The Key Role of MQTT Protocol in IoT Device Communications

Carlos Aldea
3 min readJun 11, 2023
Photo by Denny Müller on Unsplash

Introduction

The Internet of Things (IoT) has revolutionized the way devices communicate and interact with each other. At the heart of IoT communications lies the MQTT (Message Queuing Telemetry Transport) protocol. In this article, we will explore the vital role MQTT plays in enabling efficient and reliable communication between IoT devices. We will delve into the fundamental principles of MQTT, its lightweight nature, and its unique features that make it the go-to protocol for IoT deployments worldwide.

Understanding MQTT

MQTT is a publish-subscribe messaging protocol designed for IoT applications. It follows a lightweight and efficient communication model that allows devices to exchange information seamlessly. The protocol operates on top of TCP/IP, enabling reliable and secure communication across networks.

Image from Microsoft

Publish-Subscribe Model

One of the key strengths of MQTT is its publish-subscribe model. In this model, devices act as either publishers or subscribers. Publishers send messages to a central broker, which then distributes those…

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Carlos Aldea
Carlos Aldea

Written by Carlos Aldea

I am an addict. But don't worry, my addiction is a good one. I love learning things. And I am going to try sharing my learnings.