Chapter 1. Network Design

Part I of this book is composed of this chapter. It describes the network design process and two network design models, and includes the following sections:

• What Is Design?

• Design Principles

• Modular Network Design

This chapter discusses design and the various methodologies for designing today's networks.

Note

Appendix B, "Network Fundamentals," is a refresher of topics that you should understand before reading this chapterand the rest of the book. Appendix B includes the following topics:

• Introduction to networks

• Protocols and the OSI model

• LANs and WANs

• Network devices

• Introduction to the TCP/IP suite

• Routing

• Addressing

You are encouraged to review any of the material in Appendix B that you are not familiar with before reading the rest of this chapter.