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| Criterion |  Engineering Fault Isolation |  Architecture Architecture Communication Canvas |  Facilitation Power Interest Grid |  Delivery Communication Plan |
|---|---|---|---|---|
Purposedifferent | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | 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 many stakeholders compete for attention at once, the Power Interest Grid sorts them by influence and stake. It turns individual contributions into a visible selection. The result is captured as a Power Interest Grid and a stakeholder-specific strategy. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 30-180 min | 60-120 min | 30-60 min | 45-90 min |
Participantsdifferent | 1-6 | 2-8 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Power Interest Grid, Strategy per Stakeholder | Communication Plan, Channel Matrix, Message Cadence |
Tagsno overlap | TroubleshootingDiagnosisEngineering | ArchitectureCommunicationStakeholdersCanvas | StakeholdersFacilitationAlignmentPlanning | CommunicationStakeholdersDeliveryPlanning |