+---------------------------------------------+
|       example.com domain       +---------+  |
|                                | AAA     |  |
| +---------------+              | Server  |  |
| | Application   |              +------+--+  |
| | server        +<---------------+    ^     |
| | (DOTS client) |                |    |     |
| +---------------+                |    |     |
|                                  V    V     |   example.net domain
|                            +-----+----+--+  |    +---------------+
| +--------------+           |             |  |    |               |
| |   Guest      +<----x---->+    DOTS     +<----->+    DOTS       |
| | (DOTS client)|           |    gateway  |  |    |    server     |
| +--------------+           |             |  |    |               |
|                            +----+--------+  |    +---------------+
|                                 ^           |
|                                 |           |
| +----------------+              |           |
| | DDoS detector  |              |           |
| | (DOTS client)  +<-------------+           |
| +----------------+                          |
+---------------------------------------------+