Performance evaluation of power-aware communication network devices

Authors:
Hiroyuki Okamura;Tadashi Dohi
Affiliations:
Department of Information Engineering, Graduate School of Engineering, Hiroshima University, Higashi-Hiroshima, Japan;Department of Information Engineering, Graduate School of Engineering, Hiroshima University, Higashi-Hiroshima, Japan
Venue:
EUC'05 Proceedings of the 2005 international conference on Embedded and Ubiquitous Computing
Year:
2005

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Abstract

In this paper, we focus on power-aware network devices, and propose a stochastic model to evaluate their performance quantitatively. More precisely, applying the Markovian additive process (MAP) to the arrival stream for network devices, we develop a stochastic dynamic power management (DPM) model with shutdown policy. Two performance measures for power-saving and processing; steady-state power consumption and throughput, are derived analytically for the DPM model. In numerical examples, we investigate the performance of the power-aware communication device with shutdown in terms of power-saving and processing.