Cloud Computing Basics
In this video, we discuss about cloud computing basics.
Cloud computing is the availability of computer system resources like processing, storage using some cloud service provider.
For a cloud service to qualify for being a cloud service, it has to satisfy the following criteria given by National Institute of Standards and Technology
(1) On-demand with self service
(2) Services accessible from many devices using different networks
(3) They can scale well
(4) Maintain a pool of services
(5) Services use can be measured
There are many cloud service providers in the market like Google Cloud, Amazon Web Services AWS.
Services provided by cloud are:
Software as a Service (SaaS): Client receives working software as a service from some cloud service provider. Service provider is responsible for installation, licensing and maintenance
Infrastructure as a Service (IaaS): Client receives virtual computing resources by the cloud service provider.
Platform as a Service (PaaS): Client receives complete platform – hardware, OS and necessary tools (IDE) for development. IDE Set of related tools required by programmer to write, test and debug the code. PaaS supports building, testing, deploying, managing and updating the application lifecyle
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