Métricas externas

• Analizabilidad

• Audit trail capability

• Diagnostic function support

• Failure analysis capability

• Failure analysis efficiency

• Status monitoring capability

• Cambiabilidad

• Change cycle efficiency

• Change implementation elapse time

• Modification complexity

• Parameterised modifiability

• Software change control capability

• Estabilidad

• Change success ratio

• Modification impact localisation (Emerging failure after change) 

• Testabilidad

• Availability  of built-in test function

• Re-test efficiency

• Test restartability

• Maintainability compliance