digraph G {
    node [ shape=box, fontcolor="#ffffff", color="#40a9e3", style="filled"  ]

    label="The VIWVIB in action"
    node [ shape=box ]

#    rankdir=LR


    ipv6internet [ label="The IPv6 Internet" shape=oval ]
    ipv4internet [ label="The IPv4 Internet" shape=oval ]
    ipv6vpn [ label="IPv6VPN.ch\nIPv6 via wireguard" shape=oval ]

    lan [ label="Your regular LAN" shape=oval ];
    lan_v6 [ label="IPv6 only lan" shape=oval ]

    lanclients [ label="Clients in the lan" ]
    lan_v6_clients [ label="IPv6 only clients" ]

    wificlients [ label="WiFi clients" ]
    wifi [ label="IPv6 only wifi\n'IPv6 everywhere'" shape=oval ]


    subgraph cluster_viwib {
        viwib [ label="The VIWIB" color="#ee1100" ];
        viwib_lan [ label="LAN Port" color="#ee1100" ];
        viwib_wan [ label="WAN Port" color="#ee1100" ];
        viwib_wifi [ label="WiFi" color="#ee1100" ];

        viwib->{viwib_lan,viwib_wan,viwib_wifi};
    }

    viwib_wan->ipv4internet [ label="Connects to" ]
    ipv4internet->ipv6vpn [ label="Connected to" ]

    viwib_lan->lan_v6 [ label="Creating IPv6 only LAN" style=dashed ]
    viwib_lan->lan [ label="Enabling existing LAN with IPv6" style=dashed ]

    lan_v6_clients->lan_v6 [ label="Assign themselves IPv6" ]
    lanclients->lan [ label="Assign themselves IPv6" ]

    {lan_v6,wifi}->ipv4internet [ label="via DNS64/NAT64" style=dashed ]
    {lan_v6,wifi}->ipv6internet [ label="Direct access" ]

    ipv6vpn->viwib [ label="Gets /48 IPv6 network via VPN" ]


    viwib_wifi->wifi [ label="Provides IPv6 only WiFi" ]
    wificlients->wifi [ label="Assign IPv6 address themselves" ]
    wifi->ipv6internet [ label="Connect to" ]


    ipv6vpn->ipv6internet [ label="Is connected to" ]

    // ipv6internet->{wificlients,lanclients} [
    //     label="SSH, HTTP, HTTPS\nports are open" ]
}



#    viwib_wan->lan [ label="1. Gets IPv4 via cable" ]
#    viwib->ipv6vpn [ label="Connect the VPN to IPv6VPN.ch" ]