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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: K. Bergman and O. Gerstel
  • Vol. 5, Iss. 8 — Aug. 1, 2013
  • pp: 858–869

Green Grooming in a More Realistic and Multidomain Optical Network

Weigang Hou, Lei Guo, Zeyu Zheng, and Xue Zhang  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 5, Issue 8, pp. 858-869 (2013)
http://dx.doi.org/10.1364/JOCN.5.000858


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Abstract

Currently, the concept of greening the Internet is emerging with the increasingly acute energy crisis. Reducing the power consumption in IP over wavelength-division multiplexing (WDM) optical networks is of great significance. From the perspective of traffic engineering, green grooming has performed well in terms of power savings. However, in a more realistic network, some traffic characteristics are not taken into account. Moreover, most methods of green grooming are applied to a single network. As the network scale continuously becomes larger, the backbone presents a multidomain structure. Considering the peak traffic distribution in the multidomain network, i.e., that the peak traffic tends to scatter over boundary nodes, we propose a novel hose-model separation to emulate the limited traffic information in a more realistic optical network. To maximize the power efficiency, we determine the inverse power-efficiency ratio by theoretical analysis. We then utilize a heuristic, referred to as minimizing the total inverse power-efficiency ratio (MTPR), to establish lightpaths. The simulation results have demonstrated the effectiveness of MTPR under different topologies and various traffic patterns.

© 2013 Optical Society of America

OCIS Codes
(060.4251) Fiber optics and optical communications : Networks, assignment and routing algorithms
(060.4256) Fiber optics and optical communications : Networks, network optimization

ToC Category:
Research Papers

History
Original Manuscript: January 22, 2013
Revised Manuscript: May 20, 2013
Manuscript Accepted: June 3, 2013
Published: July 15, 2013

Citation
Weigang Hou, Lei Guo, Zeyu Zheng, and Xue Zhang, "Green Grooming in a More Realistic and Multidomain Optical Network," J. Opt. Commun. Netw. 5, 858-869 (2013)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-5-8-858

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