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| Criterion |  Architecture arc42 |  Operations RACI Matrix |  Architecture Request for Comments |  Decision Making Decision Rights Mapping |
|---|---|---|---|---|
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. | 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. | 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. | 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. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 1-2 Tage | 45-90 min | 1-3 Wochen vom Draft bis zur Entscheidung | 90-180 min |
Participantsdifferent | 1-4 | 2-8 | 3-20 Reviewer | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | RACI Matrix, Responsibility Map, Decision Notes | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Decision Rights Matrix, Agreement |
Tagsno overlap | ArchitectureDocumentationCommunication | RolesResponsibilityGovernanceOperations | ArchitectureDecisionAsyncGovernance | DecisionGovernanceAlignmentResponsibility |