The Internet is a global network of interconnected networks from "summary" of Data Communications and Networking by Behrouz A. Forouzan
The Internet can be visualized as a vast network that connects millions of computers worldwide. It is a global network of interconnected networks, each consisting of a collection of computers that can communicate with one another. These interconnected networks form a complex web of communication links that enable data to be transmitted across vast distances in a matter of seconds. At the heart of the Internet are routers, which are specialized computers that forward data packets from one network to another. These routers are connected to one another through high-speed communication links, forming the backbone of the Internet. Through this network of routers and communication links, data can travel from one end of the world to the other, passing through multiple networks along the way. ...
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