Title Of Paper:
A Review on the Cloud Computing
Author's Name :  Hamid Mehdi, Abdolnabi Ansari Asl
KeyWords:  Review, Cloud Computing, SaaS, PaaS, IaaS.
Pages:  42 -47
Volume: 2
Issue: 9
Year: 2014

Cloud computing is a general term for anything that involves delivering hosted services over the Internet. These services are broadly divided into three categories: Infrastructure as a Service (IaaS), Platform as a Service (PaaS) and Software as a Service (SaaS). The name cloud computing was inspired by the cloud symbol that Is often used to represent the Internet in flowcharts and diagrams. A cloud service has three distinct characteristics that differentiate it from traditional hosting. It is sold on demand, typically by the minute or the hour; it is elastic ,which means that a user can have as much or as little of a service as they want at any given time; and the service is fully managed by the provider. Significant innovations in virtualization and distributed computing, as well as improved access to high-speed Internet and a weak economy, have accelerated interest in cloud computing. This article has been tried to explain cloud computing structure and benefits.

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