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Web Caching and Prefetching with Cyclic Model Analysis of Web Object Sequences

机译:Web对象序列循环模型分析的Web缓存和预取

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摘要

Web caching is the process in which web objects are temporarily stored to reduce bandwidth consumption, server load and latency. Web prefetching is the process of fetching web objects from the server before they are actually requested by the client. Integration of caching and prefetching can be very beneficial as the two techniques can support each other. By implementing this integrated scheme in a client-side proxy, the perceived latency can be reduced for not one but many users. In this paper, we propose a new integrated caching and prefetching policy called the WCP-CMA which makes use of a profit-driven caching policy that takes into account the periodicity and cyclic behaviour of the web access sequences for deriving prefetching rules. Our experimental results have shown a 10%-15% increase in the hit ratios of the cached objects and 5%-10% decrease in delay compared to the existing scheme
机译:Web缓存是临时存储Web对象以减少带宽消耗,服务器负载和延迟的过程。 Web预取是在客户端实际请求Web对象之前从服务器获取Web对象的过程。缓存和预取的集成可能非常有益,因为这两种技术可以相互支持。通过在客户端代理中实现此集成方案,可以减少一个用户而不是许多用户的感知延迟。在本文中,我们提出了一种称为WCP-CMA的新的集成缓存和预取策略,该策略利用了以利润为驱动力的缓存策略,该策略考虑了Web访问序列的周期性和周期性行为,以得出预取规则。我们的实验结果表明,与现有方案相比,缓存对象的命中率提高了10%-15%,延迟降低了5%-10%

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