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| Criterion |  Innovation Design Thinking |  Architecture arc42 |  Architecture Request for Comments |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | 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. | 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. | 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. |
Complexitydifferent | High | Low | Medium | Low |
Timedifferent | 1 Tag bis mehrere Wochen | 1-2 Tage | 1-3 Wochen vom Draft bis zur Entscheidung | 15-45 min |
Participantsdifferent | 4-10 | 1-4 | 3-20 Reviewer | 1-3 |
Formatdifferent | Workshop | Workshop + async | Async | Async |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Architecture Document, Context View, Runtime View, Deployment View | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | ADR File, Decision Log, Rationale |
Tagsno overlap | InnovationPrototypeResearch | ArchitectureDocumentationCommunication | ArchitectureDecisionAsyncGovernance | ArchitectureRationaleDocumentationGovernance |