The CoAP protocol is an IoT protocol that supports communication between constrained devices operating in constrained networks. Therefore, the CoAP protocol is designed to be very lightweight and uses the UDP protocol for data transmission, making it well-suited for constrained network environments. CoAP operates in a manner similar to HTTP, allowing operations on abstract resources … Read more
Author Shifan Yu: Director of Frontend Development at EMQX, responsible for frontend development of EMQX, and also a developer and maintainer of MQTTX. Introduction With the rapid development of IoT technology, interaction between people and devices, as well as between devices, has become easier. However, achieving more natural, efficient, and intelligent interactions has become a … Read more
[Introduction] What is MQTT? MQTT (Message Queuing Telemetry Transport) is a lightweight communication protocol based on the Publish-Subscribe model, utilizing a Client-Broker communication model over TCP, and is categorized as an application layer protocol. Originally developed by IBM in 1999, it has become one of the most popular communication protocols in the field of Internet … Read more