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• Messages can be consumed by any Sparkplug Host Application such as MQTT Engine.
• Any MQTT client created by the agent will publish and subscribe to data using the Sparkplug B protocol.
  • Uses the namespace spBV1.0
  • Using the Sparkplug B protocol provides the benefits of session management including Primary Host ID
• Understands Ignition UDTs and can be configured to publish UDT definitions in BIRTH messages

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• Messages can be consumed by any MQTT client that can parse JSON messages.
• Any MQTT client created by the agent will only publish data using the MQTT protocol.
  • Uses the namespace unsAv1.0 which can be disabled
  • A single data message is published for each tag when QualifiedValue of the tag changes 
  • A single properties message is published for each tag on every client connection
• Has no concept of Ignition UDTs