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| Criterion |  Operations 5 Whys |  Architecture Views and Beyond |  Architecture arc42 |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. | 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 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 15-30 min | 1-3 Tage | 1-2 Tage | 45-90 min |
Participantsdifferent | 2-6 | 1-4 | 1-4 | 2-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | Architecture Views, Cross-view Notes, Rationale | Architecture Document, Context View, Runtime View, Deployment View | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | Root causeIncidentLeanProblem solving | DocumentationStakeholdersArchitecture | ArchitectureDocumentationCommunication | LeanProblem solvingCoachingOperations |