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| Criterion |  DevOps Game Day |  Architecture C4 Model |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|
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 C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. |
Complexitydifferent | High | Low | High |
Timedifferent | Halber Tag | 1-4 h | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 5-20 | 1-5 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Context Diagram, Container Diagram, Component Diagram | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | ResilienceOperationsIncident | ArchitectureCommunicationVisualization | ArchitectureQualityRiskTradeoffsStakeholders |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
