July 2017
Intermediate to advanced
414 pages
11h 18m
English
The application has many logical functional groupings or subsystems. Further, each subsystem has many components organized as depicted in the following diagram:

Subsystems interact with each other through remote EJB calls, using the IIOP protocol. The transactional boundaries are spanned across subsystems. Components within the subsystems communicate with each other through local EJB component interfaces. In theory, since subsystems use remote EJB endpoints, they could run on different, physically separated application servers. This was one of the design goals.
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