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| Criterion |  Decision Making Decision Tree |  Decision Making Pre-Mortem |  Architecture Request for Comments |
|---|---|---|---|
Purposedifferent | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | 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. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 30-90 min | 20–45 min | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 1-6 | Small cross-functional group | 3-20 Reviewer |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Decision Tree, Option Map, Assumption List | Risk list, Mitigation plan, Assumption log | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tags1 shared | DecisionTreeOptions | RiskDecisionFailurePlanning | ArchitectureDecisionAsyncGovernance |
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