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| Criterion |  Architecture Request for Comments |  Operations Fishbone Diagram |  Operations Failure Mode and Effects 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 30-60 min | 2-6 h |
Participantsdifferent | 3-20 Reviewer | 2-8 | 3-10 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Fishbone Diagram, Cause Categories, Investigation Backlog | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | Root causeQualityOperations | RiskQualityOperationsRoot cause |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
