graph G {
        concentrate=true;
    	graph [dpi=100, fontname="helvetica" ]; 
	node [fontname="helvetica"];
	edge [fontname="helvetica"];


	subgraph cluster0 {
		label="Galera Cluster";
		color="lightgrey";

		GaleraNode1 [label="Node 1\nSouth UK"];
		GaleraNode2 [label="Node 2\nIreland"];
		GaleraNode3 [label="Node 3\nNetherlands"];

		GaleraNode1 -- GaleraNode2;
		GaleraNode2 -- GaleraNode3;
		GaleraNode1 -- GaleraNode3;
	}

	subgraph cluster1 {
		label="Corda";
		color="lightgrey";
		NotaryNode [label="Notary Node\nJDBC Uniqueness Provider"];
	}

	NotaryNode -- GaleraNode1;
}