34 lines
2.0 KiB
Markdown
34 lines
2.0 KiB
Markdown
# EMQX
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EMQX is an open-source MQTT message broker built on Erlang/OTP, specifically designed to support the MQTT protocol. It offers a range of powerful features, making it an ideal choice for IoT (Internet of Things) applications. Below are the main features of EMQX:
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## Key Features:
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### MQTT 3.1 and 3.1.1 Support
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EMQX supports versions 3.1 and 3.1.1 of the MQTT protocol, enabling devices and applications to communicate efficiently using MQTT.
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### MQTT 5.0 Support
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EMQX also supports the MQTT 5.0 protocol, which introduces additional features such as properties, shared subscriptions, session expiration, and more, enhancing message delivery flexibility.
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### Clustering Support
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EMQX has robust clustering capabilities, allowing horizontal scaling to handle large-scale message traffic and connection requests. This ensures high availability and scalability.
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### Plugin System
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EMQX provides a rich plugin system, enabling users to extend its functionality as needed, including plugins for authentication, authorization, data storage, message forwarding, and more.
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### Security
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EMQX offers multi-layered security, including username and password-based authentication, TLS/SSL support for encrypted communication, ACL (Access Control Lists), and MQTT security features.
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### Last Will Messages
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EMQX supports MQTT last will messages, ensuring messages are appropriately handled after a device disconnects.
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### Data Storage
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EMQX supports various data storage backends, including Mnesia, MySQL, PostgreSQL, and Redis, for flexible message data storage.
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### Visualization and Monitoring
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EMQX provides a user-friendly web interface for monitoring key metrics such as connections, sessions, message publishing, and subscriptions.
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### Load Balancing
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EMQX features load balancing capabilities, automatically distributing connections and messages evenly across cluster nodes to improve performance and stability.
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### High Availability
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EMQX supports hot backups and failover, ensuring high availability even in the event of node failures. |