EMQX

Overview

EMQX is an open-source, highly scalable, and feature-rich MQTT broker designed for IoT and real-time messaging applications. It supports up to 100 million concurrent IoT device connections per cluster while maintaining a throughput of 1 million messages per second and a millisecond latency.

EMQX supports various protocols, including MQTT (3.1, 3.1.1, and 5.0), HTTP, QUIC, and WebSocket. It also provides secure bi-directional communication with MQTT over TLS/SSL and various authentication mechanisms, ensuring reliable and efficient communication infrastructure for IoT devices and applications.

emqx preview

Key Features

  • Scalability and Performance:

EMQX is designed to support millions of concurrent connections, making it ideal for large-scale IoT deployments. Provides high throughput and low latency for real-time messaging applications.

  • MQTT Protocol Support:

Fully supports MQTT 3.x and 5.0, along with other messaging protocols like MQTT-SN, CoAP, and WebSocket. Enables efficient and reliable messaging between devices, sensors, and applications.

  • Clustered Architecture:

Supports horizontal scaling through clustering, allowing multiple EMQX nodes to work together as a single system. Provides high availability and fault tolerance, ensuring continuous operation even in the event of node failures.

  • Security and Access Control:

Includes robust security features, such as TLS/SSL encryption, authentication, and authorization. Supports integration with external authentication services like LDAP, JWT, and OAuth2.

  • Extensibility and Plugins:

Offers a rich plugin system, enabling customization and extension of broker functionality. Supports plugins for data persistence, rule engines, and integration with other systems like databases and cloud services.

  • Monitoring and Management:

Provides a web-based dashboard for real-time monitoring of broker performance, connections, and message metrics. Supports integration with monitoring tools like Prometheus and Grafana for enhanced observability.

  • Integration and Interoperability:

Integrates with various backends, including databases, cloud platforms, and message queues, facilitating seamless data flow between IoT devices and applications. Supports bridging to other MQTT brokers and systems for interoperability.

Use Cases

  • IoT Applications:

Ideal for IoT platforms needing scalable and reliable messaging infrastructure to connect devices, sensors, and applications.

  • Edge Computing:

Supports edge computing environments where real-time data processing and low-latency messaging are critical.

  • Smart Home and Industry 4.0:

Suitable for smart home automation, industrial IoT, and other scenarios where devices need to communicate efficiently and securely.

  • Real-Time Data Streaming:

Enables real-time data streaming and event-driven architectures for applications requiring immediate data processing and response.

EMQX docs