Network Protocols Explained for Practitioners
Network Protocols Explained for Practitioners Network protocols are the rules that guide data as it moves between devices. For practitioners, knowing the basics helps diagnose problems, plan networks, and pick the right tools. By understanding what each protocol does, you can spot bottlenecks and design safer, faster connections. Most people start with the TCP/IP stack, which spans four layers: Link, Internet, Transport, and Application. The OSI model offers a helpful map with seven layers. Real networks mix ideas from both, using them as guides rather than strict rules. ...