Building Real-time Mobile Solutions with MQTT and IBM MessageSight

Getting started with Message Queuing Telemetry Transport (MQTT)

This chapter introduces the Message Queuing Telemetry Transport (MQTT) protocol and later describes the key features in this protocol. It also provides a few examples of MQTT servers and MQTT clients, with usage examples of Eclipse Paho Java and JavaScript MQTT clients.

This chapter includes the following topics:

•2.1, “MQTT concepts” on page 20

•2.2, “MQTT server” on page 23

•2.3, “MQTT clients” on page 24

2.1 MQTT concepts

This section describes the MQTT publish/subscribe ...