|• Who/what interacts with system?
• What devices should be supported for the interaction?
• What are the users' expected response times? And what are the consequences of a system slowdown?
• What is the consequence of a system failure?
• How much downtime can be tolerated in the event of an outage?
• How sensitive is the information handled by the system?
• How important is security? What are the consequences of a breach?
• What types of loads are anticipated on the system? Are there major seasonal peaks?
• What kind of plans for expansion and growth does the business have? And how will they affect the demands from the system?