The practical, simplified model the real internet is actually built on.
Also called the Internet Protocol Suite. While OSI is a 7-layer conceptual reference model used for teaching and design, TCP/IP is the simpler 5-layer practical model that real-world networking protocols actually map onto.
OSI (7 layers)
TCP/IP (5 layers)
Application, Presentation, Session
Application
Transport
Transport
Network
Network (Internet)
Data Link
Data Link
Physical
Physical
Free for students and teachers
Write notes like this one
Cards for every idea, quizzes and flashcards, read aloud — on the web and your phone.