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The authors propose a novel cross layer optimization scheme for the design and dimensioning of green-field WDM PON networks. For a given geographical location of the OLT, the ONUs and their corresponding aggregated traffic demand, they propose a generic Integer Linear Programming (ILP) model which optimally and simultaneously: congregates the ONUs into clusters, determines the type (splitter/AWG) and number of output ports of the passive switching equipment for all clusters so that all ONUs can be served, identifies the location of the switching equipment, determines the proper link dimensioning so as to allow the provisioning of the overall aggregated traffic demand destined to/from the ONUs.
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