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| Criterion |  Business Strategy GAP Analysis |  Architecture arc42 |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Delivery Communication Plan |
|---|---|---|---|---|
Purposedifferent | GAP Analysis compares the current state with a target picture and makes the distance manageable. It becomes useful when, ahead of new initiatives, it must become clear which capabilities, processes, or resources are missing. | 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. | 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. | 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. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 1-3 h | 1-2 Tage | Several meetings plus preparation and analysis; total effort depends on scope | 45-90 min |
Participantsdifferent | 2-8 | 1-4 | Evaluation team, architects, and relevant stakeholders | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Gap Matrix, Action Plan, Risk Notes | Architecture Document, Context View, Runtime View, Deployment View | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Communication Plan, Channel Matrix, Message Cadence |
Tagsno overlap | StrategyAnalysisPlanning | ArchitectureDocumentationCommunication | ArchitectureQualityRiskTradeoffsStakeholders | CommunicationStakeholdersDeliveryPlanning |