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| Criterion |  Decision Making Risk Matrix |  Architecture arc42 |  Decision Making Red Teaming |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | 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. | For strategic decisions with high reach, agreement and gut feeling are often not enough. Red teaming brings deliberate opposition into the situation and tests where a plan breaks under real counterarguments. | 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. |
Complexitydifferent | Low | Low | High | Low |
Timedifferent | 30-60 min | 1-2 Tage | 1-4 h | 15-45 min |
Participantsdifferent | 3-10 | 1-4 | 3-8 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Async |
Outputdifferent | Risk Matrix, Top Risk List | Architecture Document, Context View, Runtime View, Deployment View | Challenge Findings, Risk Register, Mitigation Plan | ADR File, Decision Log, Rationale |
Tagsno overlap | RiskDecisionPrioritizationAssessment | ArchitectureDocumentationCommunication | RiskDecisionSensemaking | ArchitectureRationaleDocumentationGovernance |