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| Criterion |  Agile Starfish Retrospective |  Architecture Architecture Communication Canvas |  Agile Sailboat Retrospective |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | When improvement options need to be sorted more finely than just start and stop, it brings observations into clear kinds of action. This makes visible what should be done more, less, newly, or continued. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | When a team wants to read momentum, brakes, and risks together, it offers an easily understandable picture of the situation. It makes drive, obstacles, and headwind visible in the same picture. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 45-90 min | 60-120 min | 45-90 min | 1-2 Tage |
Participantsdifferent | 4-12 | 2-8 | 4-12 | 1-4 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Starfish Board, Practice Changes, Experiments | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Sailboat Board, Risks, Improvement Actions | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | RetrospectiveImprovementExperimentsTeam | ArchitectureCommunicationStakeholdersCanvas | RetrospectiveTeamImprovement | ArchitectureDocumentationCommunication |