EPON光纤保护倒换的研究  

The mechanism of uninterrupted EPON protection

作　　者：郭莹[1] 

机构地区：[1]武汉邮电科学研究院,武汉430074

出　　处：《光通信技术》2011年第3期12-15,共4页Optical Communication Technology

摘　　要：以太网无源光网络(EPON)正在不断进步与发展,在实际生活中的运用范围也在不断扩大,而关于它的保护方式也随之成为重点关注对象之一。介绍了EPON的光纤保护倒换机制的4种类型及其保护倒换的方式、当前各种保护倒换类型的发展和研究近况。详细说明了当前类型b保护的最新发展,1:N保护方式的实现方法和目前需要解决的问题。Ethernet passive optical network （EPON） is constant progress and development, its use in real life are expanding the scope, but also on its way to protect one of the objects will become a focus of attention. This article describes the EPON optical protection switching mechanism 4 types, and their way of protection switching, protection switching current of various types of development and recent research. Details of the current type b protection of the latest development,1 ：N protection mode of implementation and its current problems to be solved.

关 键 词：无源光网络 网络保护 保护倒换 

分 类 号：TN929.11[电子电信—通信与信息系统]