The DDS serialization protocol is indeed standardized. It uses a format called Extended Common Data Representation (XCDR). The most up-to-date reference is the DDS-XTYPES specification version 1.2. See http://www.omg.org/spec/DDS-XTypes/ --- [Visit Topic](https://discourse.ros.org/t/ros2-anything-equivalent-to-topic-tools-shapeshifter/3393/4) or reply to this email to respond. If you do not want to receive messages from ros-users please use the unsubscribe link below. If you use the one above, you will stop all of ros-users from receiving updates. ______________________________________________________________________________ ros-users mailing list ros-users@lists.ros.org http://lists.ros.org/mailman/listinfo/ros-users Unsubscribe: