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Cloud Computing

Autor:   •  September 10, 2012  •  Research Paper  •  8,813 Words (36 Pages)  •  1,021 Views

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Author 


Somya Matta


Abstract: Cloud computing is a significant advancement in the delivery of information technology and services. By providing on demand access to a shared pool of computing resources in a self-service, dynamically scaled and metered manner. In a cloud computing architecture, we divide system into two sections: the front end and the back end connecting through a network, usually the Internet.The front end includes the client's computer and the application required to access the cloud computing system. On the back end of the system are the various computers, servers and data storage systems that create the "cloud" of computing services.A central server administers the system, monitoring traffic and client demands to ensure everything runs smoothly. It follows a set of rules called protocols and uses a special kind of software called middleware. Middleware allows networked computers to communicate with each other. It has following deployment models:Private cloud: used as private data centers for single organization, public cloud: for use by multiple organization on a shared basis, hybrid cloud:both private and public clouds for a single application, community cloud: used by group of related organizations. The three service models are 1.Software as a Service (SaaS): Applications delivered as a service to end-users typically through a Web browser. 2.Platform as a Service (PaaS): An application development and deployment platform delivered as a service. 3.Infrastructure as a Service (IaaS):Computer servers, storage, and networking hardware delivered as a service. Advantages:cuts hardware costs, easy implementation, improve resource utilization, improved quality of service, anywhere access. Its disadvantages: security of stored data, privacy concerns, reliability and availability. Examples: blackberry messenger services, gmail etc.

Index Terms: cloud, end-user, client, server, network, protocol, internet,


Pranali Talsania



The boom in cloud computing over the past few years has led to a situation that is common to


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