TCP/IP Features

TCP/IP includes many important features that you’ll learn about in this book. In particular, pay close attention to the way the TCP/IP protocol suite addresses the following problems:

  • Logical addressing

  • Routing

  • Name resolution

  • Error control and flow control

  • Application support

These issues are at the heart of TCP/IP. The following sections introduce these important features. You’ll learn more about these features later in this book.

Logical Addressing

A network adapter has a unique and permanent physical address. The physical address (which is sometimes called a MAC address) is a number that was given to the card at the factory. On a local area network, low-lying hardware-conscious protocols deliver data across the physical network ...

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