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基于波长路由的ＷＤＭ 全光网是下一代高速宽带光纤网络的首选技术。ＳＨＡＯＮＥＴ 是国内自主开发的第一个ＷＤＭ 全光试验网平台，它采用了一种新型保护结构的ＯＡＤＭ，具有很强的自愈功能。本文阐述了ＳＨＡＯＮＥＴ 中采用的快速自愈保护机制及其实现
WDM all-optical network based on wavelength routing is the technology of choice for the next generation of high-speed broadband optical networks. SHAONET is the first WDM all-optical trial network platform independently developed in China. It adopts a new type of OADM with protection structure and has strong self-healing function. This article explains the fast self-healing protection mechanism used in SHAONET and its implementation