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Table 2 Performability framework

From: The art of software systems development: Reliability, Availability, Maintainability, Performance (RAMP)

  Reliability Availability Maintenance
Performance • Failure rate (λ) • Recovery time • Maintenance rate (μ)
• Fault detection, isolation, containment time • Recovery success rate (ρ) • Maintenance success rate
• Downtime
Throughput • Failure rate (λ) • Downtime • Maintenance rate (μ)
• # NINES • Maintenance method
Speed/speedup • Redundancy mode • Recovery mode • Maintenance mode
Bandwidth • Failure rate, • Recovery success rate (ρ)  
  • Redundancy mode   
  • Detection