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| Criterion |  Architecture C4 Model |  Decision Making Pre-Mortem |  Facilitation Stakeholder Mapping |  Delivery Communication Plan |
|---|---|---|---|---|
Purposedifferent | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | 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. | When an initiative depends on many people, interests, and power dynamics, Stakeholder Mapping systematically orders the environment. It shows who influences, who is affected, and where relationship management or safeguarding matters first. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 1-4 h | 20–45 min | 60–90 min | 45-90 min |
Participantsdifferent | 1-5 | Small cross-functional group | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Risk list, Mitigation plan, Assumption log | Stakeholder Map, Engagement Plan, Risk Notes | Communication Plan, Channel Matrix, Message Cadence |
Tagsno overlap | ArchitectureCommunicationVisualization | RiskDecisionFailurePlanning | StakeholdersAlignmentFacilitationChange | CommunicationStakeholdersDeliveryPlanning |