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| Criterion |  Engineering Failure Scenario Analysis |  Architecture Request for Comments |  Decision Making DACI |  Decision Making Pre-Mortem |
|---|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-3 h | 1-3 Wochen vom Draft bis zur Entscheidung | 30-60 min | 20–45 min |
Participantsdifferent | 3-8 | 3-20 Reviewer | 2-10 | Small cross-functional group |
Formatdifferent | Workshop | Async | Workshop + async | Workshop |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | DACI Matrix, Decision Owner, Decision Log | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | FailureResilienceRisk | ArchitectureDecisionAsyncGovernance | DecisionRolesGovernanceAlignment | RiskDecisionFailurePlanning |