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研讨了同时为多个点播用户服务的轮转服务策略和比例服务策略，并提出了ＶＯＤ（ｖｉｄｅｏ－ｏｎ－ｄｅｍａｎｄ）服务器在不破坏各路点播流实时播放率的前提下，应用这些服务策略的方法．
This paper discusses the strategy of round robin service and ratio service for multiple on-demand subscribers at the same time and puts forward the method of applying these service strategies on the premise that video-on-demand (VOD) server does not destroy the real-time play rate of each on- .