Enterprise Service Bus provides an architectural overview of the ESB, showing how it can bring the task of integration of enterprise applications and services built on J2EE, .NET, C/C++, and other legacy environments into the reach of the everyday IT professional, using an event-driven Service-Oriented Architecture. Through the study of real-world use cases drawn from several industries using ESB, the book clearly and coherently outlines the benefits of moving toward this integration strategy.