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| Criterion |  Operations Barrier Analysis |  Domain Modeling Context Map |  Domain Modeling Domain Context Map |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | When several contexts need to talk to each other, it makes their relationships and dependencies legible. It helps sort integration pressure and responsibilities across system boundaries. | When a domain model and its associated contexts need to be thought through together, it creates a shared overview. It connects the business view and organizational boundary into a readable whole. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 2-4 h | 1-3 h | 1-3 h | 15-30 min |
Participantsdifferent | 2-6 | 2-8 | 3-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Context Map, Integration Patterns, Boundary Notes | Domain Context Map, Boundary Notes, Ownership Map | Root cause notes, Countermeasures |
Tagsno overlap | Root causeSafetyIncident | Domain-Driven DesignBoundariesStrategy | Domain-Driven DesignContextBoundaries | Root causeIncidentLeanProblem solving |