[ros-users] [Discourse.ros.org] [Next Generation ROS] SROS2 services and actions status

[Jacob Perron via Discourse.ros.org]

Services were introduced in [ros2/sros2#71](https://github.com/ros2/sros2/pull/71) and after to the new XML policy format ([ros2/sros#72](https://github.com/ros2/sros2/pull/72)); both in Crystal.
But there is still an issue related to distinguishing requests vs. responses (see [ros2/sros#94](https://github.com/ros2/sros2/issues/94)).

A discussion about how to incorporate security for actions was left [here](https://github.com/ros2/design/pull/203). I think a good step would be to brainstorm ideas in this thread and/or open a PR to [ros2/design](https://github.com/ros2/design) adding a section about security to the actions document.





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