Cloud Computing is a paradigm shift that provides computing over the internet. A Cloud Computing service consists of highly optimized virtual data center that provides various software, hardware and information resources for use when needed organization can simply connect to the the cloud and use the available resources on a pay-per-use basis which helps companies avoid capital expenditure on additional premises infrastructure resources and instantly scale up or scale down according to business requirements (Fazil Sabr, 2012).
Five essential characteristics :
Five essential characteristics :
- On demand self-service
- Broad network access
- Resource pooling
- Rapid elasticity
- Measured service
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