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| Criterion |  Operations Runbook |  Architecture Request for Comments |  Decision Making Decision Rights Mapping |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | For recurring operational tasks or incidents, the method keeps solid action logic ready. It reduces uncertainty when time pressure, role changes, or rare situations demand fast access. | 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. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 20-60 min | 1-3 Wochen vom Draft bis zur Entscheidung | 90-180 min | 1-2 Tage |
Participantsdifferent | 1-4 | 3-20 Reviewer | 4-12 | 1-4 |
Formatdifferent | Async | Async | Workshop | Workshop + async |
Outputdifferent | Runbook, Checklist, Escalation Path | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Decision Rights Matrix, Agreement | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | OperationsReliabilityDocumentation | ArchitectureDecisionAsyncGovernance | DecisionGovernanceAlignmentResponsibility | ArchitectureDocumentationCommunication |