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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 2 — Jan. 24, 2005
  • pp: 545–551

New strategy for optimizing wavelength converter placement

Y. C. Foo, S. F. Chien, Andy L. Y. Low, C. F. Teo, and Youngseok Lee  »View Author Affiliations


Optics Express, Vol. 13, Issue 2, pp. 545-551 (2005)
http://dx.doi.org/10.1364/OPEX.13.000545


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Abstract

This paper proposes a new strategic alternate-path routing to be combined with the particle swarm optimization (PSO) algorithm to better solve the wavelength converters placement problem. The strategic search heuristic is designed to provide network connectivity topologies for the converters to be placed more effectively. The new strategy is applied to the 14-node NSFNET to examine its efficiency in reducing the blocking probability in sparse wavelength conversion network. Computed results show that, when applied to the identical optimization framework, our search method outperforms both the equal-cost multipath routing and traffic-engineering-aware shortest-path routing.

© 2005 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4250) Fiber optics and optical communications : Networks

ToC Category:
Research Papers

History
Original Manuscript: November 12, 2004
Revised Manuscript: January 13, 2005
Published: January 24, 2005

Citation
Y. Foo, S. Chien, Andy Low, C. Teo, and Youngseok Lee, "New strategy for optimizing wavelength converter placement," Opt. Express 13, 545-551 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-2-545


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References

  1. S. Gao, X. Jia, C. Huang, and D. Du, �??An optimization model for placement of wavelength converters to minimize blocking probability in WDM networks,�?? OSA/IEEE J. Lightwave Technol. 21, 684-694 (2003). [CrossRef]
  2. C.F. Teo, Y.C. Foo, S.F. Chien, Andy L.Y. Low, B. Venkatesh, and A.H. You, �??Optimal placement of wavelength converters in WDM networks using particle swarm optimizer,�?? in Proceedings of IEEE International Conference on Communications (Institute of Electrical and Electronic Engineers, Paris, 2004), pp. 1669-1673.
  3. Y. C. Foo, Youngseok Lee, C. F. Teo, S. F. Chien, and Andy L. Y. Low, �??Enhancing wavelength converter placement optimization with traffic-engineering-aware shortest-path routing,�?? IEICE Electron. Express 1, 416-422 (2004), <a href="http://joi.jlc.jst.go.jp/JST.JSTAGE/elex/1.416.">http://joi.jlc.jst.go.jp/JST.JSTAGE/elex/1.416.</a> [CrossRef]
  4. Youngseok Lee and B. Mukherjee, �??Traffic-engineering-aware shortest-path routing and its application in IP-over-WDM networks," J. Opt. Netw. 3, 133-151 (2004), <a href="http://www.osa-jon.org/abstract.cfm?URI=JON-3-3-133.">http://www.osa-jon.org/abstract.cfm?URI=JON-3-3-133.</a> [CrossRef]
  5. J. Kennedy, and R. C. Eberhart, �??Particle swarm optimization,�?? in Proceedings of IEEE International Conference on Neural Networks (Institute of Electrical and Electronic Engineers, Piscataway, NJ, 1995), pp. 1942-1948.

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