For several years, it has been a goal of mine to write a book on enterprise architecture . While there are many good architectural books in circulation, they are either limited in scope or lack sufficient detail to be actionable. Early in my career, I found it difficult to translate the principles of these books into a logical flow of events that detail the purpose of the activities, the consumers of the outputs, and finally the control mechanisms for the enterprise. It is my intention to make these clear and easily referenced in this book