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A Basic Study of a File Delivery Scheduling in a Hop by Hop File Delivery System on One Link Model

机译：基于单链路模型的逐跳文件传输系统中文件传输调度的基础研究

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Many content distribution systems such as CDN and P2P file sharing have been developed. In these systems, file-type contents require downloads to be completed before they can be played and they have no value before the download finishes. Therefore, the total download time for this sort of content is very important, and the service period should be reduced to satisfy users. We discuss a hop-by-hop file delivery system suitable for delivering file contents whereby the sum of service periods is reduced by using the request conditions. Moreover, we propose a file delivery scheduling algorithm for a one-link model given that the content request frequency is unknown. The algorithm is based on a local optimal strategy. We performed a characteristic analysis by computer simulation. The results showed that our algorithm performs to reduce the sum of the service periods in the hop-by-hop system effectively when request frequency distribution of each content has a deviation.
机译：已经开发了许多内容分发系统，例如CDN和P2P文件共享。在这些系统中，文件类型的内容要求下载完成才能播放，而文件类型的内容在下载完成之前没有任何价值。因此，此类内容的总下载时间非常重要，应缩短服务时间以使用户满意。我们讨论了一种逐跳文件传递系统，该系统适用于传递文件内容，从而通过使用请求条件来减少服务时间的总和。此外，考虑到内容请求频率未知，我们提出了一种用于单链接模型的文件传递调度算法。该算法基于局部最优策略。我们通过计算机仿真进行了特征分析。结果表明，当每个内容的请求频率分布存在偏差时，我们的算法可以有效地减少逐跳系统中服务周期的总和。

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