These four techniques are the home server taking charge of sending/accepting & storing data, various information terminals & Audio Visual machineres, home network system, access network connected homes & informatian service providers.

• 这四种关键性技术是掌管接收/发送和存储数据的家庭服务器,各种各样的信息终端和AV机器,家庭网络系统,连接家庭和信息服务提供者的访问网络。