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Ensure Uninterrupted IoT Connectivity with Durable Sessions

Ensure your IoT devices stay connected and never miss a message with EMQX's Durable Sessions. Experience seamless communication, reduced data loss, and improved reliability for your IoT applications.

Ensure Uninterrupted IoT Connectivity with

What are Durable Sessions?

In the ever-connected world of IoT, maintaining constant connectivity is crucial. EMQX's Durable Sessions feature is designed to ensure your IoT devices stay connected and your data flow remains uninterrupted, even during network instability or server restarts. This capability is vital for mission-critical applications where data integrity and continuous operation are non-negotiable.

With EMQX's Durable Sessions:

  • Maintain client state during disconnections
  • Ensure message delivery even in unstable networks
  • Reduce data loss and improve application reliability
  • Optimize resource usage for intermittently connected devices

The durable Sessions feature ensures your IoT devices continue to communicate seamlessly, reducing the risk of data loss and operational downtime. Whether you're managing a fleet of connected vehicles, industrial machinery, or healthcare devices, Durable Sessions provide the resilience needed to keep your operations running smoothly.

Introduction

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Enhanced Reliability


Durable Sessions ensure that your IoT devices maintain continuous communication, even when connectivity is temporarily lost. This is crucial for applications where downtime is not an option.

Data Integrity


With Durable Sessions, your data remains intact and consistent. There's no risk of losing critical information due to a dropped connection or server issue.

Simplified Application Logic


Reduce complexity in handling reconnections, resubscriptions, and message resends.

Scalability


Whether you're managing a few hundred devices or millions, Durable Sessions scale to meet the needs of your growing IoT deployment, supporting diverse industries like automotive, healthcare, and industrial automation.

How Durable Sessions Work

How Durable Sessions Work
Session Establishment
When a client connects with the "Clean Session" flag set to false, a durable session is created.
State Maintenance
The broker maintains the client's subscriptions and undelivered messages during disconnections.
Message Queuing
Incoming messages for the disconnected client are queued by the broker.
Reconnection
Upon reconnection, the client resumes its session, receiving any queued messages.
Expiration Management
Sessions can be configured to expire after a certain period to manage resources effectively.

Get Started with Durable Sessions

Explore our detailed Durable Sessions Documentation to learn how to configure and optimize this feature for your needs.
Documentation →
Have questions or need a tailored solution? Contact our sales team today to discuss how Durable Sessions can enhance your IoT deployment.
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