Raffaele Bolla, Roberto Bruschi, Alessandro Carrega
IEEE International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS)
Publication year: 2010

Keywords

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Abstract

Due to the continuous growth of customer population, the spreading of broadband access, the increase in energy price, and the expanding number of services being offered by telecoms and providers, energy efficiency issue has become a high-priority objective for wired networks and services infrastructures. Current network devices are well-known to be over-dimensioned for rush-hour traffic loads and to have flat energy requirements on their real utilization. Recent studies suggested reducing the energy consumption of networks and networked devices through the introduction of adaptive capabilities, which allow modulating energy requirements according to network-aware performance (i.e., delays, packet losses, etc.). However, at the today’s state of the art, the real impact of these power management techniques is not clear and requires further studies and researches. Based on this context, we focus on the development of a new simulator called “GreenSim”, that aims at analyzing and evaluating the impact of adaptive energy saving techniques both on network- and energy-sides in the presence of real traffic traces and data. The results achieved with the proposed simulator demonstrate that these green technologies, when applied to packet processing engines inside network devices, can save up more that 40% of energy consumption in the presence of real Internet traffic profiles while maintaining an acceptable network performance level.

Co-Authors

Raffaele Bolla

Raffaele Bolla

Professor

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Roberto Bruschi

Roberto Bruschi

CNIT Researcher

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