5.4 Behavioral models
Behavioral models are models of the dynamic behavior of a system as it is executing. They show what happens or what is supposed to happen when a system responds to a stimulus from its environment. These stimuli may be either data or events:
Data becomes available that has to be processed by the system. The availability of the data triggers the processing.
An event happens that triggers system processing. Events may have associated data, although this is not always the case.
Many business systems are data-processing systems that are primarily driven by data. They are controlled by the data input to the system, with relatively little external event processing. Their processing involves a sequence of actions on that data and ...
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