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All Journal Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control
Kholil Romadhoni, Mufti
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering

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Performance Evaluation of Outgoing Interface Selection Method on Fortigate SD-WAN for Network Optimization Kholil Romadhoni, Mufti; Kenanga, Larynt Sawfa; Akbi, Denar Regata; Risqiwati, Diah
Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control Vol. 10, No. 2, May 2025
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/kinetik.v10i2.2120

Abstract

Reliable and high-performance network services are essential to facilitate communication between parent companies and subsidiaries as well as among the subsidiaries themselves. Challenges arise in managing and optimizing outgoing interface selection in an effective and reliable Software-Defined Wide Area Network (SD-WAN) environment. This research evaluates four outgoing interface selection methods, namely Manual, Best Quality, Lowest Cost, and Maximize Bandwidth (SLA), using a tree-based network topology simulated in GNS3 with FortiGate devices as part of the simulation. The results show that under simulated disturbances, such as limiting a single connection line to 10 kbps, the Manual, Best Quality, and Lowest Cost methods perform worse than the Maximize Bandwidth method. In contrast, the Maximize Bandwidth method outperformed the others, achieving only 0% packet loss, 22.275 ms one-way delay, and 7.03 ms jitter, while maintaining the ITU-T G.1010 standard at the preferred level. These findings highlight the reliability and effectiveness of the Maximize Bandwidth method in ensuring consistent data transmission even under fault conditions, while providing practical guidance for network engineers in configuring SD-WAN for uninterrupted high-quality network services in complex business environments.
Co-Authors Akbi, Denar Regata Diah Risqiwati Kenanga, Larynt Sawfa