Learn about custom DERP servers, their limitations, and how to set them up.| Tailscale
Learn how to set up high availability (HA) for subnet routers and app connectors.| Tailscale
Learn how NAT traversal works, how Tailscale can get through and securely connect your devices directly to each other.| tailscale.com
Understand the entire Tailscale system, how it works, how we built it, and its benefits compared to legacy VPNs. Use this article as a guide to quickly build your own Tailscale replacement.| tailscale.com