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讨论了宽带接入网的进展 ,论述了宽带接入网及其用户 -网络接口 (U NI)、业务节点接口 (SNI)和电信网管理(Q3)接口 ,并总结了宽带接入网的主要功能以及宽带业务节点接口 (VB5 )标准的主要原则。还例举了多媒体接入体系的实例及其最新发展。
The progress of broadband access network is discussed. The broadband access network and its user - network interface (U NI), service node interface (SNI) and telecommunication network management (Q3) interface are discussed. The main points of broadband access network Function and the main principle of broadband business node interface (VB5) standard. Also cite examples of multimedia access system and its latest development.