【摘要】 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更多还原

【Abstract】 The protection and switch procedure of WDM ring network configured as 1∶1 protection mode is analyzed in detail by using the Logical Equivalent Scheme.Due to the analysis of the protection time of WDM ring network cooperating by the signaling system (such as APS),we derive the formula expressing its protection time.Accompanying the analysis of several factors affecting the protection time in detail,some useful optimization ideas are concluded.Finally,the sequence of time for protection process in the WDM network and one practial example by using typical parameter value are shown in our paper.更多还原