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IT533 - SOFTWARE ARCHITECTURES - CLASS 3
MAPPING ESSENTIAL TO PRACTICAL EVENTS

Recall that:

The system must be able to process its events. This means that there must be:

Since these methods must execute in the context of the chosen and imperfect technology, it is quite common to find that one essential event must be mapped into two or more practical events. Additional practical events may also be required just to overcome the imperfections of the technology.

Guidelines for mapping essential to practical events can be developed for several architectural decision layers:

It is not unusual to find that several of these areas apply to one essential event. The following pages address each of these areas in greater detail.


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Prepared by David L. March -- Last Revised on April 19, 1999
COPYRIGHT © 1999 BY DAVID L. MARCH