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| Criterion |  DevOps Game Day |  Architecture Architecture Communication Canvas |  DevOps Blameless Postmortem |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | 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. |
Complexitydifferent | High | Medium | Medium | Low |
Timedifferent | Halber Tag | 60-120 min | 30-90 min | 1-2 Tage |
Participantsdifferent | 5-20 | 2-8 | 3-12 | 1-4 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Postmortem Doc, Action Items, Timeline | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | ResilienceOperationsIncident | ArchitectureCommunicationStakeholdersCanvas | Site Reliability EngineeringIncidentLearningReliability | ArchitectureDocumentationCommunication |