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| Criterion |  Architecture Request for Comments |  Operations A3 Problem Solving |  Decision Making Risk Matrix |  Operations ABC Analysis |
|---|---|---|---|---|
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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 45-90 min | 30-60 min | 30-60 min |
Participantsdifferent | 3-20 Reviewer | 2-5 | 3-10 | 1-5 |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | A3 Report, Action Plan, Root Cause Analysis | Risk Matrix, Top Risk List | ABC Classification, Focus Rules, Control List |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | LeanProblem solvingCoachingOperations | RiskDecisionPrioritizationAssessment | PrioritizationOperationsPortfolio |