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Published in:
2013 | OriginalPaper | Chapter
Analysis of Energy Consumption in Edge Router with Sleep Mode for Green OBS Networks
Authors : Wonhyuk Yang, Mohamed A. Ahmed, Ki-Beom Lee, Young-Chon Kim
Published in: Grid and Pervasive Computing
Publisher: Springer Berlin Heidelberg
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In this paper, we analyze the energy consumption of edge router with sleep mode in OBS networks. The edge router with sleep mode consists of multiple line cards, multiple OBS line cards, a SCU(Switch Control Unit) and an electronic switch fabric. The OBS line card, which is the main part of edge router, performs the functions of edge router such as BCP(Burst Control Packet) and burst assembly, BCP scheduling and sleep mode. In OBS line card, it is possible to reduce energy consumption by controlling PHY/Transceiver module from active state to sleep state for burst assembling by using sleep mode. In order to evaluate the energy saving performance of the OBS edge router with sleep mode, the power consumption is analyzed according to the datasheet of packet router and optical device. And, simulation by using OPNET is also performed in terms of sleep time and average queuing delay.