State Of The Art : Cloud Computing

2048 Words9 Pages
3 State of the Art Cloud computing was founded on already-existing computing technologies, such as distributed computing (Clusters, Grids), Internet technologies (Web Services, Service Oriented Architectures, Web 2.0), virtualization and systems management (autonomic computing, data centre automation) [11]. Specifically, with the advent of Cloud computing, the benefits of these technologies have been combined and further improved. Cloud basically presents a suitable environment for convenient, on-demand network access to a pool of configurable computing resources that can be mutually accessed and provisioned with insignificant administration effort or service provider interaction [1]. The optimal provisioning of these compute resources to meet certain predefined performance criteria is a complex problem which has attracted much research attention [12][13]. This problem comprise the steps involved in the allocation of suitable computing resources to tasks with the aim of optimizing certain objectives. Some objective functions include but not limited to; maximizing task throughput, minimizing the time of task completion and maximizing the utilization of resources. Research outputs in the grid computing paradigm [14][15] introduced the “unconventional” model of resource provisioning, where resources are provisioned at a price, usually set based on supply and demand. Out of this model, novel objective functions were considered, such as executing tasks at minimum cost, and
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