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| Criterion |  Decision Making Risk Matrix |  Architecture Views and Beyond |  Decision Making Pre-Mortem |  Architecture arc42 |
|---|---|---|---|---|
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. | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. | 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. | 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 | Low | Low |
Timedifferent | 30-60 min | 1-3 Tage | 20–45 min | 1-2 Tage |
Participantsdifferent | 3-10 | 1-4 | Small cross-functional group | 1-4 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Risk Matrix, Top Risk List | Architecture Views, Cross-view Notes, Rationale | Risk list, Mitigation plan, Assumption log | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | RiskDecisionPrioritizationAssessment | DocumentationStakeholdersArchitecture | RiskDecisionFailurePlanning | ArchitectureDocumentationCommunication |