Enhancing the p2p protocols to support advanced multi-keyword queries

  • Authors:
  • Samir Ghamri-Doudane;Nazim Agoulmine

  • Affiliations:
  • LIP6-CNRS, University of Paris 6, France, Paris, France;LRSM, University of Evry, France

  • Venue:
  • NETWORKING'06 Proceedings of the 5th international IFIP-TC6 conference on Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communications Systems
  • Year:
  • 2006

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Abstract

Recently, Peer-to-Peer has become a popular paradigm for building distributed systems, aiming to provide resource localization and sharing in large-scale networks. However, advanced searching for resources remains an open issue. The flooding technique used by some Peer-to-Peer systems is expensive in bandwidth usage, and it shows a serious lack in scalability. Also, more efficient systems based on distributed hash tables (DHT) lack in query expressiveness and flexibility. This paper addresses this issue by discussing existing solutions, and proposing a novel approach to support advanced multi-keyword queries in the context of Peer-to-Peer systems. It extends the existing, and widely established, DHT-based localization frameworks. This new approach can substantially reduce the bandwidth consumption and improve the load balancing over the network.