中国大陆如何访问外国网站
中国大陆如何访问外国网站
MQTT clients are very small, require minimal resources so can be used on small microcontrollers. MQTT message headers are small to optimize network bandwidth.
中国大陆如何访问外国网站
MQTT allows for messaging between device to cloud and cloud to device. This makes for easy broadcasting messages to groups of things.
中国大陆如何访问外国网站
MQTT can scale to connect with millions of IoT devices.
中国大陆如何访问外国网站
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
中国大陆如何访问外国网站
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中国大陆如何访问外国网站
MQTT makes it easy to encrypt messages using TLS and authenticate clients using modern authentication protocols, such as OAuth.
中国大陆如何访问外国网站
中国大陆如何访问外国网站
MQTT is used in a wide variety of industries