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Cloud computing has been considered the new computing paradigm that would make the computing a utility. With the widespread acceptance of cloud computing, computing resources including computational power, storage, development platform and applications will be available as services. Hitherto computing resources were considered capital items and customers used to pay for these resources as for any other product. Cloud computing changes all these and consumers will pay only for what is consumed similar to other services or utilities. When cloud computing becomes more popular, different vendors would provide different services at different levels of qualities and prices. Hence customers will have to identify the differences in quality offered by different service providers and need to select the right service provider based on their requirements. A trust management system will match the service providers …