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| Criterion |  Architecture C4 Model |  Facilitation Responsibility Poker |  Operations RACI Matrix |  Operations Accountability Ladder |
|---|---|---|---|---|
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. | When it stays unclear who carries responsibility and who only contributes, Responsibility Poker makes the distribution of responsibility explicit. It sharpens the boundaries between weighing in, deciding, and bearing consequences. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | With defensive reactions to problems, the method shifts the view from justification to ownership. It makes visible which reaction stage a person or team is currently stuck on. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 1-4 h | 45-90 min | 45-90 min | 20-45 min |
Participantsdifferent | 1-5 | 3-10 | 2-8 | 1-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Responsibility Map, Role Agreements, Open Questions | RACI Matrix, Responsibility Map, Decision Notes | Ownership Reflection, Action Commitment, Coaching Notes |
Tagsno overlap | ArchitectureCommunicationVisualization | RolesResponsibilityTeamFacilitation | RolesResponsibilityGovernanceOperations | ResponsibilityLeadershipTeam |