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Energy-Aware Networks: Reducing Power Consumption By Switching Off Network Elements

By Luca Chiaraviglio, Marco Mellia and Fabio Neri


Abstract—According to several studies, the power consumption of the Internet accounts for up to 10 % of the worldwide energy consumption, and several initiatives are being put into place to reduce the power consumption of the ICT sector in general. To this goal, we propose a novel approach to switch off network nodes and links while still guaranteeing full connectivity and maximum link utilization. After showing that the problem falls in the class of capacitated multi-commodity flow problems, and therefore it is NP-complete, we propose some heuristic algorithms to solve it. Results shows that it is possible to reduce the number of links and nodes currently used by up to 25 % and 10% respectively while offering the same service quality

Topics: green networks, power-aware, optimization
Year: 2010
OAI identifier: oai:CiteSeerX.psu:
Provided by: CiteSeerX
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