Virtual Private Network and Tunnel Technic Research
Fengdeng Zhang · Computer Knowledge and Technology · 2009
The paper expounds Virtual Private Network and core technic-tunnel technic. First, it introduces the producing background, the functions that can be realized and the key technology of VPN; then, analyzes tunnel technology and tunnel protocols to VPN, and emphasizes work principle of the second tunnel protocol and the third tunnel protocol IPsec; last, shows the advantages and applications of VPN.