InterCloud: Utility-Oriented Federation of Cloud Computing Environments for Scaling of Application Services

Details InterCloud: Utility-Oriented Federation of Cloud Computing Environments for Scaling of Application Services InterCloud: Utility-Oriented Federation of Cloud Computing Environments for Scaling of Application Services

2010-03-20

arxiv.org/abs/1003.3920v1

Proceedings of the 10th International Conference on Algorithms and Architectures for Parallel Processing (ICA3PP 2010, Busan,

Computer Science

Distributed, Parallel, and Cluster Computing

20 pages, 4 figures, 3 tables, conference paper

Scientific paper

Cloud computing providers have setup several data centers at different geographical locations over the Internet in order to optimally serve needs of their customers around the world. However, existing systems do not support mechanisms and policies for dynamically coordinating load distribution among different Cloud-based data centers in order to determine optimal location for hosting application services to achieve reasonable QoS levels. Further, the Cloud computing providers are unable to predict geographic distribution of users consuming their services, hence the load coordination must happen automatically, and distribution of services must change in response to changes in the load. To counter this problem, we advocate creation of federated Cloud computing environment (InterCloud) that facilitates just-in-time, opportunistic, and scalable provisioning of application services, consistently achieving QoS targets under variable workload, resource and network conditions. The overall goal is to create a computing environment that supports dynamic expansion or contraction of capabilities (VMs, services, storage, and database) for handling sudden variations in service demands. This paper presents vision, challenges, and architectural elements of InterCloud for utility-oriented federation of Cloud computing environments. The proposed InterCloud environment supports scaling of applications across multiple vendor clouds. We have validated our approach by conducting a set of rigorous performance evaluation study using the CloudSim toolkit. The results demonstrate that federated Cloud computing model has immense potential as it offers significant performance gains as regards to response time and cost saving under dynamic workload scenarios.

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