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虽然Cache技术是一种传统的技术,但是在应用到网络新环境时,就需要在原有的技术上进行改进。文中详细地介绍整个网络中各个节点(用户端、代理端、服务器端)对用户事件的网络行为,说明在WWW上使用Cache技术的原因和介绍了如何在网络的不同节点上应用该技术的问题,并比较了现有的主要的有关网络缓存的各种不同协议。还介绍了这一技术中两个重要的问题:缓存替换策略和如何使缓存中的动态对象和原始的Web服务器中相应的对象保持一致。
Although Cache technology is a traditional technology, but when applied to the new network environment, you need to make improvements in the original technology. This paper describes in detail the network behavior of each node (client, agent, server) on user events in the entire network, explains the reasons for using Cache technology on the WWW and how to apply the technology on different nodes in the network And compares the various major existing protocols for network caching. Two important issues in this technology are also covered: caching replacement strategies and how to align the dynamic objects in the cache with the corresponding objects in the original web server.