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Selected:TimelineAlignment MappingFailure Mode and Effects AnalysisATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Facilitation Timeline |  Facilitation Alignment Mapping |  Operations Failure Mode and Effects Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | When a project, incident, or change process is only remembered in fragments, Timeline brings the sequence back into a readable form. It makes turning points, precursors, and after-effects recognizable over the course of time. | When several people work toward one goal but hold different mental maps, Alignment Mapping makes the discrepancies visible. It arranges goals, assumptions, and priorities so shared direction becomes verifiable. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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 | High | High |
Timedifferent | 30-90 min | 1-2 h | 2-6 h | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 2-12 | 4-12 | 3-10 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Timeline, Milestones, Insight Notes | Alignment Map, Open Issues, Decision Questions | FMEA Table, Risk Priority, Mitigation Actions | 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 | TimelineFacilitationSequence | AlignmentStakeholdersStrategyFacilitation | RiskQualityOperationsRoot cause | ArchitectureQualityRiskTradeoffsStakeholders |