Economic Justification of SOA
Jan Saat, Stefan Discher · Alexandria (UniSG) (University of St.Gallen) · 2009
Focus:Business case mainly covers IT-related measures like IT infrastructure and organization Key Drivers:"Reuse of services" as the most relevant driver for savings Focus on IT efficiency gains like reduced software development cost and reduced software development time Conclusion: Missing connection between business and IT -SOA benefit hard to communicate Study results show two different approaches of economic justification of SOA Business-Driven Approach: Focus: Enhancing IT-centric approach in showing proven quantifiable benefits on IT and business side Key Drivers: As a result, the business case was extended beyond "just" SOA -> business process platform business case Comprises IT, business process and strategic benefits Conclusion: Strong involvement of LOBs -expected value of SOA clear on business and IT sideAll SAP customers in the study turn out to pursue the business-driven approach