18z/TPF and WebSphere Application Server in a Service Oriented Architecture
Figure 2-1 Example service without modularization
A much better implementation is shown in Figure 2-2. Now the shipping service is made up of
several smaller services and provides modularization. Because of the modularization, it is
now possible to reuse service components such as
Address Validation or Verify Credit Card
in other services.
Figure 2-2 Example service composed of smaller service modules
Many modern development environments provide easy-to-use graphical editors that allow you
to connect individual services together by mouse click and create more complex ser ...
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