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MQTT is an OASIS standard messaging protocol for the Internet of Things (IoT). It is designed as an extremely lightweight publish/subscribe messaging transport that is ideal for connecting remote devices with a small code footprint and minimal network bandwidth. MQTT today is used in a wide variety of industries, such as automotive, manufacturing, telecommunications, oil and gas, etc.

ios搭梯子教程

ios搭梯子教程

MQTT clients are very small, require minimal resources so can be used on small microcontrollers. MQTT message headers are small to optimize network bandwidth.

ios搭梯子教程

MQTT allows for messaging between device to cloud and cloud to device. This makes for easy broadcasting messages to groups of things.

ios搭梯子教程

MQTT can scale to connect with millions of IoT devices.

ios搭梯子教程

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

ios搭梯子教程

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ios搭梯子教程

MQTT makes it easy to encrypt messages using TLS and authenticate clients using modern authentication protocols, such as OAuth.

ios搭梯子教程

MQTT: publish / subscribe architecture

ios搭梯子教程

MQTT is used in a wide variety of industries

Automotive
Logistics
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Consumer Products
Transportation
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