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| Criterion |  Operations RACI Matrix |  Architecture Software Architecture Canvas |  Architecture Architecture Decision Record |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | 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. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 45-90 min | 1-2 h | 15-45 min | 1-2 Tage |
Participantsdifferent | 2-8 | 3-10 | 1-3 | 1-4 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | RACI Matrix, Responsibility Map, Decision Notes | Architecture Canvas, Goals, Constraints, Quality Attributes | ADR File, Decision Log, Rationale | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | RolesResponsibilityGovernanceOperations | CanvasArchitectureAlignmentWorkshop | ArchitectureRationaleDocumentationGovernance | ArchitectureDocumentationCommunication |