+--------------+
                            | Multi-Domain |
                            | Controller   |
                            +---+------+---+
                                |      |
                   +------------+      |
                   |                   +-----------+
            +------V-----+                         |
            |            |                         |
            | TE Domain  |                  +------V-----+
            | Controller |                  |            |
            |      1     |                  | TE Domain  |
            +------+-----+                  | Controller |
                   |                        |      2     |
                   |                        +------+-----+
          .........V..........                     |
          :                  :                     |
         +-----+             :                     |
         |     |             :            .........V..........
         |  X  |             :            :                  :
         |     |          +-----+      +-----+                :
         +-----+          |     |      |     |               :
          :               |  C  |------|  E  |               :
      +-----+    +-----+ /|     |      |     |\ +-----+    +-----+
      |     |    |     |/ +-----+      +-----+ \|     |    |     |
      |  A  |----|  B  |     :            :     |  G  |----|  H  |
      |     |    |     |\    :            :    /|     |    |     |
      +-----+    +-----+ \+-----+      +-----+/ +-----+    +-----+
          :               |     |      |     |               :
          :               |  D  |------|  F  |               :
          :               |     |      |     |          +-----+
          :               +-----+      +-----+          |     |
          :                  :            :             |  Y  |
          :                  :            :             |     |
          :   TE domain 1    :            : TE domain 2 +-----+
          :..................:            :.................: