摘要
简要介绍了当前城域传送网的3种典型的网络模型,对3种网络模型所适合的业务进行了分析,并分析了北京铁通城域传送网的现状,提出了下一阶段的发展方向。
The article introduced three typical network models of metro transport network. The article also analyzed the services applicable to the three networks and the application status of the metro transport network in CTT Beijing Branch, The further development of metropolitan area transport network was prospected.
出处
《铁道通信信号》
2007年第9期52-53,共2页
Railway Signalling & Communication
关键词
光网络
优化
结构
模型
业务
安全
Optical network
Optimization
Structure
Model
Service
Security
