Data networks
Chord: A scalable peer-to-peer lookup service for internet applications
Proceedings of the 2001 conference on Applications, technologies, architectures, and protocols for computer communications
Incentives for Sharing in Peer-to-Peer Networks
WELCOM '01 Proceedings of the Second International Workshop on Electronic Commerce
The Eigentrust algorithm for reputation management in P2P networks
WWW '03 Proceedings of the 12th international conference on World Wide Web
2Fast: Collaborative Downloads in P2P Networks
P2P '06 Proceedings of the Sixth IEEE International Conference on Peer-to-Peer Computing
Incentive and service differentiation in P2P networks: a game theoretic approach
IEEE/ACM Transactions on Networking (TON)
Proceedings of the 1st ACM SIGOPS/EuroSys European Conference on Computer Systems 2006
PowerTrust: A Robust and Scalable Reputation System for Trusted Peer-to-Peer Computing
IEEE Transactions on Parallel and Distributed Systems
TRIBLER: a social-based peer-to-peer system: Research Articles
Concurrency and Computation: Practice & Experience - Recent Advances in Peer-to-Peer Systems and Security (P2P 2006)
A connection management protocol for promoting cooperation in Peer-to-Peer networks
Computer Communications
File Sharing Service over a Generic P2P Simulator
SKG '07 Proceedings of the Third International Conference on Semantics, Knowledge and Grid
Counteracting free riding in Peer-to-Peer networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Dandelion: cooperative content distribution with robust incentives
ATC'07 2007 USENIX Annual Technical Conference on Proceedings of the USENIX Annual Technical Conference
GossipTrust for Fast Reputation Aggregation in Peer-to-Peer Networks
IEEE Transactions on Knowledge and Data Engineering
Free Riding in Peer-to-Peer Networks
IEEE Internet Computing
Small Coalitions: Lightweight Collaboration for Efficient P2P Downloads
NCA '09 Proceedings of the 2009 Eighth IEEE International Symposium on Network Computing and Applications
One-click hosting services: a file-sharing hideout
Proceedings of the 9th ACM SIGCOMM conference on Internet measurement conference
Incentive Mechanisms in P2P Media Streaming Systems
IEEE Internet Computing
Coalition formation in p2p file sharing systems
CAEPIA'05 Proceedings of the 11th Spanish association conference on Current Topics in Artificial Intelligence
Handling free riders in peer-to-peer systems
AP2PC'05 Proceedings of the 4th international conference on Agents and Peer-to-Peer Computing
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Although the proportion of Peer-to-Peer (P2P) traffic has declined in recent years in favor of video streaming and one-click hosting, P2P traffic is predicted to increase in the years to come. Moreover, P2P principles can be applied to improve both, video streaming and one-click hosting, so, P2P is going to continue to be an active research area. This paper presents COINS, a new coalition-formation and incentive mechanism based on game theory. This mechanism encourages cooperative behavior, since contributing peers receive in return a better quality of service, whilst preventing the free-riding problem. To achieve this, we define a ''Responsiveness bonus'' that reflects the overall contribution of the peer to the system, and we use the game theory utility concept to calculate it. Empirical results, obtained through simulations, show the ability of the coalitions to effectively stop free-riding and promote contribution, increasing the performance of the P2P network and obtaining an improvement in download time. In addition, we prove that users that pursue self-interested strategies, and that contribute, benefit the system.