+----------------------------------+
|       Enterprise Network         |
| +----------+        +----------+ |       +----------+
| |   IPv6   |        |          | |       |   IPv4   |
| |     +    +--------+  NAT64   | +-------+     +    |
| |   CLAT   |        |          | |       |   IPv6   |
| +----------+        +----------+ |       +----------+
+----------------------------------+