Meta Heuristic for WDM Optical Networks Without Wavelength Conversion
Keywords:Heuristic Algorithms, National Science Foundation NETwork, Optical Networks, Snake One, Wavelength Division Multiplexing,
AbstractThis paper presents the results of the algorithm Snake-Two, evolving from algorithm Snake-One, which showed important results in the blocking probability of transport networks under dynamic traffic, but poor results in the network utilization indicator. The strategy applied is called Saturated Link and it moves traffic to congestion zones, creating concentrated network utilization, thus improving blocking probability. This is achieved by monitoring congested links using the full saturation capacity of each link. This way, the ones least used are downloaded, which enables keeping the congestion zoned and saturated, significantly lowering the blocking probability with low network utilization cost for dynamic traffic scenarios.
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