光网络的发展与展望  

Development and Expectation of Optical Network

作　　者：韦乐平[1] 

机构地区：[1]中国电信集团公司

出　　处：《现代电信科技》2005年第9期2-7,共6页Modern Science & Technology of Telecommunications

摘　　要：首先简要介绍了光网络的基本概念,然后阐述了光传送网的主要优势,接下来分别论述了IP业务量对传送网结构的影响、从点到点WDM向光联网演进的必要性和演进的步骤以及全光光交叉连接设备的现状与发展,最后阐述了光传送网络向ASON演进的必然趋势。After introducing the basic conception of optical network and the major advantages of optical transport network, this article discusses the influences of IP traffic to the structure of transport network, the necessiW and processes for the evolution from point-to- point WDM to optical networking, and the sLltus quo and development of all optical crossconnector respectively. Lastly, it presents the inevitability, for the evolution from optical transport network to ASON.

关 键 词：光网络 光交叉连接 ASON 光网络 光传送网络 光交叉连接设备 展望 ASON 网结构 业务量 演进 光联网 

分 类 号：TN929.1[电子电信—通信与信息系统] TN915.63[电子电信—信息与通信工程]