Robust incentive techniques for peer-to-peer networks
EC '04 Proceedings of the 5th ACM conference on Electronic commerce
An approach for QoS-aware service composition based on genetic algorithms
GECCO '05 Proceedings of the 7th annual conference on Genetic and evolutionary computation
Reputation-based pricing of P2P services
Proceedings of the 2005 ACM SIGCOMM workshop on Economics of peer-to-peer systems
Peer-to-Peer resource discovery in Grids: Models and systems
Future Generation Computer Systems
Hidden information and actions in multi-hop wireless ad hoc networks
Proceedings of the 9th ACM international symposium on Mobile ad hoc networking and computing
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As service-oriented systems emerge toward a fully decentralized collaborative environment, resource aggregation becomes one of the important features to study. In this paper we investigate the effectiveness of resource aggregation in a peer-to-peer architecture with autonomous nodes that can either supply or consume services. We consider various setups concerning the initial endowment of the system with resources, the load with service requests, the intrinsic capability of the system for resource discovery and the subjective valuation of peers concerning the delivered services. We show that for high loads of the system with service requests, the performance of the resource supply does not degrade in the long run and for low loads the resource discovery method combined with the partner selection algorithm succeeds to deliver a better performance.