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| Criterion |  Decision Making Pre-Mortem |  Architecture Views and Beyond |  Delivery Communication Plan |  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. | 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. | When many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. | 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 | 1-3 Tage | 45-90 min | 1-2 Tage |
Participantsdifferent | Small cross-functional group | 1-4 | 2-6 | 1-4 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Architecture Views, Cross-view Notes, Rationale | Communication Plan, Channel Matrix, Message Cadence | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | RiskDecisionFailurePlanning | DocumentationStakeholdersArchitecture | CommunicationStakeholdersDeliveryPlanning | ArchitectureDocumentationCommunication |