Friday, 14 September 2012

Essay Example On Cloud Computing

Did you know that chances are; you have often benefited from cloud computing? The first time you come across the name cloud computing, it is inevitable for you to be baffled, or imagine a system of computing that operates from the clouds! Nevertheless, cloud computing is easy to understand and it is not operated from the clouds. Cloud computing is the use of computing resources which are hardware and software that are delivered as a service over the internet. If asked to write a cloud computing essay example, it is only by defining cloud computing that you embark on your journey to computing essay example writing.   
So why the name cloud? Cloud computing originated from the use of a cloud-shaped symbol as a description for complex infrastructure.
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Some of the barriers to cloud computing are the business models such as software as a service (SaaS) and Platform as a service (PaaS) are which are challenging. Customers lock-in is another challenge since customers want open APIs.
Cloud computing is coupled with some of the following advantages. To begin with, cloud computing enhances virtualization hence allowing servers and storage devices to be shared and utilized. It is also cost effective. Again, cloud computing improves security subsequent to centralization of data. Cloud computing applications are also easier to maintain since they can be accessed from different places. Besides, it improves reliability in cases of usage of multiple redundant sites.
It consists of four models namely, public, community, private and hybrid. For public cloud computing, storage and other resources are made available through a service provider. On the other hand, the hybrid cloud consists of two or more clouds that are bound together with unique entitles. Private cloud consists of infrastructures that are operated from only one organization. Community cloud shares communications between institutions from a specific community with common apprehensions.   

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