PeerVote: A Decentralized Voting Mechanism for P2P Collaboration Systems

  • Authors:

  • Thomas Bocek;Dalibor Peric;Fabio Hecht;David Hausheer;Burkhard Stiller

  • Affiliations:

  • Department of Informatics IFI, University of Zurich, Switzerland;Department of Informatics IFI, University of Zurich, Switzerland;Department of Informatics IFI, University of Zurich, Switzerland;Department of Informatics IFI, University of Zurich, Switzerland;Department of Informatics IFI, University of Zurich, Switzerland

  • Venue:
  • AIMS '09 Proceedings of the 3rd International Conference on Autonomous Infrastructure, Management and Security: Scalability of Networks and Services
  • Year:
  • 2009

  • PeerCollaboration

    AIMS '09 Proceedings of the 3rd International Conference on Autonomous Infrastructure, Management and Security: Scalability of Networks and Services

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Abstract

Peer-to-peer (P2P) systems achieve scalability, fault tolerance, and load balancing with a low-cost infrastructure, characteristics from which collaboration systems, such as Wikipedia, can benefit. A major challenge in P2P collaboration systems is to maintain article quality after each modification in the presence of malicious peers. A way of achieving this goal is to allow modifications to take effect only if a majority of previous editors approve the changes through voting. The absence of a central authority makes voting a challenge in P2P systems. This paper proposes the fully decentralized voting mechanism PeerVote, which enables users to vote on modifications in articles in a P2P collaboration system. Simulations and experiments show the scalability and robustness of PeerVote, even in the presence of malicious peers.