Web的出现开启了互联网的媒体化过程。流媒体的出现使得网络媒体不仅在功能上包容了传统媒体 ,而且具有互动、个性化等独特的优势。网络媒体要成为一种大众媒体 ,必须借助于内容投递网来解决其可扩展性和实时传输能力问题。网络媒体将在与电视媒体的竞争及合作中壮大、发展 The advent of the Web has opened up the Internet’s media process. The emergence of streaming media makes the network media not only functionally contain the traditional media, but also has the unique advantages of interaction and personalization. To become a mass media network media must rely on the content delivery network to address its scalability and real-time transmission capabilities. The online media will grow and develop in the competition and cooperation with the television media