A Resource that is provided over the internet, for WUWP(What you Use, What you Pay) is called as Cloud Service. Cloud Service can be again classified as three types.
- PaaS - Platform as a Service.
- SaaS - Software as a Service.
- IaaS - Infrastructure as a Service.
PaaS :- Platform as a Service are Operating Systems OS, ex- Windows, Linux etc... Platform made available to the users on demand basis. Only Pay for how much resource you use.
SaaS :- Software as a Service are software available as service. ex- Adobe,RDS databases etc... Software made available to the users on demand basis. Only Pay for how much resource you use.
IaaS :- Infrastructure as a Service are Infrastructure available as a service. ex - hard disk, servers, networking etc... Infrastructure made available to the users on demand basis. Only Pay for how much resource you use.
Major Cloud Providers are Amazon Web Services, Google App Engine, Microsoft Azure.
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