cgi.dot

digraph cgi{
    fontname="Consolas";
    fontsize=10;

    node [shape="Mrecord", fontname="Consolas", fontsize=10];
    edge [color="#4788C7", fontname="Consolas", fontsize=10];

    chrome [shape="none", image="browser-icon-chrome-resized.png", label=""];
    firefox [shape="none", image="browser-icon-firefox-resized.png", label=""];

    apache [label="Apache httpd", style="filled", color="#FBD20A"];
    cgi [label="CGI script", style="filled", color="#4BB449"];

    node [color="#E7463D"];
    static [label="Static Resources", shape="note"];
    dynamic [label="Dynamic Resources", shape="note"];
    database[label="Database", shape="box3d"];
    remote [label="Remote Services", shape="box3d"]

    firefox -> apache [label="HTTP Request"];
    chrome -> apache [label="HTTP Request"];
    apache -> cgi [label="fork-exec"];

    cgi -> static [label="Access content"];
    cgi -> dynamic [label="Access content"];
    dynamic -> remote [label="RESTful/SOAP"];
    cgi -> database[label="Access Database for content"];
}