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Method of determining lower bound for replication cost

  • US 20050283487A1
  • Filed: 06/21/2004
  • Published: 12/22/2005
  • Est. Priority Date: 06/21/2004
  • Status: Abandoned Application
First Claim
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1. A method of determining a lower bound for a minimum cost of placing data objects onto nodes of a distributed storage system comprising the steps of:

  • for each data object, assigning a placement of the data object to a node and a time interval which meets a benefit criterion, thereby assigning the placement of the data object to a node-interval;

    for each data object, continuing to assign additional placements of the data object to other node-intervals which each meet the benefit criterion until a performance reaches a performance threshold; and

    calculating a sum of storage costs and creation costs for the placement and the additional placements of the data objects.

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