How to use ipsec on a LAN without vpn

Question

Is it possible to transfer data between computers (Windows 7) in a LAN using IPSEC (for authentication and encryption) but without VPN? If yes how? All the information I found related to possible solutions include VPN.

Answer 1

It is the best site I found related to the question: http://www.it.cornell.edu/services/managed_servers/howto/ipsec.cfm