视频点播服务器的需求分页

Proceedings of the International Conference on Multimedia Computing and Systems Pub Date : 1995-05-15 DOI:10.1109/MMCS.1995.484932

Banu Özden, R. Rastogi, A. Silberschatz, Clifford E. Martin

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引用次数: 35

摘要

随着存储和网络技术的最新进步，现在可以提供视频点播(VOD)服务，从而消除了当今广播有线电视系统固有的不灵活性。VOD服务器是一种计算机系统，它以压缩数字形式存储视频，并支持将压缩视频数据的不同部分并发传输给不同的观看者。我们提出了一种新颖的请求分页算法，在有效利用有限的缓冲空间和消除磁盘带宽限制的同时提供速率保证。因此，我们的方案增加了可以并发服务的客户机数量。一个基于我们的方案的VOD服务器，目前正在AT&T实施。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Demand paging for video-on-demand servers

With recent advances in storage and network technology it is now possible to provide video on demand (VOD) service, thereby eliminating the inflexibility inherent in today's broadcast cable systems. A VOD server is a computer system that stores videos in compressed digital form and provides support for the concurrent transmission of different portions of the compressed video data to the various viewers. We present novel demand paging algorithms that provide rate guarantees while utilizing the limited buffer space effectively and eliminating the disk bandwidth limitation. Our schemes, therefore, increase the number of clients that can be serviced concurrently. A VOD server, which is based on our schemes, is currently being implemented at AT&T.

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Proceedings of the International Conference on Multimedia Computing and Systems

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