Classifying Customer Input
Quality attributes describe how well the
system performs some behaviors or lets
the user take some actions.
The system shall be at least 99.5 percent
available on weekdays between 6:00 a.m. and
midnight local time, and at least 99.95 percent
available on weekdays between 4:00 p.m. and
6:00 p.m. local time. (availability)