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Improved Lightpath (Wavelength) Routing in Large WDM Networks

Liang, Weifa; Shen, Xiaojun


We address the problem of efficient circuit switching in wide area networks. The solution provided is based on finding optimal routes for lightpaths and semilightpaths. A lightpath is a fully optical transmission path, while a semilightpath is a transmission path constructed by chaining several lightpaths together, using wavelength conversion at their junctions. The problem thus is to find an optimal lightpath/semilightpath in the network in terms of the cost of wavelength conversion and the...[Show more]

CollectionsANU Research Publications
Date published: 2000
Type: Journal article
Source: IEEE Transactions on Communications
DOI: 10.1109/26.870024


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