A Simple Scheme for Routing and Wavelength Assignment in WDM Networks

Khaled Maamoun and Hussein Mouftah

2008 Spring Simulation Multiconference (SpringSim'08)- Poster Sessions (SCS-Poster sessions 2008)
Ottawa, Canada, April 14 - 17, 2008

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Summary

Routing and wavelength assignment (RWA) is an important and difficult topic in wavelength division multiplexing (WDM) networks if the node blocking probability is taken into consideration. Here we introduce a new method aimed at minimizing this problem by finding the most suitable route for a coming connection request based on blocking probability estimation at every node. This novel and simple method is achieved by transforming the node-weights to link-weights and finding the route on the new transformed network using the well known Dijkstra’s algorithm to find the shortest path.

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