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Due to continuously increasing popularity of various network services the overall Internet traffic grows quickly. According to the recent Visual Networking Index report published by Cisco, the IP traffic will grow at a compound annual growth rate (CAGR) of 22 percent from 2015 to 2020. Space division multiplexing (SDM) in optical networks seems to be a promising solution with the scaling potential...
The impact of traffic asymmetry on performance of Elastic Optical Networks (EONs) is studied. Results of experiments are presented to show how both symmetric and asymmetric lightpath provisioning scenarios influence spectrum usage and network CAPEX cost.
The impact of traffic asymmetry on usage of multiflow transponders (MFTs) in elastic optical networks with dedicated path protection is examined. Based on experiments performed on European network, acceptable costs of MFTs, with respect to 100G WDM transponders, are evaluated.
A spectrum-sliced elastic optical path network (SLICE) architecture has been recently proposed as an efficient solution for a flexible bandwidth allocation in optical networks. In SLICE, the problem of Routing and Spectrum Assignment (RSA) emerges. In this letter, we both formulate RSA as an Integer Linear Programming (ILP) problem and propose an effective heuristic to be used if the solution of ILP...
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