SOA Security

List of Figures

Chapter 1. SOA requires new approaches to security

Figure 1.1. In a typical enterprise, applications are built for end users and the mechanisms for applications to interact with each other are ad hoc: database, RPC, files, and so on.

Figure 1.2. Instead of ad hoc mechanisms for reuse, in SOA, applications provide services for other applications. Some applications may be only consumers. Services are brought together and managed by an ESB.

Figure 1.3. A single server application may have several independent functionalities to offer to the clients, but has only one security module. All the security decisions are taken by the application only and are centralized.

Figure 1.4. Here are three server applications, including one from ...