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Resource Allocation in Decentralised Computational Systems: An Evolutionary Market-Based Approach

By P R Lewis, P Marrow and X Yao

Abstract

We present a novel market-based method, inspired by retail markets, for resource allocation in fully decentralised systems where agents are self-interested. Our market mechanism requires no coordinating node or complex negotiation. The stability of outcome allocations, those at equilibrium, is analysed and compared for three buyer behaviour models. In order to capture the interaction between self-interested agents, we propose the use of competitive coevolution. Our approach is both highly scalable and may be tuned to achieve specified outcome resource allocations. We demonstrate the behaviour of our approach in simulation, where \textit{evolutionary market agents} act on behalf of service providing nodes to adaptively price their resources over time, in response to market conditions. We show that this leads the system to the predicted outcome resource allocation. Furthermore, the system remains stable in the presence of small changes in price, when buyers' decision functions degrade gracefully

Topics: QA75 Electronic computers. Computer science
Publisher: Springer-Verlag
Year: 2010
OAI identifier: oai:eprints.bham.ac.uk:539

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