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| Criterion |  Decision Making Risk Matrix |  Architecture arc42 |  Decision Making Pre-Mortem |
|---|---|---|---|
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. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. |
Complexitysame | Low | Low | Low |
Timedifferent | 30-60 min | 1-2 Tage | 20–45 min |
Participantsdifferent | 3-10 | 1-4 | Small cross-functional group |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Risk Matrix, Top Risk List | Architecture Document, Context View, Runtime View, Deployment View | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | RiskDecisionPrioritizationAssessment | ArchitectureDocumentationCommunication | RiskDecisionFailurePlanning |
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