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Dynamic routing, modulation, and spectrum assignment based on fuzzy logic control in elastic optical networks

Yi Zhao, Qi Zhang, Zhipei Li, Xiangjun Xin, Ran Gao, Furong Chai, Ying Tao, Qinghua Tian, Feng Tian, Dong Chen, Jinxin Qian, and Mai Yang

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Abstract

Considering the constantly changing network resources and randomly generated spectrum fragmentation problem, a dynamic routing, modulation, and spectrum assignment based on the fuzzy logic control (RMSA-FLC) algorithm is proposed in this paper. A fuzzy logic control (FLC) system based on the degree of fragmentation optimization and the degree of link selection is constructed. The path-control weight (PW) is achieved as the output of the FLC system, and the path and spectrum allocation scheme with the maximum PW is selected for the immediate reservation requests. The simulation results show that the proposed RMSA-FLC algorithm can effectively reduce the blocking probability and improve the spectrum resource utilization in a dynamic elastic optical network.

© 2021 Optical Society of America

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Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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