A Design and Development of a Near Video-on-Demand Systems
A Design and Development of a Near Video-on-Demand Systems
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DOI：
10.1007/978-3-030-84913-9_24
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发表时间：
2021
期刊：
影响因子：
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通讯作者：
T. Yoshihisa
中科院分区：
文献类型：
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作者：
T. Yoshihisa
近年来，视频点播(Video-on-Demand，VOD)服务受到了极大的关注。在传统的VoD服务中，分发服务器上的处理负载和通信负载随着客户端数量的增加而增加。为了在分发服务器上分配负载，一些研究集中在准视频点播(NVOD)系统上。由于开发实际情况下的NVOD系统很困难，而且目前还没有开放的NVOD系统，所以大多数研究人员使用仿真程序来研究NVOD系统中的等待时间。然而，由于模拟器不能完全反映实际情况，模拟的等待时间可能与实际的等待时间不同。去掉一些微不足道的处理或通信流程的仿真模型针对实际情况给出了不同的评估结果。在这项研究中，我们设计并开发了一个NVOD系统，以考察实际情况下的等待时间和中断时间等性能。
Recently, Video-on-Demand (VoD) services have attracted great attention. In conventional VoD services, the processing load and the communication load on the distribution server increases as the number of the clients increases. To distribute the loads on the distribution server, some researches focus on Near VoD (NVoD) systems. Most of the researchers investigated the waiting time arose in NVoD systems using a simulation program because it is difficult to develop the NVoD systems that work on actual situations and there are no opened NVoD systems. However, the simulated waiting time can be different from the actual waiting time because the simulators cannot completely reflect the actual situation. The simulation model that removes some trivial processing or communication flows gives different evaluation results for the actual situations. In this study, we design and develop an NVoD system to investigate the performances such as the waiting time and the interruption time in actual situations.