International Journal of Advanced Research in Computer Science and Software Engineering (IJARCSSE)
Cloud computing possesses service models which give users access to cloud. The models are Software-as-a-Service (SaaS), Platform-as-a-Service (PaaS) and Infrastructure-as-a-Service (IaaS). These technologies give users several advantages: cost effectiveness, efficient resource utilization, collaboration, disaster recovery and high performance. This paper is to evaluating two of the cloud computing service models: SaaS and PaaS. This paper employed positivist stance and quantitative analysis. Survey was carried out in form of an online questionnaire. This paper also investigates usability of the service models depending on occupational status of individuals. Features used in differentiating SaaS and PaaS were: description, characteristics, security, advantages and disadvantages.