each of a plurality of engines of the workflow management system, wherein each load index reflects a workload of its associated engine, wherein the load index corresponds to an average activity execution delay; and

    distributing workload across the plurality of engines in response to the load indices in a load sensitive mode,wherein identifying the load index parameters comprises identifying a single engine nominal activity execution delay (C) when no concurrent activities are executing and an activity execution latency factor (λ

    ), wherein λ

    is a function of a number of concurrently executing activities.

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