Consistency Maintenance In Peer-to-Peer File Sharing Networks

  • Authors:
  • Jiang Lan;Xiaotao Liu;Prashant Shenoy;Krithi Ramamritham

  • Affiliations:
  • -;-;-;-

  • Venue:
  • WIAPP '03 Proceedings of the The Third IEEE Workshop on Internet Applications
  • Year:
  • 2003

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Abstract

While the current generation of peer-to-peer networksshare predominantly static files, future peer-to-peer networkswill support sharing of files that are modified frequentlyby their users. In this paper, we present techniquesto maintain temporal consistency of replicated files in apeer-to-peer network. We consider the Gnutella P2P networkand present techniques for maintaining consistencyin Gnutella even when peers containing replicated files dynamicallyjoin and leave the network. An experimentalevaluation of our techniques shows that: (i) a hybrid approachbased on push and pull achieves high fidelity inhighly dynamic P2P networks and (ii) the run-time overheadsof our techniques are small, making them a practicalchoice for P2P networks.