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Load Sharing in Peer-to-Peer Networks using Dynamic Replication

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5 Author(s)
S. Rajasekhar ; RMIT University, Melbourne 3000, Australia ; B. Rong ; K. Y. Lai ; I. Khalil
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The peer-to-peer (P2P) architecture provides support for the next generation of information sharing applications. A difficult challenge faced by these systems in the presence of non-uniform data distribution and dynamic network conditions is load sharing. This paper addresses the problem of load sharing in P2P networks across heterogeneous super-peers. We propose two load sharing techniques that use data replication to improve access performance. In the first technique, called periodic push-based replication (PPR), super-peers periodically send replicas of the most frequently accessed files to remote super-peers. This effectively reduces the hop count to fetch these files. The second technique, called on-demand replication (ODR), performs replication based on access frequency. By performing replication on-demand, ODR provides adaptability to changes in access behavior. Extensive testing have been conducted to study the performance of the proposed techniques. The results obtained demonstrate significant performance improvements through replication

Published in:

20th International Conference on Advanced Information Networking and Applications - Volume 1 (AINA'06)  (Volume:1 )

Date of Conference:

18-20 April 2006