The ovf cloud instance is registrated in DNetDB with its Public IP address and Public Key.
The Overlay Foundation (OVF) is the cloud backend for the dnet. The Tinc VPN node is configured as server with 50069 port open listening for incoming protocol messages from the Tinc VPN App. The Tinc enduser node retrieves the ovf info from block chain and has a configuration item ConnectTo
pointing to this OVF Public Address or domain name.
A public IP address is needed for ovf node, and it can be:
The DNet Driver automatically pulls the authroized dnet list from blockchain every 100 seconds and add the nodes' PubKey to ovf instance's hosts folder.