Golang is a statically, strongly typed, compiled, concurrent, and garbage-collecting programming language developed by Google. Go is expressive, clean, and efficient. Its concurrency mechanism makes it easy to write programs that maximize the use of multicore and network machines, and its innovative type system enables flexible and modular program construction. Go compiles quickly to machine code, but with the convenience of garbage collection and the power of runtime reflection. It is a fast, statically typed, compiled language, like a dynamically typed, interpreted language.
MQTT is a kind of lightweight IoT messaging protocol based on the publish/subscribe model, which can provide real-time and reliable messaging service for IoT devices, only using very little code and bandwidth. It is suitable for devices with limited hardware resources and a network environment with limited bandwidth. Therefore, the MQTT protocol is widely used in IoT, mobile internet, IoV, electricity power, and other industries.
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