摘要
列举了县级广电数据网的具体要求，作为技术选型的依据；同时分析比较了广电数据网3种代表性的技术模型（IP over ATM，IP over SDH，IP over Optical）的优缺点，建议ATM作为县级广电数据网的主干网。
This article lists practical requirements of county level Broadcast ＆TV data network as the base of technology selection, analyzes and compares three kinds of typical technology models （ IP over ATM, IP over SDH, IP over Optical）, and even advises ATM to be the main group network of county level Broadcast ＆ TV Data network.
作者
李秀环
LI Xiu-huan （Broadcast Television Bureau of Funing County, Hebei Funing 066300, China）
出处
《中国有线电视》
2007年第3期292-295,共4页
China Digital Cable TV
关键词
县级
数据网
技术选型
County level
Data network
technology selection
