International Journal of Computer Science and Network Solutions (IJCSNS)
Cloud services have revolutionized the dynamics of IT industry. Cloud computing provides scalable and virtualized resources as services over the internet. Cloud offers three types of services: Software-as-a-Service (SaaS), Platform-as-a-Service (PaaS), and Infrastructure-as-a-Service (IaaS). This investigation encapsulates all these services from industry's point of view, identifies various cloud paradigms promising to deliver these services, and discusses pros & cons of these services. This write-up contributes to the knowledge of cloud services by reviewing the benefits and barriers in adopting cloud services, and also predicts the future of cloud services.