MatPlanWDM is a MATLAB-based publicly available network planning tool for Wavelength-Routing (WR) optical networks, and it was fully developed by our research group. This paper describes the multi-hour planning analysis extension included into the MatPlanWDM version 3. This novel functionality allows the user to test planning algorithms which react under changes in the traffic demands. Multi-hour traffic patterns appear typically in backbone WR networks that span over large geographical areas, where network nodes are situated in different time zones. A case study example is included to illustrate the merits of the tool.
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