For the practical coding section, we’re looking at a very simple eCommerce style of application, as illustrated in Figure 1. A client user is accessing a web server by using an ecommerce program. For this article, we’ll be writing a very simple skeleton program that plays the role of the eCommerce program.
Figure 1 An eCommerce application operating over the Internet.
The user of the machine in the lower-left corner of Figure 1 drives the interaction with the eCommerce program.