城域传送网SDN化的演进分析

Analysis of the SDN Evolution of Metro Transport Network

描述了城域传送网中SDN化的演进。首先介绍了SDN技术的体系架构,其次介绍了SDN应用于现有传送网络的驱动力和切入点,最后对下阶段SDN技术在城域传送网的应用发展进行展望。

The SDN evolution of metro transport network was described. Firstly, the core ideas and system architecture of the SDN technology were introduced. Secondly, the driving force and the breakthrough point of SDN applied to the existing transport network were introduced. Finally, the development of SDN technology in the application of metro transport network was discussed.