摘要
从数据业务量将要超过电话业务量、移 动通信用户数将要超过固定电话用户数这一趋 势出发，引出宽带化是传输节点和业务节点发 展的方向；在向下一代网络发展的过程中，网 络体系结构在分层和分割方面将要发生的演变。
given the trend that the data traffic is going beyond the voice flow and mobile users are outnumbering fixed lines,the broadband approach is playing an increasingly vital role in deciding the future development of transmission and service nodes. While evolvingto the next generation, the system architecture of the telecom network is going to undergo profound changes in terms of layers and segments.
出处
《电信建设》
2001年第2期2-7,共6页
Telecommunications Construction
关键词
电信网
网络体系统
通信网
MPLS
ATM, IP over SDH
IP over WDM
VPN
