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All Journal Journal of Advanced Computer Knowledge and Algorithms
Ahmad Tamim Ahmadi
Kabul University
Computer Science & IT

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Journal : journal of advanced computer knowledge and algorithms

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A Comparative Analysis of OpenVPN, WireGuard, and IKEv2/IPSec Using Ubuntu 24.04 LTS Ahmad Tamim Ahmadi; Sebghatullah Aslamzai
Journal of Advanced Computer Knowledge and Algorithms Vol. 3 No. 3 (2026): Journal of Advanced Computer Knowledge and Algorithms - July 2026
Publisher : Department of Informatics, Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jacka.v3i3.27573

Abstract

This paper presents a rigorous comparative analysis of three widely-used VPN protocols — OpenVPN, WireGuard, and IKEv2/IPSec — implemented and benchmarked on Ubuntu 24.04 LTS within a controlled VirtualBox virtualised environment on a Dell Inspiron 15 with 8 GB RAM. Each protocol was evaluated across throughput (iperf3, 30-second runs, 10 iterations), latency (ping, 100 packets), CPU utilisation, and packet jitter. Security was assessed via a structured feature matrix covering encryption, forward secrecy, authentication flexibility, formal verification, code complexity, and DPI resistance. WireGuard achieves the highest throughput (22.9 Mbps mean), lowest latency (4.7 ms), and minimal CPU footprint (9.8% server, 8.3% client). IKEv2/IPSec PSK delivers strong mid-range performance (16.8 Mbps, 8.2 ms). OpenVPN TCP/443 provides unique deep-packet-inspection evasion at a performance cost (8.7 Mbps, 14.3 ms). All three protocols provide AES-256-class encryption and perfect forward secrecy. Deployment scenario recommendations are provided for enterprise, performance-critical, and censorship-circumvention contexts.
Co-Authors Sebghatullah Aslamzai