digraph graphname {
    node [shape=rectangle, style="filled"];

    master [fillcolor="#ff9999", label="master - general files across all hosts (public)"];
    desktop [fillcolor="#ff9999", label="Desktop (public) \n sanitized configs \n personally identifiable \n information removed"];
    laptop [fillcolor="#99ff99", label="Laptop \n (private)"]
    workstation [fillcolor="#99ff99", label="Workstation \n (private)"]
    friendsworkstation [fillcolor="#ffffbb", label="Friend's Workstation \n (private)"]
    prFromFriend [fillcolor="#ff9999", label="Friend opens PR (public)"]

    { rank=same laptop workstation friendsworkstation prFromFriend }

    host2 [fillcolor="#ff9999", label="Router (public) \n documentation\: \n 192.0.2.0\/24, 2001:db8\:\:\/32"];
    host2private[fillcolor="#99ff99", label="Router (private) \n real IPs: 192.168.1.0\/24, \n real assigned 2001 ipv6 GLA range"]
    host3 [fillcolor="#99ff99", label="Router (private) \n real IPs, domains etc"]
    host3 [fillcolor="#ff9999", label="Server (public) \n example.com etc "];
    host3private [fillcolor="#99ff99", label="Server (private) \n realdomain.tld"];
    vm [fillcolor="#ff9999", label="Virtual Machine/Container (public)"];
    vm1 [fillcolor="#99ff99", label="Virtual Machine 1 \n (private)"];
    vm2 [fillcolor="#99ff99", label="Virtual Machine 2 \n (private)"];

    master -> desktop
    desktop -> laptop;
    desktop -> workstation;
    desktop -> friendsworkstation
    prFromFriend -> desktop;
    master -> host2 -> host2private;
    master -> host3 -> host3private;
    master -> vm;
    vm -> vm1;
    vm -> vm2;
}