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Each mediation component performs a specific function in the end to end mediation scenario. The components are not aware of their sequence which allows us to reuse them in many different scenarios. This also allows us to change the sequence of mediation components without making modifications to the components. A standards based canonical message model establishes a common set of semantics. Each parent canonical object represents some part of the business such as a customer, a purchase order, or an inventory transaction.
Note: The upward pointing arrow in Figure 3-1 on page 38 between Select the SOA scenario and Fit-Gap Analysis is a special case where the user already owns the software representative of an SOA scenario, and wants to know how to leverage the SOA capabilities of the software. As is the case in this book, the user knows the SOA scenario and will look at what generic use cases are possible in the SOA scenario selection table (see Table 3-1 on page 40). 3. Select the SOA scenario. The business analyst or architect can use the SOA scenario selection table (see Table 3-1 on page 40), which lists the generic uses cases and the SOA scenario which enables the use case.
Fm The ESB, as either a product or an architecture pattern, solves some of the connectivity problem but not all of it. We require a full suite of tools to support the full life cycle (model, assemble, deploy, and manage) and a robust architecture framework is necessary in addition to the tools to deploy a robust integration solution. The SOA Foundation provides the life cycle capabilities while service-oriented integration provides the architecture framework. One without the other does not return the most value for the investment.