Chapter 15 / 15.7

15.7 THE MODERN INTERNET

The Internet has evolved from a small research network into a global communication system interconnecting billions of devices. It supports an extraordinary range of services, including web browsing, electronic commerce, cloud computing, video streaming, voice communication, industrial automation, and the rapidly expanding Internet of Things (IoT). Although these services appear very different to users, they all rely upon the same fundamental internetworking principles introduced in this chapter.