接入网与V5接口

Access Network and V5 Interface

本文在简要介绍了接入网的基本概念及其对业务节点接口要求的基础上，着重介绍了接入网的关键之一——Ｖ５接口的功能体系及各层的功能。

Based on the fundamental concept of access network and requiements to service node interface, one of the key part of the accesses network, the function hierarchy and multilayer functions for the V5 interface are presented in detail in this paper.