digraph techviz {
  graph [rankdir=LR, splines=ortho, nodesep=0.55, ranksep=0.85];
  node [fontname=Helvetica, fontsize=11, margin="0.18,0.12", style="rounded,filled", fillcolor=white, color="#2d4357", penwidth=1.5];
  edge [fontname=Helvetica, fontsize=10, color="#364b5f", penwidth=1.4, arrowsize=0.75];
  subgraph cluster_0 {
    label="Guest";
    style="rounded,dashed";
    color="#66788a";
    n0 [label="Keycloak · PostgreSQL", shape=box, style="rounded,dashed,filled"];
    n1 [label="Guest TLB", shape=box, style="rounded,filled"];
    n2 [label="Guest Page Table", shape=box, style="rounded,filled"];
  }
  subgraph cluster_1 {
    label="Host RAM";
    style="rounded,dashed";
    color="#66788a";
    n4 [label="Host Physical Memory", shape=box, style="rounded,filled"];
    n5 [label="NUMA Node 0", shape=box, style="rounded,filled"];
    n6 [label="NUMA Node 1", shape=box, style="rounded,filled"];
  }
  n3 [label="EPT", shape=box, style="rounded,filled"];
  n0 -> n1 [label="GVA", style=solid];
  n1 -> n2 [label="TLB Miss", style=solid];
  n2 -> n3 [label="VM Boundary", style=solid];
  n3 -> n4 [label="HPA", style=solid];
  n4 -> n5 [label="Physical Page", style=solid];
  n4 -> n6 [label="Physical Page", style=solid];
}