The development of the Web and its infrastructure has posed new challenges and opportunities for software vendors, particularly those who are increasing their focus on selling software applications such as service. Intuitively, progress in the IT and business environment has led to the evolution of cloud computing which has allowed IT resources to be fragmented and accessed over the Internet as services rather than products to end users (Ashta & Patel, 2010). In 1999 a consortium of software engineering researchers from Durham Keele University and UMIST, known as the Pennie Group, predicted that the future of software lay not just in the development of a new architectural style based on building forms, but in the changing the way features are delivered to users (Gupta & Varshapriya, 2014). This shift in software delivery paradigm has led to the emergence of a new software business known as Software as a Service (SaaS) (Ashta & Patel,