Types of IPsec VPNs

There are a number of ways to categorize IPsec VPNs. However, it is instructive to look at IPsec in light of the two main VPN design issues it tries to resolve:

  • The seamless connection of two private networks to form one combined virtual private network

  • The extension of a private network to allow remote-access users (also known as road warriors) to become part of the trusted network

Based on these two designs, IPsec VPNs can be divided into two main categories:

  • LAN-to-LAN IPsec implementations (also known as site-to-site VPNs)

  • Remote-access client IPsec implementations

LAN-to-LAN IPsec Implementations

LAN-to-LAN IPsec is a term often used to describe an IPsec tunnel created between two LANs. These are also called site to site ...

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