graph "1x1" {
	layout="neato";
	overlap="false";
	esep="+80";

        node [shape=record, fontname="DejaVu Sans Mono, Book"];
	edge [color="cornflowerblue", penwidth="2", fontname="DejaVu Serif, Book"];

	host [
	    label="host | { <mgmt> mgmt }",
	    pos="0,12!",
	    requires="controller",
	];

        target [
	    label="{ <mgmt> mgmt } | target",
	    pos="10,12!",

	    requires="infix",
	];

	host:mgmt -- target:mgmt [requires="mgmt", color="lightgray"]
}