".. it needs a central server." There is a PDF by the original author that explains the difference from "VPNs". A reachable IP address and a TAP device are th

".. it needs a central server." There is a PDF by the original author that explains the difference from "VPNs". A reachable IP address and a TAP device are the only requirements. For example, two edges can also be supernodes. A third party supernode would only be needed for the initial connection. Once connected, then each can use the supernode run by the other. The third party is no longer needed. No central server. As for DHT, who runs the DHT bootstrap server? Do DHT users run their own bootstrap servers? Do users exercise any control over the DHT? Who does?