N2N is an open source layer 2/3 VPN application. Unlike many other VPN programs, N2N can connect computers which are located behind a NAT router. This offers a huge advantage to connect to a cloud environment without having to rely on special protocols such as the ESP protocol (used by ipsec). To achieve this connection, N2N uses a supernode which can route the information between NAT'ed nodes. This VPN connection can be used to connect multiple Vultr instances across regions together. * Three U......