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Selected:Communication PlanATAM (Architecture Tradeoff Analysis Method)RAID LogArchitecture Decision Record
| Criterion |  Delivery Communication Plan |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Delivery RAID Log |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | 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. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | Low | High | Low | Low |
Timedifferent | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 30 min Setup, dann laufend | 15-45 min |
Participantsdifferent | 2-6 | Evaluation team, architects, and relevant stakeholders | 1-3 maintaining, briefing for everyone | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Communication Plan, Channel Matrix, Message Cadence | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | RAID Log, Status Report Source | ADR File, Decision Log, Rationale |
Tagsno overlap | CommunicationStakeholdersDeliveryPlanning | ArchitectureQualityRiskTradeoffsStakeholders | RiskTrackingStakeholdersGovernance | ArchitectureRationaleDocumentationGovernance |