International Journal Of Engineering And Computer Science
Cloud computing is a kind of distributed computing over the internet i.e. it can run a program or application on more than one computer at the same time. It is divided into three categories namely: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). Software as a service is a kind of service which provides many benefits to the service consumers. A customized quality model is necessary to evaluate the quality of SaaS cloud service.