Requirement
Pattern
Automatic Logoff
Description This pattern expresses the need of dropping off inactive connections under a time-based policy
Comments ----
Pattern goal Maintain the security of the system
Author GESSI-SSI
Sources (0..*)
  • Requirement books from SSI
  • Specialized literature
Keywords (0..*) ----
Dependencies (0..*) ----
Requirement
Form
Automatic Logoff
Description This form expresses the general need of logging off automatically. Extensions exist to state the inactivity time for disconnection, and also for requiring this time to be customizable
Comments Application of extensions: Logoff Time, Customizable Logoff Time: may be applied at most once each.
Version date 2009-03-20 00:00:00.0
Author GESSI-SSI
Sources (0..*)
  • Requirement books from SSI
  • Specialized literature
Fixed PartQuestion text ----
Form text The system shall drop off inactive connections
Extended Part Customizable Logoff TimeQuestion text ----
Form text The inactivity time before automatic logoff shall be customizable
Extended Part Logoff TimeQuestion text ----
Form text The system shall logoff automatically sessions that are inactive since more than %amountOfTime% %timeUnit%
ParameterMetric
timeUnit: is a unit of time corresponding to the units of frequency for loggin offTimeUnitType: TimeUnitType = Domain(Days, Hours, Minutes, Seconds, Miliseconds, ...)
amountOfTime: is a number that indicates time durationAmountOfUnitType: AmountOfUnitType = Integer