Minimization of Network Power Consumption with Redundancy Elimination

Frédéric Giroire 1 Joanna Moulierac 1 Truong Khoa Phan 1 Frédéric Roudaut 2
1 MASCOTTE - Algorithms, simulation, combinatorics and optimization for telecommunications
CRISAM - Inria Sophia Antipolis - Méditerranée , COMRED - COMmunications, Réseaux, systèmes Embarqués et Distribués
Abstract : Recently, energy-aware routing has gained increasing popularity in the networking research community. The idea is that traffic demands are aggregated over a subset of the network links, allowing other links to be turned off to save energy. In this paper, we propose GreenRE - a new energy-aware routing model with the support of the new technique of data redundancy elimination (RE). This technique, enabled within the routers, can identify and remove repeated content from network transfers. Hence, capacity of network links are virtually increased and more traffic demands can be aggregated. Based on our real experiments on Orange Labs platform, we show that performing RE consumes some energy. Thus, while preserving connectivity and QoS, it is important to identify at which routers to enable RE and which links to turn off so that the power consumption of the network is minimized. We model the problem as an Integer Linear Program and propose a greedy heuristic algorithm. Simulations on several network topologies show that GreenRE can gain further 30% of energy savings in comparison with the traditional energy-aware routing model.
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Communication dans un congrès
Robert Bestak and Lukas Kencl and Li Erran Li and Joerg Widmer and Hao Yin. International IFIP TC 6 Networking Conference, May 2012, Prague, Czech Republic. Springer, 7289, pp.247-258, 2012, Lecture Notes in Computer Science; NETWORKING 2012. <10.1007/978-3-642-30045-5_19>
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Dernière modification le : mardi 28 août 2012 - 15:34:14
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Frédéric Giroire, Joanna Moulierac, Truong Khoa Phan, Frédéric Roudaut. Minimization of Network Power Consumption with Redundancy Elimination. Robert Bestak and Lukas Kencl and Li Erran Li and Joerg Widmer and Hao Yin. International IFIP TC 6 Networking Conference, May 2012, Prague, Czech Republic. Springer, 7289, pp.247-258, 2012, Lecture Notes in Computer Science; NETWORKING 2012. <10.1007/978-3-642-30045-5_19>. <hal-00721855>

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