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| Criterion |  Decision Making Pre-Mortem |  Architecture Architecture Communication Canvas |  Decision Making Constraint Analysis |  Architecture arc42 |
|---|---|---|---|---|
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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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 | 20–45 min | 60-120 min | 30-90 min | 1-2 Tage |
Participantsdifferent | Small cross-functional group | 2-8 | 2-8 | 1-4 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | RiskDecisionFailurePlanning | ArchitectureCommunicationStakeholdersCanvas | ConstraintsDecisionPlanningOptions | ArchitectureDocumentationCommunication |