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| Criterion |  Architecture Request for Comments |  Decision Making Constraint Analysis |  Operations 8D Problem Solving |
|---|---|---|---|
Purposedifferent | 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. | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 30-90 min | 1-6 Wochen |
Participantsdifferent | 3-20 Reviewer | 2-8 | 4-10 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | ConstraintsDecisionPlanningOptions | QualityProblem solvingRoot cause |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
