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2015 IEEE Symposium on Computers and Communication (ISCC) (2015)
Larnaca, Cyprus
July 6, 2015 to July 9, 2015
ISBN: 978-1-4673-7193-3
pp: 31-37
Alexis I. Aravanis , Synelixis Solutions Ltd., National Technical University of Athens
Terpsichori-Helen Velivassaki , Singular Logic Athens, Greece
Artemis Voulkidis , Synelixis Solutions Ltd., Athens, Greece
Theodore Zahariadis , Synelixis Solutions Ltd., Athens, Greece
Panayotis G. Cottis , School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece
The increasing demand for highly sophisticated cloud services and the consequent worldwide increase in the number of data centers (DC), make the need for energy efficient operation of DCs more actual than ever. Additionally, in the context of smart city and smart grid integration, flexible DCs can play a key role toward acting as grid-stabilization factors. In this paper, a review of the available techniques toward energy-efficient DC operation is performed. The available techniques give rise to four axes of flexibility within a federated DC network. Next, the applicability of the flexible, energy-efficient DC operation is highlighted, by proposing a simple scheduling algorithm, applicable to legacy DC equipment, for effective host and re-arrangement of the DC computing load. The proposed algorithm can provide substantial energy savings during periods of low computing load and improved Quality of Service during periods of high computing load. Concluding, the paper focuses on the grid-stabilization aspects of a federated DC network and the interoperability with the energy network via an Electronic Energy Marketplace in the context of a Smart City.
Servers, Optimization, Smart cities, Energy consumption, Electronic mail, Context, Smart grids

A. I. Aravanis, T. Velivassaki, A. Voulkidis, T. Zahariadis and P. G. Cottis, "Federated data centers as smart city stabilizing factors," 2015 IEEE Symposium on Computers and Communication (ISCC), Larnaca, Cyprus, 2015, pp. 31-37.
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