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