摘要
简要介绍了面向集团客户专线承载的SDH/PTN城域传送网架构和集团客户专线类别;详细阐述了SDH/PTN承载业务直连专线及承载点对点、点对多点传输电路租用专线典型组网结构;详细论述了PTN承载专线技术优势和发展方向。
It briefly describes group client-oriented SDH/PTN metropolitan area transport network architecture and group client private line category, elaborates the typical networking structure of SDH/PTN load business direct line and load point to point and point to multipoint transmission circuit on a leased private line. It discusses the technical advantages on PTN carrying private line and development direction.
出处
《邮电设计技术》
2014年第5期72-76,共5页
Designing Techniques of Posts and Telecommunications
