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In a Wavelength Division Multiplexed (WDM) optical network, data is communicated using modulated optical signals. In a WDM network, corresponding to each connec- tion request, a lightpath is to route the optical signals through the network. During its propagation through the optical network the quality of an optical signal degrades due to various physical phenomena. Regenerators are devices to restore the quality of optical signals in WDM networks. Our objective is to propose a new heuristic to carry out Routing and Wavelength Assignment (RWA), taking into consideration the physical layer impairments. For a given set of source-destination pairs and the topology of a network, this heuristic will carry out RWA using a minimum number of regenerators, while maintaining a desired level of quality of transmission.
Akula, Ganeshsantosh, "A Heuristic Approach for Impairment-Aware Static RWA in WDM Translucent Networks" (2014). Electronic Theses and Dissertations. 5227.