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| Criterion |  Architecture Architecture Decision Record |  Operations Process Mapping |  Operations RACI Matrix |  Decision Making DACI |
|---|---|---|---|---|
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 a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 15-45 min | 1-3 h | 45-90 min | 30-60 min |
Participantsdifferent | 1-3 | 3-10 | 2-8 | 2-10 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Process Map, Handoff List, Improvement Backlog | RACI Matrix, Responsibility Map, Decision Notes | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ProcessOperationsImprovement | RolesResponsibilityGovernanceOperations | DecisionRolesGovernanceAlignment |