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VIRTUAL MACHINE SYSTEM

  • US 20100023940A1
  • Filed: 06/26/2009
  • Published: 01/28/2010
  • Est. Priority Date: 07/28/2008
  • Status: Active Grant
First Claim
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1. A virtual machine system for running a plurality of virtual machines on a physical machine, said virtual machine system comprising:

  • a virtual battery manager for managing a virtual battery for running a virtual machine, said virtual battery holding electric energy used by the virtual machine, said virtual battery being capable of discharging and being charged;

    a schedule manager for allocating a resource of the physical machine to the virtual machine;

    a resource quota manager for managing a resource quota for each of the plurality of virtual machines in accordance with status data acquired from the schedule manager, said status data indicating an allocated status of the resource on each of the plurality of virtual machines;

    a discharge calculator for calculating a discharged amount of the virtual battery by calculating energy consumption of the virtual machine with reference to a consumption policy and a consumption allocation table when the resource quota for the virtual machine satisfies a predefined condition for discharging, said consumption policy defining a maximum amount of total energy consumption of the plurality of virtual machines, said consumption allocation table containing an allocated ratio of energy consumption for each of the plurality of virtual machines; and

    a discharger for decreasing a battery level of the virtual battery.

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