A Review on Adaptive Web Caching Technique

Traditional caches see a fixed-size page; a Web cache, on the other hand, sees complete objects (text files, images, or video clips), which vary considerably in size. In addition, a traditional cache deals with addresses, while a Web cache can potentially deduce more contextual information from its objects. Web objects are predominantly read-only, taking implementation of cache coherence easier. The response times of Web accesses are in the order of seconds (versus milliseconds for system access), which allows for more elaborate caching algorithms. Finally, a Web cache encounters more dimensions of dependence than are taken into account by traditional methods. Primary cache replacement algorithms consider arrival time as the only one factor as the basis of their functionality. They disregar