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Selected:Cost of Delay Failure Mode and Effects Analysis ATAM (Architecture Tradeoff Analysis Method)Kepner-Tregoe

Criterion	Delivery Cost of Delay	Operations Failure Mode and Effects Analysis	Architecture ATAM (Architecture Tradeoff Analysis Method)	Operations Kepner-Tregoe
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.	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.	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.
Complexitysame	High	High	High	High
Timedifferent	90-180 min	2-6 h	Several meetings plus preparation and analysis; total effort depends on scope	2-8 h
Participantsdifferent	3-8	3-10	Evaluation team, architects, and relevant stakeholders	2-8
Formatdifferent	Workshop	Workshop	Workshop + async	Workshop + async
Outputdifferent	CoD Table, Prioritization Sequence	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	Problem Analysis, Decision Analysis, Risk Plan
Tagsno overlap	PrioritizationDeliveryEconomicsDecision	RiskQualityOperationsRoot cause	ArchitectureQualityRiskTradeoffsStakeholders	Problem solvingRoot causeDecisionOperations

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