Non-functional Requirement Metrics

• Time
  • Transactions / sec
  • Response time
  • Time to complete an operation
• Space
  • Main memory
  • Auxiliary memory
  • (Cache)
• Usability
  • Training time
  • Number of choices
  • Mouse clicks
• Reliability
  • Mean time to failure
  • Downtime probability
  • Failure rate
  • Availability
• Robustness
  • Time to recovery
  • % of incidents leading to catastrophic failures
  • Data corruption probability after a failure
• Portability
  • % of non-portable code
  • Number of systems where software can run

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 Last change: Monday, December 15, 2003 8:50 pm
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