What is an MQTT Broker?

An MQTT Broker is the central messaging server that enables communication between IoT devices, applications, sensors, and services using the lightweight MQTT (Message Queuing Telemetry Transport) protocol. The broker receives messages from publishers and delivers them to subscribed clients, providing efficient, low-bandwidth communication for connected devices. With Antryk MQTT Brokers, you can deploy production-ready MQTT infrastructure in minutes while Antryk manages provisioning, networking, security, and operational reliability.

MQTT Broker Features on Antryk

Fully managed MQTT broker deployments
Multiple MQTT broker version support
Secure username and password authentication
Regional broker deployments
Secure access control
Connection information dashboard
Scalable plans for development and production
Simplified broker administration
Secure credential management
Production-ready infrastructure

Deploy an MQTT Broker

Deploying an MQTT Broker on Antryk takes only a few simple steps.

Step 1: Choose Broker Type

From the deployment dashboard:

Click Create Broker
Select Type of Broker For Example, Mosquitto MQTT Broker

Step 2: Select Broker Version

Choose the Mosquitto version you want to deploy. Example versions may include:

Mosquitto 2.0
Mosquitto 2.1
Latest Stable

Using the latest stable version is recommended for new deployments to receive the latest features, performance improvements, and security updates.

Step 3: Configure Broker Settings

Enter your MQTT broker configuration details.

Broker Configuration Fields

Field	Description
Broker Name	Name of your MQTT broker
Username	Administrator username
Password	Secure password for authentication

Example Configuration

Broker Name: production-mqtt
Username: mqtt_admin
Password: ********

Step 4: Select Deployment Region

Choose the deployment region closest to your devices or applications. Available regions include:

USA
ASIA
EUROPE

Selecting the nearest region reduces latency and improves message delivery performance.

Step 5: Configure Access Control

Antryk provides flexible broker access management.

Option 1: Allow Specific IP Addresses

Restrict broker access to trusted IP addresses only. Example:

192.168.1.25
203.0.113.42

Option 2: Allow All IPs

Allow MQTT connections from all IP addresses.

Recommended only for development or temporary testing environments.

Step 6: Select a Plan

Choose an MQTT Broker plan based on your workload. Plans may vary depending on:

CPU
Memory
Storage
Concurrent Connections
Network Performance

Step 7: Deploy Broker

After completing the configuration:

Review all settings
Click Deploy Broker

Antryk automatically provisions your MQTT Broker and prepares it for secure client connections.

MQTT Broker Overview Page

The Overview page provides all essential connection details for your deployed MQTT Broker.

Available Information

Broker Endpoint

The hostname used by MQTT clients. Example:

test.ap-south-1.ds.onantryk.com

Port

Common MQTT ports include:

For secure MQTT over TLS:

Username

Authentication username for broker access.

Password

Secure credentials used for MQTT authentication.

MQTT Broker Settings Page

The Settings page allows you to manage your broker configuration and security.

Available Settings

Change Broker Password

Rotate authentication credentials securely.

Rename Broker

Update the broker name without redeploying.

Update Access Control

Modify IP allowlists or enable/disable public access.

Delete Service

Permanently remove the MQTT Broker deployment.

Warning: Deleting a service permanently removes the broker configuration.

Security Features

Antryk MQTT Broker deployments include enterprise-grade security controls.

Built-In Security

Username and password authentication
IP-based access control
Secure TLS support
Credential management
Secure infrastructure isolation
Encrypted client connections

Common MQTT Broker Use Cases

MQTT Brokers power a wide variety of real-time messaging applications.

Popular Use Cases

IoT device communication
Smart home automation
Industrial IoT (IIoT)
Vehicle telemetry
Remote monitoring systems
Sensor data collection
Real-time notifications
Connected healthcare devices
Smart agriculture
Edge computing

Connecting to an MQTT Broker

Use the connection details available on the Overview page to connect your applications or devices.

Node.js Example

const mqtt = require("mqtt");

const client = mqtt.connect("mqtt://username:password@broker.example.com:1883");

client.on("connect", () => {
  console.log("Connected to MQTT Broker");

  client.subscribe("devices/temperature");

  client.publish("devices/temperature", "25°C");
});

client.on("message", (topic, message) => {
  console.log(`${topic}: ${message.toString()}`);
});

Python Example

import paho.mqtt.client as mqtt

broker = "broker.example.com"
port = 1883

client = mqtt.Client()

client.username_pw_set("username", "password")

client.connect(broker, port)

print("Connected to MQTT Broker")

client.publish("devices/temperature", "25")

client.loop_start()

MQTT Topics Example

MQTT uses topics to organize messages. Example topics:

devices/temperature
devices/humidity
factory/machine01/status
factory/machine01/alerts
home/livingroom/light

Subscribers automatically receive messages published to the topics they subscribe to.

Best Practices

Recommended Production Configuration

Restrict broker access using IP allowlists
Use strong authentication credentials
Enable TLS whenever possible
Rotate credentials regularly
Deploy in the closest region to connected devices
Monitor active client connections
Organize topics with a consistent naming structure

Why Choose MQTT Brokers on Antryk?

Antryk simplifies MQTT infrastructure management so developers can focus on building connected applications instead of managing messaging servers.

Benefits

Fast MQTT broker deployment
Simplified operations
Secure infrastructure
Regional deployments
Low-latency messaging
Production-ready performance
Developer-friendly management
Built for scalable IoT workloads

​What is an MQTT Broker?

​MQTT Broker Features on Antryk

​Deploy an MQTT Broker

​Step 1: Choose Broker Type

​Step 2: Select Broker Version

​Step 3: Configure Broker Settings

​Broker Configuration Fields

​Example Configuration

​Step 4: Select Deployment Region

​Step 5: Configure Access Control

​Option 1: Allow Specific IP Addresses

​Option 2: Allow All IPs

​Step 6: Select a Plan

​Step 7: Deploy Broker

​MQTT Broker Overview Page

​Available Information

​Broker Endpoint

​Port

​Username

​Password

​MQTT Broker Settings Page

​Available Settings

​Change Broker Password

​Rename Broker

​Update Access Control

​Delete Service

​Security Features

​Built-In Security

​Common MQTT Broker Use Cases

​Popular Use Cases

​Connecting to an MQTT Broker

​Node.js Example

​Python Example

​MQTT Topics Example

​Best Practices

​Recommended Production Configuration

​Why Choose MQTT Brokers on Antryk?

​Benefits