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Variação Dinâmica da QoS oferecida por Caches para Web

Roberto Ferreira BrandãoRicardo de Oliveira Anido

Several factors can influence on the web cache performance. Because that, a replacement policy which was initially chosen due to its high performance can suffer of performance problems due to its incapacity of self-adapting to the new performance characteristics required by the clients. Thus, it is necessary that the cache space management strategy be capable of dynamically adapt itself to respond to new requirements from its clients. This paper presents the Dynamic Space Manager (GDE), whose quality in predicting files future usefulness is good as the best existent replacement policies. It also makes possible to the cache to offer different Qualities of Service (QoS) to web servers and specific clients.

http://www.lbd.dcc.ufmg.br:8080/colecoes/sbrc/2003/017.pdf

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