城域以太网面向连接业务的发展及挑战

Discussed About the Development and Challenge of Connection-Oriented Service in MEN

本文介绍了城域以太网面向连接业务的发展背景和标准化进程,分析了多种现有城域以太网面向连接技术,包括PWE3、VPLS和PBB-TE。

This paper introduces the background of connection-oriented service in MEN and standards evolvement. Then the main technologies of MEN are described, including PWE3/VPLS and PBB-TE, and PBB-TE is the keystone. In the end, the development and challenges of PBB-TE are discussed.