GreenCoop: Cooperative Green Routing With Energy-Efficient Servers

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Executive Summary

Energy-efficient communication has recently become a key challenge for both researchers and industries. This paper proposes a new model in which a Content Provider and an Internet Service Provider cooperate to reduce the total power consumption. The authors solve the problem optimally and compare it with a classic formulation, whose aim is to minimize user delay. Results, although preliminary, show that power savings can be huge: up to 71% on real ISP topologies. The authors also show how the degree of cooperation impacts overall power consumption.

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