Nature-Inspired Routing and Wavelength Assignment Algorithms for Optical Circuit-Switched Polymorphic Networks |
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| Authors: | I De Miguel I Tafur Monroy J C Gonzalez |
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| Institution: |
a Department of Signal Theory, Communications and Telematic Engineering, Universidad de Valladolid, Valladolid, Spain.
b COBRA Institute, Eindhoven University of Technology, Eindhoven, The Netherlands.
c Department of Signal Theory, Communications and Telematic Engineering, Universidad de Valladolid, Valladolid, Spain, and, COBRA Institute, Eindhoven University of Technology, Eindhoven, The Netherlands. |
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| Abstract: | 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. |
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| Keywords: | polymorphic optical networks optical circuit switching routing and wavelength assignment ant colony optimization genetic algorithms |
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