摘要
本文通过市场需求和网络融合发展趋势,分析了分组传送网产生和发展的原因。阐释了分组传送网的关键技术,包括PTN架构、业务、OAM、QoS、生存性技术、同步技术、控制技术、交换技术等。描述了分组传送设备的类型和功能特性及在网络中的应用。文中还对分组传送网有关标准尤其是MPLS-TP相关标准的发展情况进行了介绍。通过对需求、技术、应用、标准几个方面情况,可以理解分组传送网的发展趋势。
The origination and evolution of the packet transport networks are analyzed, from the perspective of market requirements and network convergence. PTN related techniques, e.g. architecture, services, OAM, QoS, survivability, synchronization, switching and control are described. The functional aspects and the applications of PTN equipment are also introduced. The evolution trend of the PTN can be understood from the development aspects of requirements, techniques, applications and standards.
关键词
分组传送网
标准
技术
应用
需求
PTN
standards
technologies
applications
demands
