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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 26, Iss. 13 — Jul. 1, 2008
  • pp: 1744–1751

Fast Routing Algorithms for Lightpath Establishment in Wavelength-Routed Optical Networks

Baoxian Zhang, Jun Zheng, and Hussein T. Mouftah

Journal of Lightwave Technology, Vol. 26, Issue 13, pp. 1744-1751 (2008)


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Abstract

In this paper, we study shortest-path routing in wavelength-routed optical networks with an objective to optimize the average-case running time for path computation. Four fast routing algorithms are proposed for dynamically computing the shortest lightpaths or semilightpaths in a network with or without wavelength converters. To reduce the average-case running time for path computation, sequential search, backward routing, and informed search are used in the algorithm design. Simulation results show that the proposed algorithms can significantly reduce the average-case computational overhead for path computation as compared with existing algorithms.

© 2008 IEEE

Citation
Baoxian Zhang, Jun Zheng, and Hussein T. Mouftah, "Fast Routing Algorithms for Lightpath Establishment in Wavelength-Routed Optical Networks," J. Lightwave Technol. 26, 1744-1751 (2008)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-26-13-1744

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