Tailscale have some great posts on how aspects of our internet infrastructure work and how to work around them. They're all motivating discussions for the desig

Tailscale have some great posts on how aspects of our internet infrastructure work and how to work around them. They're all motivating discussions for the design of Tailscale but the background is excellent: The various techniques for negotiating NAT: https://tailscale.com/blog/how-nat-traversal-works/ https://tailscale.com/blog/how-nat-traversal-works/ How DNS works and why it sometimes doesn't: https://tailscale.com/blog/magicdns-why-name https://tailscale.com/blog/magicdns-why-name