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| Criterion |  Decision Making Pre-Mortem |  Operations ALPEN Method |  Architecture arc42 |  Architecture Architecture Communication 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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 Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 20–45 min | 10-20 min daily | 1-2 Tage | 60-120 min |
Participantsdifferent | Small cross-functional group | 1 | 1-4 | 2-8 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Daily Plan, Time Estimates, Review Notes | Architecture Document, Context View, Runtime View, Deployment View | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | RiskDecisionFailurePlanning | PlanningTime managementProductivityOperations | ArchitectureDocumentationCommunication | ArchitectureCommunicationStakeholdersCanvas |