Using Tailscale as the IP Underlay for Reticulum
Reticulum does not need Tailscale, but its TCP interfaces can use a Tailscale path just like any other private IP network.
TCPInterface
What Happens to Reticulum When the Tailscale Path Drops and Returns
The useful property is not that the IP path never fails; it is that the transport can recover without redefining the whole Reticulum network.