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Software watchdog examples

Based on a previous discussion in the Safety Critical WG, I put together a set of software watchdogs based on DDS Quality of Service (QoS) policies and ROS 2 lifecycle nodes. The current draft is maintained at Could we add this to the agenda for this week’s Safety WG meeting @gbiggs?

Thanks to @joespeed for helping with the understanding of the DDS QoS policies and their implementation differences.

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Sure, let’s discuss it.