Cloud Computing is the use of hardware and software to deliver a service over a network (typically the Internet). ... An example of a Cloud Computing provider is Google's Gmail. Gmail users can access files and applications hosted by Google via the internet from any device.Indeed, Netflix is running on Amazon's public cloud (AWS) but Amazon is also a direct competitor of Netflix, since it also launched its own streaming video service. ... However, a closer look at Netflix's structure unveils that it is using the cloud only for computing and storage needs..

Cloud computing is a computing paradigm,where a large pool of systems are connected in private or public networks,to provide dynamically scalable infrastructure for application, data and file storage. With the advent of this technology,the cost of computation, application hosting, content storage and delivery isreduced significantly .Cloud computing is a practical approach to experience direct cost benefits and it has the potential to transform a data center from a capital-intensive set up to a variable priced environment