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通过ATM网络提供视频点播业务（VOD）是目前各相关设备生产厂商和视频服务提供商所关注的一个热点问题，也是各个国际标准化组织研究的中心问题。本文就目前已达成共识的piece－wise方案进行了讨论，并具体给出了其实现的框囹，一些相关的问题在本文中也进行了必要的讨论。
Providing video on demand service (VOD) over ATM network is a hot issue that all the relevant equipment manufacturers and video service providers are concerned about at the moment, and is also a central issue of various International Organization for Standardization research. This article discusses the currently agreed piece-wise plan, and gives its concrete framework. Some related issues are also discussed in this paper.