RTI Connext DDS Installers for ROS 2
In this page you will find download links for all Connext versions used to generate binary packages for ROS 2.
ROS 2 applications can be deployed on RTI Connext DDS by means of rmw_connextdds. The source code for this RMW layer implementation can be built with any supported version of Connext, but the precompiled version shipped with every ROS 2 binary installation is always built with a specific version of Connext.
ROS 2/Connext Version Compatibility
| ROS 2 Release | Connext Version Used by Precompiled ROS 2 Binary | Supported Connext Versions |
| Galactic | 6.0.1 | 5.3.1 - 6.1.2 |
| Humble | 6.0.1 | 5.3.1 - 6.1.2 |
| Iron | 6.0.1 | 5.3.1 - 6.1.2 |
| Rolling | 6.0.1 | 5.3.1 - 7.1.0 |
In order to use Connext, you must provide a valid license. You can request a free evaluation license from the RTI website. After requesting, you will receive an email with a license file that you can use with one of the following installers of your choice.
Evaluation Installers Download
RTI Connext DDS 6.0.1
RTI Connext DDS 5.3.1