ZeroTier is a software defined networking layer for Earth.
It can be used for on-premise network virtualization, as a peer to peer VPN for mobile teams, for hybrid or multi-data-center cloud deployments, or just about anywhere else secure software defined virtual networking is useful.
This is a companion discussion topic for the original entry at https://copr.fedorainfracloud.org/coprs/atim/zerotier-one/