{"id":"mqtt-sn","model_id":"MQTT-SN v1.2","name":"MQTT-SN v1.2","summary":"MQTT-SN v1.2 is a publish/subscribe messaging protocol for wireless sensor networks. It is aimed at embedded devices on non-TCP/IP networks, such as Zigbee, and extends MQTT beyond TCP/IP infrastructure for sensor and actuator solutions.","study_notes":["MQTT-SN is a pre-existing, publicly available specification; the document states it is not recognized or approved by a standards body such as OASIS.","The OASIS MQTT-SN Subcommittee accepted MQTT-SN Version 1.2 as an input specification and may develop documents and artefacts to clarify the protocol and provide implementation guidance.","MQTT-SN is by design related to MQTT, and integration with MQTT is a stated goal.","The document cites Zigbee as an example of a non-TCP/IP network for MQTT-SN."],"safety_notes":[],"sources":[{"url":"https://www.oasis-open.org/committees/tc_home.php?wg_abbrev=mqtt-sn","title":"MQTT SN Subcommittee","accessed":"2026-10-25"},{"url":"https://mqtt.org/mqtt-specification/","title":"MQTT Specifications","accessed":"2026-10-25"}],"verification":{"status":"source_checked","checked_at":"2026-10-25","values":1,"method":"llm_source_check"},"updated_at":"2026-10-25","type":"protocol","spec":{"transports":["other"],"architecture":"publish_subscribe","encoding":"binary","default_ports":[],"data_types":[],"related":["mqtt"]},"url":"https://machineschema.com/protocol/mqtt-sn","license":"https://creativecommons.org/licenses/by/4.0/"}