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| Criterion |  Innovation Double Diamond |  Operations DMAIC |  Architecture arc42 |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | For a process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. | 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 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 | Medium | High | Low | Low |
Timedifferent | Wochen bis Monate | 2-12 Wochen | 1-2 Tage | 15-45 min |
Participantsdifferent | 3-12 | 3-10 | 1-4 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Architecture Document, Context View, Runtime View, Deployment View | ADR File, Decision Log, Rationale |
Tagsno overlap | ProcessDivergenceInnovation | Continuous improvementQualityProcess improvement | ArchitectureDocumentationCommunication | ArchitectureRationaleDocumentationGovernance |