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Selected:ATAM (Architecture Tradeoff Analysis Method)WSJF Fishbone Diagram Failure Mode and Effects Analysis

Criterion	Architecture ATAM (Architecture Tradeoff Analysis Method)	Agile WSJF	Operations Fishbone Diagram	Operations Failure Mode and Effects Analysis
Purposedifferent	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 tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together.	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.	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.
Complexitydifferent	High	High	Low	High
Timedifferent	Several meetings plus preparation and analysis; total effort depends on scope	45-90 min	30-60 min	2-6 h
Participantsdifferent	Evaluation team, architects, and relevant stakeholders	3-10	2-8	3-10
Formatdifferent	Workshop + async	Workshop	Workshop	Workshop
Outputdifferent	Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations	Ranked Backlog, Cost-of-Delay Assumptions	Fishbone Diagram, Cause Categories, Investigation Backlog	FMEA Table, Risk Priority, Mitigation Actions
Tagsno overlap	ArchitectureQualityRiskTradeoffsStakeholders	LeanEconomicsSequencePrioritization	Root causeQualityOperations	RiskQualityOperationsRoot cause

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