Dynamic Virtual Machine Allocation in Cloud Server Facility Systems with Renewable Energy Sources

In this paper, the authors explore the problem of Virtual Machine (VM) allocation in a network of cloud server facilities which are deployed in different geographical areas. Each cloud server facility is connected to the conventional power grid network and in addition it is supported by an attached Renewable Energy Source (RES). They address the problem of energy-efficient task allocation in the system in the presence of a time-varying grid energy price and the unpredictability and time variation of provisioned power by the RES. The objective is to reduce the total cost of power consumption for the operator. The key idea is to match the VM load with the RES provisioned power.

Provided by: University of the Witwatersrand Topic: Cloud Date Added: Apr 2013 Format: PDF

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