Exigences non-fonctionnelles
Fiabilité (reliability)
- Maturité (maturity)
- mean time between failures (MTBF)
- mean time to failure (MTTF)
- product fault density
- product stability
- fault density
- test density
- test coverage
- Tolérance aux fautes (fault tolerance)
- disturbances
- vulnerability
- integrity value
- breakdown ratio
- operational/input error detection ratio
- Facilité de récupération (recoverability)
- mean time to repair (MTTR)
- auto recovery ratio
- mean recovery time
- mean breakdown time
- mean restart time
- mean fault life
- Disponibilité (availability)
- full-time availability ratio (MTBF / (MTBF+MTTR))
- relative availability ratio
- availability ratio
- Dégradabilité (degradability)
- backsliding time (simulation de breakdown)
Usabilité(usability)
- Facilité de compréhension (understandability)
- rated understandability
- concept clearness
- availability of demonstration software
- usage clearness
- availability of input/output data items list
- recognisability of modifiable parameters
- Facilité d'apprentissage (learnability)
- average learning time
- usability of manual
- availability of manual
- availability of pre-learning functions
- availability of learning functions
- availability of help functions
- rate of user errors
- time required to learn operational
- effort required to learn one operation
- Facilité d'opération (operability)
- expert judgement on operability
- operability compared with sample
- operability in practice
- set-up installation time
- set-up installation procedure with human interaction
- availability of set-up performance
- ease of set-up
- availability of set-up installation restart
- availability of set-up installation preparation
- availability of set-up installation confirmation
- default value availability ratio
- command uniformity
- consistency of terms in message
- message clearness
- skill level adaptability
- uniformity of screen manipulating operations
- stability of input/output areas on display
- number of keystrokes
- availability of reduced effort for repeated operations
- mean time between human error operations
- ultimate operation time
- time for shutdown operation
- guide function availability ratio
- human error operation cancellability ratio
- ability to emphasise expressions
- response time for user
- display time
- Explicité (explicitness)
- expert judgement on explicitness
- insecure time
- status report ratio
- insecure time in practice
- status of progress report availability ratio
- (customisability)
- configurability ratio
- configurability effort
- (attractivity)
- user judgement on attractivity
- Clarté (clarity)
- function recognition ratio
- function use ratio
- (helpfulness)
- ratio of expounding text
- normalised ratio of expounding text
- (user-friendliness)
- rated user-friendliness
- expert judgement on user-friendliness
- user-friendliness compared to sample
Efficacité (efficiency)
- (time behaviour)
- batch turnaround time
- batch capacity
- processing time
- processing capacity
- average internal transaction time
- maximum internal transaction time
- turnaround time
- response time
- CPU elapsed time
- CPU execution time
- I/O processing time
- waiting time
- network processing time
- terminal processing time
- throughput
- number of processed transactions
- (ressource behaviour)
- communication, interface memory, external memory, processor occupancy, real memory, virtual memory, file, network occupancy
- workingset size
- CPU, main memory, I/O channel, file, network, I/O device, terminal utilisation
Maintenabilité (maintainability)
- Facilité d'analyse (analysability)
- fault position recognisition ratio
- mean failure analysis time
- Facilité de changement (changeability)
- modification effort per unit volume
- correction effort per defect
- mean fault correction, mean failture treatment, mean fault correction work time
- mean revise work time per changed line of source code
- fullfilment degree of maintenance document
- Stabilité (stability)
- ratio of new fault at revision
- Testabilité (testability)
- test effort per unit volume
- number of test cases per unit volume
- mean user's work time to verify the fault correction
- mean work time to test the fault correction
- test work time per changed source code line
- Facilité à gérer (manageability)
- control effort ratio
- Facilité de réutilisation (reusability)
- ratio reusable parts
- ratio reused parts
Portabilité (portability)
- Facilité d'adaptation (adaptability)
- effort for portability
- application ratio of hardware environment
- application ratio of OS environment
- application ratio of data environment
- application ratio of operation environment
- Facilité d'installation (installability)
- installation effort
- parameter change ratio
- recompile program ratio
- file change ratio
- output list change ratio
- Conformité (conformance)
- standard conformance ratio
- Facilité de remplacement (replaceability)
- function change ratio
- source code change ratio
Dernière modification: 2005-04-19 22:51:03 par Yan Morin
Hébergé par ProgYSM