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从1990年以来，随着光通信技术的普遍运用和WDM技术的迅猛发展，许多学者提出了全光网的概念。 一、全光网络的含义和基本组成技术全光网络是光通信网络技术发展的最高阶段，它是一个应用灵活、可靠、性能稳定的网络，分为核心传输网、区域网和接入网3部分。其基本结构相似，都
Since 1990, with the widespread use of optical communication technology and the rapid development of WDM technology, many scholars have proposed the concept of all optical network. First, the meaning of all-optical network and the basic composition of technology All optical network is the highest stage of optical communications network technology development, it is a flexible, reliable, stable performance of the network, divided into the core transport network, the regional network and access network 3 section. Its basic structure is similar, all