MQTT (Message Queuing Telemetry Transport) is a popular messaging protocol for IoT applications. While simple and lightweight, there are some common questions and issues that arise when using MQTT.
Topic Naming: What is the best practice for naming MQTT topics? Short, unique and descriptive topic names using slashes as separators are recommended. Avoid spaces and special characters.
Authorization: MQTT brokers typically support authentication and authorization of clients through username/password. Make sure to secure your broker to restrict access.
Message Queueing: MQTT brokers will queue messages for offline subscribers. Check your broker settings to control queue limits and behaviour.
Redundancy: For critical applications, consider deploying redundant MQTT brokers and clients to ensure high availability.
Device Identification: Assign unique client IDs to devices to avoid conflicts when they reconnect. Brokers will typically reject duplicate client IDs.
Flooding: Monitor your MQTT traffic to detect and mitigate potential message flooding from malicious clients. Brokers have settings to limit message throughput per client.
Testing: consider using MQTT testing and simulation tools to validate your configuration before deploying to production. This can catch common issues early.
As a professional manufacturer of low power Bluetooth module, Tecksay has independently developed and produced a number of BLE Bluetooth modules that have been applied to many industries. With more than ten years of industry experience, Tecksay can customize BLE embedded solutions for customers from design, project management, function customization, system development and other aspects.