List of Figures

 

Chapter 1. SOA essentials

Figure 1.1. Illustration of a SOA environment. Notice the relationships between services and business processes.

Figure 1.2. WSDL usage of XML Schema for defining the specification of an operation

Figure 1.3. Example of how point-to-point connections greatly complicate service integration

Figure 1.4. Example of mediator or proxy-based service endpoint environment

Figure 1.5. A composite service is added to an existing catalog of services.

Figure 1.6. SOA technology platform. In chapter 2, we begin identifying applicable technologies for many of these areas.

Figure 1.7. A centralized decision service can be used by other services and applications.

Figure 1.8. Example of an ESB-centric approach for enterprise architecture

Figure 1.9. Example of an LDAP repository used as a registry. Notice that it’s not just used for users, but also for products and even applications.

Figure 1.10. Using a façade/wrapper pattern for exposing service functionality

Figure 1.11. The role of web services mediator in bridging between protocols

Figure 1.12. SOA maturity model. Not all levels are required for every environment

Chapter 2. Defining the Open SOA Platform

Figure 2.1. Open SOA Platform technologies. Those surrounded in double-width lines represent what’s covered in this book.

Figure 2.2. The components of an EDM, and its relationship to API services and rule engine

Figure 2.3. Central role of an ESB within the enterprise