Cloud Computing

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The Cloud Computing is famous in recent days. What is mean by Cloud computing

Cloud computing s the delivery of computing as a service rather than a product, whereby shared resources, software, and information are provided to computers and other devices as a utility(like the electricity grid) over a network (typically the Internet).

Cloud computing provides computation, software applications, data access,data management and storage resources without requiring cloud users to know the location and other details of the computing infrastructure. all the services are provided via the internet and cloud symbol is used to represent internet in flowchart and diagrams.

There are three types of services offered in cloud computing
  • Infrastructure as a service
  • Platform as a service
  • Software as a service
Infrastructure as a service
In Infrastructure as a service ,the service provider provides the necessary servers,hardware and networking components to an organisation for a fee.The organisation in turn installs the necessary programs in the service provider's server and uses them.The service provider is responsible for the maintenance of the servers.
In Platform as a service ,the service provider provides the necessary softwares and the tools for creating softwares which are installed in their server to an organisation for a specified amount.The organisation creates the necessary softwares on his platform and uses them.Its like renting in a house which has all the necessary things.
Software as a service
In Software as a service , the applications hosted in the service provider s server are made available to customers via the internet.The provider also interacts with the user through a front end panel.The provider provides the necessary support to the customer.The services range from e-mail to data processing.
Advantages of cloud computing
  • The advantage of this is,the customer after paying the amount can get the service at any time.
  • Also there are no problems of computer crash or server down.it is the responsibility of the service provider.
  • There is no investment cost for computers,servers,software,etc..
  • Amount can be payed according to usage
  • Now a days, the service providers provide the service on a monthly basis. The provider and the customer can cancel the agreement at any time.
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