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All Journal International Journal of Electrical and Computer Engineering Proceedings of KNASTIK TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) Indonesian Journal on Computing (Indo-JC) JIKO (Jurnal Informatika dan Komputer) J-SAKTI (Jurnal Sains Komputer dan Informatika) Komputasi: Jurnal Ilmiah Ilmu Komputer dan Matematika JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) Aiti: Jurnal Teknologi Informasi J-SAKTI (Jurnal Sains Komputer dan Informatika) International Journal Software Engineering and Computer Science (IJSECS) Jurnal Nasional Teknik Elektro dan Teknologi Informasi International Journal on Advanced Technology, Engineering, and Information System (IJATEIS) Innovative: Journal Of Social Science Research Jurnal Ilmu Komputer dan Sistem Informasi Kesatria : Jurnal Penerapan Sistem Informasi (Komputer dan Manajemen) The Indonesian Journal of Computer Science
Alz Danny Wowor
Universitas Kristen Satya Wacana
Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Public Health Other

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Implementasi Smart Home Berbasis IoT: Studi Simulasi Menggunakan Cisco Packet Tracer Ondihon Parlinggoman Munthe; Alz Danny Wowor
Jurnal Ilmu Komputer dan Sistem Informasi Vol. 5 No. 2 (2025): Mei 2026
Publisher : LKP Unity Academy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70340/jirsi.v5i2.370

Abstract

The rapid development of Internet of Things (IoT) technology enables automatic and remote control of home appliances. However, direct hardware implementation often entails high costs and complex configurations. This study aims to design and analyze the performance of a Smart Home system through a simulation approach using Cisco Packet Tracer software. The method encompasses network topology design, core network service configuration, and functionality and Quality of Service (QoS) testing to validate the proposed design. Simulation results demonstrate that the constructed system operates successfully, with the Smartphone effectively controlling electronic devices in real-time. QoS testing recorded 0% packet loss and an average latency of 27 ms, indicating reliable connectivity between user devices and the IoT Server. This study concludes that simulation using Cisco Packet Tracer is effective as a preliminary validation stage in designing Smart Home infrastructure before physical implementation.
One to many (new scheme for symmetric cryptography) Alz Danny Wowor; Bambang Susanto
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 21, No 4: August 2023
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v21i4.24789

Abstract

Symmetric cryptography will always produce the same ciphertext if the plaintext and the given key are the same repeatedly. This condition will make it easier for cryptanalysts to perform cryptanalysis. This research introduces a one-to-many cryptography scheme, which can produce different ciphertexts even if the input given is the same repeatedly. The one-to-many encryption scheme can produce several ciphertexts with differences of up to 50%. The avalanche effect test obtained an average of 52.20%, better than modern cryptography Blowfish by 25.46% and 6% better than advanced encryption standard (AES). One-to-many can produce different n-ciphertexts, which will certainly make it more difficult for cryptanalysts to perform cryptanalysis and require n-times longer to break than other symmetric cryptography.
Co-Authors A.A. Ketut Agung Cahyawan W Andeka Rocky Tanaamah Aneria, Gianina Dea Ardika, Zefanya Aryatama, Andrew Ananta Bambang Susanto Bambang Susanto David Lihananto Dimara, Indri Febriyanti, Monica Dias Hussein Nurrokhim Jesajas, Marthen Billy Juanito, Yunias Kaho, Monica Louisa Ratu Kuniarti Paraditasari Kuniarti Paraditasari Liwandouw, Vania Beatrice Magdalena A. Ineke Pekereng Magdalena Ariance Ineke Pakereng Maria Rosalina Yopeng Nathanael, Hizkia Ondihon Parlinggoman Munthe Pallangan, Jorghie Theodore Pallangan, Jorghie Theodore Kenzo Pambudi, Rizky Satya Putra, Gidion Albeth Anoraga Putri, Febyola Kurnia Tiara Ramadhani, Ahmad Sakalaty, Alfa Krisnanugrah Salama, Aditya Simanjuntak, Yohanes Albryan Susilo Wibowo, Ayub Teguh Septianto Nahading Vania Beatrice Liwandouw Vania Beatrice Liwandouw Wibowo, Alvin Cahyo Widiana, Kadek Yopeng, Maria Rosalina