Property | Measure |
Speed | processed transactions / sec. |
Response time |
|
screen refresh time |
|
Size | k bytes |
Ease of use | training time |
number of help frames |
|
Reliability | mean time to failure |
probability of unavailability |
|
failure rate |
|
Robustness | time to restart after failure |
probability of data corruption after failure |
|
Portability | % of target dependent statements |
number of target systems |
|
4.3.0.0 Requirements separation