O'Reilly logo

Network Sales and Services Handbook by Matthew J. Castelli

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 14. Network Architecture Introduction

The following topics are covered in this chapter:

  • Network Devices

  • Hierarchical Network Model

  • WAN Oversubscription

Networks can be broken down into four categories, depending on the geographic relation of the network components. These four network categories are as follows:

  • Wide Area Network (WAN)—. WANs use interconnections that span geographically separate networks. Figure 14-1 illustrates a WAN.

    Figure 14-1. WAN

    Figure 14-1. Figure 14-1. WAN

  • Campus Area Network (CAN)—. CANs interconnect local area networks (LANs) within a limited geographical space, such as a school campus or a military base. CANs are illustrated in Figure ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required