MQTT
MQTT (Message Queuing Telemetry Transport) is a lightweight messaging protocol designed for IoT (Internet of Things) devices and low-bandwidth, high-latency or unreliable networks. It is a publish-subscribe protocol that allows devices to send and receive messages in a decoupled manner, meaning that the sender and receiver do not need to know each other's identity or location. MQTT uses a broker to manage the communication between devices, where the broker receives messages from publishers and forwards them to subscribers. The protocol supports three levels of Quality of Service (QoS) to ensure reliable message delivery, and it also provides mechanisms for authentication and encryption to ensure secure communication.
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