Nature-Inspired Routing and Wavelength Assignment Algorithms for Optical Circuit-Switched Polymorphic Networks

Polymorphic optical networks simultaneously support several optical switching paradigms over a single physical network. In this way, they provide service differentiation at the optical layer by employing the most appropriate paradigm for each service. One type of such architecture is the optical cir...

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Bibliographic Details
Published in:Fiber and integrated optics 2004, Vol.23 (2-3), p.157-170
Main Authors: DE MIGUEL, I., MONROY, I. TAFUR, GONZALEZ, J. C.
Format: Article
Language:English
Subjects:
ant colony optimization
genetic algorithms
optical circuit switching
polymorphic optical networks
routing and wavelength assignment
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Summary:Polymorphic optical networks simultaneously support several optical switching paradigms over a single physical network. In this way, they provide service differentiation at the optical layer by employing the most appropriate paradigm for each service. One type of such architecture is the optical circuit-switched polymorphic network (OCSPN), which combines optical circuit switching paradigms with different grades of dynamism. The performance of this network relies on the utilization of efficient routing and wavelength assignment (RWA) algorithms. In this article, we review the fundamentals of OCSPNs and present a set of efficient RWA algorithms based on ant colony optimization and genetic algorithms.
ISSN:0146-8030
1096-4681
DOI:10.1080/01468030490269152