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| Criterion |  Decision Making Pre-Mortem |  Architecture arc42 |  Architecture Software Architecture Canvas |
|---|---|---|---|
Purposedifferent | 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. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. |
Complexitysame | Low | Low | Low |
Timedifferent | 20–45 min | 1-2 Tage | 1-2 h |
Participantsdifferent | Small cross-functional group | 1-4 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Architecture Document, Context View, Runtime View, Deployment View | Architecture Canvas, Goals, Constraints, Quality Attributes |
Tagsno overlap | RiskDecisionFailurePlanning | ArchitectureDocumentationCommunication | CanvasArchitectureAlignmentWorkshop |
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