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As one of IaaS (Infrastructure-as-a-Service), it is beneficial to arrange virtual machines dynamically to applications based on resource provisioning mechanism. However, it is challenging to apply scheduling scheme to utilize resources efficiently when many tasks require a lot of resources at the same time. Especially, scientific applications, which require large-scale computing resource for long...
Cloud computing is commonly characterized as a three-layer architecture including IaaS, PaaS and SaaS, while service oriented approach is widely considered as a promising software development method. In this paper, we report our early experience of moving traditional service oriented software development to the cloud computing environment. Our primary goal is to provide instant development, instant...
As the number of user-managed devices continues to increase, the need for synchronizing multiple file hierarchies distributed over devices with ad hoc connectivity, is becoming a significant problem. In this paper, we propose a new approach for efficient cloud-based synchronization of an arbitrary number of distributed file system hierarchies. Our approach maintains both the advantages of peer-to-peer...
Heterogeneous computing which includes mixed architectures with multi-core CPUs as well as hardware accelerators such as GPU hardware, is needed to satisfy future computational needs and energy requirements. Cloud computing currently offers users whose computational needs vary greatly over time, a cost-effect way to gain access to resources. While the current form of cloud-based systems is suitable...
Amazon S3-style storage is an attractive option for clouds that provides data access over HTTP/HTTPS. At the same time, parallel file systems are an essential component in privately owned clusters that enable highly scalable dataintensive computing. In this work, we take advantage of both of those storage options, and propose pWalrus, a storage service layer that integrates parallel file systems effectively...
The current end-users who are developing Cloud-based applications are struggling with multiple solutions for application programming interfaces (APIs) coming from different providers. This fact is partially a consequence of the focus of these APIs on the service provider expectations not on the end-user requirements. In the design of a generic API for Cloud application development, the first step...
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