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Virtual Interval Caching Scheme for Interactive Multimedia Streaming Workload

机译:交互式多媒体流工作负载的虚拟间隔缓存方案

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摘要

We carefully believe that server workload for interactive multimedia service exhibits different characteristics from legacy application, e.g. ftp server, web server, ASP server and etc., and that there are greater chance of improvement with better understanding of streaming workload. In this work, we present a novel buffer management algorithm for interactive multimedia streaming workload. We carefully examine the workload traces obtained from several streaming servers in service. The analysis results show that most users exhibit non-sequential access pattern using VCR-like operations such as jump backward and jump forward. We exploit the workload characteristics of the VCR-like operation and develop a buffer caching algorithm called Virtual Interval Caching scheme. Simulation based experiment shows that the proposed buffer management scheme yields better performance than the legacy schemes.
机译:我们深信,交互式多媒体服务的服务器工作负载与传统应用程序具有不同的特性,例如ftp服务器,web服务器,ASP服务器等,并且通过更好地了解流工作负载,有更大的改进机会。在这项工作中,我们提出了一种用于交互式多媒体流工作负载的新型缓冲区管理算法。我们仔细检查从服务中的多个流服务器获得的工作负载跟踪。分析结果表明,大多数用户使用类似VCR的操作(如向后跳和向前跳)表现出非顺序访问模式。我们利用类似VCR的操作的工作负载特征,并开发了一种称为虚拟间隔缓存方案的缓冲区缓存算法。基于仿真的实验表明,所提出的缓冲区管理方案比传统方案具有更好的性能。

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