Feature Comparison

This page lists features supported across different deployment types in detail.

Core Features

Features	Self-Hosted		MQTT as a Service		Notes and Links
	EMQX Open Source	EMQX Enterprise	EMQX Cloud Serverless	EMQX Dedicated Cloud
MQTT 5.0 Broker
MQTT over QUIC					In development for Cloud
MQTT Add-ons					Shared subscription Exclusive subscription Delayed publish Auto-subscription Topic rewrite
Multi-protocol Gateways
Geo-replication					In Product Roadmap
Data Persistence		Built-in RocksDB backend or external databases	N/A	N/A	Coming in EMQX 5.4 (preview function) Highly Reliable MQTT Data Persistence Based on RocksDB
Schema Registry					Schema Registry
Message Codec					JSON Avro Protobuf Custom codec (HTTP/gRPC)
Rule Engine					SQL-based built-in Rule Engine
Flow Designer			In product roadmap	In product roadmap	Flow Designer
File Transfer			In product roadmap	In product roadmap
Kafka Integration					Stream MQTT Data into Apache Kafka
Enterprise Integrations		40+		40+	Integration with Everything via Rule Engine and Data Bridge
Troubleshooting					Log Trace Slow Subscriptions
Cloud-Native & K8s			N/A	N/A	Deployment Options
Edge Computing					Neuron NanoMQ

Scalability and Performance

Scalability/Performance	Self-Hosted		MQTT as a Service		Notes and Links
	EMQX Open Source	EMQX Enterprise	EMQX Cloud Serverless	EMQX Dedicated Cloud
Scalability	Up to 100M MQTT connections per cluster	Up to 100M MQTT connections per cluster	1000 auto scale	1000 - unlimited	Reaching 100M MQTT connections with EMQX 5.0
Availability	Masterless cluster	Masterless cluster	Masterless cluster	Masterless cluster
Reliability	Data storage in memory	Data persistence in RocksDB	N/A	N/A	Highly Reliable MQTT Data Persistence Based on RocksDB
Performance	5M+ MQTT messages per second	5M+ MQTT messages per second	1000 MQTT messages per second	5M+ MQTT messages per second
Latency	1~5 millisecond	1~5 millisecond	1~5 millisecond	1~5 millisecond
SLA	N/A	N/A	99.9% uptime	Up to 99.99% uptime

Clustering Architecture

Clustering Architecture	Self-Hosted		MQTT as a Service		Notes and Links
	EMQX Open Source	EMQX Enterprise	EMQX Cloud Serverless	EMQX Dedicated Cloud
Nodes of Cluster	20+	20+	confidential	confidential
Elastic and resilient scaling at runtime
Autoscaling
Consistency					Strong consistency
Transaction
Network Split Recovery
Node Evacuation & Cluster Rebalance			N/A	N/A
Autocluster Discoveries			N/A	N/A	static: Discovery based on a static node list mcast: Discovery with UDP multicast mode dns: Discovery based on DNS records etcd: Discovery via etcd k8s: Discovery via Kubernetes service
Zero Downtime/Hot Upgrades			N/A	N/A
Hot Patch			N/A	N/A
Overload Protection			N/A	N/A
Multi-cluster Management			N/A	N/A
Cluster Metrics			N/A	N/A

MQTT and Connectivity

MQTT & Connectivity	Self-Hosted		MQTT as a Service		Notes and Links
	EMQX Open Source	EMQX Enterprise	EMQX Cloud Serverless	EMQX Dedicated Cloud
MQTT 3.x
MQTT 5.0
MQTT Retainer
MQTT over TCP
MQTT over TLS
MQTT over WebSocket
MQTT over QUIC			In product roadmap	In product roadmap	EMQX is now the only MQTT broker in the world that supports QUIC transport.
LB (Proxy Protocol)					Proxy protocol v1, v2
IPv6 Support
Multi-protocol Gateway
MQTT-SN
STOMP
CoAP
LwM2M
ExProto
OCPP
JT/808		Coming in EMQX v5.4
GBT32960		Coming in EMQX v5.4

Security

Security	Self-Hosted		MQTT as a Service		Notes and Links
	EMQX Open Source	EMQX Enterprise	EMQX Cloud Serverless	EMQX Dedicated Cloud
TLS/SSL					EMQX Open Source and Enterprise: TLS 1.1, 1.2, 1.3
OCSP Stapling
Audit Logs
SQL Injections Protection
Black Duck Analysis			N/A	N/A	Partner with Synopsis

Authentication and Authorization

Authentication/Authorization	Self-Hosted		MQTT as a Service		Notes and Links
	EMQX Open Source	EMQX Enterprise	EMQX Cloud Serverless	EMQX Dedicated Cloud
Username/Password					Password-Based Authentication
JWT					JWT Authentication
MQTT 5.0 Enhanced Authentication			N/A	N/A	MQTT 5.0 Enhanced Authentication
LDAP Authentication				In product roadmap
PSK Authentication					Enable PSK Authentication
X.509 Certificates			Managed by EMQX Cloud
SSO					Single Sign-On
RBAC					Role-Based Access Control
Fine-grained Access Control
Authentication Database Backends
ACL Database Backends

Data Integration

Data Integration	Self-Hosted		MQTT as a Service
	EMQX Open Source	EMQX Enterprise	EMQX Cloud Serverless	EMQX Dedicated Cloud
Rule Engine
Data Bridge
MQTT Bridge
Webhook/HTTP Server			On-line soon
Apache Kafka/Confluent			On-line soon
Apache IoTDB
Apache Pulsar
AWS Kinesis
Azure Event Hubs
Cassandra
ClickHouse
DynamoDB
GCP PubSub
GreptimeDB
HStreamDB
InfluxDB
Microsoft SQL Server
MongoDB
MySQL
OpenTSDB
Oracle Database
PostgreSQL
RabbitMQ
Redis
RocketMQ
TDengine
TimeScaleDB
SAP Event Mesh

## Rule Engine

Rule Engine	Self-Hosted		MQTT as a Service		Notes and Links
	EMQX Open Source	EMQX Enterprise	EMQX Cloud Serverless	EMQX Dedicated Cloud
Event Trigger					MQTT Events
Built-in Functions					Functions available in SQL statements
jq Functions
Schema Registry
JSON Codec
Avro Codec
ProtoBuf Codec

Extensibility

Extensibility	Self-Hosted		MQTT as a Service		Notes and Links
	EMQX Open Source	EMQX Enterprise	EMQX Cloud Serverless	EMQX Dedicated Cloud
Hooks			N/A	N/A	Hooks
Plugins			N/A	N/A	Plugins
Plugin Hot-loading			N/A	N/A
Gateways			N/A	N/A
ExHooks/gRPC			N/A	N/A

Operability

Operability	Self-Hosted		MQTT as a Service		Notes and Links
	EMQX Open Source	EMQX Enterprise	EMQX Cloud Serverless	EMQX Dedicated Cloud
Dashboard					EMQX dashboard is feature-rich. Configs can be hot udpated through dashboard.
Configuration	HOCON	HOCON	N/A	N/A	The HOCON format is simple and concise.
HTTP API
CLI
Config Hot Updates			N/A	N/A
Operational Auditing

Observability

Observability	Self-Hosted		MQTT as a Service		Notes and Links
	EMQX Open Source	EMQX Enterprise	EMQX Cloud Serverless	EMQX Dedicated Cloud
Dashboard					Monitor clusters in real time with an elegant dashboard
Metrics					Node metrics
Grafana
Cluster Metrics			N/A	N/A
Alarm Alerts
Slow Subscription Monitoring			In product roadmap	In product roadmap
Topic Monitoring			In product roadmap	In product roadmap
Client Monitoring
Prometheus
Datadog			In product roadmap	In product roadmap	Coming in EMQX Enterprise 5.4

Cloud Native and K8S

Cloud Native & K8s	Self-Hosted		MQTT as a Service		Notes and Links
	EMQX Open Source	EMQX Enterprise	EMQX Cloud Serverless	EMQX Dedicated Cloud
Docker			N/A	N/A	emqx - Official Image | Docker HubDocker
Kubernetes Operator			N/A	N/A	EMQX Kubernetes Operator
Terraform			N/A	N/A	EMQX Terraform

Cloud Platform Availability

Cloud Platform	Self-Hosted		MQTT as a Service		Notes and Links
	EMQX Open Source	EMQX Enterprise	EMQX Cloud Serverless	EMQX Dedicated Cloud
AWS Marketplace					EMQX is available on AWS Marketplace. AWS Marketplace: EMQX Enterprise on Ubuntu 20.04
Azure Marketplace
GCP Marketplace
AWS
Azure
GCP

MQTT Tools and SDKs

MQTT Tools & SDKs	Self-Hosted		MQTT as a Service		Notes and Links
	EMQX Open Source	EMQX Enterprise	EMQX Cloud Serverless	EMQX Dedicated Cloud
MQTT Desktop Client					MQTT X - The best tool for learning MQTT. MQTTX: Your All-in-one MQTT Client Toolbox
MQTT CLI					MQTTX CLI: A Powerful and Easy-to-use MQTT CLI Tool
MQTT Web Tool					Feature-rich and Easy-to-use. MQTTX Web: Easy-to-use MQTT Websocket Client Tool
MQTT Benchmark					GitHub - emqx/emqtt-bench: Lightweight MQTT benchmark tool written in Erlang
MQTT Load Testing		XMeter			XMeter - The world’s #1 MQTT load testing tool
MQTT & JMeter	JMeter Plugin	XMeter			GitHub - emqx/mqtt-jmeter: MQTT JMeter Plugin
MQTT SDK for C	NanoSDK	NanoSDK			GitHub - nanomq/NanoSDK: NanoSDK - MQTT 5.0-compliant SDK with QUIC support in NNG flavor
MQTT Erlang SDK					GitHub - emqx/emqtt: Erlang MQTT 5.0 Client
MQTT iOS SDK					GitHub - emqx/CocoaMQTT: MQTT 5.0 client library for iOS and macOS written in Swift
MQTT QUIC Client					GitHub - emqx/quic: QUIC protocol for Erlang & Elixir

Support Services

Support Services	Self-Hosted		MQTT as a Service		Notes and Links
	EMQX Open Source	EMQX Enterprise	EMQX Cloud Serverless	EMQX Dedicated Cloud
Technical Support	Community & Forum	5*8, 7*24 Global Support	5*8 Global Support	5*8, 7*24 Global Support
Architecture Consulting
Project Integration
Custom Development