Willow-Way-Topic-Hierarchie (EN)

Willow-Way-Topic-Hierarchie

The Willow-Way-Topic-Hierarchy is the standardized topic structure of Sparkplug B, which enables a clear separation between metadata (NDATA), payload data (DDATA) and commands (CMD). This hierarchical organization of devices enables a structured and consistent representation of industrial plants in MQTT systems. The hierarchy follows a fixed scheme that enables the identification of devices, device data and their relationships, which simplifies integration into SCADA systems and IIoT platforms.

Architecture

flowchart TD     A[Sparkplug B Client] --> B[MQTT Broker]     B --> C[SCADA System]     B --> D[IIoT Plattform]          subgraph Topic-Hierarchie         direction LR         E[Root/SpBv1.0] --> F[Node ID]         F --> G[Device ID]         G --> H[Metadaten NDATA]         G --> I[Nutzdaten DDATA]         G --> J[Befehle CMD]     end          C --> E     D --> E 

Im Kontext

• Wird typischerweise zusammen mit MQTT-Protokoll und Sparkplug B verwendet
• Verwandt zu: IIoT, SCADA, MQTT, Sparkplug B
• Beispiel-Einsatz: Visualisierung von Produktionsanlagen in der Fertigungsindustrie