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本文用逻辑等效方法分析了使用 1∶ 1保护配置的 WDM环行网络的保护倒换规程 ,并且对需要信令协调的 WDM环行网络的保护时间进行了分析 ,得到了保护时间的表达式 .在分析各种因素对保护时间影响的基础上 ,提出了优化的思路 .最后还给出了环行网络的保护倒换时序和实例
In this paper, the logical equivalent method is used to analyze the protection switching rules of WDM ring networks that use 1: 1 protection configuration, and the protection time of WDM ring networks that need signaling coordination is analyzed, and the expression of protection time is obtained. Various factors on the protection of time on the basis of the proposed optimization ideas.At the end also gives the ring network protection switching sequence and examples