A directional P-cycle-based protection deployment strategy in optical Mesh networks

Zang Yunhua; Deng Yu; Zhang Jie; Gu Wanyi

doi:10.13756/j.gtxyj.2007.04.004

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A directional P-cycle-based protection deployment strategy in optical Mesh networks

- A directional P-cycle-based protection deployment strategy in optical Mesh networks
- Study on Optical communication Issue 4, Pages: 12-15(2007)
- 作者机构：
  
  1. 北京邮电大学光通信与光波技术教育部重点实验室
  2. 北京邮电大学光通信与光波技术教育部重点实验室北京100876
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2007.04.004
  CLC： TN929.1;TN918.6
- Published：2007，
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[1]臧云华,邓宇,张杰,顾畹仪.Mesh光网络基于有向P圈的保护配置策略[J].光通信研究,2007(04):12-15.

Zang Yunhua, Deng Yu, Zhang Jie, et al. A directional P-cycle-based protection deployment strategy in optical Mesh networks. [J]. (4):12-15(2007)
[1]臧云华,邓宇,张杰,顾畹仪.Mesh光网络基于有向P圈的保护配置策略[J].光通信研究,2007(04):12-15. DOI： 10.13756/j.gtxyj.2007.04.004.

Zang Yunhua, Deng Yu, Zhang Jie, et al. A directional P-cycle-based protection deployment strategy in optical Mesh networks. [J]. (4):12-15(2007) DOI： 10.13756/j.gtxyj.2007.04.004.

摘要

文章针对波分复用（WDM）光网络的工作机制

提出了有向P圈的概念和WDM网络基于有向P圈的保护机制及配置策略。同时

提出了对偶圈合并法则和以此为基础的P圈生成和网络保护资源配置启发式算法。为了验证配置方案的有效性

利用OPNET Modeler搭建了自动交换光网络（ASON）-WDM仿真平台

在泛欧COST239网络拓扑和北美NSFnet网络拓扑上进行了大量仿真。仿真结果证明了P圈生成算法和有向P圈配置策略的有效性和可行性。

Abstract

In view of the working principle of the optical WDM network

the concept of directional P-cycle is presented and the directional P-cycle-based protection mechanism and deployment strategy expounded.Then the coupling cycle joint method and a heuristic algorithm for the growth of P-cycles and network protection resource deployment based on this method are proposed.Finally

simulations are conducted in COST239 and NSFnet topologies on the ASON-WDM platform set up by using OPNET Modeler.The results show that the algorithm and the deployment strategy are effective and feasible.

关键词

波分复用光网络生存性有向P圈对偶圈容量效率

Keywords

optical WDM networksurvivabilitydirectional P-cyclecoupling cyclecapacity efficiency

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Related Institution

School of Communications and Information Engineering,NJUPT

Information Communication Branch, State Grid Liaoning Electric Power Co., Ltd.

Information Communication Branch, State Grid Eastern Inner Mongolia Electric Power Co., Ltd.

State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications

State Grid Laboratory of Electric Power Communication Network Technology, Global Energy Interconnection Research Institute Co., Ltd.

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