Chapter 2. The TCP/IP and OSI Networking Models

This chapter covers the following subjects:

TCP/IP Networking Model: This section explains the terminology and concepts behind the world’s most popular networking model, TCP/IP, including several example protocols: HTTP, TCP, IP, and Ethernet.

OSI Networking Model: This section explains the terminology behind the OSI networking model in comparison to TCP/IP.

You can think of a networking model as you think of a set of architectural plans for building a house. Sure, you can build a house without the architectural plans, but it will work better if you follow the plans. And because you probably have a lot of different people working on building your house, such as framers, electricians, bricklayers, ...

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