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HiveMQ MQTT Broker

The Trusted Enterprise-Grade MQTT Broker

At the heart of the HiveMQ platform is the MQTT broker, an event-driven messaging platform designed for the fast, efficient, and reliable movement of data to and from connected IoT devices. The HiveMQ broker is 100% compliant with the MQTT protocol and purpose-built for the instant, bi-directional push of data between IoT devices and enterprise systems.

Business Impact of an Enterprise Grade Broker

99.999%

Uptime for Mission-Critical Operations

Scalability to Billions of Data Points Without Re-Architecture

0%

Message Loss, Even During Outages

What is an Enterprise-Grade MQTT Broker?

An enterprise-grade MQTT broker is a mission-critical infrastructure component that enables secure, reliable, and scalable publish-subscribe communication between connected devices and enterprise systems. Unlike basic brokers, it offers guaranteed message delivery, high availability, fine-grained security, and elastic scalability, making it ideal for large-scale IoT deployments and real-time, data-driven operations. 

HiveMQ Broker Key Benefits

HiveMQ Broker is a powerful, enterprise-grade MQTT platform that enables reliable, secure, and scalable data movement between connected devices and enterprise systems. It provides the foundation for event-driven architectures, ensuring seamless integration across distributed environments and powering real-time insights, automation, and digital transformation at scale.

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Always-On Reliability

Keep critical systems running with 99.999% uptime. HiveMQ’s high availability clustering, persistent storage, and hot upgrades prevent downtime and ensure no data is lost even during infrastructure failures.

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Secure, Compliant Data

Protect data in motion with enterprise-grade security, including TLS 1.2/1.3 encryption, mutual TLS, fine-grained access control, pluggable authentication (such as OAuth 2.0 and LDAP), and detailed audit logging.

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Future-Proof Scalability

Scale confidently without re-architecting. HiveMQ delivers consistent performance across millions of connections and dynamically scales as you grow, proven by benchmarks of 200M concurrent connections and 1M messages per second.

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Seamless Integration

Streamline enterprise integration by connecting IoT data to cloud, analytics, and business systems. HiveMQ’s open APIs and native extensions to Kafka, databases, and other enterprise systems enable real-time insights without custom middleware.

Working with HiveMQ, the leading MQTT Platform provider, we’ve been able to tailor a solution that will allow us to achieve our goals. We’re looking forward to optimizing our IoT deployment for cost-savings, and ultimately to reach our efficiency and sustainability goals while offering customers a superior and connected travel experience.

Head of Middleware

/

Air France-KLM Group

Read Case Study

HiveMQ Broker Typical Deployment

HiveMQ Broker, deployed at the plant, HQ, or in the cloud, serves as the central nervous system for industrial IoT—enabling event-driven architecture (EDA) through reliable, secure, and scalable publish/subscribe communication.

HiveMQ Broker
HiveMQ Broker Details

Key Technical Highlights

Dynamic Clustering: HiveMQ enables horizontal scaling by adding or removing broker nodes without downtime. This ensures high availability, load balancing, and resilience.

Standards-Based MQTT: HiveMQ fully supports MQTT 3.1.1 and 5.0, enabling advanced features like session expiry, topic aliases, and shared subscriptions for robust, flexible, and future-proof IoT messaging.

Enterprise-Grade Security: HiveMQ offers TLS encryption, mutual TLS, RBAC, pluggable authentication, and audit logging to ensure secure, compliant, and controlled data exchange across enterprise environments.

Key Technical Capabilities of HiveMQ Broker

Reliability

Seamless and reliable data communication is essential to building dependable MQTT-based processes, helping businesses optimize operational efficiency, minimize disruptions, and safeguard their reputation for sustained success. The HiveMQ MQTT broker delivers IoT data with enterprise-grade reliability for mission-critical applications.

Zero message loss

  • Persistent messaging by storing all messages to disk 

  • Disk replication and offline message queuing 

  • True quality of service (QoS) support

Reliable communication

  • Automatic throttling if needed, to prevent cluster overload

  • Dynamic queuing across clusters to ensure even load distribution

  • Messages are retained and stored on disk

No single point of failure

  • Masterless cluster architecture

  • Zero downtime upgrades with automatic spawning

  • Cluster can grow and shrink at runtime without losing availability

Scalability

Scalability ensures that MQTT brokers can handle the increasing number of device connections and messages without latency issues. By adopting the HiveMQ MQTT broker, businesses can scale to millions of connected devices and tens of thousands of messages per second, establishing a robust foundation for long-term growth and success.

Proven benchmarks

Elastic scaling

  • Architected with a truly distributed and masterless cluster architecture

  • Automatic data balancing across nodes and clusters  

  • Smart message distribution across cluster nodes

Linear scalability

  • Scale from 2 to 100+ nodes with consistent hashing algorithm both vertically and horizontally

  • Automatic data and message balancing  

  • Support for Kubernetes, OpenShift and DC/OS makes it possible to automatically scale HiveMQ

Enterprise Grade

The enterprise-ready HiveMQ MQTT broker is designed to handle large-scale deployments and high message volumes. Purpose-built for robust IoT applications, the HiveMQ broker can meet the needs of larger organizations that demand high reliability, security, and management capabilities for their MQTT-based communication infrastructure.

Enterprise-grade security

  • Data transport is secured by industry standard TLS connections, secure websockets and state-of-the-art cipher suites

  • Support for authentication and authorization includes X.509 certs, username/password, and IP-based authentication

  • Security API allows for custom authentication, authorization, and permission logic such as OAuth 2.0 integration

Enterprise interoperability

  • Comprehensive set of extensions support seamless data integration with streaming and analytics platforms 

  • Custom SDK to build tailored extensions to any custom application in any environment

  • Any MQTT compliant client library can be used with HiveMQ to integrate to any device and OT system

Deployment flexibility

  • Choose HiveMQ Cloud, a fully-Managed MQTT Platform custom configured for your needs

  • HiveMQ self-managed can be deployed on a private, hybrid and public cloud 

  • HiveMQ self-managed includes pre-built images that can be deployed on private clouds using Kubernetes, OpenShift and DC/OS

MQTT Compliance

The HiveMQ broker’s complete compliance to the MQTT specification helps maintain consistency, reliability, and compatibility across various devices and platforms that rely on MQTT for messaging and data exchange.

  • 100% compliant with the MQTT 3.1, MQTT 3.1.1 and MQTT 5 specification

  • MQTT 3 and MQTT 5 clients can communicate simultaneously

  • Support for all advanced features like topic wildcards, persistent sessions with offline queuing, and retained messages

  • Full support for all Quality of Service levels at scale

100%

Compliant to specification

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