digraph {
   rankdir = "LR";
   Share0 -> Server0;
#   Share0 -> Server1, Server2 [color=red];
   Share1 -> Server1;
#   Share1 -> Server0, Server2 [color=red]
#   Share2 -> Server0, Server1, Server2 [color=red];

   { rank = same; Share0; Share1; Share2 }
   { rank = same; Server0; Server1; Server2 }
}
