NDLI: Energy-Efficient Traffic Grooming in WDM Networks With Scheduled Time Traffic

Content Provider	IEEE Xplore Digital Library
Author	Shuqiang Zhang Dong Shen Chun-Kit Chan
Copyright Year	1983
Abstract	In this paper, we investigate both static and dynamic traffic grooming problems in a wavelength routing network, so as to minimize the total energy consumption of the core network, with the additional consideration of the holding times of the lightpaths and connection requests. In the static case, all connection requests with their setup and tear-down times are known in advance. We formulate an integer linear programming to minimize the energy consumption. In the dynamic case, we adopt a layered graph model called grooming graph and propose a new traffic grooming heuristics called time-aware traffic grooming, which takes the holding time of a new arrival connection request and the remaining holding time of existing lightpaths into consideration. We compare different traffic grooming policies, in terms of the energy efficiency, under various traffic loads. The results provide implications to select the most energy-efficient traffic grooming policies under various scenarios.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	2577
Ending Page	2584
Page Count	8
File Size	1540064
File Format	PDF
ISSN	07338724
Volume Number	29
Issue Number	17
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Energy consumption Optical fiber networks Power demand Equations Transceivers Energy efficiency Telecommunication traffic wavelength routing networks traffic grooming
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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