Can you say more about the nav stack? I thought nav2 was considered one of the better more mature packages in ROS2, but it's not my area of expertise.

| As robotics moves toward end-to-end AI systems, stuff needs to stay on GPU memory, not shuttled back and forth across processes through a networking stack.

NVIDIA actually is addressing this with NITROS: https://nvidia-isaac-ros.github.io/concepts/nitros/index.htm...

And ROS native buffers: https://discourse.openrobotics.org/t/update-on-ros-native-bu...