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Thursday, 22 March 2018

Application Specific Tunneling Protocol Selection for Virtual Private Networks

The application scope of VPN is increasing day by day as the organizations are creating private networks through public Internet using VPN tunneling instead of leased line. VPN protocols are classified into site-to-site and remote access VPN which exhibits different set of characteristics in terms of security mechanism. But there is no VPN preferences based on the organizational application requirements. In this paper, different VPN tunneling protocols like GRE, IPSec, PPTP and L2TP with IPSec are analyzed to measure the performance in terms of throughput, RTT, Jitter and security parameters. The results
exhibits that, GRE is preferable for delay and bandwidth sensitive application in context of site to site VPN and L2TP is more effective than PPTP for remote access VPN.

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