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| Criterion |  Architecture Architecture Decision Record |  Operations ABC Analysis |  Operations Kepner-Tregoe |  Architecture Request for Comments |
|---|---|---|---|---|
Purposedifferent | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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. | 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. | 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. |
Complexitydifferent | Low | Low | High | Medium |
Timedifferent | 15-45 min | 30-60 min | 2-8 h | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 1-3 | 1-5 | 2-8 | 3-20 Reviewer |
Formatdifferent | Async | Async | Workshop + async | Async |
Outputdifferent | ADR File, Decision Log, Rationale | ABC Classification, Focus Rules, Control List | Problem Analysis, Decision Analysis, Risk Plan | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | PrioritizationOperationsPortfolio | Problem solvingRoot causeDecisionOperations | ArchitectureDecisionAsyncGovernance |