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| Criterion |  Operations Runbook |  Architecture Architecture Decision Record |  Operations Fishbone Diagram |  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 ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 20-60 min | 15-45 min | 30-60 min | 1-2 Tage |
Participantsdifferent | 1-4 | 1-3 | 2-8 | 1-4 |
Formatdifferent | Async | Async | Workshop | Workshop + async |
Outputdifferent | Runbook, Checklist, Escalation Path | ADR File, Decision Log, Rationale | Fishbone Diagram, Cause Categories, Investigation Backlog | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | OperationsReliabilityDocumentation | ArchitectureRationaleDocumentationGovernance | Root causeQualityOperations | ArchitectureDocumentationCommunication |