Copyright DB Netz AG, licensed under CC-BY SA 3.0 DE (see full text in CC-BY-SA-3.0-DE)
ARCH.910 Determine the system requirements
- ARCH.911 Identify the system's contribution to the operational needs
- ARCH.035 Identify constraints on the system solution
- ARCH.043 Define set of potential system actors
- ARCH.049 Define set of potential system capabilities/missions
- ARCH.039 Define set of potential system and actor functions
- ARCH.036 Identify all alternative system boundaries
- ARCH.042 Select system boundary (or set of variants)
- ARCH.912 Finalise the system context and constraints
- ARCH.048 Identify system implementation constraints
- ARCH.045 Define complete set of system-level actors
- ARCH.119 Define consolidated set of system capabilities/missions
- ARCH.041 Transfer or trace upper level model elements to system level
- ARCH.044 Define requirements from non-actor stakeholders
- ARCH.051 Align the system context with collaboration projects
- ARCH.913 Analyse the system capabilities to determine detailed system needs
- ARCH.179 Complete the definition of the system capability of interest
- ARCH.088 Define system functions and functional exchanges
- ARCH.052 Create initial system exchange scenarios
- ARCH.053 Create initial system functional chains
- ARCH.054 Model data flowing between system functions
- ARCH.055 Model system and actor states
- ARCH.158 Model external system interface
- ARCH.058 Define measures of performance
- ARCH.915 Assess & mitigate the risks of system failure
- ARCH.916 Incorporate risk control measures in the system needs
- ARCH.917 Finalise the system requirements
- ARCH.152 Consolidate system functionality
- ARCH.157 Consolidate system data
- ARCH.081 Update constraints on system solution
- ARCH.109 Consolidate traceability between model elements at system level and model elements at operational level
- ARCH.082 Trade off system requirements and constraints
- ARCH.083 Agree the system requirements with stakeholders