通过流点击提高视频点播服务器的效率

Proceedings of Sixth International Conference on Computer Communications and Networks Pub Date : 1997-09-22 DOI:10.1109/ICCCN.1997.623313

Steven W. Carter, D. Long

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引用次数: 193

摘要

效率是视频点播(VOD)成功的关键。传统的视频点播服务器效率低下，它们为每个客户端专用一个磁盘流，很快耗尽所有可用的流。然而，已经提出了一些允许客户端共享流的系统。我们提出了一个新的系统，称为流点击，允许客户端贪婪地“点击”数据从任何流的视频点播服务器包含视频数据的客户端可以使用。这是通过在客户端机顶盒上使用一个小缓冲区来实现的，所需的磁盘带宽不到传统系统用于流行视频的磁盘带宽的20%。本文对该系统进行了描述和分析，并与其他提高效率的系统进行了比较。

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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Improving video-on-demand server efficiency through stream tapping

Efficiency is essential for video-on-demand (VOD) to be successful. Conventional VOD servers are inefficient, they dedicate a disk stream for each client, quickly using up all available streams. However, several systems have been proposed that allow clients to share streams. We present a new system called stream tapping that allows a client to greedily "tap" data from any stream on the VOD server containing video data the client can use. This is accomplished through the use of a small buffer on the client set-top box and requires less than 20% of the disk bandwidth used by conventional systems for popular videos. We present a description and analysis of the stream tapping system as well as comparisons between it and other efficiency-improving systems.

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Proceedings of Sixth International Conference on Computer Communications and Networks

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