Application of video-on-demand has changed the relationship between users and cable television, and has expanded the sources of acquiring information for users.
2
未来的WEB将是一套虚拟的信息平台,其中包括在线购物,远程医疗,视频点播,语音聊天等功能。
Future WEB will be a set of virtual information platform, including online shopping, remote medical treatment, vod video, voice chat, and other functions.
It is a two-way asymmetry of services from video server to the client's video data transmission outweigh the opposite direction of vod request information data transmission.