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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Operations Root Cause Tree Analysis |  Architecture Architecture Communication Canvas |
|---|---|---|---|
Purposedifferent | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 30-240 min | 1-3 h | 60-120 min |
Participantsdifferent | 1-6 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Cause Tree, Evidence Notes, Countermeasures | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | Root causeTreeIncidentQuality | ArchitectureCommunicationStakeholdersCanvas |
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