This book provides a proven approach to EAI, offering examples from actual practice, and exploring the steps to follow for its day-to-day implementation. Originally designed for companies undergoing significant merger and acquisition activity, Integration Models have evolved into a working toolkit for bridging the gap between business and technical models. In clear terms, this book provides a catalog of templates, discussing how they address various types of integration problems. Accompanying case studies and examples from actual practice demonstrate how to apply integration models in a range of different EAI settings. Examples are taken from major corporations in diverse industries including: telecommunication, transportation, financial services, employment services, insurance, Internet services, and wireless services.