Performance comparison of IPsec and TLS based VPN technologies

IPsec and TLS based VPN technologies are widely used in nowadays networks. But one can hardly find information about their performance, especially compared to each other. So when there was a speed and delay sensitive interconnection project, a direct performance comparison had to be performed. This article realizes a performance comparison of Open VPN and IPSec based VPN; we measure what throughput each protocol can provide on given hardware while using the same cipher and key length.