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Dynamic Time based Burst Assemble scheme to reduce energy consumption in OBS network with Low-Power Idle

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4 Author(s)
Dong-Ki Kang ; Dept. of Comput. Eng., Chonbuk Nat. Univ., Jeonju, South Korea ; Won-Hyuk Yang ; Jae-Young Lee ; Young-Chon Kim

Recently, many approaches for Green-IT have been proposed to reduce energy consumption in network. Low Power Idle(LPI) mode can be used to reduce the energy consumption of network equipments. In OBS network, burst assembly scheme, which aggregates the small size packets into large size burst, is important to improve the performance of LPI mode. However, the conventional burst assemble algorithms have focused on improving the QoS (Quality of Service) without considering energy consumption. In this paper, we propose Dynamic Time based Burst Assemble (DT-BA) algorithm using appropriate burst assemble time to maximize energy saving while guaranteeing the QoS. The burst assemble time is determined by queue status and traffic tendency. The performance of proposed algorithm is evaluated in terms of energy saving, average packet delay and transition count through OPNET simulation.

Published in:

Communications (APCC), 2010 16th Asia-Pacific Conference on

Date of Conference:

Oct. 31 2010-Nov. 3 2010