Energy-efficient bandwidth reservation for bulk data transfers in dedicated wired networks

Abstract : The ever increasing number of Internet connected end-hosts call for high performance end-to-end networks leading to an increase in the energy consumed by the networks. Our work deals with the energy consumption issue in dedicated network with bandwidth provisionning and in-advance reservations of network equipments and bandwidth for Bulk Data transfers. First, we propose an end-to-end energy cost model of such networks which described the energy consumed by a transfer for all the crossed equipments. This model is then used to develop a new energy-aware framework adapted to Bulk Data Transfers over dedicated networks. This framework enables switching off unused network portions during certain periods of time to save energy. This framework is also endowed with prediction algorithms to avoid useless switching off and with adaptive scheduling management to optimize the energy used by the transfers. 1 Introduction
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Anne-Cécile Orgerie, Laurent Lefèvre, Isabelle Guérin Lassous. Energy-efficient bandwidth reservation for bulk data transfers in dedicated wired networks. Journal of Supercomputing, Springer Verlag, 2012, p. 1139-1166. ⟨10.1007/s11227-011-0603-7⟩. ⟨hal-00770903⟩

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