Smart City Dispatch · Glossary
Last Will and Testament (LWT)
An MQTT feature allowing a client to pre-register a message that the broker publishes if the client disconnects unexpectedly.
Last Will and Testament (LWT)
An MQTT feature allowing a client to pre-register a message that the broker publishes if the client disconnects unexpectedly.
Smart-city relevance: Useful for device-health and offline-state signaling.
Related: MQTT