Cloud services and applications are on the rise. As cloud computing takes over the IT landscape, the way organizations do business is changing. Software as a Service is the best known service model of Cloud Computing. Software as a Service (SaaS) is a software licensing and delivery model in which the software is licensed on a subscription basis and applications are hosted and managed in a service provider’s data centre which is accessed via a browser over an internet connection. The trend began in the 90’s when the software was generally rented via an ‘Application Service Provider’ or ASP.Application Service Providers were the first to use the Internet as an interactive delivery channel for application software and data exchange.
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