How to use MQTT for IoT messaging

Ordinary Web applications may not need reliable messaging, but the multiplicity of endpoints represented by the Internet of things demands a messaging protocol that measures up

Architectural patterns come and go, but if there's one constant, it's the need for the reliable delivery of messages.

Message queuing may have had its heyday in the client/server world, handling communications with mainframes and gluing together our financial networks, but it never really went away -- despite the fact that direct access to APIs is the hallmark of much modern development.

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