TLDR
MQTT (formerly known as MQ Telemetry Transport) was created in 1991 by Andy Stanford-Clark (IBM) and Arlen Nipper (Eurotech) It is a machine-to-machine (M2M)/”Internet of Things” connectivity protocol. It is designed as an extremely lightweight publish/subscribe messaging transport. Messages are sent to an intermediate, a message broker where interested clients subscribe to. The protocol is data-centric, unlike for example HTTP, which is document centric.via the TL;DR App
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