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RTI is the world’s largest DDS supplier and Connext is the most trusted software framework for critical systems.

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From downloads to Hello World, we've got you covered. Find all of the tutorials, documentation, peer conversations and inspiration you need to get started using Connext today.

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RTI provides a broad range of technical and high-level resources designed to assist in understanding industry applications, the RTI Connext product line and its underlying data-centric technology.


RTI is the infrastructure software company for smart-world systems. The company’s RTI Connext product is the world's leading software framework for intelligent distributed systems.

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Connext Product Suite

Compliant with the DDS standard, the Connext software framework brings unparalleled productivity, reliability and scalability to the development of modular real-time systems.

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The Trusted DDS Solution for Critical Systems

Connext is the software framework that delivers the reliability, security and performance essential for highly distributed autonomous systems.

Loose Coupling

Data-centric interfaces provide language-, location- and platform-independent interoperability between independently developed modules.

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Market Leadership

RTI is the world’s largest DDSTM supplier and Connext is the most trusted software framework for critical systems.

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Connext delivers low latency and high throughput even as systems grow in size and complexity.

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Reliable, Scalable, and DDS Compliant

RTI Connext is the fastest way to develop reliable, scalable and DDS compliant systems. It combines the most widely adopted and deployed DDS implementation with powerful tools and developer resources to accelerate all lifecycle phases, from initial design through deployment and upgrades. Plus, you can have confidence in long-term support. As the leading and largest DDS supplier, RTI works with the world’s most innovative companies to connect intelligent, distributed systems that improve medical care, make roads safer, improve energy use, and protect freedom.


Download Connext now to get started. It's free for evaluation, research and academic use. See for yourself why Connext has proven success in thousands of safety- and mission-critical systems including autonomous vehicles, connected medical devices and next-generation defense systems.

To inquire about a quote for purchasing Connext, complete the form located on our dedicated Get a Quote page.

The Connext Product Suite

Based on the DDS Standard, the Connext Product Suite simplifies application and integration logic. All Connext products manage data in motion, allowing applications and devices to work together as one, integrated system.

Productivity Tools

Accelerate all lifecycle phases with powerful design, debugging, testing and monitoring tools.

Evolvable Foundation

Ease system evolution with the broadest programming language, operating system, CPU and network transport support.

Robust Security

Provides fine-grained security through standardized authentication, encryption and access control.

Proven Reliability

Delivers nonstop availability with no single point of failure. Ideal for mission-critical systems.

Connext Anywhere-
Connext Secure
Connext Professional
Connext Drive
Connext Cert

Tools and Infrastructure Services

Connext includes unique Tools and Infrastructure Services to provide deep visibility into running intelligent systems, troubleshoot application connectivity, solve complex data integration problems and speed time to market.


Admin Console

An essential tool for troubleshooting and monitoring all Connext infrastructure services as well as visualizing data.

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Recording Services

An off-the-shelf solution to capture and replay DDS data into and from permanent storage with different patterns.

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Routing Service

An out-of-the-box solution that allows developers to rapidly scale and integrate real-time systems.

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Web Integration Service

A standards-based interface, transparently bridging between web-based services and unmodified DDS applications.

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Critical for performance optimization, helps troubleshoot DDS-enabled applications throughout integration and testing.

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Connext: Data-centric DDS Framework for Performance, Scalability, Reliability and Autonomy

With the Connext data-centric approach, applications and devices automatically discover each other and talk peer-to-peer, over reliable multicast, across platforms and large-scale and geographically distributed systems. No message brokers or servers are required. The result:

  • Latency in the microseconds, even with many subscribers
  • Throughput of millions of messages per second
  • Non-stop availability with no single point of failure
  • Autonomous operation in highly distributed systems

Third-Party Integrations



RTI DDS Toolkit provides a secure and interoperable data communications infrastructure for NI LabVIEW.


MATLAB and Simulink

Connext integrates with MATLAB and Simulink to model, simulate and generate code that enables DDS connectivity in embedded systems.



Connext integrates with leading UML & SysML modeling platforms to develop DDS applications.

Case + Code Examples

Case + Code helps developers build distributed systems using Connext and includes real-world distributed system use cases, essential design, code and configuration, and working code examples.

Next Generation E/E

Building a Future-Proof Architecture using RTI Connext Drive

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Simulate Immersive Environment with Unreal Engine

Do you need to feed real-time data into your Unreal Engine simulation environment? RTI Connext Professional makes distributed simulation and real-time data work as one.

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Real-Time Video Data Streaming

Techniques, tuning and tradeoffs for streaming video data in real-time.

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Video Streaming

Automate Manufacturing Flows and Systems

Do you need to monitor the state of lots or batches in manufacturing flows? This Connext solution explains how to track, report on and process items in high-speed, accuracy-critical manufacturing flows.

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Gaming Visualizations with Connext/Unity Integration

Combine Connext and Unity to rapidly create a visualization of real-time data and more.

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Track and Monitor Vehicles and Assets

Do you want to know where your assets are, in real-time? This Connext solution explains how to track vehicles across a network, whether UAVs in the arena or a fleet of emergency vehicles responding to a crisis.

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Monitor Remote Devices in the Internet of Things

Do you need to send and receive data between multiple real-time LANs, even over a WAN? Whether they're geographically disparate with bandwidth constraints or in the same building, this Connext solution explains how to connect two real-time networks over a WAN.

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Integrating RTI Connext with ENSCO IData

Learn how RTI Connext Professional can be used in conjunction with ENSCO IData.

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Check Out These Customer Applications

RTI Connext is proven in real-world applications across industries to connect and secure mission-critical, intelligent systems.

Simple & Fair Pricing

Depending on the nature of your project, pricing options include Commercial, Research, Academic and Open Source licenses. We also offer a free 30-day trial.

Commercial Licenses

Pricing is based on the number of developers using Connext on your project. Distribution of applications that use RTI core products is royalty-free.

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Try a fully-functional version of the leading software connectivity framework for distributed systems, Connext, for 30 days.

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Research & University Programs

RTI is committed to supporting universities in their research labs and classroom projects. We offer a free, one-year, renewable license to Connext® Secure for academic, noncommercial use.

Research & Non-commercial

RTI offers special license programs for qualified research and non-commercial use. Download a free trial to apply.