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On the performance of content distribution networks

Written by: Dakshi Agrawal, James Giles, and Dinesh Verma.

Citation: Proceedings of International Symposium on Performance Evaluation of Computer and Telecommunication Systems, 2001.

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Abstract:
This paper presents an analysis of the performance of content distribution networks. The effectiveness of a content distribution network depends on many factors, including the type of hosted application, cache-hit rate, average round-trip time between clients and servers, and the architecture of the content distribution network. Using a linear model for the client-perceived response time, we describe the effect of some of these factors and provide guidelines for evaluation of content distribution networks. In particular, we show that to reduce response time of a content distribution network compared to a single server system, a high cache-hit rate and careful placement of surrogates is required.
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