(           )
                       (_    WAN    _)
                    +---(_         _)----+
                    |     (_      _)     |
              PE1   |                PE2 |
             +------+----+          +----+------+
        TS1--+  (BD-1)   |          |  (BD-1)   +--TS2
             |REPLICATOR |          |REPLICATOR |
             +--------+--+          +--+--------+
                      |                |
                   +--+----------------+--+
                   |                      |
                   |                      |
              +----+ VXLAN/NVGRE/MPLSoGRE +----+
              |    |      IP Fabric       |    |
              |    |                      |    |
    NVE1      |    +-----------+----------+    |      NVE3
    Hypervisor|          ToR   |  NVE2         |Hypervisor
    +---------+-+        +-----+-----+       +-+---------+
    |  (BD-1)   |        |  (BD-1)   |       |  (BD-1)   |
    |LEAF-set-1 |        |LEAF-set-1 |       |LEAF-set-2 |
    +--+-----+--+        +--+-----+--+       +--+-----+--+
       |     |              |     |             |     |
      VM11  VM12           TS3   TS4           VM31  VM32