With Enterprise Architecture Planning (EAP), companies can now build integrated data systems that provide fast and efficient access to data from all areas throughout the organization. In the second edition of this book, considered the bible of EAP, authors Steven Spewak and Stefan DeVocht provide a step-by-step approach to creating an integrated data model to support a company's business processes. This book is endorsed by John A. Zachman, father of the Zachman Framework approach to IS reeingineering, who also wrote the foreword. The updated edition contains new techniques, examples and case studies detailing the most recent developments in EAP.