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Oracle SOA Suite 11g R1 Developer's Guide by Antony Reynolds, Matt Wright

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oBay high-level architecture

Now that we have our blueprint for SOA, let us apply it to the business requirements of oBay. By doing this, we come up with the following high-level architecture:

oBay high-level architecture

We won't go into this in detail at this point (as we do that in the remainder of this section), but it's worth looking at each layer and highlighting a few significant features.

oBay application services

As you will see from the previous diagram, we have broken out our Application Services into three categories, namely, oBay Developed Services, External Services, and Workflow Services. Each of these raises some interesting points, which we examine further later. ...

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