Distributed Architecture
Built on Erlang/OTP for fault tolerance and concurrency
Multi-node clustering with automatic node discovery
Masterless design with no single point of failure
Horizontal scaling across commodity hardware
Shared-nothing architecture for reliability
Live reconfiguration without downtime
Enterprise-Grade Performance
Handles millions of concurrent connections
Millions of messages per second throughput
Sub-millisecond latency at scale
Smart load balancing across cluster nodes
Efficient routing for minimal message copies
Memory and CPU optimized message processing
Complete MQTT Implementation
Full MQTT 5.0 protocol support
Backwards compatibility with MQTT 3.1 and 3.1.1
QoS 0, 1, and 2 delivery guarantees
Retained messages for state distribution
Last Will and Testament messages
Shared subscriptions for load balancing
Advanced Security
TLS/SSL for encrypted communications
Client certificate authentication
Username/password authentication
Webhook-based authentication and authorization
Extensive access control list capabilities
On-the-fly credential management
Flexible Plugin System
Lua scripting for custom business logic
Webhook integrations for external services
Database integration plugins
Custom authentication providers
Message transformation capabilities
Protocol extension points
Monitoring and Observability
Prometheus metrics integration
Detailed statistics and insights
Graphite metrics reporting
Runtime tracing for diagnostics
Health checking endpoints
Log aggregation and analysis
Bridge Functionality
Connect to other MQTT brokers
Bridge specific topics across brokers
Flexible message routing rules
Network failure resilience
Bridge authentication options
Gateway to legacy MQTT systems
Enterprise Integrations
Kafka producer/consumer bridge
AWS IoT Core compatibility
Database persistence options
LDAP and Active Directory integration
RESTful API for management
Custom protocol adaptors