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Abstract
By sharing resources with each other, different cloud providers in a cloud federation can exploit their diversity in resource configuration and operational cost so as to improve service performance. They should consider the strategy of resource pricing, job scheduling and server provisioning altogether to maximize their own interests. On the other hand, they need to efficiently trade the resources with a suitable mechanism, typically auction, so as to guarantee the participants’ profits. Nevertheless, in consideration of the heterogeneous execution times of jobs, both the pricing strategy and trading mechanism should be delicately designed, which is obviously a challenging task. In this paper, we firstly propose a truthful, individual-rational and ex-post budget-balanced auction mechanism for selecting pairs of buyer and seller winners to trade virtual machines for different durations. Then, to maximize the individual profits, we propose a dynamic resource bidding scheme and a job scheduling strategy based on our importance model of jobs with heterogeneous execution times and resource requirements. The simulation results show that, compared with existing ones, our design can better handle varieties of both execution time and resource requirement and make the participants obtain more individual profits.
Highlights
Cloud computing is nowadays the predominant paradigm for large scale information systems, especially Internet applications, more and more clouds are established around the world
To improve cloud resource utility, cloud federation [1] has emerged as a new technology/paradigm to enable resource sharing among different clouds owned by different cloud service providers
Auction is an efficient mechanism widely adopted in resource trading mechanism for cloud computing environments [5, 6], especially cloud federations [7,8,9]
Summary
Cloud computing is nowadays the predominant paradigm for large scale information systems, especially Internet applications, more and more clouds are established around the world. To improve cloud resource utility, cloud federation [1] has emerged as a new technology/paradigm to enable resource sharing among different clouds owned by different cloud service providers. By sharing resources with each other, cloud providers in the federation can exploit their difference in resources and diversity in user demands, so as to improve service quality and save resource investment. Auction is an efficient mechanism widely adopted in resource trading mechanism for cloud computing environments [5, 6], especially cloud federations [7,8,9]. In a cloud resource auction, cloud providers offer resources to cloud users.
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