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Hot-ICE ’ 11 : Workshop on Hot Topics in Management of Internet , Cloud , and Enterprise Networks and Services

Current cloud computing offers on-demand computing at fixed prices; however, these fixed pricing models lead to underutilization of the cloud. Some cloud providers have begun to adopt spot-pricing models: a spot market for each class of virtual machines. The number of physical hosts allocated to each market is fixed. Qi Zhang claims that static allocation of physical resources to each market restricts the flexibility of each market and reduces the maximum achievable revenue. To this end, Qi proposed a technique to dynamically adjust the supply of physical resources to reach market, with the sole goal of maximizing the amount of revenue received by the cloud provider.