EMQX Essentials

This chapter serves as a comprehensive guide to understanding the essential components and concepts of MQTT and EMQX. In this chapter, you will learn the fundamental knowledge and practical insights about the MQTT protocol and the EMQX broker and the critical security concepts such as Authentication, Authorization, and Transport Layer Security (TLS). Let's take a closer look at what you can expect to learn:

• MQTT Guide provides all you need to learn about MQTT.
• Design and Implementation introduce the design principles of some key EMQX features.
• Authentication and Authorization and TLS provide learning resources about network security.