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File popularity characterisation.

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>03/2000
<mark>Journal</mark>ACM SIGMETRICS Performance Evaluation Review
Issue number4
Number of pages6
Pages (from-to)45-50
<mark>Original language</mark>English


A key determinant of the effectiveness of a web cache is the locality of the files requested. In the past this has been difficult to model, as locality appears to be cache specific. We show that locality can be characterised with a single parameter, which primarily varies with the topological position of the cache, and is largely independent of the culture of the cache users. Accurate cache models can therefore be built without any need to consider cultural effects that are hard to predict.

Bibliographic note

© ACM, 2000.This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution. The definitive version was published in ACM SIGMETRICS Performance Evaluation Review, {VOL27, ISSUE 4, (March 2000)} http://doi.acm.org/10.1145/346000.346014