RECOVERY

Decompose the requirements into logical groupings. The groupings can be by subsystem, physical grouping, functional grouping, time ordering, data flow, control flow, or some other criterion. Grouping forced by resources available can be used but should be the last item on the list, not the driving factor. Remember that the next step will be the allocation of requirements into the groupings you have established. In some cases, the groupings may need to be adjusted to make all the requirements fit as in Figure 5-1.

Figure 5-1. Requirements Allocation

A major rule for partitioning is to minimize interfaces across partition elements. These ...

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