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| Criterion |  Architecture arc42 |  Business Strategy Strategy Execution Loop |  Architecture C4 Model |  Architecture Request for Comments |
|---|---|---|---|---|
Purposedifferent | 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 Strategy Execution Loop helps avoid treating strategy as a one-off document. It makes visible how strategic decisions are turned into objectives, initiatives, operational work, measurement, and learning. | 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. | 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 | High | Low | Medium |
Timedifferent | 1-2 Tage | Initial 3-6 h, then monthly or quarterly reviews | 1-4 h | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 1-4 | 5-12 | 1-5 | 3-20 Reviewer |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | Execution Loop, Review Cadence, Strategic Learning Log | Context Diagram, Container Diagram, Component Diagram | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | ArchitectureDocumentationCommunication | ExecutionCadenceLearningGovernance | ArchitectureCommunicationVisualization | ArchitectureDecisionAsyncGovernance |