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

陈伯文; 符小东; 雷雨

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

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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

学术论文 | 更新时间：2024-06-05

- 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
- Joint optimization method of failure probability and fiber-link load balancing in flexible bandwidth optical network
- 通信学报 2019年40卷第9期页码：136-144
- 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：
  
  [ "陈伯文（1983- ），男，广西桂平人，博士，苏州大学副教授、硕士生导师，主要研究方向为数据中心与光网络融合、光网络生存性、光网络虚拟化、软件定义光网络等。" ]
  [ "符小东（1978- ），男，江苏东县人，中天科技研究院工程师，主要研究方向为光通信与网络。" ]
  [ "雷雨（1995- ），女，河南南阳人，苏州大学硕士生，主要研究方向为空分复用频谱灵活光网络资源分配。" ]
- 基金信息：
  
  国家自然科学基金资助项目(61701332);江苏省自然科学基金资助项目(BK20160326);江苏省高校自然科学研究基金资助项目(16KJB510041)
- DOI：10.11959/j.issn.1000-436x.2019178
  中图分类号： TN913.7
- 网络出版日期：2019-09，
  
  纸质出版日期：2019-09-25
- 稿件说明：
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陈伯文, 符小东, 雷雨. 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[J]. 通信学报, 2019,40(9):136-144.

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.
陈伯文, 符小东, 雷雨. 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[J]. 通信学报, 2019,40(9):136-144. DOI： 10.11959/j.issn.1000-436x.2019178.

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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