在IPTV(Internet protocol TV)业务行业应用推广过程中,遇到多个管理/运营实体,如酒店、学校,他们需要获得IPTV平台的部分资源和大部分功能来实现适合他们的专门应用,VCDN(虚拟内容分发网络)技术作为IPTV系统中的关键技术,在这项应用实现中起到关键作用。介绍了视频VCDN技术及其特点,详细描述了3种资源分配模式,结合酒店行业IPTV系统介绍了VCDN的应用。 In IPTV (Internet Protocol TV) business application promotion process, encountered a number of management / operational entities, such as hotels, schools, they need access to some of IPTV platform resources and most of the features to achieve their specific applications, VCDN () Virtual Content Delivery Network) technology, as a key technology in IPTV systems, plays a key role in this application implementation. Introduces the video VCDN technology and its characteristics, describes in detail the three resource allocation modes, and introduces the application of VCDN in combination with the hotel industry IPTV system.