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| Criterion |  Domain Modeling Bounded Context Canvas |  Operations 5 Whys |  Operations Kepner-Tregoe |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | When a business context is still loosely outlined, it shapes language, responsibility, and integration space. It clarifies what belongs together and where a boundary needs to hold. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 1-3 h | 15-30 min | 2-8 h | 2-4 h |
Participantsdifferent | 3-8 | 2-6 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Context Canvas, Glossary, Integration Notes | Root cause notes, Countermeasures | Problem Analysis, Decision Analysis, Risk Plan | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | Domain-Driven DesignBoundariesModeling | Root causeIncidentLeanProblem solving | Problem solvingRoot causeDecisionOperations | Root causeSafetyIncident |