Implementing SOA: Total Architecture in Practice

Chapter 29. Process Monitors and Managers

In the previous chapter, you saw that every transaction has a transaction coordinator—a participant whose job it is to manage the performance of activities by the transaction participants. This transaction coordinator is a specialized example of a process manager, a participant that coordinates the execution of activities. Generally, the manager also monitors the execution of the activities as well, determining whether they are executing as directed. A related role is that of the process monitor, a participant that monitors the execution of activities and compares the execution against an expected plan but does not manage the execution.

Regardless of whether the participant is managing or monitoring ...