Cloud Computing Literature Review - 1653 Words

Abstract: Resource provisioning is one of the most challenging problem in cloud computing because of the rapid growth in demand of resources and these resources are allocated according to dynamic nature of application. Unconstraint use of these resources can lead to two major problems i.e. under provisioning and over provisioning. So how to implement resource provisioning is a major concern in cloud computing. In this paper, techniques employed in different research papers are systematically analysed to realize their objectives, performance on various QoS attributes and issues related to current cloud computing environment. This research work also highlights previous research work, current status and future direction in resource†¦show more content†¦1: Classification of Resource provisioning Static Provisioning: It is applicable for applications, which have predictable and unchanged resources demand because in this approach resource allocation process is done at only once at the beginning of user’s application. It is not able to handle un-expected changes in resource demand and leads to insufficient utilization of resources. User-self Provisioning: Self-provisioning is the heart of cloud computing and also called self-service. It allows customer to provision their required resources themselves, and use the service without the intervention of service providers themselves or minimal intervention from cloud operator. Dynamic Resource Provisioning: Dynamic provisioning allows allocation and de-allocation of resources to user requirements. It is more applicable in cloud computing when application resource’s demand more likely to change during application execution time. Due to its dynamic nature, it enables scalability and elasticity of system but incurs resource allocation decision overhead on the system. QoS requirements of users are difficult to satisfy due to high variability of users’ needs. To handle this variability, there is need to consider dynamic behaviours in solutions because dynamic behaviour can estimate predict future resources demands which provide better results and improve system performance. Due to the dynamics of user demands, service providers needsShow MoreRelatedThe Cloud Of Cloud Computing1673 Words   |  7 PagesReview of Literature Cloud Computing Definition The topic of the cloud computing industry and security is broad with far reaching intricacies. 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