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Method and system for determining a cost-benefit metric for potential virtual machine migrations

  • US 8,095,929 B1
  • Filed: 04/16/2007
  • Issued: 01/10/2012
  • Est. Priority Date: 04/16/2007
  • Status: Active Grant
First Claim
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1. A method of evaluating a benefit of a proposed migration of a first virtual machine (VM) from a source system to a destination system, the method comprising:

  • determining a first amount of a resource of a first type on the source system;

    determining a second amount of the first resource type on the destination system;

    determining a third amount of the first resource type to which the first VM is entitled;

    determining a first resource type cost-benefit metric as a function of the first, second, and third amounts of first resource type;

    evaluating the benefit of the proposed migration of the first VM as a function of the first resource type cost-benefit metric, wherein the first resource type cost-benefit metric is based on a migration cost and a migration benefit, the migration cost being indicative of negative gain from the migration, while the migration benefit is indicative of positive gain from the migration;

    determining a migration time necessary to migrate the first VM from the source system to the destination system; and

    determining the first resource type cost-benefit metric as a function of the determined migration time.

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