# Introduction

This module presents a subset of the mathematical topic known as
*graph theory*. You then will be shown how you can put a
knowledge of this area of mathematics to use in a concrete
application: **routing in computer and telephone
networks**.

*The Network As A Graph*How do we ensure that all nodes in a network will be able to communicate quickly and reliably?

## Getting Started

Navigate through this module using the "PRIOR" and "NEXT" buttons at the top left of your browser window. You may also jump from section to section by clicking any active link on the sidebar on the left.

Before proceeding, you may wish to glance at the Project Links technical requirements page. If you are using a browser capable of handling the Project Links module format (Internet Explorer 5.0+ for Windows currently is the preferred browser), and your monitor resolution settings are appropriate, you are ready to begin!