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TCP/IP Model

The TCP/IP model is a practical four-layer network framework implemented by the Internet. Rather than using seven layers, it organizes networking into four functional layers: Link, Internet, Transport, and Application.

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Updated 2026-09-06

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Anatomy of the Internet: Core Protocols and Packet Delivery @ University of Michigan - Ann Arbor

Ch.1 Networking Fundamentals and Architecture - Anatomy of the Internet: Core Protocols and Packet Delivery @ University of Michigan - Ann Arbor

Layered Models and Encapsulation - Anatomy of the Internet: Core Protocols and Packet Delivery @ University of Michigan - Ann Arbor