Energy-Efficiency Link Control Strategy for Transparent IP over WDM Networks

doi:10.13190/j.jbupt.2015.06.009

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2015, Vol. 38 ›› Issue (6): 39-43.doi: 10.13190/j.jbupt.2015.06.009

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Energy-Efficiency Link Control Strategy for Transparent IP over WDM Networks

CHEN Yong¹, JI Hui-qin¹, LIU Huan-lin²

1. Key Laboratory of Industrial Internet of Things and Network Control, (Chongqing University of Posts and Telecommunications) Ministry of Education, Chongqing 400065, China;
2. Key Laboratory of Optical Fiber Communication Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, China

Received:2014-09-16 Online:2015-12-28 Published:2015-12-01

Abstract

Abstract:

Development of networks is restricted by energy consumption. Shutting down part links is an effective energy-saving method for Internet protocol over wavelength division multiplexing (IP over WDM) networks during the period of low traffic requests. Optimization of link-off period is of great influence on the blocking probability and energy-saving effection for IP over WDM networks. According to one-day change of IP traffic requests, an energy efficiency strategy of link time-interval control(SLTIC)was proposed to change the connection state of network topology during off-peak hours. An integer linear programming (ILP) optimization model was derived to optimize the network energy consumption. And a heuristic algorithm was designed to solve the model. Simulation shows that, compared with the original algorithm without link shut, the proposed strategy can decrease the energy consumption effectively. Meanwhile, compared with switch on/off multiple links (SOFM), the proposed SLTIC can achieve a lower request blocking probability.

Key words: wavelength division multiplexing networks, link shut down, time-interval control, power consumption, blocking probability

CLC Number:

TN929.11

CHEN Yong, JI Hui-qin, LIU Huan-lin. Energy-Efficiency Link Control Strategy for Transparent IP over WDM Networks[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2015, 38(6): 39-43.

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Energy-Efficiency Link Control Strategy for Transparent IP over WDM Networks

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