摘要： WWW上的缓存技术被认为是改进Web性能的有效技术之一。总观了缓存系统所要解决的问题，针对需要解决的问题，总结了目前为止所提出的各种缓存策略，最后概括了理想的WWW缓存系统应该具备的性能指标。

关键词: 缓存, Web性能, 访问延迟

Abstract: In order to improve Web performance, Web caching is recognized to be one of the effective techniques. This paper gives a brief survey of previous works on schemes to solve the problems of Web caching, and finally describes some desirable characteristics.

中图分类号: 

• TP393.03