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| Criterion |  Innovation Design Thinking |  Architecture Architecture Decision Record |  Operations Fishbone Diagram |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 1 Tag bis mehrere Wochen | 15-45 min | 30-60 min | 1-2 Tage |
Participantsdifferent | 4-10 | 1-3 | 2-8 | 1-4 |
Formatdifferent | Workshop | Async | Workshop | Workshop + async |
Outputdifferent | Problem Statement, Prototype, Test Learnings | ADR File, Decision Log, Rationale | Fishbone Diagram, Cause Categories, Investigation Backlog | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | InnovationPrototypeResearch | ArchitectureRationaleDocumentationGovernance | Root causeQualityOperations | ArchitectureDocumentationCommunication |