The catallaxy approach for decentralized economic-based allocation in grid resource and service markets

Efficient resource allocation in dynamic large-scale environments is one of the cha l-lenges of Grids. In centralized economic-based allocation approaches, the user re-quests can be matched to the fastest, cheapest or most available resource. This ap-proach, however, shows limitations in scalability and in dynamic environments. In this paper, we explore a decentralized economic approach for resource allocation in Grid markets based on the Catallaxy paradigm. Catallactic agents discover selling nodes in the resource and service Grid markets, and negotiate with each other maxi-mizing their utility by following a strategy. By means of simulations, we evaluate the behavior of the approach, its resource allocation efficiency and its performance with different demand loads in a number of Grid density and dynamic environments. Our results indicate that while the decentralized economic approach based on Catallaxy applied to Grid markets shows similar efficiency to a centralized system, its decen-tralized operation provides greater advantages: scalability to demand and offer, and robustness in dynamic environments