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Sparkplug B primary host

A conformant primary host, not MQTT with a schema bolted on — birth and death certificates, sequence tracking and rebirth.

A Sparkplug B message sequence from NBIRTH through DDATA to NDEATH and rebirth, with the edge nodes below it.

QUBIQ publishes STATE, tracks the sequence number on every message, and requests a rebirth when it detects a gap. When an edge node disappears, its death certificate marks that node's metrics stale rather than leaving a number on a screen that stopped being true twenty minutes ago.

The implementation carries its own compliance test suite and a simulator probe, because "mostly works" is not a useful property for a state-management protocol.

What you get

  • NBIRTH / DBIRTH schema announcement with aliases
  • NDEATH / DDEATH marks metrics stale, not merely stopped
  • Sequence-gap detection with automatic rebirth request
  • Command writes back to edge nodes
  • Compliance suite runs in CI