IPTPS '01 Revised Papers from the First International Workshop on Peer-to-Peer Systems
A Game Theoretic Framework for Incentives in P2P Systems
P2P '03 Proceedings of the 3rd International Conference on Peer-to-Peer Computing
Measurement, modeling, and analysis of a peer-to-peer file-sharing workload
SOSP '03 Proceedings of the nineteenth ACM symposium on Operating systems principles
Maze: A Social Peer-to-Peer Network
CEC-EAST '04 Proceedings of the E-Commerce Technology for Dynamic E-Business, IEEE International Conference
Influences on cooperation in BitTorrent communities
Proceedings of the 2005 ACM SIGCOMM workshop on Economics of peer-to-peer systems
On the topologies formed by selfish peers
Proceedings of the twenty-fifth annual ACM symposium on Principles of distributed computing
Measurement study and application of social network in the Maze P2P file-sharing system
InfoScale '06 Proceedings of the 1st international conference on Scalable information systems
A connection management protocol for promoting cooperation in Peer-to-Peer networks
Computer Communications
Counteracting free riding in Peer-to-Peer networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Evaluation and optimization of a peer-to-peer video-on-demand system
Journal of Systems Architecture: the EUROMICRO Journal
Trusted Reputation Management Service for Peer-to-Peer Collaboration
OTM '08 Proceedings of the OTM 2008 Confederated International Conferences, CoopIS, DOA, GADA, IS, and ODBASE 2008. Part II on On the Move to Meaningful Internet Systems
Towards a Cluster Based Incentive Mechanism for P2P Networks
CCGRID '09 Proceedings of the 2009 9th IEEE/ACM International Symposium on Cluster Computing and the Grid
An experimental study of peer behavior in a pure P2P network
Journal of Systems and Software
Towards a more accurate availability evaluation in peer-to-peer storage systems
International Journal of High Performance Computing and Networking
Design space analysis for modeling incentives in distributed systems
Proceedings of the ACM SIGCOMM 2011 conference
A point-based inventive system to prevent free-riding on P2P network environments
ICCSA'11 Proceedings of the 2011 international conference on Computational science and its applications - Volume Part IV
Sybil defenses via social networks: a tutorial and survey
ACM SIGACT News
An enhanced n-way exchange-based incentive scheme for p2p file sharing (short paper)
ICICS'06 Proceedings of the 8th international conference on Information and Communications Security
Analyzing peer-to-peer traffic’s impact on large scale networks
ICCS'06 Proceedings of the 6th international conference on Computational Science - Volume Part IV
SybilControl: practical sybil defense with computational puzzles
Proceedings of the seventh ACM workshop on Scalable trusted computing
Capitalizing on free riders in p2p networks
Euro-Par'07 Proceedings of the 13th international Euro-Par conference on Parallel Processing
An effective approach based on rough set and topic cluster to build peer communities
ISPA'07 Proceedings of the 5th international conference on Parallel and Distributed Processing and Applications
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Maze is a P2P file-sharing system with an active and large user base. It is developed, deployed and operated by an academic research team. As such, it offers ample opportunities to conduct experiments to under-stand user behavior. Embedded in Maze is a set of incentive policies designed to encourage sharing and contribution. This paper presents an in-depth analysis of the effectiveness of the incentive policies and how users react to them. We found that in general the policies have been effective. But they also encourage the more selfish users to cheat by whitewashing their ac-counts as a variation of Sybil attack. We examine multiple factors that may contribute to the free-riding behavior. Our conclusions are that upload speed, NAT and amount of shared files are not the problems, and selfish behavior is demonstrated more by shorter online time. Since free-riders are also avid consumers of popular files, we suggest a two-pronged approach to reduce free-riding further: mechanisms to direct queries to sources that would otherwise be free-riders, and policies to encourage users make their resources more available.