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| Criterion |  Architecture Request for Comments |  Operations Failure Mode and Effects Analysis |  Decision Making Risk Matrix |  Operations Kepner-Tregoe |
|---|---|---|---|---|
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 process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | High | Low | High |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 2-6 h | 30-60 min | 2-8 h |
Participantsdifferent | 3-20 Reviewer | 3-10 | 3-10 | 2-8 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | FMEA Table, Risk Priority, Mitigation Actions | Risk Matrix, Top Risk List | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | RiskQualityOperationsRoot cause | RiskDecisionPrioritizationAssessment | Problem solvingRoot causeDecisionOperations |