Connext TSS 3.1 now available!

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Connext TSS 3.1 now available!

RTI is pleased to announce the general availability of Connext TSS 3.1. Connext TSS 3.1 is the first Transport Services Segment (TSS) to receive conformance certification to the Future Airborne Capability Environment (FACE™) Technical Standard, Edition 3.1, and it is the first TSS available with RTCA DO-178C Design Assurance Level (DAL) A safety certification evidence. With these crucial industry milestones, RTI enables our customers developing safety critical avionics systems to meet their demanding system requirements while reducing both program cost and risk.


Platform Availability
Connext TSS 3.1 is supported on the following platforms:

  • POSIX based Linux systems
  • ARINC 653 based RTOSes


RTI is continually expanding platform support for Connext TSS. Popular platforms will be made available through future Connext TSS releases or customer safety certification projects. If you need immediate support for a specific platform, please contact your local account team.


Getting Started
To get started with the latest version of Connext TSS, please review What’s New and Release Notes. To download Connext TSS, please log into the RTI Customer Portal and follow the installation instructions included in the user manual.

Thank you for your continued partnership with RTI. If we can be of any assistance, please contact your local account team or email us at