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RelaxDHT : A Churn Resilient for Peer-to-Peer Distributed Hash-Tables

Sergey Legtchenko 1 Sébastien Monnet 1 Pierre Sens 1 Gilles Muller 1 
1 Regal - Large-Scale Distributed Systems and Applications
LIP6 - Laboratoire d'Informatique de Paris 6, Inria Paris-Rocquencourt
Abstract : DHT-based P2P systems provide a fault-tolerant and scalable means to store data blocks in a fully distributed way. Unfortunately, recent studies have shown that if connection/disconnection frequency is too high, data blocks may be lost. This is true for most of the current DHT-based systems’ implementations. To deal with this problem, it is necessary to build more efficient replication and maintenance mechanisms. In this article, we study the effect of churn on PAST, an existing DHT-based P2P system. We then propose solutions to enhance churn tolerance and evaluate them through discrete event simulation.
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Sergey Legtchenko, Sébastien Monnet, Pierre Sens, Gilles Muller. RelaxDHT : A Churn Resilient for Peer-to-Peer Distributed Hash-Tables. ACM Transactions on Autonomous and Adaptive Systems, Association for Computing Machinery (ACM), 2012, 7 (2), pp.28. ⟨10.1145/2240166.2240178⟩. ⟨hal-01197419⟩



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