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All Journal Jurnal Jaringan Telekomunikasi Jurnal Informatika Polinema (JIP)
Nugroho Suharto
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Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Library & Information Science

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Analisis Mirror Server menggunakan Load Balancing pada Jaringan Area Lokal Alfian Nurdiansyah; Nugroho Suharto; Hudiono Hudiono
Jurnal Jaringan Telekomunikasi Vol 10 No 4 (2020): Vol 10 No 04 (2020) : Desember 2020
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jartel.v10i4.57

Abstract

A Server is a system that provides certain services on a computer network. The Server has its own operating system called the network operating system. The Server also controls all access to existing networks.  In order to help server tasks, a server mirroring system is set up where the server is duplicating a data sets or an exact clone of a server providing various information. Mirror server or also called Server synchronization is a duplicate of a server. To add performance from the server, a load balancer is required. Load balancing is a technique for distributing two internet connection paths equally. With the application of load balancing the traffic will run more optimally, maximizing throughput, and avoiding overload on the connection path. Iptables is used for IP filtering so the clients could access the server according to the closest server zone, so that the load balance combined with iptables can reduce the server's load. A common problem is when many clients access a server and the server will overload and cause the server performance to be slow because of the heavy traffic. The access Client also get the effect of this, which is slow response time. From the result of research on the combination of load balance and iptables, it was found that the load balance with the round robin algorithm the average delay obtained for server1 was 0.149 seconds and 0.19122. Server2 has an average delay of 0.161 seconds and 0.012 seconds.
Komparasi Performasi Node Router Tengah dan Node Router Tepi pada Jaringan Manet menggunakan Protokol Olsr dan Batman Novan Ferdiansyah; Nugroho Suharto
Jurnal Jaringan Telekomunikasi Vol 9 No 2 (2019): Vol 09 No 02 (2019) : Juni 2019
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jartel.v9i2.168

Abstract

The development of wireless technology has created a new network, namely the MANET network. In a MANET network, a node can be a router or an end user because in a MANET network the node is flexible. MANET networks have proactive OLSR and BATMAN protocols. When a node becomes a router, many other nodes will pass it. This research was conducted to determine the formation of the router node in the middle, namely the router that is passed by a lot of communication and the edge, that is, the router that has little communication through the network using parameters of CPU usage, RAM usage, and processing delay. From the test results, the CPU value on OLSR and BATMAN for the middle router node is 0.3 and for the edge router it is 0.2 when communicating, when there is no communication the CPU value on OLSR is still 0.3 while in BATMAN the BATMAN value drops to 0.2. For memory used in both protocols get 0.0 because the router only forwards packets without needing to process the packet. For processing delay in the two protocols, the value varies because packet delivery has an uncertain delivery interval between packets. In BATMAN protocol, CPU usage is better than OLSR because if there is no data communication, the CPU value from BATMAN goes down and on OLSR there is no fixed CPU value communication.
Implementation of Non-Invasive Detection of Cholesterol Levels, Hypertension Using Android-Based BPW34 and MPX5050GP Sensors Junus, Mochammad; Rachmad Saptono; Nugroho Suharto; Daffa Afrizal Wijaya
Jurnal Informatika Polinema Vol. 11 No. 3 (2025): Vol. 11 No. 3 (2025)
Publisher : UPT P2M State Polytechnic of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jip.v11i3.6963

Abstract

High cholesterol levels and blood pressure are the main indications of body health which can cause heart attacks and strokes. Cholesterol deposits in the blood vessels can cause narrowing which results in hypertension and disorders of the components of the cardiovascular system. In accordance with the function of the cardiovascular system which is responsible for sending blood to various parts of the body, it is necessary to detect cholesterol levels and hypertension as early as possible in order to prevent heart attacks and strokes. The aim of this research is to measure cholesterol and hypertension levels using the BPW34 and MPX5050GP sensors and the addition of the GY-MAX30100 sensor to detect heart rate and oxygen saturation. The three sensors were combined as an experimental analysis test for a prototype medical tool for measuring blood cholesterol levels and hypertension in real-time, non-invasively (does not injure skin tissue). In this research, an application system was created in the form of a dashboard of test results for each sensor, which then sent the medical test data results to the user's smartphone to determine estimated values for cholesterol and hypertension levels for the purpose of initial medical examination.In this research, an application system was created in the form of a dashboard of test results for each sensor, which then sent the medical test data results to the user's smartphone to determine estimated values for cholesterol and hypertension levels for the purpose of initial medical examination. The results of the research show that the prototype created compared to standard medical measuring instruments, has the ability to measure cholesterol levels and blood pressure with an accuracy of 0.675% on the BPW34 sensor and 3.9% on the MPX5050GP sensor and 1.475% accuracy on the GY-MAX30100 sensor. heart rate and 1.305% for oxygen saturation. The measurement data can be connected successfully into an android application enabling remote and live monitoring. This system supports personal health management by enabling people to monitor their health conditions independently and in real time.
Co-Authors Ach. Muhib Zainuri Alfian Nurdiansyah Daffa Afrizal Wijaya Hudiono Hudiono Mochammad Junus Novan Ferdiansyah Patma, Tundung Subali Rachmad Saptono