Chapter 9. IPsec and SSL VPN Design
Upon completing this chapter, you will be able to
• Discuss design considerations for remote-access VPNs
• Discuss design considerations for site-to-site VPNs
• Discuss technologies for implementing VPNs
• Discuss managing and scaling VPNs
This chapter reviews virtual private network (VPN) design in the enterprise. VPNs are networks deployed on a public or private network infrastructure. VPNs are useful for telecommuters, mobile users, and remote offices. Customers, suppliers, and partners also find them useful.
For enterprises, VPNs are an alternative WAN infrastructure, replacing or augmenting existing private networks that use dedicated WANs based on leased-line, Frame Relay, ATM, or other technologies. ...