Study on reconfigurable P-cycle model in WDM networks

Zhang Pengfei1; Zu Yunxiao1.Li Bin2; Gu Wanyi2

doi:10.13756/j.gtxyj.2008.04.012

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Study on reconfigurable P-cycle model in WDM networks

- Study on reconfigurable P-cycle model in WDM networks
- Study on Optical communication Issue 4, Pages: 8-10(2008)
- 作者机构：
  
  1. 北京邮电大学电子工程学院
  2. 北京邮电大学光通信与光波技术教育部重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2008.04.012
  CLC： TN929.1
- Published：2008，
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[1]张鹏飞,俎云霄,李彬,顾畹仪.WDM网络中可重构P圈模型的研究[J].光通信研究,2008(04):8-10+30.

Zhang Pengfei1, Zu Yunxiao1.Li Bin2, Gu Wanyi2. Study on reconfigurable P-cycle model in WDM networks. [J]. (4):8-10(2008)
[1]张鹏飞,俎云霄,李彬,顾畹仪.WDM网络中可重构P圈模型的研究[J].光通信研究,2008(04):8-10+30. DOI： 10.13756/j.gtxyj.2008.04.012.

Zhang Pengfei1, Zu Yunxiao1.Li Bin2, Gu Wanyi2. Study on reconfigurable P-cycle model in WDM networks. [J]. (4):8-10(2008) DOI： 10.13756/j.gtxyj.2008.04.012.

摘要

为了解决波分复用（WDM）网络中由于流量分布变化而导致网络中预配置P圈保护资源分配不准确的问题

提出了可重构P圈的概念

并建立了一种基于网络性能参数进行重新配置的P圈模型。在OPNET中搭建仿真平台

基于泛欧COST239网络拓扑结构

对提出的模型进行了验证。仿真结果表明

根据网络的变化重新计算优选P圈

可以降低网络的性能抖动

提高网络的保护资源利用率。

Abstract

In order to avoid inaccuracies in the pre-configured P-cycle protection resource allocation arising from the variations of the traffic distribution in WDM networks

a reconfigured P-cycle concept is proposed and a reconfigured P-cycle model based on network performance parameters set up.A simulation platform is constructed in OPNET to verify its efficiency on the basis of Pan-European COST239 network topology.Simulation results show that re-computing the optimized P-cycle according to the network variation can reduce the network performance jittering and improve the utilization rate of the protection resource.

关键词

可重构P圈波分复用保护光网络

Keywords

reconfigured P-cycleWDMprotectionoptical network

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