CLOUD COMPUTING
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CLOUD COMPUTING
It is to provide computing and storage capacity to the user on a pay per use basis.
*Pictures is taken from Wikipedia
Cloud Computing Types
v Infrastructure as a service - The basic cloud service models is IAS, in which cloud provide computer as a virtual machine and other resources to the user. The virtual machines are run as a guest by the hypervisor. The other resources contain file-based storage, firewall, software, and VLANs.
Example - Amazon cloud formation, Google computer engine.
v Platform as a service - The resources which can be shared through this model are programming language execution environment, web server, database and operating system.
Example - Amazon elastic beanstalk, Google app engine.
v Software as a service - cloud provider runs and installs application software in the cloud network and the user can use it on runtime basis, its nature is dynamic.
Examples - Google apps, Microsoft Office 365
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