Figure 4-51 A high-level objective model for case f1
Figure 4-52 on page 178 illustrates a candidate solution model for interaction
case f2. This uses a proxy-stub pattern to provide structure, separation of
concerns, and abstraction for the integration solution. The .NET proxy presents a
business interface (iCalculator) to an adjacent business tier artifact. The Java
stub in the WebSphere application presents the client to the service’s EJB quality
of service (QOS) decorator, which in turn delegates to the Java service
implementation.
For completeness, this model also illustrates both a fat client ...
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