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| Criterion |  Delivery Cost of Delay |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Kepner-Tregoe |  Operations Fishbone Diagram |
|---|---|---|---|---|
Purposedifferent | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | High | High | High | Low |
Timedifferent | 90-180 min | Several meetings plus preparation and analysis; total effort depends on scope | 2-8 h | 30-60 min |
Participantsdifferent | 3-8 | Evaluation team, architects, and relevant stakeholders | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | CoD Table, Prioritization Sequence | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Problem Analysis, Decision Analysis, Risk Plan | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | PrioritizationDeliveryEconomicsDecision | ArchitectureQualityRiskTradeoffsStakeholders | Problem solvingRoot causeDecisionOperations | Root causeQualityOperations |