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Tuesday, February 26, 2013

Cloud Computing

fog Computing
Computer was invented at year 1946, it has developed for 65years. At first, computer is a kind of big machine, and then changed to crushed one, in eighties, private computer and local area net appear, and in nineties, internet was widely used, now network blend in more and more useful. This change makes besmirch computing do out. Now a day, software engineering pays more attentions to the run then machine. Software as a service comes true. completely these are the background for the producing of cloud computing.
Cloud computing is a very new technology. Cloud computing is an Internet-based, public elaboration computing model. The computing resources (include the ability of computing, storage capacity, interactivity, etc.) are dynamic, by virtualization and supported by services. Cloud computing is first proposed by Google, it has a very large scale and it is very safe. Cloud computing is the development of distributed computing, parallel computing and grid computing. In the further, you just need a computer or a mobile phone, all the works can be through through the network services. It is an idea that unites all the powers and used by everyone. There are three service models of cloud computing, al-Qaida-as-a-services (IaaS), platform-as-a-services (PaaS) and software-as-a-services (SaaS).

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IaaS content customer can receive services from the computer infrastructure through the Internet. PaaS means present software R&D platform to the user as a SaaS model; it is an masking of SaaS. SaaS means user do not need to by the software, they can use the software which supporter support on the websites.
After introduce what cloud computing is, lets compare the cloud computing model and the old computing model. Here the old computing means Enterprise election Planning (ERP) systems.
If we want to know the different between cloud computing and ERP system, we should knew what cloud computing is and what ERP system is. It has been described...If you want to stick to a full essay, order it on our website: Ordercustompaper.com



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