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| Criterion |  Decision Making Constraint Analysis |  Architecture Request for Comments |  Decision Making Decision Tree |  Decision Making Pre-Mortem |
|---|---|---|---|---|
Purposedifferent | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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. | 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. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30-90 min | 1-3 Wochen vom Draft bis zur Entscheidung | 30-90 min | 20–45 min |
Participantsdifferent | 2-8 | 3-20 Reviewer | 1-6 | Small cross-functional group |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Decision Tree, Option Map, Assumption List | Risk list, Mitigation plan, Assumption log |
Tags1 shared | ConstraintsDecisionPlanningOptions | ArchitectureDecisionAsyncGovernance | DecisionTreeOptions | RiskDecisionFailurePlanning |