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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 Secure

Based on the DDS standard, Connext Secure is the trusted software framework for architecting and securing systems of systems.

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Fine-Grained Security

Provides authentication, access control, encryption, and logging that deliver flexible, secure data distribution.

Transport Flexibility

Supports secure UDP multicast over UDP, TCP, LAN, WAN, shared memory and other supported network types.

Standards Compliance

Delivers a customizable, flexible plugin framework that is compliant with the latest OMG DDS-SECURITYTM specification.

Fine-Grained Security for Autonomous Systems

Securing autonomous and intelligent systems – such as those in medical, energy, transportation and defense industries – requires careful architecting of the entire system. Connext Secure is the trusted connectivity framework for designing robust, reliable systems that safeguard without sacrificing real-time performance. Connext Secure can:

  • Protects and defends systems through flexible, fine-grained security for optimal performance and efficiency, from device to cloud.
  • Enable decentralized, peer-to-peer communications to provide authentication, access control, encryption and logging.
  • Support UDP multicast for efficient data distribution to multiple authenticated subscribers.
  • Deliver RTI Security Plugins, that support the OMG® DDS-SECURITY specification, enable forward compatibility and are optimized for smart-world and distributed systems.



Two-Minute Topic: Connext Secure

Watch this brief RTI Connext Secure overview to understand how RTI applies a customizable, data-centric approach to securing connectivity.

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Looking for more? Check these out:


Connext Secure Datasheet

Architecting and securing systems of systems

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Case + Code

Certificate Lifecycle Management

Case + Code example for certificate expiration and revocation

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Check Out These Customer Snapshots

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.