Towards Trust in Desktop Grid Systems
CCGRID '10 Proceedings of the 2010 10th IEEE/ACM International Conference on Cluster, Cloud and Grid Computing
A formal credit-based incentive model for sharing computer resources
EuroPar'10 Proceedings of the 16th international Euro-Par conference on Parallel processing: Part I
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Resource sharing in Peer-to-Peer environments with selfish participants suffers from the free-riding phenomenon unless the environment provides appropriate countermeasures. We present a concept for a distributed Desktop Grid which promotes fairness and inhibits free-riding. It contains a shared-history reputation mechanism designed for use in dynamic Peer-to-Peer systems. In simulations based on real-world network delay and workload information, we show that our concept offers a considerable speedup over non-distributed computation while effectively thwarting free-riding. Moreover, we assess the benefits of self-organizing super-peer overlays for Desktop Grids.