Mirosław Klinkowski

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We introduce a mixed-integer optimization model for two-layer IP-over-Flexgrid networks, and present a cost study performed using the CPLEX package for the introduced model. The study concerns a generic German network with 12 nodes and 20 links in the optical layer, and a set of six IP traffic matrices with increasing demand volumes. The optimization(More)
Flexible-grid elastic optical networks (EONs) are expected to substitute in near future fixed-grid wavelength division multiplexing (WDM) optical networks. The previous works that were focused on optimization of EONs take many different assumptions regarding the transmission reach of modulation formats (MFs). However, according to the best of our knowledge,(More)
Space division multiplexing (SDM) seems to be a promising solution with the scaling potential to overcome the possible capacity crunch problem in optical backbone networks. The main goal of this paper is to provide a detailed analysis of three SDM scenarios, namely, SDM-Fixed, SDM-Single, and SDM-Flexible in terms of the spectrum usage and the wastage of(More)
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