Designing Wide Area Networks and Internetworks: A Practical Guide

18. Final Design: Overview

The design process now progresses to phase 4, its last predeployment phase. You have developed the basic design, you have a good handle on the costs of implementation, and your management team has authorized the project to go forward. Are you done? Hardly! To this point, your design is only conceptual. You need to put flesh on the bones.

In creating an oil painting, an artist begins by “roughing in” large areas to reflect the broad outlines of the painting that is to be. The artist then adds successive layers of detail and refinement until satisfied with the overall result.

In particular, your design has reflected a good understanding of the available components, but you have not yet finalized your selection of carriers ...