____+----+
           +----+        _____    /    | ES3|
           | ES1|____   /     \__/     +----+___
           +----+    \ /                        \
                      +                          |
              ____     \                        _/
+----+     __/    \     +__  DetNet IP domain  /
| ES2|____/  L2/L3 |___/   \         __     __/
+----+    \_______/         \_______/  \___/