Chapter 7. WAN Design

This chapter covers the following subjects:

• Traditional WAN Technologies

• Remote-Access Network Design

• VPN Network Design

• Enterprise VPN vs. SP VPN

• WAN Backup Design

• Enterprise WAN Architecture

• Enterprise WAN Components

• Enterprise Branch Architecture

• Enterprise Teleworker Design

This chapter covers wide-area network (WAN) designs for the enterprise WAN and enterprise branch architecture. It starts out by reviewing traditional WAN technologies and network topologies. Remote-access design is examined with an emphasis on virtual private networks (VPN). Next, enterprise VPNs are compared and contrasted with service provider VPNs. Then, this chapter covers WAN architecture, WAN components, and WAN backup design. ...

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