Mobility

A Sensor Network to Profile the Electrical Power Consumption of Computer Networks

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Executive Summary

The authors introduce a sensor network to measure the individual power consumption of a large number of network elements in near-real time. A main application of this system is to obtain profiles of the power usage of network elements, i.e., a parameterization of power consumption with respect to workload. They discuss the design and implementation of both hardware and software aspects of the system as well as the application of the measurement results to achieve power-efficient routing. There is a growing interest in finding power efficient solutions for computer networks, motivated among other factors by environmental concerns, the introduction of "Green" government policies and the increasing energy bills.

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