Foundations

The article explains the fundamentals of how the Internet works, emphasizing its role as the backbone of the Web. It describes the Internet as a vast network of interconnected computers and outlines its evolution from a 1960s military project to a public infrastructure in the 1980s. Key concepts include the connection of computers through physical (Ethernet) or wireless (Wi-Fi) means, the role of network switches and routers in facilitating communication, and the distinction between the Internet as an infrastructure and the Web as a service built upon it. Additionally, it discusses unique computer identifiers (IP addresses) and domain names for ease of access, highlights private networks (intranets and extranets), and points to further resources for understanding web mechanics.

Source synthétisée — 6/4/2026