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With the advent of social media, Internet of Things (IoT), widespread use of richer media formats such as video, and generally increased use of mobile devices, volume of online data has seen a rapid increase in recent years. To cope with this data explosion, businesses and cloud providers are scrambling to lower the cost of storing data without sacrificing the quality of their service using space...
In enterprise data centers, reliable performance models on storage devices are desirable for efficient storage management and optimization. However, many cloud environments consist of heterogeneous storage devices, e.g., a mixture of commodity disks, where accurate performance models are of particular challenge to attain. In this paper, we propose a lightweight queueing-based storage performance modeling...
Amazon introduced Spot Instance Market to utilize the idle resources of Amazon Elastic Compute Cloud (EC2) more efficiently. The price of a spot instance changes dynamically according to the current supply and demand for cloud resources. Users can bid for a spot instance and the job request will be granted if the current spot price falls below the bid, whereas the job will be terminated if the spot...
This paper investigates a flexible elastic computing scheme for a class of two-layered Networked Control Systems (NCSs). A high performance cluster architecture with virtual properties that hide the complexity of distributed physical infrastructures is presented. The architecture is support for cloud computing to dynamically deliver heterogeneous computational environments and partition the cluster...
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