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All Journal Sinkron : Jurnal dan Penelitian Teknik Informatika METHOMIKA: Jurnal Manajemen Informatika & Komputerisasi Akuntansi Jurnal Inotera Journal of Computer Networks, Architecture and High Performance Computing Brilliance: Research of Artificial Intelligence International Journal of Multidisciplinary Sciences and Arts SAINTI: Majalah Ilmiah Teknologi Industri Majalah Ilmiah METHODA Deli Sains Informatika JATAED: Journal of Appropriate Technology for Agriculture, Environment, and Development PERFECT: Journal of Smart Algorithms SULIWA: Jurnal Multidisiplin Teknik, Sains, Pendidikan dan Teknologi DCS: Jurnal Pengabdian Masyarakat Global Advances in Science, Engineering & Technology (GASET)
Candra, Rudi Arif
Politeknik Aceh Selatan, Indonesia
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Public Health Other

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Optimization of Computer Network Performance through Traffic Management and Bandwidth Allocation Ilham, Dirja Nur; Harahap, Muhammad Khoiruddin; Talib, Muhammed Saat; Budiansyah, Arie; Candra, Rudi Arif
PERFECT: Journal of Smart Algorithms Vol. 3 No. 1 (2026): PERFECT: Journal of Smart Algorithms, Article Research January 2026
Publisher : LEMBAGA KAJIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (LKPPL)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/perfect.v3i1.243

Abstract

Computer network performance is highly dependent on effective traffic management and proper bandwidth allocation, especially in network environments with a large number of users and diverse service demands. Uneven bandwidth distribution often leads to degraded service quality, including low throughput, high delay, and increased packet loss. This study aims to analyze and optimize computer network performance through the implementation of traffic management and bandwidth allocation using the Simple Queue and Queue Tree methods on a MikroTik router. An experimental research approach was employed by comparing network performance before and after the application of bandwidth management mechanisms. The evaluation was conducted based on Quality of Service (QoS) parameters, namely throughput, delay, and packet loss, in accordance with the TIPHON standard. The experimental results indicate a significant improvement in network performance after the implementation of Simple Queue and Queue Tree. Throughput increased substantially, while delay and packet loss were considerably reduced, resulting in improved service quality categories. The Simple Queue method effectively ensured fair bandwidth distribution among users by limiting per-user bandwidth usage, whereas the Queue Tree method enhanced performance by prioritizing network traffic based on service types. The combination of these methods successfully minimized bandwidth monopolization, reduced network congestion, and improved overall network stability. Therefore, the implementation of Simple Queue and Queue Tree proves to be an effective solution for optimizing bandwidth utilization and enhancing Quality of Service in computer networks with high user density and heterogeneous traffic characteristics.
Router as a Data Traffic Controller in Computer Networks Sukma, Kemala; Ilham, Dirja Nur; Candra, Rudi Arif; Yunan, Amsar; Anwar, Ihsan
JATAED: Journal of Appropriate Technology for Agriculture, Environment, and Development Vol. 3 No. 1 (2025): JATAED: Journal of Appropriate Technology for Agriculture, Environment, and Dev
Publisher : LEMBAGA KAJIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (LKPPL)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/jataed.v3i1.93

Abstract

The rapid development of computer networks has led to an increasing demand for efficient and reliable data traffic management. Network complexity, which involves various devices and communication paths, requires systems capable of controlling data flow optimally. A router is a network device that functions as an inter-network connector and determines the best path for data packet transmission. This article aims to examine the role of routers in managing data traffic in computer networks based on a literature review. The method used is a literature study of scientific articles and reference books related to computer networks and routing technologies. The results show that routers play a vital role in improving network performance, optimizing data delivery, and maintaining network stability and security.
Computer Network Security: A Review And Implementation For Beginner Users Farhan, Muhammad; Candra, Rudi Arif; Anwar, Ihsan; Fardiansyah, Fardiansyah; Jannah, Dina Miftahul; Saputra, Devi Satria
JATAED: Journal of Appropriate Technology for Agriculture, Environment, and Development Vol. 3 No. 1 (2025): JATAED: Journal of Appropriate Technology for Agriculture, Environment, and Dev
Publisher : LEMBAGA KAJIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (LKPPL)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/jataed.v3i1.96

Abstract

Computer network security has become a crucial aspect in the digital era as users increasingly depend on network technologies for daily activities. Beginner users represent one of the most vulnerable groups to cyber security threats due to limited technical knowledge and low security awareness. This article aims to provide a comprehensive review of fundamental concepts, common threat types, and basic network security strategies that are relevant for beginner users. The research method employed is a descriptive literature review of scientific articles and academic publications related to computer network security published between 2018 and 2025. The collected literature was analyzed to identify dominant threats and effective protection mechanisms for beginner users. The results indicate that threats such as malware, phishing, ransomware, and unauthorized access remain major security issues. The implementation of basic security mechanisms, including strong password policies, firewalls, antivirus and anti-malware software, regular system updates, and improved user awareness, has proven effective in minimizing security risks. With adequate understanding and proper implementation of these measures, beginner users are expected to apply network security practices more safely, responsibly, and efficiently.
Modeling Validation of Received Signal Strength Indicator (RSSI) Measurements Using ESP8266 Sipahutar, Erwinsyah; Oktrison, Oktrison; Hafizh, Alfi; Candra, Rudi Arif; Budiansyah, Arie
International Journal of Multidisciplinary Sciences and Arts Vol. 5 No. 2 (2026): International Journal of Multidisciplinary Sciences and Arts, Article April 202
Publisher : Information Technology and Science (ITScience)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/ijmdsa.v5i2.8076

Abstract

The rapid proliferation of indoor Internet of Things (IoT) systems has intensified the need for cost-effective and energy-efficient wireless coverage extension solutions. Conventional commercial WiFi repeaters are often over-provisioned in terms of hardware capability and power consumption, making them unsuitable for small-scale IoT laboratories and energy-constrained environments. Although microcontroller-based platforms such as the ESP32 have been widely used for IoT gateways, their systematic evaluation as Network Address Translation (NAT)-based WiFi repeaters remains limited. This paper presents the design, implementation, and experimental performance evaluation of a low-cost ESP32-based NAT WiFi repeater for indoor IoT networks. The proposed architecture operates in dual-mode (Station + Access Point) configuration using a single 2.4 GHz radio interface and software-based NAT forwarding. Hardware optimization, including Bluetooth deactivation and transmission power tuning, is applied to reduce energy overhead. Experimental measurements conducted in an indoor laboratory environment evaluate throughput, latency, received signal strength indicator (RSSI), and power consumption. Results indicate that the proposed system achieves 15–35 Mbps throughput under single-client conditions, with an average latency increase of 3–8 ms compared to direct router connections. The repeater improves signal strength by up to 18 dB in weak-coverage areas, extending effective indoor coverage by approximately 10–20 m. Measured power consumption remains below 1.2 W during active forwarding, significantly lower than typical commercial repeaters. The main contribution of this work lies in providing a quantified energy–performance characterization of a microcontroller-based NAT repeater.
IMPLEMENTATION OF A TREE FELLING AGE DETECTION DEVICE USING PIEZOELECTRIC SENSORS IN URBAN FORESTS Pratama, Ahya Rizki; Sipahutar, Erwinsyah; Candra, Rudi Arif; Budiansyah, Arie; Ilham, Dirja Nur
Global Advances in Science, Engineering & Technology (GASET) Vol. 1 No. 1 (2025): Global Advances in Science, Engineering & Technology (GASET), Article Research
Publisher : Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/gaset.v1i1.51

Abstract

This research aims to develop and implement a tree felling age detection device using piezoelectric sensors in urban forests. Urban forests play an important role in maintaining environmental quality and the well-being of urban communities. Despite the many benefits provided by trees, such as oxygen production and carbon dioxide absorption, the health condition of trees is often difficult to identify visually. Traditional methods of determining tree age, such as dendrochronology, are destructive and time-consuming, so a fast and accurate non-destructive method is needed. Piezoelectric sensors offer the potential for non-destructive detection of tree age by measuring the physical characteristics of trees that change with age, such as wood density, hardness and moisture content. The research involved sensor selection and calibration, data collection from trees in an urban forest, and signal processing and analysis to associate the extracted features with tree age. Test results show that the device can provide real-time tree age estimation, supporting sustainable urban forest management. This research also highlights the importance of integrating sensor technology with a comprehensive urban forest management system for better decision-making regarding tree planting, maintenance and felling.
DESIGN OF FISH WEIGHT MEASURING INSTRUMENT USING CONVEYOR FOR COASTAL FISHERMEN WITH ARDUINO INTEGRATION Andika, Putra; Sipahutar, Erwinsyah; Candra, Rudi Arif; Budiansyah, Arie; Ilham, Dirja Nur
Global Advances in Science, Engineering & Technology (GASET) Vol. 1 No. 1 (2025): Global Advances in Science, Engineering & Technology (GASET), Article Research
Publisher : Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/gaset.v1i1.58

Abstract

Indonesia is a country rich in natural resources including marine wealth when viewed from the geographical structure of Indonesia consists of thousands of islands spread from sabang to merauke. From natural conditions like this, the majority of Indonesian people's livelihoods are fishermen after farmers. But the technology used by our fishermen is still lagging behind so that fishermen cannot maximize the potential of Indonesian fisheries. So that applicative development is needed to make it easier for fishermen. In this study, the design of a tool to automatically count the number and weight of fish using an arduino-based load cell sensor was carried out. This automatic counter uses arduino uno as a processor of the data received and uses a load cell sensor as a detector of the number and weight of fish then the resulting output to the LCD. In this design, an hx711 module is also added which functions as a load cell data converter from analog to digital. The test data, the fish is placed on the conveyor belt that runs and is brought into the counter then the sensor will start to detect then give the command to the Arduino then output the results of the data to the LCD.
AIR QUALITY TEST OF CIGARETTE SMOKE IN COFFEE SHOPS IN SOUTH ACEH Sipahutar, Erwinsyah; Candra, Rudi Arif; Budiansyah, Arie; Oktrison
Global Advances in Science, Engineering & Technology (GASET) Vol. 1 No. 1 (2025): Global Advances in Science, Engineering & Technology (GASET), Article Research
Publisher : Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/gaset.v1i1.61

Abstract

This study aims to analyze air quality in coffee shops in South Aceh using the MQ2 sensor to detect cigarette smoke. Cigarette smoke is a significant source of indoor air pollution and can negatively impact health. The MQ2 sensor was installed in various locations within the coffee shops to measure smoke concentration at different times, including peak and off-peak hours. The measurement results showed variations in cigarette smoke concentration, with peak levels occurring during times of increased customer traffic. Coffee shops with better ventilation systems exhibited lower smoke concentrations, indicating the importance of good air circulation in reducing the effects of cigarette smoke. These findings suggest the need for stricter regulations regarding smoking in public places and improvements in ventilation systems to protect the health of customers and staff. This research provides important insights into indoor air quality management and encourages the implementation of smoke-free policies in coffee shops. From the results of tests conducted in several coffee shops, it was found that the average cigarette smoke content increased in rooms with more than four fans, and that the size of the coffee shop had an influence.
DESIGN OF AN ARDUINO-BASED WATER UTILIZATION MONITORING SYSTEM FOR PUBLIC WATER SUPPLY COMPANIES Dewi, Irana; Candra, Rudi Arif; Sipahutar, Erwinsyah; Budiansyah, Arie
Global Advances in Science, Engineering & Technology (GASET) Vol. 1 No. 1 (2025): Global Advances in Science, Engineering & Technology (GASET), Article Research
Publisher : Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/gaset.v1i1.62

Abstract

This research presents the design and implementation of an Arduino-based water utilization monitoring system tailored for public water supply companies (PDAM) in Indonesia. The system integrates various sensors, including turbidity, pH, temperature, and electrical conductivity sensors, to effectively monitor water quality and usage in real-time. Utilizing an Arduino microcontroller as the central processing unit, the system automates data collection and processing, providing valuable insights into water conditions and consumption patterns. The incorporation of IoT technology and wireless communication modules enables remote monitoring and control, enhancing operational efficiency and user engagement. The device features a water flow sensor and a digital water meter, with data displayed on an LCD screen, allowing users to track their water consumption easily. Additionally, an alarm system alerts users when water usage approaches a predefined maximum limit, promoting water conservation. The findings indicate that the system operates effectively within specified flow rates, demonstrating its potential as a cost-effective solution for improving water management practices in public water supply sectors. Future enhancements may include internet-based monitoring capabilities and backup power solution This research presents the design and implementation of an Arduino-based water utilization monitoring system tailored for public water supply companies (PDAM) in Indonesia. The system integrates various sensors, including turbidity, pH, temperature, and electrical conductivity sensors, to effectively monitor water quality and usage in real-time. Utilizing an Arduino microcontroller as the central processing unit, the system automates data collection and processing, providing valuable insights into water conditions and consumption patterns.
ARDUINO UNO R3 MICROCONTROLLER-BASED DESIBEL (dB) METER DEVELOPMENT ALERT(CASE STUDY SDN 04 TAPAKTUAN) Rahmadani, Pia; Candra, Rudi Arif; Jannah, Dina Miftahul; Budiansyah, Arie; Ilham, Dirja Nur
Global Advances in Science, Engineering & Technology (GASET) Vol. 1 No. 1 (2025): Global Advances in Science, Engineering & Technology (GASET), Article Research
Publisher : Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/gaset.v1i1.63

Abstract

Noise is an environmental problem that arises due to the rapid growth of communication, industrialization, transportation, space, musical instruments and population. The purpose of this research is to detect the frequency value of sound intensity that can cause deafness and sound frequency that is safe for human hearing. The sound intensity value detected by the sensor is displayed in Real Time through Lcd. This tool research uses three parts, namely control, input and output, where Arduino nano functions as a tool controller, sound sensor as an input that functions as a sound detector around, dfplayer and Lcd as an output that functions to display sensor readings in the form of numbers and emit sound. Sound sensor reading data uses 4 categories, namely 0-30 dB “very safe”, 30-60 “safe”, 60-90 “dangerous” and 90-100 “very dangerous”, and the sound will sound according to the value displayed on the sound sensor to Arduino to facilitate the monitoring process. After the whole tool is assembled the tool is tested in two different places, namely Taman Pala and SDN 9 Tapaktuan South Aceh. The results of testing the tool in the nutmeg garden show a sound frequency number of 53.26 dB in the “safe” category, while the test results at SDN 9 show a frequency number of 98.93 dB in the “Very dangerous” category when the room is noisy.
Design and Implementation of a WiFi Manager System on the ESP8266 Module for IoT Applications Nisa, Rahmatul; Suryanto, Eka Dodi; Sipahutar, Erwinsyah; Budiansyah, Arie; Candra, Rudi Arif
Global Advances in Science, Engineering & Technology (GASET) Vol. 1 No. 2 (2025): Global Advances in Science, Engineering & Technology (GASET), Article Research
Publisher : Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/gaset.v1i2.248

Abstract

The rapid growth of Internet of Things (IoT) technology has increased the demand for flexible and user-friendly wireless connectivity in embedded systems. One of the most widely used modules in IoT applications is the ESP8266, which integrates a microcontroller and WiFi capability in a compact and low-cost platform. Despite its advantages, WiFi configuration on the ESP8266 is commonly implemented using static credentials that are hardcoded into the firmware. This approach requires recompilation and reprogramming whenever network parameters change, making it inefficient and impractical for end users and large-scale deployment. This research proposes the design and implementation of a WiFi Manager system on the ESP8266 module to enable dynamic WiFi configuration without modifying the firmware. The proposed system allows the ESP8266 to automatically switch to Access Point (AP) mode when it fails to connect to a previously stored network. Users can then configure WiFi credentials through a web-based interface using a standard web browser. The configuration data are stored in non-volatile memory and used to reconnect the device in Station (STA) mode once a valid network is detected. The research methodology includes system design, firmware development using the Arduino platform, and functional testing to evaluate connectivity performance and reliability. Experimental results show that the WiFi Manager system successfully simplifies the WiFi configuration process, achieves a high connection success rate, and provides stable reconnection after power reset. The proposed approach enhances usability, deployment flexibility, and scalability of ESP8266-based IoT devices.
Co-Authors . Zulfan Achriadi , T. Sukma Alfy Ariswan Amri, Asbahrul Amsar Yunan Amsar, Amsar Ananda, Desnalita Andika, Putra Anugreni, Fera Anwar, Ihsan Arie Budiansyah Aritonang, Romulo P. Balkhaya, Balkhaya Bean, Hasbaini Budianyah, Arie Dewi, Irana Eka Dodi Suryanto Eri Satria Eri Satria Erwinsyah Sipahutar Erwinsyah Sipahutar Faisal Irsan Pasaribu Fardiansyah Adami Fardiansyah, Fardiansyah Fauza , Rial Fauzun Atabiq Ginting, Depi Hafizh, Alfi Hardisal, Hardisal Haristian Pratama Hasbaini, Hasbaini Herma Nugroho Rono Adi Kusumo Herry Setiawan Herry Setiawan Ihsan Ihsan Ihsan Ihsan, M Arinal Ilham, Dirja Nur Irwansyah Irwansyah Irwansyah Syam Jamsan, Firdaus Jannah, Dina Miftahul Khairuman Man Khairuman, Khairuman Khusnul Azima Mario di Nardo Misbullah, Alim Miswar Papuangan Miza, Khairul Muhammad Farhan Muhammad Khoiruddin Harahap Muhammed Saat Talib N. Nazaruddin Nisa, Rahmatul Nizamuddin Nizamuddin Nursila Nursila Nursila, Nursila Nursita, Putri Oktrison Oktrison Oktrison, Oktrison Pratama, Ahya Rizki Putra, Reza Ade Rahmadani, Pia Rater, Salya Saputra, Devi Satria Sepri Kurniadi Shahrul Shahrul Sipahutar , Erwinsyah Siti Rusdiana sriwahyuni Sriwahyuni Sukma, Kemala Suryadi Suryadi Suryadi Talib, Muhammed Saat Taufiq Abdul Gani Urmila, Tasya Wahyu Ariansyah William Sutanto