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| Criterion |  Architecture C4 Model |  Team Design Team API |  Decision Making Decision Rights Mapping |  Architecture Request for Comments |
|---|---|---|---|---|
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 expectations between teams stay fuzzy, it describes how a team can be reached, used, and held accountable. It clarifies responsibility, interaction, and load between teams. The result is captured as a Team API document. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. | An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 1-4 h | Half day initial, dann laufend | 90-180 min | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 1-5 | Ein Team plus Stakeholder | 4-12 | 3-20 Reviewer |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Team API Document | Decision Rights Matrix, Agreement | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | ArchitectureCommunicationVisualization | TeamAlignmentCommunicationService | DecisionGovernanceAlignmentResponsibility | ArchitectureDecisionAsyncGovernance |