大容量宽带设备演进的探讨

Discussion on Large Capacity Broadband Equipment Evolution

从介绍用户接入技术的演进入手,详细阐述了IPoE系统及其组成,从终端支持、报文开销、组播复制、用户冗余等方面对IPoE和PPPoE系统进行了对比,并描述了BNG设备的设计考虑,最后提出了业务承载的建议。

Beginning with the evolution of subscriber access technology, it describes IPoE system and its components in detail, compares IPoE and PPPoE system around terminal support, message overhead, multicasting copy, subscriber redundancy. It also gives design consideration on BNG equipment, finally presents suggestions on service carrying.