Checklist for System Scalability Acceptance Criteria
The scalability of a system is defined as its ability to effectively provide acceptable performance as the following quantities increase:
a) Geographic area of coverage of a system,
b) System size in terms of the number of elements in the system,
c) Number of users, and
d) Volume of workload per unit time.
A system may work as expected in limited-use scenarios but may not scale up very well.
The following questions must be addressed in specifying the scalability acceptance criteria: