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Journal of the Brazilian Computer Society

Print version ISSN 0104-6500On-line version ISSN 1678-4804

Abstract

MEIRA JR., Wagner; FONSECA, Erik L S.; ALMEIDA, Virgílio A. F.  and  MURTA, Cristina D.. Performance Analysis of WWW Cache Proxy Hierarchies. J. Braz. Comp. Soc. [online]. 1998, vol.5, n.2, pp.00-00. ISSN 1678-4804.  https://doi.org/10.1590/S0104-65001998000300003.

Although caching and the creation of cache server hierarchies has became a popular strategy for reducing user waiting time and network traffic, there is no recipe for determining the best hierarchy configuration given a set of machines and the workload that they have to serve. This paper presents a novel approach for analyzing the performance of cache proxy hierarchies that is based on two metrics: hierarchical hit ratio and cache efficiency. This approach allows users to easily quantify trade-offs among configurations, facilitating the tuning of cache hierarchies. We illustrate our approach by analyzing possible configurations for a cache server hierarchy.

Keywords : Internet; WWW; Caching; Performance analysis.

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