PENINGKATAN KETAHANAN JARINGAN MPLS TERHADAP KEGAGALAN LINK DENGAN ALGORITMA PATH PROTECTION ADAPTIF

Ilham Ramadhan, NIM.: 22206051014 (2025) PENINGKATAN KETAHANAN JARINGAN MPLS TERHADAP KEGAGALAN LINK DENGAN ALGORITMA PATH PROTECTION ADAPTIF. Skripsi thesis, UIN SUNAN KALIJAGA YOGYAKARTA.

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Abstract

Multiprotocol Label Switching (MPLS) is a high-speed data transmission technology widely adopted in modern telecommunication infrastructures due to its efficient label switching and support for traffic engineering. However, in real-world deployments, link failures can lead to significant network performance degradation, including increased delay, jitter, packet loss, and recovery time. The conventional Fast Reroute (FRR) mechanism can restore connectivity rapidly, yet its pre-computed backup paths are often suboptimal under actual network conditions at the time of failure. This research proposes the implementation of an Adaptive Path Protection algorithm in MPLS networks to enhance network resilience by dynamically selecting backup paths based on real-time network conditions. Simulations were conducted on topologies with varying numbers of routers (6, 10, 20, 30, 40, and 50 routers) under a single link failure scenario. Performance metrics analyzed include recovery time, end-to-end delay, jitter, and packet loss. Each scenario was tested over 30 trials, directly comparing the results of conventional FRR with Adaptive Path Protection. The results demonstrate that Adaptive Path Protection significantly reduces average end-to-end delay by up to 49,0%, jitter by 89,7%, packet loss by 100%, and improves recovery time up to 71,1% compared to conventional FRR across all scenarios. Therefore, the proposed algorithm offers a more effective alternative for enhancing MPLS network reliability in the face of link failures.

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