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| Criterion |  Operations A3 Problem Solving |  Architecture arc42 |  Innovation TRIZ |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit 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. | For technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. | 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 | Low | High | Low |
Timedifferent | 45-90 min | 1-2 Tage | 1-4 h | 15-45 min |
Participantsdifferent | 2-5 | 1-4 | 2-8 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Architecture Document, Context View, Runtime View, Deployment View | Contradiction Statement, Inventive Principles, Solution Concepts | ADR File, Decision Log, Rationale |
Tagsno overlap | LeanProblem solvingCoachingOperations | ArchitectureDocumentationCommunication | InnovationProblem solvingContradictionsCreativity | ArchitectureRationaleDocumentationGovernance |