Reengineering Legacy Software Systems is an invaluable resource for information technology managers and software engineers who are faced with the problem of having to update their existing software systems without spending a lot of money. It shows how to evaluate systems, identify the problems, and fix them without starting over from scratch and focuses on building from the positive aspects of the system. This book provides a framework for keeping application systems synchronized with business strategies and technology changes. It addresses the shortfalls of traditional methodologies and provides an alternative approach that includes object technology, CASE technology, and expert systems. This methodology creates an architecture for continuous reengineering.