graph G { node [ shape=box, fontcolor="#ffffff", color="#40a9e3", style="filled" ] label="IPv4 as a service\n(simplified)\nby ungleich.ch" concentrate=true client [ label="Notebook, Desktop,\nServer, IoT device" color="#ee1100" ] ipv4internet [ label="IPv4 Internet" shape=oval ] ipv6internet [ label="IPv6 Internet" shape=oval ] ipv6internet--client [ label="Access via VPN" ] ipv4internet--client [ label="Access via NAT64 translator" ] }