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All Journal Jurnal Ilmiah Merpati (Menara Penelitian Akademika Teknologi Informasi) JOIV : International Journal on Informatics Visualization
I Made Sunia Raharja, I Made Sunia
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Computer Science & IT

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Website Quality Analysis Using WebQual 4.0, Customer Satisfaction Index, and Importance Performance Analysis Adhigamika, Dewa Putu Surya; Pratama, I Putu Agus Eka; Raharja, I Made Sunia
Jurnal Ilmiah Merpati (Menara Penelitian Akademika Teknologi Informasi) Vol 12 No 1 (2024): Vol. 12, No. 1, April 2024
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JIM.2024.v12.i01.p02

Abstract

The development of technology is currently growing rapidly in various aspects of human life, including in the field of education such as the creation of academic information systems. The study aims to analyze the quality of service on the SISAKTI-NG website based on user expectations and website performance. Question indicators in making questionnaires refer to three dimensions, namely: usability, information quality and interaction quality in the WebQual 4.0 Method by distributing questionnaires to 100 respondents. Analysis of website quality using the Customer Satisfaction Index Method to analyze satisfaction with SISAKTI-NG services and the Importance Performance Analysis Method to analyze the quality of SISAKTI-NG services and obtain indicators that require improvement and are maintained based on the perceptions and expectations of website users. The results show that the satisfaction of SISAKTI-NG website users is "SATISFIED" with a percentage of 73.88%. The results of IPA analysis there are 2 priority improvement question items and 10 question items that need to be maintained by the SISAKTI-NG website manager. Recommendations are given to USDI UNUD based on indicators that require improvement to improve service quality which is still low.
Node.js Performance Benchmarking and Analysis at Virtualbox, Docker, and Podman Environment Using Node-Bench Method Pratama, I Putu Agus Eka; Raharja, I Made Sunia
JOIV : International Journal on Informatics Visualization Vol 7, No 4 (2023)
Publisher : Society of Visual Informatics

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62527/joiv.7.4.1762

Abstract

As an asynchronous runtime environment (interpreter) for the development of scalable JavaScript-based network applications, it is necessary to know the performance of the web framework on Node.js in a virtualization-oriented development environment and a container-oriented development environment. This research aims to compare the performance of Node.js in several frameworks in VirtualBox, Docker, and Podman environments. The testing was carried out using some materials like a bench utility at Node Package Manager (NPM) involving the Adonis, Connect, Express, Fastify, Foxify, Hapi, Koa, Molecular, Plumier, Restify, and Sails frameworks, using Object Relational Mapping (ORM) and Raw Query Bookshelf, Knex, MySQL, MySQL2, and Sequelize at Ubuntu Linux operating system. The method research used in this research is the Node-Bench method with requests, latency, and throughput parameters. The testing results show that the best performance score is the Fastify framework with the Sequelize library (ORM) in a container-oriented development environment (Docker and Podman), and the worst performance score is the Express framework with the Mysql2 library (Raw Query) in a virtualization-oriented development environment (VirtualBox). Based on the testing results, developers who use Node.js are more advised to use the Fastify framework with the Sequelize library (ORM) in a container-oriented development environment (Docker or Podman) to obtain better performance. For further research, the implementation and testing at container-oriented development can use cloud-based service (IaaS cloud or PaaS Cloud) for the read-only immutable environment, scalability, and security reasons.Keywords— Docker, Node-Bench method, Node.js, Podman, VirtualBox.
Design and Implementation of Point to Point Wireless Network with VPN IPSec and GRE Security for Internet Network Distribution in Sulangai Village Wiranata, Agus Budiman; Sasmita, Gusti Made Arya; Raharja, I Made Sunia
Jurnal Ilmiah Merpati (Menara Penelitian Akademika Teknologi Informasi) Vol 12 No 3 (2024): Vol. 12, No. 3, December 2024
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JIM.2024.v12.i03.p06

Abstract

Sulangai Village experiences limited internet access due to its geographical condition in a mountainous area, so cable infrastructure such as fiber optics is difficult to implement. The proposed solution is to use point-to-point wireless networks to provide reliable internet access. The research method used is the Network Development Life Cycle (NDLC), including the stages of analysis, design, simulation, implementation, monitoring and management. The test results show that the signal strength at the Base Station and Client Station is -69 dBm each, which is in the very good category. Security testing using IPsec VPN and GRE also showed adequate results, with the ability to encrypt data and protect the network from outsiders. Bandwidth speed testing before and after security implementation shows stable and satisfactory network performance, with consistent transmission and reception speeds. The results of the Quality of Service (QoS) analysis also show a significant increase after implementing security, with good throughput, packet loss, delay and jitter values.
Co-Authors Adhigamika, Dewa Putu Surya Adi Pradana, Putu Bramantia Anak Agung Kompiang Oka Sudana Arta, I Wayan Ajitha Barendra Astuti, Ni Nyoman Indri Wika Bintari, Ni Putu Erika Sari Dewi, Ni Putu Ari Sinta Dwi Suarjaya, I Made Agus Ferdiansyah, Ikhsan Gita, Dwi Putra Gusti Agung Ayu Putri Hrikesa, I Gusti Ngurah Agung Agie I Ketut Gede Darma Putra I Made Agus Dwi Suarjaya I Made Sukarsa I Putu Agus Eka Pratama Kusuma Putra, I Gede Angga Kusuma, Dewa Ayu Ariesta Putri Mahar, Boy Jehezkiel Kamanang Martika, Putu Wahyu Novian Novenrodumetasa, Nathania Prayogo, Bagus Dwi Sasmita, Gusti Made Arya Sudana, A.A. Kompiang Oka Wiranata, Agus Budiman Wiranatha, Anak Agung Ketut Agung Cahyawan Wulandari, Mustika Dian