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| Criterion |  Operations Change Analysis |  Delivery Communication Plan |  Operations Root Cause Analysis |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | When many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 45-120 min | 45-90 min | 1-4 h | 60-120 min |
Participantsdifferent | 2-6 | 2-6 | 3-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Communication Plan, Channel Matrix, Message Cadence | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | CommunicationStakeholdersDeliveryPlanning | Root causeProblem solvingQualityIncident | ArchitectureCommunicationStakeholdersCanvas |