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| Criterion | ![]() Delivery Communication Plan | ![]() Architecture arc42 | ![]() UX Research Affinity Diagramming | ![]() 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. | 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. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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 | Low | Low | High |
Timedifferent | 45-90 min | 1-2 Tage | 45–90 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 2-6 | 1-4 | 3-10 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Communication Plan, Channel Matrix, Message Cadence | Architecture Document, Context View, Runtime View, Deployment View | Theme clusters, Insight statements, Opportunity areas | 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 | ArchitectureDocumentationCommunication | SynthesisQualitativeRoot cause | ArchitectureQualityRiskTradeoffsStakeholders |



