多业务IP城域网的技术选择与实现

目前国内运营商均已完成了电信级IP承载网络的建设，IP城域网作为多业务承载的启始与终结点成为运营商的关注重点。以海南铁通城域网优化建设为例，详细阐述城域网路由化、网络扁平化、质量差异化、业务多样化的技术选择与实现。

Technique Selection and Realization of Multi pie Service IP MAN

So far, the domestic carriers have built up their carrier-class IP over networks, and IP MANs have attracted the attention of carriers as the originating and terminating points for bearing muhiple - services. This article, taking the example of optimization project of Hainan CTT＇s IP MAN, describes the technical solutions for creating routing-based MANs, flat networks, differentiated quality and multiple services, and the implementation of those solutions.