Abstract
The different benefits of WLANs have achieved their massive implementation in different sectors: domestic business and intelligent cities, among others. However, security in data transmission is one of their biggest problems, as they are more susceptible to suffer different types of wireless network attacks. This disadvantage motivates users to use Virtual Private Networks (VPN) in order to reinforce the security of the data in the network. VPN overload data traffic including another layer, in this article presents the evaluation of VPN QoS parameters over a Wireless Network (WLAN), using different Raspberry Pi models. Additionally, we analyzed the QoS parameters with different traffic conditions and the CPU consumption in the VPN. The contribution of the results and their analysis determine the correlation between the parameters and the Raspberry Pi models. Getting better performance on Raspberry Pi Zero and Raspberry Pi 2.
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