As a practical matter, it is typically useful to have some concept of the volume of the requirements for a particular software product. This number is useful in evaluating the size of a change in requirements, in estimating the cost of a development or maintenance task, or simply in using it as the denominator in other measurements (see Table 9.1 Table of Measuring Requirements).
|
Property |
Measure |
|---|---|
|
Speed |
Processed transactions/ second |
|
Size |
K Bytes |
|
Ease of use |
Training time |
|
Reliability |
Mean time to failure |
|
Robustness |
Time to restart after failure |
|
Portability |
Percentage of target dependent statements |
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