December 2001
Intermediate to advanced
400 pages
12h 2m
English
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Chapter 6. Web Behavior Rules of Thumb
Any serious exploration of techniques for Web caching and replication must begin with some understanding of the properties and usage of objects being cached. How big are the objects? How often are they reused? How frequently do they change? All these issues have a profound effect on policies and on the design of caches and mirrors.
Unfortunately, it is very difficult to characterize the Web. First, studying the Web is like chasing a moving target. Results often become obsolete by the time they are published. This makes Web behavior (or, in more "scientific" terms, characterization) a great area for writing papers, but frustrating in terms of lasting results. Second, because of the huge size of the Web, it ...