MBSE with Genesys 120222

Concerns and Risks: Key Aspects of the Metamodel

refined by (refines)

Document

documents (documented by)

refined by (refines)

Requirement

generates (generated by)

causes (caused by)

Color Code

Requirement Entity

Functional Entity

Physical Entity

Interface Entity

Risk

Concern

Verification Entity

Other Entity

Concern and Risk entities may also be related to Components , Functions , et al.

185

Understanding Concerns

• During capture and analysis, problems will be identified • Unclear or incomplete requirements • Over- or under-specified requirements • Contradictory requirements • Requirement for unlikely system performance • Capture these problems using the Concern class • Trace to the source • Reference the analysis • Map to the solution • Critical aspect of your design history A Concern identifies a problem (as well as its resolution) with key entities in a system design or specification

186

MBSE with GENESYS