A SRLG-based dynamic shared-path protection algorithm

Yang Guirong; Zhang Pei; Huang Shanguo; Zhang Jie; Gu Wanyi

doi:10.13756/j.gtxyj.2007.04.001

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A SRLG-based dynamic shared-path protection algorithm

- A SRLG-based dynamic shared-path protection algorithm
- Study on Optical communication Issue 4, Pages: 1-4(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.2007.04.001
  CLC： TN929.1;TN918.6
- Published：2007，
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[1]杨桂荣,张沛,黄善国,张杰,顾畹仪.一种基于SRLG限制的动态共享通道保护算法[J].光通信研究,2007(04):1-4.

Yang Guirong, Zhang Pei, Huang Shanguo, et al. A SRLG-based dynamic shared-path protection algorithm. [J]. (4):1-4(2007)
[1]杨桂荣,张沛,黄善国,张杰,顾畹仪.一种基于SRLG限制的动态共享通道保护算法[J].光通信研究,2007(04):1-4. DOI： 10.13756/j.gtxyj.2007.04.001.

Yang Guirong, Zhang Pei, Huang Shanguo, et al. A SRLG-based dynamic shared-path protection algorithm. [J]. (4):1-4(2007) DOI： 10.13756/j.gtxyj.2007.04.001.

摘要

光网络中引入了共享风险链路组（SRLG）的概念

要求工作通道与保护通道不能处于同一个SRLG之中。文章提出了一种基于SRLG限制的动态共享通道保护算法——动态链路权重配置（Dynamic Link Weight Configuration

DLWC）算法

该算法的关键在于为链路定义了两个动态权重。在计算工作通道和保护通道时

它能综合解决SRLG限制、动态负载均衡和自陷等3个关键问题。

Abstract

The concept of Shared Risk Link Group（SRLG） is introduced in optical networks

in which the work path and the protection path should be SRLG-disjoint.A novel dynamic shared-path protection algorithm called Dynamic Link Weight Configuration（DLWC） algorithm based on SRLG constraints is proposed.The key to this algorithm is the definition of two dynamic weights of a link

which can be used to synthetically cope with three essential problems

i.e.SRLG constraints

dynamic loading balance and trap in calculating the work path and the protection path.

关键词

共享风险链路组共享通道保护负载均衡自陷WDM网状网

Keywords

SRLGshared-path protectionloading balancetrapWDM mesh network

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A novel dynamic shared path protection algorithm in WDM optical networks

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