emqx4.3

Overview

emqttd is a massively scalable and clusterable MQTT V3.1/V3.1.1 broker written in Erlang/OTP. emqttd support both MQTT V3.1/V3.1.1 protocol specification with extended features.

emqttd requires Erlang R17+ to build.

Goals

emqttd aims to provide a solid, carrier-class MQTT broker that could support millions concurrent connections.

Architecture

TODO: architecture diagraph.

TODO: architecture diagraph.

Featues

• Full MQTT V3.1/V3.1.1 protocol specification support
• QoS0, QoS1, QoS2 Publish and Subscribe
• Session Management and Offline Messages
• Retained Messages
• TCP/SSL connection support
• MQTT Over Websocket
• HTTP Publish API
• $SYS/borkers/# support
• Client Authentication with clientId or username, password.
• Client ACL control with ipaddress, clientid, username.
• Cluster brokers on several servers.
• Bridge brokers locally or remotelly
• 500K+ concurrent client connections per server
• Extensible architecture with plugin support
• Passed eclipse paho interoperability tests

Getting Started

Download binary packeges for linux, mac and freebsd from http://emqtt.io/downloads

TODO: Getting Started Doc...

Benchmark

Benchmark 0.6.1-alpha on a ubuntu/14.04 server with 8 cores, 32G memory from QingCloud:

200K+ Connections, 200K+ Topics, 20K+ In/Out Messages/sec, 20Mbps+ In/Out with 8G Memory, 50%CPU/core

Sponsors

...Sponse us...

License

The MIT License (MIT)

Author

Feng Lee feng@emqtt.io