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Selected:Architecture Decision Record Blameless Postmortem ChatOps ARID (Active Reviews for Intermediate Designs)

Criterion	Architecture Architecture Decision Record	DevOps Blameless Postmortem	DevOps ChatOps	Architecture ARID (Active Reviews for Intermediate Designs)
Purposedifferent	An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable.	After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures.	For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together.	ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification.
Complexitydifferent	Low	Medium	Medium	Medium
Timedifferent	15-45 min	30-90 min	Ongoing	2–4 h review as a planning range; preparation and evaluation additional
Participantsdifferent	1-3	3-12	2-20	Designers, developers as users, and facilitation
Formatdifferent	Async	Workshop + async	Workshop + async	Workshop + async
Outputdifferent	ADR File, Decision Log, Rationale	Postmortem Doc, Action Items, Timeline	Chat Transcript, Action Log, Automations	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions
Tagsno overlap	ArchitectureRationaleDocumentationGovernance	Site Reliability EngineeringIncidentLearningReliability	CollaborationEngineeringIncident	ArchitectureEngineeringFeedbackValidationTasks

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