Adila, Mar'atul (2026) Pengembangan Algoritma Utility Based Protocol Pada DTN Untuk Emergency Dissemination Alert Pada Transportasi Terintegrasi Di Kota Jakarta. Masters thesis, UPN Veteran Jawa Timur.
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Abstract
In Delay Tolerant Networks (DTNs), intermittent connectivity forces message delivery to rely heavily on opportunistic node encounters. The widely used Spray and Wait (SnW) protocol controls message replication effectively, but lacks adaptability to dynamic network conditions. This study introduces Adaptive Spray and Wait (ASW), a utility-based forwarding approach that evaluates relay candidates using geographic proximity, buffer availability, and remaining TTL. ASW is implemented independently in The ONE Simulator and tested under three buffer management policies: FIFO, LIFO, and Random Drop. Simulation results show that ASW consistently improves delivery probability, particularly within the 16–30 second interval, achieving average gains of 6% (FIFO), 9% (LIFO), and 40% (Random) over SnW. ASW also reduces overhead ratio by 9–20% compared to SnW and is 98–99% more overhead-efficient than Epidemic. Hop count values indicate shorter and more optimal forwarding paths, while increased buffer time contributes positively to delivery performance. Overall, ASW provides a better balance of efficiency and reliability in dynamic DTN environments. Keywords: Delay Tolerant Network, Utility Based Protocol, Buffer Management, Emergency Dissemination Alert, Spray and Wait, Epidemic ONE Simulator
| Item Type: | Thesis (Masters) | ||||||||||||
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| Subjects: | T Technology > T Technology (General) > T58.6-58.62 Management Information Systems | ||||||||||||
| Divisions: | Faculty of Computer Science > Magister Information Technology | ||||||||||||
| Depositing User: | Mar'atul Adila | ||||||||||||
| Date Deposited: | 27 Jan 2026 01:29 | ||||||||||||
| Last Modified: | 27 Jan 2026 08:38 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/49200 |
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