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Selected:Architecture Decision RecordArchitecture Inception CanvasRoot Cause AnalysisRoot Cause Tree Analysis
| Criterion |  Architecture Architecture Decision Record |  Architecture Architecture Inception Canvas |  Operations Root Cause Analysis |  Operations Root Cause Tree Analysis |
|---|---|---|---|---|
Purposedifferent | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 15-45 min | 1-2 h | 1-4 h | 1-3 h |
Participantsdifferent | 1-3 | 3-8 | 3-8 | 2-8 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Inception Canvas, Risks, Goal List, Open Questions | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | AlignmentArchitectureCanvas | Root causeProblem solvingQualityIncident | Root causeTreeIncidentQuality |