User's Manual

Chapter 1. WAF Overview 5
Figure 1-4. Basic Configuration
As shown in Figure 1-4, all services follow the n-tier design pattern discussed in Section 1.1 General
Architecture, providing:
• A user interface for interacting with the Framework’s Domain Objects.
• Domain logic.
• The metadata (PDL) required for persistence of the Framework’s Domain Objects.
• Data storage as appropriate.
Services are discussed in more detail in Chapter 4 WAF Component: Services.