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

Bowen CHEN; Xiaodong FU; Yu LEI

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

Papers | 更新时间：2024-06-05

- Joint optimization method of failure probability and fiber-link load balancing in flexible bandwidth optical network
- Journal on Communications Vol. 40, Issue 9, Pages: 136-144(2019)
- 作者机构：
  
  1. 苏州大学电子信息学院，江苏苏州 215006
  2. 中天科技研究院，江苏南通 226000
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(61701332);The Natural Science Foundation of Jiangsu Province(BK20160326);University Science Research Project of Jiangsu Province(16KJB510041)
- DOI：10.11959/j.issn.1000-436x.2019178
  CLC： TN913.7
- Online First：2019-09，
  
  Published：25 September 2019
- 稿件说明：
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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.
DOI：

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

摘要

在频谱灵活光网络中，为了解决网络故障概率与光纤链路负载均衡问题，建立了故障概率与光纤链路负载均衡联合计算与评估模型，提出了故障概率与光纤链路负载均衡联合优化方法。仿真结果表明，与传统方法相比，当不考虑保护带宽时，所提故障概率与光纤链路负载均衡联合优化方法降低了69.8%网络阻塞率，减少了45.3%频谱资源占用率，减少了 41.9%平均故障概率，实现了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。

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.

关键词

Keywords

references

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