In Chapter 7, "Virtual Private Networks," we addressed the basics of VPN technologies. This chapter discusses VPN integration, which refers to how these VPN technologies can be incorporated into the security perimeter. VPN integration is a complex subject because so many types of VPN solutions are available, and each one has many potential implementation issues. Without a good understanding of VPN integration, you will be ill-prepared to design or deploy VPN in your environment.
In this chapter, we look at several VPN options:
For each type of VPN, we examine the following:
We also discuss other advanced VPN integration topics. Finally, we look in depth at a case study that presents a real-world scenario and demonstrates the advantages and disadvantages of three potential solutions.