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How to Simulate the MQTT Protocol in Contiki-NG Simulator?

Simulate the MQTT Protocol in Contiki-NG

Simulate the MQTT Protocol in Contiki-NG

Description:

   MQTT is a lightweight, publish-subscribe, machine-to-machine network protocol. It uses Publisher/Subscriber pattern and translates the messages between devices, servers, and applications. The MQTT protocol was initially created to link sensors like pipelines that communicate with satellites, emphasizing minimal battery loss and bandwidth consumption.

Step 1

Open cooja simulator

In terminal cd contiki-ng/tools/cooja >> ant run

Create new simulation


Step 2

Create motes for simulation

Choose the following location and create motes 1.contiki-ng/examples/rpl-border-router/border-router.c //For border router 2.contiki-ng/examples/mqtt-client/mqtt-client.c //For Publisher 3.contiki-ng/examples/mqtt-client/mqtt-client.c //For Subscriber


Step 3

connect border-router and broker/server

Open a new terminal to connect a border_router. 1.cd contiki-ng/examples/rpl-border-router >>make TARGET=(platform) connect-router-cooja

Open another terminal to connect a broker. 2.mosquitto -p port address


Step 4

Open cooja simulator

Run Simulation

Open cooja simulator and Run Simulation
Output
Run Simulation and get the output