Скачать или смотреть What is Keep Alive in MQTT? (2020) | Learn Technology in 5 Minutes

As the name suggests, the Keep Alive feature is literally used to keep a network connection alive.

This term is not limited to MQTT, but also used in many other Protocols. In general, keep alive ensures that the connection between a server and a client is still open and both are aware of being connected.

This reduces network congestion and latency by ensuring that a single connection is used per client.

This is highly desirable, especially in the case of Machine to Machine communications, where the nodes have very limited resources.

This is why the inventors of MQTT have added the Keep Alive feature to it. In this episode, you will learn about the Keep Alive implementation in MQTT and Why it is important?

Andy Clark’s response to “Why is the Keep Alive needed in MQTT?” : https://groups.google.com/forum/#!msg...

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