Abstract

Nowadays cloud computing environments play an important role in our daily lives and day by day our dependence on them will grow. Delivering on demand, elastic and cost effective services to the consumers is only part of the benefits that a cloud system provides. However, despite all its benefits this innovative information system contains a variety of research challenges from different points of view. As a matter of fact, the variety of technologies used in a cloud computing system leads to various existing challenges that show the complexity of this environment. In this work first we have introduced a cloud architecture and its specifications with the benefits and drawbacks, and after that the challenges that researchers face in this context. To be able to deliver services in a manner that both the provider and the consumer are satisfied, it is essential to consider the issues mentioned in this paper.

Keywords: Cloud computing, data, challenge, service.


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