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Selected:Communication PlanBlameless PostmortemViews and BeyondATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Delivery Communication Plan |  DevOps Blameless Postmortem |  Architecture Views and Beyond |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. | 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 | Low | Medium | Medium | High |
Timedifferent | 45-90 min | 30-90 min | 1-3 Tage | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 2-6 | 3-12 | 1-4 | Evaluation team, architects, and relevant stakeholders |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Communication Plan, Channel Matrix, Message Cadence | Postmortem Doc, Action Items, Timeline | Architecture Views, Cross-view Notes, Rationale | 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 | CommunicationStakeholdersDeliveryPlanning | Site Reliability EngineeringIncidentLearningReliability | DocumentationStakeholdersArchitecture | ArchitectureQualityRiskTradeoffsStakeholders |