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Selected:Communication PlanBlameless PostmortemLASR (Lightweight Approach for Software Reviews)5 Whys
| Criterion |  Delivery Communication Plan |  DevOps Blameless Postmortem |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. | 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. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 45-90 min | 30-90 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 15-30 min |
Participantsdifferent | 2-6 | 3-12 | 1 or a small team; particularly suitable for 3–4 people | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Communication Plan, Channel Matrix, Message Cadence | Postmortem Doc, Action Items, Timeline | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks | Root cause notes, Countermeasures |
Tagsno overlap | CommunicationStakeholdersDeliveryPlanning | Site Reliability EngineeringIncidentLearningReliability | ArchitectureQualityRiskAssessmentLean | Root causeIncidentLeanProblem solving |