+-----------+  mit "normaler URL"      +-------------+    +------------+
  | Request   | ---------------------->  | Modul od.   | -> | Browser    |
  +-----------+                          | Skript      |    +------------+
                                         +-------------+
                                             |     ^
                                     Aufruf  |     | HTML
                                             v     |
                                         +-------------+
                                         | altes CGI-  |
                                         | Skript      |
                                         +-------------+