+-----------+                          +-----------+
   |Web Server |                          |Web Client |
   +-----+-----+                          +-----+-----+
         |                                      |
         |                                      |
   +-----+-----+                          +-----+-----+
   |HTTP Server|                          |HTTP Client|
   +-----+-----+                          +-----+-----+
         |                                      |
         |                                      |
         +---------------Internet---------------+