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Criterion	Operations Visual Management	DevOps Incident Timeline Analysis	Operations Failure Mode and Effects Analysis	Operations Root Cause Tree Analysis
Purposedifferent	With high tempo and many parallel topics, the method makes status, deviations, and priorities visible at a glance. It reduces search effort and prevents what matters from getting lost in daily work.	For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable.	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.	For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie.
Complexitydifferent	Low	Medium	High	Medium
Timedifferent	Ongoing	60-180 min	2-6 h	1-3 h
Participantsdifferent	1-20	3-10	3-10	2-8
Formatdifferent	Workshop + async	Workshop + async	Workshop	Workshop
Outputdifferent	Visual Board, Status Indicators, Exception Cues	Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions	FMEA Table, Risk Priority, Mitigation Actions	Cause Tree, Evidence Notes, Countermeasures
Tagsno overlap	SignalsOperationsVisual management	IncidentTimelineSite Reliability Engineering	RiskQualityOperationsRoot cause	Root causeTreeIncidentQuality