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| Criterion |  Innovation Double Diamond |  Architecture arc42 |  Decision Making Argument Mapping |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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. | When statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | Wochen bis Monate | 1-2 Tage | 1-3 h | 60-120 min |
Participantsdifferent | 3-12 | 1-4 | 1-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Architecture Document, Context View, Runtime View, Deployment View | Argument Map, Evidence Gaps, Decision Rationale | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ProcessDivergenceInnovation | ArchitectureDocumentationCommunication | SensemakingDecisionRationale | ArchitectureCommunicationStakeholdersCanvas |