A Survival Analysis of Application Life Spans based on Enterprise Architecture Models

Modern enterprises face the challenge to survive in an ever changing envi-ronment. One commonly accepted means to address this challenge and further enhance survivability is enterprise architecture (EA) management, which provides a holistic model-based approach to business/IT alignment. Thereby, the decisions taken in the con-text of EA management are based on accurate documentation of IT systems and business processes. The maintenance of such documentation causes high investments for enter-prises, especially in the absence of information on the change rates of different systems and processes....