物联网协议:

MQTT

协议规范

v3.0 http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html v5.0 https://docs.oasis-open.org/mqtt/mqtt/v5.0/mqtt-v5.0.html

Eclipse Mosquitto

https://mosquitto.org/ https://github.com/eclipse/mosquitto

CoAP

协议规范

rfc7252 等等 https://tools.ietf.org/html/rfc7252

libcoap

https://libcoap.net/ https://github.com/obgm/libcoap

工控协议

OPC UA

官方规范注册后可下载 https://opcfoundation.org/

open62541

https://github.com/open62541/open62541