Chapter 1. Network Design Methodology

This chapter covers the following subjects:

Cisco Architectures for the Enterprise

Prepare, Plan, Design, Implement, Operate, and Optimize Phases

Identifying Customer Requirements

Characterizing the Existing Network

Designing the Network Topology and Solutions

Networks can become complex and difficult to manage. Network architectures and design methodologies help you manage the complexities of networks. This chapter provides an overview of Cisco’s architectures for the enterprise and the Prepare, Plan, Design, Implement, Operate, and Optimize (PPDIOO) network life cycle. This chapter also describes the six network life cycle phases and steps in design methodology.

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