OriginalThe unified namespace, explained
One broker, one topic tree, every producer and consumer decoupled. What a UNS is, what it demands, and where it goes wrong.
Sparkplug B
Sparkplug B: MQTT namespace and payload spec for plug-and-play IIoT.
OriginalSparkplug B in one page
The topic namespace, birth certificates, and state awareness that turn MQTT from a transport into a plug-and-play OT data fabric.
Three technologies that get compared as rivals but usually work as layers. What each one owns, and how to stop choosing between them.
The three MQTT features that decide whether your telemetry is lossy, stale, or exactly-once — and when each setting is correct.
IndexEclipse Sparkplug — specification and resources (sparkplug.eclipse.org)
The Eclipse Sparkplug project: specification, TCK, compatible products, and working-group resources for MQTT-based OT interoperability.
IndexHiveMQ Blog — MQTT in depth (hivemq.com)
HiveMQ's technical blog: MQTT features, Sparkplug, broker operations, and IIoT architecture at scale.
Terms in this topic
- Birth certificate (Sparkplug)
- Sparkplug self-description published on connect; death certificate on disconnect.
- Sparkplug B
- MQTT namespace + payload + state spec for OT.