Understanding convenient scenarios for the MQTT protocol

Imagine that we have dozens of different devices that must exchange data between themselves. These devices have to request data from other devices, and the devices that receive the requests must respond with that data. The devices that request the data must process the data received from the devices that responded with the required data.

The devices are Internet of Things (IoT) boards that have dozens of sensors wired to them. We have the following IoT boards with different processing powers:

  • Raspberry Pi 3 Model B+
  • Qualcomm DragonBoard 410c
  • Udoo Neo
  • BeagleBone Black
  • Phytec phyBoard-i.MX7-Zeta
  • e-con Systems eSOMiMX6-micro
  • MinnowBoard Turbot Quad-Core

Each of these boards has to be ...

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