Data Centers

PCube: Improving Power Efficiency in Data Center Networks

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Executive Summary

To alleviate the growing concern of energy waste in networked devices, the authors present PCube, a server-centric data center structure that conserves energy by varying bandwidth availability based on traffic demand. PCube not only supports a low-power mode for existing data centers offering full bisection bandwidth without hardware modification or re-wiring, but also provides an alternative for new data centers at a lower construction cost. The bandwidth demand could be dynamic and scalable in the optimal way when considering conserving the energy waste.

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