google访问外网插件
google访问外网插件
MQTT clients are very small, require minimal resources so can be used on small microcontrollers. MQTT message headers are small to optimize network bandwidth.
google访问外网插件
MQTT allows for messaging between device to cloud and cloud to device. This makes for easy broadcasting messages to groups of things.
google访问外网插件
MQTT can scale to connect with millions of IoT devices.
google访问外网插件
Reliability of message delivery is important for many IoT use cases. This is why MQTT has 3 defined quality of service levels: 0 - at most once, 1- at least once, 2 - exactly once
google访问外网插件
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google访问外网插件
MQTT makes it easy to encrypt messages using TLS and authenticate clients using modern authentication protocols, such as OAuth.
google访问外网插件
google访问外网插件
MQTT is used in a wide variety of industries