Open-Source ESBs in Action

List of Figures

Chapter 1. The world of open source ESBs

Figure 1.1. The point-to-point model describes an environment where applications are integrated with a unique and custom-made integration solution.

Figure 1.2. An application landscape using an ESB to integrate the applications

Figure 1.3. Here’s a typical example of an application with a three-tier architecture. The application logic is divided into three layers, which can be distributed over multiple physical servers to improve scalability and performance if necessary.

Figure 1.4. Here’s an example where integration between multiple applications is necessary. The call center application needs a single-client view from the ERP, CRM, and COBOL applications.

Figure 1.5. The architecture ...