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Peer-to-peer systems based on Distributed Hash Tables face tradeoffs between the performance (latency or availability) and their desired functionality. In fact, lookup latency is affected by the mismatch problem between the overlay hop and the underlying topology. So, applications built on top of such systems can be impacted. A core problem in peer-to-peer systems is the distribution of items to be...
The paper deals with the study of the optimisation of the distribution of the download time from a particular video on demand system. This VOD system is based on grid delivery network which is an hybrid architecture based on P2P and grid computing concepts. In this system, the data are shrunk into fixed size blocks which must be replicated on hosts to decrease the total download time. We propose an...
In this paper, we examine the problem of minimizing the variance of the download time in a particular Video on Demand System. This VOD system is based on a Grid Delivery Network which is an hybrid architecture based on P2P and Grid Computing concepts. In this system, videos are divided into blocks and replicated on hosts to decrease the average response time. The purpose of the paper is to study the...
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