频谱灵活光网络的故障概率与光纤链路负载均衡联合优化方法

doi:10.11959/j.issn.1000-436x.2019178

Journal on Communications ›› 2019, Vol. 40 ›› Issue (9): 136-144.doi: 10.11959/j.issn.1000-436x.2019178

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Joint optimization method of failure probability and fiber-link load balancing in flexible bandwidth optical network

Bowen CHEN¹,Xiaodong FU²,Yu LEI¹

¹ School of Electronic and Information Engineering,Soochow University,Suzhou 215006,China
² Zhongtian Broadband Technology,Nantong 226000,China

Revised:2019-05-14 Online:2019-09-25 Published:2019-09-28
Supported by:
The National Natural Science Foundation of China(61701332);The Natural Science Foundation of Jiangsu Province(BK20160326);University Science Research Project of Jiangsu Province(16KJB510041)

Abstract

Abstract:

In order to gain insight into the relationship between the failure probability and the spectrum efficiency,both failure probability (FP) and load balancing (LB) were attempted to minimize in flexible bandwidth optical networks.An optimized FP-LB algorithm was developed to reduce failure probability and to improve the spectrum efficiency,and a traditional algorithm was further introduced for comparison in flexible bandwidth optical networks.Simulation results show that the optimized FP-LB algorithm reduces 69.8% blocking probability,45.3% spectrum occupancy rate,and 41.9% average failure probability compared to the traditional algorithm.Obviously,the optimized FP-LB algorithm achieves the joint optimization of both failure probability and load balancing.

Key words: flexible bandwidth optical network, failure probability, fiber-link load balancing, joint optimization

CLC Number:

TN913.7

Bowen CHEN,Xiaodong FU,Yu LEI. Joint optimization method of failure probability and fiber-link load balancing in flexible bandwidth optical network[J]. Journal on Communications, 2019, 40(9): 136-144.

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