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| Criterion |  Architecture arc42 |  Operations 8D Problem Solving |  Architecture Architecture Communication Canvas |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | 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 an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Low | High | Medium | Medium |
Timedifferent | 1-2 Tage | 1-6 Wochen | 60-120 min | 1-4 h |
Participantsdifferent | 1-4 | 4-10 | 2-8 | 3-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | ArchitectureDocumentationCommunication | QualityProblem solvingRoot cause | ArchitectureCommunicationStakeholdersCanvas | Root causeProblem solvingQualityIncident |