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Entendendo os Efeitos da Localidade de Referência em Hierarquias de Caches na Web

Fabrício BenevenutoFernando DuarteVirgilio Almeida

This work presents an extensive evaluation of the filtering effect that occur in proxy servers organized as an hierarchy of caches. Using a recently proposed model called ADF (Aggregation, Disaggregation and Filtering) and entropy as a metric for Web traffic characterization, we present an evaluation of the effects that the locality of reference of request streams suffers when passing through a hierarchy of caches. Moreover, we consider the use of average entropy for the comparison of reference locality among streams and we present the necessary information so that entropy can be dynamically calculated by a proxy server.

http://www.lbd.dcc.ufmg.br:8080/colecoes/sbrc/2005/030.pdf

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