An enhanced n-way exchange-based incentive scheme for p2p file sharing (short paper)

  • Authors:
  • Lingli Deng;Yeping He;Ziyao Xu;Chunyang Yuan

  • Affiliations:
  • Institute of Software, Chinese Academy of Sciences, Beijing, PRC;Institute of Software, Chinese Academy of Sciences, Beijing, PRC;Institute of Software, Chinese Academy of Sciences, Beijing, PRC;Institute of Software, Chinese Academy of Sciences, Beijing, PRC

  • Venue:
  • ICICS'06 Proceedings of the 8th international conference on Information and Communications Security
  • Year:
  • 2006

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Abstract

Cooperation between participants is essential to P2P applications' viability. Due to obscure possibility to match peers' needs and supplies in pairs, the widely used pair-wise exchange-based incentive schemes perform poorly. The N-way exchange-based incentive scheme enlarges the matching possibility by introducing n person exchanges. But some old problems remain and some new ones emerge with the N-way design. In this paper we present an enhanced n-way exchange-based incentive scheme for P2P file sharing systems. By distributing extra tasks to all the peers involved in an n-way exchange, the proposed scheme eliminates prohibitive computation and communication cost on the cooperators, resulting in greater efficiency, effectiveness, and security.