Chapter 1. Assessing Enterprise Legacy WANs and IPVPN Migration

Chapter 1. Assessing Enterprise Legacy WANs and IP/VPN Migration

This chapter covers the following topics:

• Reviewing the current state of enterprise networks

• Reviewing the evolutionary change of enterprise networks

• Exploring the Acme scenario: a global manufacturing example

• Evaluating and comparing new WAN technologies

• Evaluating and comparing convergence services

This chapter frames the current state of enterprise networks, identifies shifting business and application requirements, and describes options that the enterprise network architect can use to optimize the network for business requirements.