Part 4. Event stream processing, integration, and mediation
In the previous five chapters we focused on the services aspect of SOA. We described how services can be easily developed using the Service Component Architecture and its implementation using Apache Tuscany. Then, using JBoss jBPM, we illustrated how such services can be combined to create entire business processes that can be modeled and executed, representing a new form of application development. In part 4, we'll switch gears a bit and discuss the role of the enterprise service bus (ESB), an important enabling technology for SOA. An ESB can act as middleware "glue" for integrating with systems, applications, and protocols that weren't necessarily designed with the precepts of SOA in ...
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