How the Internet Works, Eighth Edition

Chapter 4. Understanding the Internet’s Software Structure

The Internet works on the client/server model of information delivery. In a client/server model, the client computer connects to a server computer on which information resides; the client depends on the server to deliver information. In effect, the client requests the services of the server computer. These services can involve searching for information and sending it back to the client, such as when a database on the Web is queried. Other examples of these services are delivering web pages and handling incoming and outgoing email. Whenever you use the Internet, you’re connected ...