Visualizing the solution
Before we walk down the top-down description of this solution, it is important to revisit Chapter 7, Sales Fulfilment Application for JungleSea Inc. for the different tiers of capabilities or services laid out by IBM SOA Reference Architecture:
Process Services provides the capability to define an end-to-end business processes and automation of all processes in the system for order handling, human activities, fallout/error handling, notifications, process visualization, monitoring, process data mediation, and storage. This layer is built using IBM's WebSphere Process Server.
Business Services provide the coarse-grained business functions that have a meaningful significance to JungleSea Inc.
Access Services provide the bridging capabilities between the Business Services interfaces and the end application interface through the ESB. This layer will also provide the capability to intercept and modify messages that are passed between the Business Services and the end JungleSea...