The Cost of Patching vs. Overhauling: Evaluating True ROI in IBM i Application Modernization
Most IBM i systems today run applications built decades ago. They still process orders, manage inventory, and close the books without failure. That reliability is real, and it’s why the platform has lasted. It also creates a difficult question for leadership. Do you keep fixing and extending the existing system as needs come up, or do you rebuild it properly? The numbers pull in both …










