What is Sparkplug B?
Sparkplug B (ANSI/ISA-112) is an open specification for MQTT that defines how data should be structured and communicated in industrial IoT environments, making MQTT data self-describing and immediately interoperable without custom mapping.
Technical Definition: An open specification for MQTT (ANSI/ISA-112) that defines how data should be structured and communicated in industrial IoT environments. Sparkplug B ensures that all devices connected via MQTT use the same message format, making data self-describing and immediately usable without custom mapping.
Why it matters: Raw MQTT is flexible but unstructured. Sparkplug B adds the discipline that makes MQTT data truly interoperable. With Sparkplug B, a new device connecting to the broker is immediately understandable to all existing subscribers.
HubMind’s view: We advocate Sparkplug B for all new MQTT implementations. It is the standard that enables MQTT to scale from a single sensor to a system-wide data backbone – the prerequisite for a true Unified Namespace.
External link: Eclipse Sparkplug.
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