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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editor: Richard A. Linke
  • Vol. 6, Iss. 4 — Apr. 3, 2007
  • pp: 349–368

Efficient use of protection bandwidth and switching resources in optical WDM networks

Eric D. Manley, Haitham S. Hamza, and Jitender S. Deogun  »View Author Affiliations


Journal of Optical Networking, Vol. 6, Issue 4, pp. 349-368 (2007)
http://dx.doi.org/10.1364/JON.6.000349


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Abstract

<p><a href="http://www.osa-jon.org/virtual_issue.cfm?vid=26">Feature Issue on Photonics in Switching</a></p>We propose a method for simultaneously achieving high resource usage efficiency in terms of both bandwidth and switching resources in protected optical WDM networks. Branch points in protection bandwidth have previously been shown to lead to slower recovery times. We show that branch avoidance may also lead to more efficient use of resources within optical switches. Through our experimental simulations of our online algorithm with an incremental traffic model, we have found that considering bandwidth alone leads to inefficient use of switching resources. Similarly, total elimination of branching leads to inefficient bandwidth usage. However, taking a balanced approach leads to high efficiency with both resources.

© 2007 Optical Society of America

OCIS Codes
(060.4250) Fiber optics and optical communications : Networks
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
Photonics in Switching

History
Original Manuscript: October 2, 2006
Revised Manuscript: December 29, 2006
Manuscript Accepted: January 19, 2007
Published: March 9, 2007

Virtual Issues
Photonics in Switching (2006) Journal of Optical Networking

Citation
Eric D. Manley, Haitham S. Hamza, and Jitender S. Deogun, "Efficient use of protection bandwidth and switching resources in optical WDM networks," J. Opt. Netw. 6, 349-368 (2007)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jon-6-4-349


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