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Criterion	Architecture Architecture Communication Canvas	Operations Kepner-Tregoe	Operations Fishbone Diagram	Operations Failure Mode and Effects Analysis
Purposedifferent	The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design.	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.	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	Medium	High	Low	High
Timedifferent	60-120 min	2-8 h	30-60 min	2-6 h
Participantsdifferent	2-8	2-8	2-8	3-10
Formatdifferent	Workshop + async	Workshop + async	Workshop	Workshop
Outputdifferent	Communication Canvas, Stakeholder Messages, Architecture Communication Plan	Problem Analysis, Decision Analysis, Risk Plan	Fishbone Diagram, Cause Categories, Investigation Backlog	FMEA Table, Risk Priority, Mitigation Actions
Tagsno overlap	ArchitectureCommunicationStakeholdersCanvas	Problem solvingRoot causeDecisionOperations	Root causeQualityOperations	RiskQualityOperationsRoot cause