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The Shared Assignment Game and Applications to Pricing in Cloud Computing

Gideon Blocq, Yoram Bachrach, and Peter Key

Abstract

We propose an extension to the Assignment Game in which sellers provide indivisible heterogeneous goods to their buyers. Each good takes up various amounts of resources and each seller has capacity constraints with respect to the total amount of resources it can provide. Hence, the total amount of goods that the seller can provide is dependent on the set of buyers. In this model, we fifirst demonstrate that the core is empty and proceed to suggest a fair allocation of the resulting utility of an optimal match, using the Shapley value. We then examine scenarios where the worth and resource demands of each good are private information of selfish buyers and consider ways in which they can manipulate the system. We show that such Shapley value manipulations are bounded in terms of the gain an agent can achieve by using them. Finally, since this model can be of use when considering elastic resource allocation and utility sharing in cloud computing domains, we provide simulation results which show our approach maximizes welfare and, when used as a pricing scheme, can also increase the revenue of the cloud server providers over what is achieved with the widely-used fixed pricing scheme.

Details

Publication typeInproceedings
Published inAAMAS
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