Cloud computing is a promising technology in the present day, which offers utility computing services to the end users. The various services (SaaS, PaaS, and IaaS) are accessed through on-demand by the end users. There are several service provider companies that exist in the present market, this cause, a huge competition on pricing in the global market. The service provider uses various pricing models to determine the price, but most favorable pricing is a major challenge in cloud computing that maximize revenue for the provider and increase the quality of services for end users with reasonable pricing charge. The paper focuses on the comparison of various pricing schemes based on features, fairness, merits, demerits and discussion of service model, deployment model and major issues in cloud computing. This helps us to understand which approach should be used for future enhancement in pricing approach in cloud computing.
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