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Samuel Samuel
Universitas Multimedia Nusantara
Computer Science & IT Control & Systems Engineering Engineering

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Rancang Bangun Mekanisme Load Sharing Pada Link Aggregation Menggunakan Software Defined Networking Samuel Samuel; Cahyo Eko Samudera
Ultima Computing : Jurnal Sistem Komputer Vol 9 No 1 (2017): Ultima Computing : Jurnal Sistem Komputer
Publisher : Faculty of Engineering and Informatics, Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (926.494 KB) | DOI: 10.31937/sk.v9i1.573

Abstract

Given the level of activity of Internet users is high on lately. Impact on the growing needs for server throughput can be treated with load sharing on link aggregation. However, it possess a problem for UDP protocol data packets which will experience jitter and packet received out of order high. Therefore, the author tries to create an algorithm to share the package which will be sent to the server with weighted round robin method that focuses UDP Protocol data packets. The author uses the Software Defined Networking (SDN) and OpenFlow protocol that is capable of directly reprogrammed network devices. Host connect by sending packets Internet Control Message Protocol (ICMP), Transport Control Protocol (TCP) and User Datagram Protocol (UDP) to the server, then do an analysis of the bandwidth, jitter, datagrams, and retry. The author has successfully implemented with the emulator Mininet and testing. The results indicate that the average jitter is able to be reduced to 50% and packets received out of order is reduced to 0 compared to standard link aggregation with weighted round robin load sharing method. Keywords— Software Defined Netwoking, Link Aggregation, Weighted Round Robin, UDP
Analisis Pola Radiasi Antena Dipole pada aplikasi Wireless Sensor Networks di Industrial Site Nabila Husna Shabrina; Samuel Samuel
Ultima Computing : Jurnal Sistem Komputer Vol 10 No 2 (2018): Ultima Computing : Jurnal Sistem Komputer
Publisher : Faculty of Engineering and Informatics, Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2190.491 KB) | DOI: 10.31937/sk.v10i2.929

Abstract

In industry 4.0, a complex system was needed to automatically control and communicate between devices. One component that often used in industrial automation is Wireless Sensor Networks (WSN), which is worked by transmitting the data needed through electromagnetic waves. The electromagnetic propagation in industrial process encounter challenges which caused by reflection or scattering from the object inside the industrial site. Therefore, in this research, the author will conduct a simulation to determine the characteristic of electromagnetic propagation in industrial site. The simulation was done by simulating antenna dipole with frequency 2.4 GHz in the simple 3D industrial site consist of some component. The result shows that simulating antena dipole in industrial site will affect the characteristic of the antena such as gain, directivity, and S parameter.
Co-Authors Cahyo Eko Samudera Shabrina, Nabila Husna