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