example.net domain
                     . . . . . . . . . . . . . . . . .
                     .    Gn                         .
       +----+    1   .  +----+       +-----------+   .
       | Cc |<--------->| Sn |~~~~~~~| Mitigator |   .
       +----+        .  +====+       |     Mn    |   .
                     .  | Cn |       +-----------+   .
     example.com     .  +----+                       .
        client       .    ^                          .
                     . . .|. . . . . . . . . . . . . .
                          |
                        2 |
                          |
                     . . .|. . . . . . . . . . . . . .
                     .    v                          .
                     .  +----+       +-----------+   .
                     .  | So |~~~~~~~| Mitigator |   .
                     .  +----+       |     Mo    |   .
                     .               +-----------+   .
                     .                               .
                     . . . . . . . . . . . . . . . . .
                     example.org domain