Evaluate the blocking performance for "All optical wavelength routed WDM networks with and without wavelength converters" using the iterative path decomposition algorithm

Authors:
Farouk E. El-Khamy;Mohamed Nasr;Hossam M. H. Shalaby;Hussein T. Mouftah
Affiliations:
Consultant with National Telecommunication institute Cairo, Egypt;Dept of Electronic & Communication, Faculty of Engineering. Tanta University, Egypt;Dept. of Electrical Engineering, Faculty of Engineering, University of Alexandria, Egypt;Canada Research Chair, Distinguished University Professor and Professor, School of Info. Tech & Eng. Ottawa
Venue:
HONET'09 Proceedings of the 6th international conference on High capacity optical networks and enabling technologies
Year:
2009

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Abstract

Wavelength-routed networks can effectively utilize the bandwidth of the optical fibers. Wavelength converters help to reduce the blocking probability of the network and enhance the fiber utilization. We use the iterative path decomposition algorithm to evaluate accurately and efficiently the blocking performance of 14-node NSFNet with and without wavelength converters. The iterative algorithm analyzes the original network by decomposing it into single-path subsystems. These subsystems are analyzed in isolation, and the individual results are appropriately combined to obtain a solution for the overall network.