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All Journal RABIT: Jurnal Teknologi dan Sistem Informasi Univrab Jurnal Riset Informatika
Joko Irawan
Politeknik Negeri Indramayu
Computer Science & IT Engineering

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ANALISIS KUALITAS WEBSITE PT.POS INDONESIA MENGUNAKAN PENDEKATAN WEBQUAL 4.0 MENURUT PERSEPSI ONLINE SELLER Apit Priatna; Arif Maulana Yusuf; Ulia Rahma; Vera Wati; Muhammad Edi Iswanto; Joko Irawan
Rabit : Jurnal Teknologi dan Sistem Informasi Univrab Vol 11 No 2 (2026): Juli
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/rabit.v11i2.7713

Abstract

The rapid development of information technology encourages companies to utilize websites as a medium for providing information and services to users effectively and efficiently. PT. Pos Indonesia, as a courier and logistics service company, utilizes its website to provide various digital services such as tariff information, service coverage areas, and shipment tracking. However, several issues related to website quality have been identified based on user experiences. This study aims to analyze the quality of the PT. Pos Indonesia website based on user perceptions, particularly among online sellers in Karawang Regency. The method used in this study is Webqual 4.0, which measures website quality based on three main dimensions: usability, information quality, and service interaction quality. This research employs a quantitative approach with data collection conducted through questionnaires distributed to 100 respondents who are users of the PT. Pos Indonesia website. The data were analyzed using descriptive statistics and the Importance Performance Analysis (IPA) method to determine the level of conformity between the importance and performance of website services. The results show that the average importance score is 4.39, while the average performance score is 3.03, resulting in a gap value of -1.36. The negative gap value indicates that the quality of the PT. Pos Indonesia website has not fully met user expectations. Therefore, improvements are required in several website service attributes in order to enhance digital service quality and user satisfaction.
IMPLEMENTATION OF SOFTWARE DEFINED NETWORKING FOR SIMULATION AND ANALYSIS OF DDOS ATTACKS ON SCHOOL NETWORKS Arif Maulana Yusuf; Muhammad Edi Iswanto; Joko Irawan; Robi Robiyanto; Willy Permana Putra
Jurnal Riset Informatika Vol. 8 No. 4 (2026): September 2026
Publisher : Kresnamedia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34288/jri.v8i4.553

Abstract

The development of digital services in school environments has increased the importance of network security, particularly in addressing Distributed Denial of Service (DDoS) attacks that can disrupt network service availability. This study aims to develop a school network security simulation based on Software Defined Networking (SDN) and analyze the characteristics of normal traffic and DDoS attack traffic. The research method employed is an experimental approach through network simulation using the Mininet emulator and Ryu Controller. The study began with identifying school network security requirements, followed by designing the SDN network topology, implementing the simulation environment, generating normal traffic, and simulating DDoS attacks using the TCP SYN Flood method. Data collection was conducted using Wireshark, tcpdump, and SDN controller logs to obtain traffic parameters such as throughput, packet loss, delay, jitter, and packet rate. The results showed that normal traffic had an average throughput of 320 Kbps with stable network conditions, while during DDoS attacks the throughput increased significantly to 9.8 Mbps, accompanied by substantial increases in packet loss, delay, and jitter. These findings indicate that DDoS attacks directly affect the quality of school network services. Furthermore, the SDN architecture provides centralized traffic monitoring capabilities, making it a promising approach for developing DDoS detection and mitigation systems in school networks.
Co-Authors Apit Priatna Arif Maulana Yusuf Muhammad Edi Iswanto Robi Robiyanto Ulia Rahma Vera Wati Willy Permana Putra