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In transparent optical networks it is critical to consider the impact of the crosstalk effect on the routing and wavelength assignment (RWA) process, in order to limit the impact of jamming attacks on the network, as well as the increased cost arising from the need for high port isolation in optical nodes. In this paper, we propose the use of a Genetic Algorithm (GA) that solves the RWA problem with...
Ring-based WDM-PONs can employ a single dedicated wavelength channel to interconnect the Optical Network Units (ONUs) thus providing a means for inter-ONU communication and downstream wavelength sharing. In this paper, a new TDM dynamic bandwidth allocation (DBA) algorithm for inter-ONU communication is proposed, which takes into account the destination of the ONUs on the ring. The main purpose of...
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