Basically it is managed Wireguard. Tailscale does say it, but it is buried under...

walthamstow · 2025-12-24T10:40:03 1766572803

It's also P2P mesh rather than hub and spoke which is quite important

SOLAR_FIELDS · 2025-12-24T14:57:52 1766588272

It’s worth pointing out that it can be both. The hub and spoke model, relays, is often used for cloud setups where the overhead of installing clients on nodes is not worth the tradeoff

quaintdev · 2025-12-24T09:26:52 1766568412

This. People are doing the same thing that OP mentioned in this thread.