Business Requirements Engineering for Developing Cloud Computing Services

Cloud computing is an emerging paradigm that is becoming rapidly popular with business organisations. The software-as-a-service (SaaS) delivery approach is increasing in demand for yet more cloud-based services. However, this new trend needs to be more systematic with respect to software engineering (design and development) and its related processes. In this case, a valid question is: How do we change our existing user-based requirements capturing methodologies to a suitable service-based business requirements engineering? In this chapter, we present an approach to cloud requirements engineering that is based on business-oriented analysis as this is the key to a successful cloud service. This chapter explores the new requirements engineering process and relevant techniques for capturing cloud-based services. The process and techniques have been explained using a large-scale case study based on Amazon Cloud EC2.

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