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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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RTI is the software framework company for physical AI systems. RTI Connext delivers the reliability, security and performance essential for highly distributed autonomous and physical AI systems.

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Connext Professional

The software framework customers trust to rapidly develop, integrate and evolve autonomous and physical AI systems

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Connext Professional
Best to Start With

Offers unmatched technical resources, onboarding, tools and integrations to maximize developer productivity and establish an evolvable architecture that avoids costly rework.

Best to Deploy On

Minimizes deployment time and project risk, providing a secure, field-proven and powerful architecture with over 2,000 design wins worldwide.

Best to Evolve With

Scales with you as market, integration, and system requirements evolve, with the breadth of features and support needed to accelerate development and sustain competitive advantage.

When everything is at stake, architects and developers choose Connext Professional to rapidly build critical systems

Connext Professional is the most trusted software infrastructure for mission-critical systems, brought to you by the company that co-authored the Data Distribution Service (DDSTM) standard.  Why risk your project’s long-term success on another DDS implementation when you can choose one used in over 2,000 of the world's most demanding system designs?

Connext Professional is field-proven in Aerospace & Defense, Healthcare, Robotics, and other demanding industries to distribute critical real-time data with the highest levels of reliability.

Connext-Pro-Developer

AI Assistance

Get instant expert guidance with Connext AI – trained on 20 years of RTI experience across 2,000 mission-critical designs to speed development.

Edge-to-Cloud Deployment

Deploy microservices anywhere – from resource-constrained embedded systems at the edge to mobile devices and up to the cloud.

Powerful Tools

Rapidly design, debug, test, integrate and observe complex distributed systems with powerful, integrated tools.

Brokerless Communication

Communicate peer-to-peer for low latency, minimum jitter and high throughput – with no bottlenecks or single point of failure.

Flexible Integration Patterns

Easily choose the most efficient interaction paradigm for each service – data-centric publish/subscribe, asynchronous request/reply, synchronous RPC, or data query.

Robust Security

Guard system integrity with authentication, encryption and access control that is optimized for real-time performance and constrained-bandwidth networks.

Network Abstraction

Decouples application code from the underlying transport protocol, with support for shared memory, UDP, multicast, TCP, real-time over WAN, disadvantaged networks, and more.

Rich Observability

Manage system health and performance with a complete observability framework – including integration with Prometheus, Grafana and OpenTelemetry. 

Unmatched Reliability and Safety

Proven in some of the world’s most mission-critical systems, developed using rigorous quality and cybersecurity processes, and certified to leading functional safety standards.

Entirely New Way to Develop Smart Physical Systems

Connext Professional now includes Connext AI, LLM-powered tools uniquely trained on decades of RTI expertise, designed to empower developers to build intelligent physical AI systems faster and easier than ever. These tools enhance the design and development of RTI Connext-based applications by automating code generation, configuration, and even debugging through intelligent assistance. RTI is committed to facilitating the incorporation of AI into next-generation systems.

Connext AI is available today with its first three capabilities:

Connext Chatbot

Connext Chatbot
for instant responses to product questions

Copilot for GitHub

Copilot extension for AI-assisted coding that seamlessly integrates with Visual Studio

System Designer with AI

New AI-powered features in System Designer for streamlined configuration (supported in Connext 7.5 and future releases)

Features to Help Your Business Evolve

Unrivaled Support for Language, Platform, Transport, Standards and Communication Patterns

RTI Connext offers a comprehensive suite of language, platform, transport, standards, and communication patterns support and compliance, providing unmatched value for developers and teams aiming to maximize flexibility and future-proof their projects. 

RTI Connext maximizes productivity by using the language best suited to each application and developer skill set. Supported languages include: 

C, Traditional C++, Modern C++, Python, C#/.NET, Java, Ada, JavaScript (node.js)^, LabVIEW*, Simulink*, REST/HTTP

Note:

^ Experimental product

* Third-party product 

RTI Connext helps users develop and deploy applications that interoperate seamlessly across heterogeneous and diverse platforms, from resource-constrained devices at the edge to containers in the cloud. Operating systems include:

Linux, Windows, macOS, VxWorks, QNX, INTEGRITY, Android, Deos, QNX OS for Safety, INTEGRITY-178, FreeRTOS, SafeRTOS, LynxOS-178, ThreadX, Helix Virtualization Platform, AUTOSAR

PROCESSOR FAMILIES include:
x86, x64, ARM, PowerPC, Custom*

Note:

* Custom through arrangement with RTI 

RTI Connext optimizes performance and deployment flexibility from within the same process, as well as for processes distributed around the globe (or even in space). Transports include:

Shared memory, UDPv4, UDPv6, Real-time WAN Transport,  unicast and multicast, TCP, TLS*, Low bandwidth.

Note:

* Require Security Extensions

RTI Connext helps ensure long-term interoperability and compatibility with other DDS implementations by leading in the development of evolving OMG DDS standards.

DDS 1.4*, DDS Wire Protocol (RTPS) 2.2*, DDS Security 1.1*#, C++ Language DDS PSM 1.0, XTypes: Extensible and Dynamic Topic Types 1.3*, RPC over DDS 1.0*, Web-Enabled DDS 1.0*, DDS XML Syntax 1.0*, IDL 4.2*.

Note:

* RTI is Lead Author

# Requires Security Extensions

RTI Connext offers comprehensive Communication Patterns support to minimize the cost and complexity of employing disparate use case-specific middleware solutions. It streamlines application migration and simplifies development by enabling the use of the most intuitive patterns for each interaction.

  • Data-Centric Publish Subscribe for broad real-time data distribution (one-to-many and many-to-many) and streaming data
  • Request-reply for service invocations and command-response
  • Queuing for load balancing and transaction processing
  • Historical Data Query: Efficient retrieval from publishing applications' caches on demand, enabling access to historical data even if not initially subscribed to
 

Connext in
Two Minutes:

Watch this brief overview of RTI Connext for the basics of what it is and how it works.

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Looking for additional information?
Connext Professional Datasheet

Connext Professional Datasheet

Read more about the industry's most robust and productive development environment for autonomous systems.

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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.

European Space Agency (ESA)

Read how ESA is using Connext to manage real-time communications between the International Space Station and a robot on a planet’s surface.

GE Transportation

Learn how GE Transportation’s connected rail enterprise is using Connext, leveraging advanced software and powerful analytics to enhance visibility into the control architecture.

Komatsu

Read how managing and analyzing equipment data in real-time delivers intelligent capabilities and predictive maintenance.

Lockheed Martin

Learn how standards-based, next generation naval systems break vendor lock-in, drive interoperability and future-proofs architectural designs.

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 version of RTI Connext designed for small systems.

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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Free

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

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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 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.