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IPTPS '01 Revised Papers from the First International Workshop on Peer-to-Peer Systems
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IDCS'12 Proceedings of the 5th international conference on Internet and Distributed Computing Systems
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This paper jointly addresses dynamic replica placement and traffic redirection to the best replica in Content Delivery Networks (CDNs). Our solution is fully distributed and localized and trade-offs the costs paid by the CDN provider (e.g., the number of allocated replicas, frequency of replicas additions and removals) with the quality of the content access service as perceived by the final user. Our simulations experiments show that the proposed scheme results into a number of replicas which is only slightly higher than the minimum required to be able to satisfy all users requests, thus keeping the replicas at a good level of utilization.