Oracle SOA Suite 11g R1 Developer's Guide

Chapter 4. Loosely-coupling Services

In the previous chapter, we explored how we can take functionality in our existing applications and expose them as services. When we do this, we often find that the service interface we create is tightly coupled to the underlying implementation. We can make our architecture more robust by reducing this coupling. By defining our interface around our architecture, rather than around our existing application interfaces, we can reduce coupling. We can also reduce coupling by using a routing service to avoid physical location dependencies. In this chapter, we will explore how service virtualization through the Mediator and the Service Bus of the Oracle SOA Suite can be used to deliver more loosely-coupled services. ...