Data Centers

Using Virtualization to Improve Data Center Efficiency

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Executive Summary

This paper outlines some of the advantages, considerations, processes, and implementation strategies needed to reduce server power consumption in a data center using virtualization techniques. Virtualization has long held the promise of energy savings due to its server consolidation capabilities. This paper provides those responsible for reducing energy consumption with a description of the advantages and processes that should be considered when virtualizing servers in the data center. Data center IT equipment drives the amount of physical infrastructure (e.g., power distribution units, UPS, generators, cooling units) needed to maintain the availability of data center assets. Both the demand side (IT) and the supply side (physical infrastructure) of the data center consume energy. On the IT side, combining workloads onto fewer servers can significantly improve the energy efficiency of a data center.

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