Qiuwang Lan, Yifeng Cai, Shangjun Chen, Xin Chen, J. Shen
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A Fragmentation-Aware Load-Balanced RMSCA Algorithm in Space-Division Multiplexing Elastic Optical Networks
With the rapid increase of transmission bandwidth and the emergence of a variety of network services, there has been an ever-growing research enthusiasm on routing, modulation, spectrum and core allocation (RMSCA) in spatial multiplexing elastic optical networks (SDM-EONs). Based on frequency slot allocation pattern (FSAP), this paper proposes a fragmentation aware load-balanced routing, modulation, spectrum and core allocation algorithm (FALBR). Simulation results demonstrate that compared with two kinds of RMSCA algorithm, the FALBR algorithm can reduce the request blocking probability (RBP) by approximate 68.31% and 23.07%, and improve the spectrum utilization (SU) by about by 9.35% and 0.60%,respectively.
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