1digraph G {
2   rankdir=LR;
3   rank=same;
4   bgcolor="transparent";
5   uservml1 [label="User VM OS\nBootloader"]
6   acrn_init [shape=box style="rounded,filled" label="ACRN"]
7   acrn_switch [shape=box style="rounded,filled" label="ACRN"]
8   uservml2 [label="User VM OS\nBootloader"]
9   uservml1 -> acrn_init -> "Trusty" -> acrn_switch -> uservml2;
10}
11
12