Journal articles: 'MQTT protokol'

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Saputra, Galih Yuda, Ahimsa Denhas Afrizal, Fakhris Khusnu Reza Mahfud, Farid Angga Pribadi, and Firman Jati Pamungkas. "Penerapan Protokol MQTT Pada Teknologi Wan (Studi Kasus Sistem Parkir Univeristas Brawijaya)." Informatika Mulawarman : Jurnal Ilmiah Ilmu Komputer 12, no. 2 (August 21, 2017): 69. http://dx.doi.org/10.30872/jim.v12i2.653.

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MQTT merupakan sebuah protokol yang diterapkan pada IOT. Protokol ini sangat mendukung untuk jaringan WAN, karena WAN mencakup area yang luas. Protokol MQTT mempunyai kelebihan yaitu dapat bekerja dengan energi dan media penyimpanan yang minimum. Jaringan pada sistem informasi parkir yang ada saat ini kebanyakan hanya bersifat LAN. Oleh karena itu pada penelitian ini sistem informasi parkir dikembangkan dengan menggunakan protokol MQTT yang diterapkan pada jaringan WAN. Berdasarkan hasil simulasi penelitian ini protokol MQTT dapat diterapkan pada teknologi WAN dengan average delay sebesar 0.028183014 second membuktikan bahwa protokol MQTT mempunyai kualitas yang baik berdasarkan parameter nilai delay. Selain itu packet loss dari publisher ke server pada protokol MQTT yaitu sebesar 0%, hal ini membuktikan bahwa akurasi pengiriman pada MQTT adalah 100%.

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Wydmann, Raja Chairul Jannah, and Riki Mukhaiyar. "Augmented Reality dalam Penggunaan Alat Rumah Tangga Berbasis Internet Of Things." JTEIN: Jurnal Teknik Elektro Indonesia 1, no. 2 (October 13, 2020): 84–91. http://dx.doi.org/10.24036/jtein.v1i2.48.

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Pengembangan aplikasi ini didasari oleh tingkat efisiensi penggunaan teknologi augmented reality yang masih minimum, khususnya dibidang rumah tangga. Hal ini disebabkan kurangnya pengetahuan dibidang tersebut dan menjadi dasar dalam membangun aplikasi augmented reality yang digunakan untuk mengatur peralatan rumah tangga yang dijembatani oleh Internet of Things. Dalam aplikasinya, augmented reality akan ditanamkan didalam smartphone android dan dapat dikontrol menggunakan gestur jari tangan pada layar dan ditampilkan menggunakan kamera. Perintah akan dikirimkan ke Raspberry Pi yang berperan sebagai server MQTT dan akan mengirimkannya ke NodeMCU via internet untuk mengontrol alat rumah tangga. Server terhubung dengan NodeMCU menggunakan protokol MQTT “mosquitto” dalam mengirimkan perintah. Hasilnya aplikasi augmented reality yang dibuat menggunakan Unity dapat berjalan dan menghubungkan semua sistem menjadi satu karena adanya satu protokol yang menjembataninya yaitu MQTT (Message Queuing Telemetry Transport).

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Pratama, Rizki Priya. "PENGENDALI LAMPU RUMAH BERBASIS ESP8266 DENGAN PROTOKOL MQTT." TESLA: Jurnal Teknik Elektro 22, no. 1 (March 30, 2020): 56. http://dx.doi.org/10.24912/tesla.v22i1.7862.

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Wicaksana, Anggit, and Bakhtiar Alldino Ardi Sumbodo. "Rancang Bangun Platform Intel Edison Sebagai IoT Gateway Berbasis Protokol MQTT." IJEIS (Indonesian Journal of Electronics and Instrumentation Systems) 10, no. 2 (October 31, 2020): 109. http://dx.doi.org/10.22146/ijeis.36492.

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The role of IoT gateway on IoT network is vital, like for strengthen the sensor management. Accordingly, in this research designed an IoT gateway based on MQTT Protocol which implemented in Intel Edison platform and using ten node sensors with star topology.Results from this research is an IoT gateway system who capable to receive data packet from node sensor, saves the data in database, and publishes the data to MQTT broker. User able to do data acquisition by subscribe method, using MQTT Dasboard application. The system tested by doing the calculation of time response of gateway with variation of data length and variation of distance, life time of node sensor testing by the variation of data length. The conclusions are the time average of from data acquisition by node sensor until gateway saves the data in database and user subscribes the data is twelve seconds. The shorter the data length makes the response time of gateway faster and makes the life time of node sensor shorter because the measured current is bigger. The distance is not gives any impact to the response time of gateway.

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Somya, Ramos, and Hendri Andros. "Pembuatan Alert System Pada Perangkat Android Menggunakan Protokol MQTT." Telematika 12, no. 2 (August 31, 2019): 109–23. http://dx.doi.org/10.35671/telematika.v12i2.792.

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Indah Permatasari, Nia Annisa Ferani Tanjung, and Nur Afifah Zen. "Perancangan Sistem Monitoring Konduktivitas dan Padatan Terlarut PDAM Banyumas Berbasis IoT." Jurnal Nasional Teknik Elektro dan Teknologi Informasi 10, no. 1 (February 25, 2021): 25–31. http://dx.doi.org/10.22146/jnteti.v10i1.1023.

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PDAM merupakan perusahaan yang bergerak dalam distribusi air bersih bagi masyarakat. Sebagian masyarakat Indonesia telah menjadi pelanggan air PDAM guna memenuhi kebutuhan air untuk aktivitas sehari-hari. Kualitas air menjadi persoalan penting karena berhubungan erat dengan kesehatan. Pada makalah ini dilakukan perancangan sistem monitoring kualitas air PDAM Banyumas berbasis IoT dengan meninjau parameter konduktivitas (EC) dan padatan terlarut (TDS). Hasil data pengukuran dapat diakses melalui aplikasi Andorid pada smartphone. Aplikasi dirancang menggunakan protokol HTTP dan MQTT. Protokol HTTP digunakan pada user interface untuk mengambil data terakhir pengukuran, sedangkan protokol MQTT digunakan untuk update data pengukuran sehingga proses transmisi data lebih cepat. Sistem akan mengirim pemberitahuan melalui Telegram apabila kualitas air berada di bawah baku mutu. Pengujian akurasi pengukuran dilakukan dengan membandingkan perangkat monitoring yang dibuat dengan alat ukur bersertifikat pada sampel air minum kemasan dan air PDAM. Hasil penelitian menunjukkan kinerja perangkat monitoring kualitas air PDAM yang dirancang sebesar 97,31% serta kualitas air PDAM Banyumas yang didistribusikan sangat stabil dan aman dikonsumsi.

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Eridani, Dania, Eko Didik Widianto, and Nur Kholid. "Rancang Bangun Sistem Monitoring Dan Controlling Tambak Udang Windu Dengan Konsep Internet Of Things Menggunakan Protokol Message Queuing Telemetry Transport." CESS (Journal of Computer Engineering, System and Science) 5, no. 1 (January 31, 2020): 137. http://dx.doi.org/10.24114/cess.v5i1.14718.

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Udang windu merupakan salah satu jenis udang asli dari Indonesia. Pembudidayaan udang windu sangat dipengaruhi oleh kualitas air pada tambak udang windu. Berdasarkan faktor tersebut, maka dibuatlah sistem yang mampu memantau dan mengontrol kualitas air pada tambak udang windu secara kontinyu dan real-time menggunakan konsep Internet of Things dengan protokol Message Queuing Telemetry Transport. Sistem yang dibangun terdiri dari 2 bagian, yang pertama adalah NodeMCU sebagai primary node yang terhubung dengan sensor (HC-SR04, SEN0161, dan DS18B20) untuk pemantauan kualitas air dan aktuator (motor DC sebagai kincir air). Bagian kedua adalah Raspberry Pi 3 Model B sebagai MQTT broker dan berfungsi untuk mengirimkan hasil pembacaan sensor menuju database. Hasil dari penelitian ini adalah sistem dapat memantau kualitas air dan juga melakukan kontrol terhadap kincir air melalui aplikasi berbasis website. Primary node juga bisa berkomunikasi dengan broker melalui protokol MQTT.

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Aprinaldi, Yanda, and Dede Irawan Saputra. "Sistem pemantauan dan pengisian cairan pada mesin hemodialisa berbasis IoT dengan protokol MQTT." JITEL (Jurnal Ilmiah Telekomunikasi, Elektronika, dan Listrik Tenaga) 1, no. 1 (March 11, 2021): 9–16. http://dx.doi.org/10.35313/jitel.v1.i1.2021.9-16.

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Masalah yang sering terjadi saat melakukan cuci darah adalah habisnya cairan acid dan bicarbonate saat proses cuci darah sedang berlangsung yang mengakibatkan efek samping pada pasien. Internet of Things (IoT) merupakan metode komunikasi sederhana yang dapat menghubungkan semua objek fisik di kehidupan sehari-hari melalui internet. Pada penelitian ini dibuat prototype berbasis IoT yang mampu memonitor dan mengisi ulang cairan acid dan bicarbonate dan dapat mengisi ulang cairan sebelum kosong. Sistem dibuat menggunakan sensor ultrasonic dan aliran untuk pendeteksian cairan. Pengiriman data pada sistem ini dilakukan menggunakan protokol Message Queuing Telemetry Transport (MQTT). Hasil pengujian menunjukkan sistem mampu berjalan dengan baik dengan tingkat error data sensor ultrasonik yang sudah terkalibrasi sebesar 0,105 cm dan error sensor flowmeter sebesar 0,11 L/m. Hasil pembacaan pada serial monitor memiliki hasil yang sama dengan pembacaan yang ditampilkan interface. Data yang dikirimkan mencapai kesesuaian 100% dikarenakan pada sistem monitor dan pengisian ini dilakukan menggunakan protokol MQTT yang terdapat publish, subscribe, dan broker.

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Prasetyo, Inung Bagus, Mahar Faiqurahman, and Zamah Sari. "Rancang Bangun Control dan Monitoring Sensor Node WSN Menggunakan Protokol Message Queue Telemetry Transport (MQTT)." Jurnal Repositor 2, no. 1 (January 4, 2020): 15. http://dx.doi.org/10.22219/repositor.v2i1.476.

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The WSN network is increasingly gaining attention because of the potential for new and attractive solutions in the field of industrial automation, asset processing, environmental preparation and others. But there are some problems in building the WSN network. Sensor nodes must manage small, cost-effective, low-resource, node sensors must be managed properly with WSN networks Managing WSN networks, can be done by controlling sensor nodes such as giving commands to data transmission activities and monitoring to determine the condition of sensor nodes. The MQTT protocol with the type of publishing / subscription communication is designed with characteristics similar to the characteristics of the WSN network, which are simple, lightweight, energy efficient and easy to implement.In this study, a server will be implemented that can control and monitor the sensors of the WSN network node using the MQTT protocol. Then RTT parameters are used, Qo parameters include Delay, Jitter, Throughput, Packet Loss and sensor node memory condition parameters when using the MQTT protocol. The RTT and QoS scenarios use variations in data size of 16,32,48,64,80 and 96 bytes. Monitoring memory nodes, performing for 1 minute with a total of 30 data transmissions. The RTT parameter testing results are quite stable. QoS testing is very good with stable delay, jitter, increasing throughput, and 0% of data lost when packet loss testing. The Test Memory node sensor, shows erratic results.

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Hakim, Luqman, Wahyu Andhyka Kusuma, Mahar Faiqurahman, and Supriyanto. "Over The Air Update Firmware pada Perangkat IoT Dengan Protokol MQTT." Jurnal Sistem dan Informatika (JSI) 14, no. 2 (August 4, 2020): 99–105. http://dx.doi.org/10.30864/jsi.v14i2.244.

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Perangkat IoT yang diimplementasi pada banyak tempat dapat mengalami perubahan berupa update firmware. Update firmware pada perangkat IoT biasanya dilakukan dengan mengambil perangkat IoT, lalu menghubungkan ke komputer menggunakan komunikasi serial melalui kabel USB to micro USB, selanjutnya melakukan update firmware pada perangkat IoT dan mengembalikan perangkat IoT ke tempat. Jika sistem pada perangkat IoT sudah dapat berkomunikasi melalui antar muka jaringan, tidak perlu lagi menggunakan kabel USB to micro USB, karena bisa dimanfaatkan over the air update firmware menggunakan antar muka jaringan pada perangkat IoT. Over the air update firmware adalah memuat firmware hasil build dari Arduino IDE pada perangkat IoT menggunakan antar muka jaringan Wi-Fi, pada penelitian ini perangkat IoT menggunakan mikrokontroler ESP8266-12E. Untuk melakukan update firmware perangkat IoT digunakan protokol MQTT untuk menjembatani antara aplikasi berbasis website sebagai interface pengguna untuk publish file firmware ke perangkat IoT. Hasil dari implementasi aplikasi berbasis website untuk over the air update firmware pada perangkat IoT dengan protokol MQTT, dalam 10 kali pengujian pengiriman file firmware perangkat IoT menggunakan masing-masing QoS 0, QoS 1, dan QoS 2, didapatkan hasil QoS 2 lebih direkomendasikan untuk digunakan mengirim file firmware dengan keberhasilan update firmware QoS 0 = 50 %, QoS 1 = 70% dan QoS 2 = 80% dari 10 kali percobaan pengiriman file firmware pada perangkat IoT.

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Adi, Ginanjar Suwasono, Ferry Satria, and Krisna Gumilar. "Sistem Pendeteksi Tekanan Darah dan Suhu Tubuh Portabel Menggunakan Protokol MQTT." JTERA (Jurnal Teknologi Rekayasa) 6, no. 1 (June 21, 2021): 77. http://dx.doi.org/10.31544/jtera.v6.i1.2021.77-84.

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Hakim, Ahmad Fauzan, Wirarama Wedhaswara, and Ahmad Zafrullah Mardiansyah. "Sistem Pendukung Keputusan Penerangan Ruangan Berbasis IoT Menggunakan Protokol MQTT dan Fuzzy Tsukamoto." Jurnal Teknologi Informasi, Komputer, dan Aplikasinya (JTIKA ) 2, no. 2 (September 30, 2020): 304–13. http://dx.doi.org/10.29303/jtika.v2i2.99.

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Inappropriate use of a light bulb in light conditions in the room causes electricity to go to waste. To conserve electricity and keep the lights from breaking quickly, it needs to be done to measure the condition of the light around the lamp. For that it requires a decision-making system of the lighting room based on the Internet of things and using MQTT protocol and fuzzy tsukamoto logic methods. The MQTT protocol used is CloudMQTT to store data or be called a broker. CloudMQTT has 4 important instance info, that is server, user, password, and port. 4. That instance info is used to connect the application program with the broker in order for the system to subscribe and publish from broker to application. For fuzzy tsukamoto combination of rules built up from the three functions of membership, that is the intensity of light, time, and the condition of the light. A combination of rules from two variables is light intensity and time generates 20 combinations of rules. Deffuzification on fuzzy tsukamoto earned by taking a centralized average.

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Wardhana, Indrawata, Vandri Ahmad Isnaini, Rahmi Putri Wirman, Rita Syafitri, and Akhmad Nasuha. "Rancang Bangun Alat Pengukur Suhu Real Time Laboratorium Menggunakan Protokol MQTT Berbasis Internet of Things." Jurnal Teori dan Aplikasi Fisika 9, no. 1 (January 31, 2021): 39–46. http://dx.doi.org/10.23960/jtaf.v9i1.2690.

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The stable temperature in the laboratories is the major requirement for ensuring safety at work. The changes in the temperature which are oftentimes caused by precisely unrecognized factor may provide hazardous impacts on humans who are working in such place. Similar researches were conducted; however, they did not use NodeMCU as a microcontroller and MQTT protocol. This study tried to build a real-time temperature observation system using MQTT protocol based on the Internet of Things which has a fast delivery speed message. The temperature and humidity were captured by using DHT22 sensor that were then stored in database for one month. The result showed that the temperature change of the laboratory could be rapidly detected through the tests process on a certain heat-produced device. It could be analyzed periodically using the real-time application so that the impact of temperature rise could be detected quickly.

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Hermadi, Irman, Aji Fajar Nugraha, Sri Wahjuni, Irzal Effendi, and Auzi Asfarian. "Rancang Bangun Sistem Pemantauan Lingkungan Laut Pendukung Aplikasi Marikultur Cerdas K1000 dengan Protokol MQTT." Jurnal Ilmu Komputer dan Agri-Informatika 8, no. 1 (May 31, 2021): 20–30. http://dx.doi.org/10.29244/jika.8.1.20-30.

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Kelompok Sea Farming merupakan sebuah kelompok masyarakat yang menerapkan kegiatan marikultur. Kelompok Sea Farming sangat membutuhkan sistem yang dapat memantau lingkungan laut. Variabel lingkungan laut yang mereka butuhkan ialah suhu dan kelembaban udara, suhu air laut dan kadar oksigen terlarut. Pemantau lingkungan laut memiliki tugas untuk menentukan waktu pencucian ikan berdasarkan perubahan suhu, kelembaban udara, suhu air, dan kadar oksigen terlarut. Penelitian ini dilakukan untuk merancang dan membangun arsitektur internet of things (IoT) menggunakan protokol the message queuing telemetry transport (MQTT) untuk memantau lingkungan laut pada keramba dengan menggunakan sensor yang terhubung dengan internet dan ditampilkan pada aplikasi secara waktu nyata. Sistem yang dibuat diharapkan dapat membantu nelayan dalam memantau dan menyimpan data dari perubahan lingkungan laut serta mendukung pengembangan aplikasi Marikultur Cerdas Kepulauan Seribu (K1000). Hasil Penelitian ini telah berhasil dalam merancang dan membangun sistem pemantauan lingkungan laut dengan arsitektur IoT, mulai dari pengambilan data dari sensor hingga pengiriman data masuk ke basis data dan menampilkannya sebagai grafik. Selain itu, keseluruhan pengujian kunci dan kebijakan IoT menunjukkan komunikasi data IoT menggunakan layanan AWS terjamin keamanannya. Dengan delay 0.005 detik, paket loss 0%, dan overhead sebesar 36.8%. Kata Kunci: internet of things, marikultur, MQTT, pemantauan, pencucian ikan.

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Amron, Kasyful, Eko Sakti Pramukantoro, and Mahendra Data. "Pemodelan dan Analisis Wireless Mesh Network dengan Arsitektur Publish-Subscribe dan Protokol MQTT." Jurnal Teknologi Informasi dan Ilmu Komputer 3, no. 2 (June 20, 2016): 88. http://dx.doi.org/10.25126/jtiik.201632184.

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Febrila, Salma, Nugroho Suharto, and Lis Diana Mustafa. "Rancang Bangun Sistem Pemesanan Jadwal Laundry Self Service Berbasis Website Menggunakan Protokol MQTT." Jurnal Jartel: Jurnal Jaringan Telekomunikasi 10, no. 4 (December 30, 2020): 207–12. http://dx.doi.org/10.33795/jartel.v10i4.19.

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Pada penelitian ini pelanggan harus mengantri terlebih dahulu agar mendapat giliran me-laundry. Sehingga pengguna membutuhkan waktu yang lama sehingga kurang efisien waktu. Laundry self service sendiri mengharuskan pengguna jasa melakukan kegiatan mencuci sendiri sehingga tidak terjadi kehilangan pakaian. Laundry self service ini memiliki layanan pemesanan jadwal mencuci melalui website sehingga memudahkan pengguna jasa laundry tanpa perlu antri. Metode yang digunakan pada penelitian ini berupa aplikasi pemesanan jadwal me-laundry melalui website dan tag RFID sebagai kartu untuk mengakses jasa laundry self service. Pertama pengguna mendaftarkan diri terlebih dahulu ke customer service untuk mendapatkan tag RFID berupa smart card yang berisi identitas pengguna dan saldo agar dapat mengoperasikan mesin cuci tersebut. Pada penelitian ini mengukur akurasi sensor berat, akurasi jarak RFID, dan sistem komunikasi antara hardware dan software. Pada hasil pengujian nilai akurasi sensor berat diperoleh presentase error sebesar 0.28% sampai 1.69%. Pada pengujian akurasi jarak RFID diperoleh hasil pengukuran terbacanya tag RFID dengan reader dari jarak 0 cm sampai 3 cm. Pada pengujian QoS (Quality of Service) menggunakan parameter delay, packet loss dan throughput. Pada pengujian delay diperoleh hasil pengujian sebesar 0.057ms sampai 15.426ms. Pada pengujian packet loss diperoleh 0%. Sedangkan pada pengujian throughput diperoleh hasil sekitar 0.337 Kbps sampai 6.758 Kbps.

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Prakoso, Anang Dwi. "Analisis Perbandingan Kualitas Layanan Sistem Antara Protokol HTTP dan MQTT Pada Monitoring Kelembaban Tanah." PRotek : Jurnal Ilmiah Teknik Elektro 7, no. 2 (September 7, 2020): 55–59. http://dx.doi.org/10.33387/protk.v7i2.1658.

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Mulyana, Agus, and Muhammad Nur Arifin. "Smart Socket untuk Smart Home berbasis Message Queuing Telemetry Transport (MQTT)." Komputika : Jurnal Sistem Komputer 8, no. 2 (November 19, 2019): 111–17. http://dx.doi.org/10.34010/komputika.v8i2.1684.

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Penggunaan listrik pada rumah dapat diukur menggunakan KWH meter yang telah diberikan oleh PLN, namun KWH meter hanya mampu menghitung penggunaan listrik secara total. Dalam melakukan pemantauan listrik dengan cara tersebut memiliki kekurangan karena penggunaan listrik pada setiap stop kontak di dalam rumah tentunya berbeda-beda. Kemudian pemilik rumah yang sering berpergian dalam jangka waktu lama akan merasa khawatir karena tidak dapat mengetahui informasi dari alat elektronik yang masih terpasang dengan listrik. Sistem yang dibuat ini adalah sebuah sistem aplikasi dari smart home yaitu dalam mamanajemen energi. Alat ini akan tepasang pada stop kontak sehingga penggunaan listrik pada stop kontak dapat dipantau dan dikontrol. Data dari listrik yang ditampilkan yaitu arus, daya, tegangan, kondisi alat dan KWH. Sistem ini menggunakan protokol MQTT dimana data dari alat akan dikirim ke broker. Selanjutnya data-data tersebut yang telah diterima broker akan diambil oleh sistem lain yaitu sistem informasi penggunaan listrik berbasis web dan android sehingga memudahkan pengguna dalam menyajikan informasi dari penggunaan listrik. Selain itu sistem ini dapat melakukan kendali jarak jauh sehingga memudah pemilik rumah dalam mengontrol listrik. Kata Kunci – Listrik; Smart home; Pemantauan dan kendali; Stop kontak; MQTT.

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Pratama, Rizki Priya. "Remote PC Wake-On Design Manufacture in Mujahidin Mosque at Candi Mendut." MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering 3, no. 3 (September 9, 2021): 113–26. http://dx.doi.org/10.46574/motivection.v3i3.97.

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There are several methods to turn on a PC from other places, one of which is WOL (wake-on lan). This method requires modem configuration to enable WOL and port forwarding features. However, if it is not possible, there is one method offered by the researcher. The method is creating a system that functions to turn on the PC via the MQTT protocol. This system consists of electronic devices and android applications. Both can be connected to the internet network. The function of this device is to connect the PWRBTN and GND pins for 0.3 seconds. While the android application "Remote wake-on PC Masjid Mujahidin" is a user interface to receive and send data to the device. From the experiment, it was found that this device was controlled from the internet with an android application successfully. In addition, there is information about the status of the PC, the system voltage on the device, and the temperature and voltage of the PC room on the android application. All this information is successfully transmitted from the PC-enabled device to the android application. Terdapat beberapa metode untuk menghidupkan PC dari keadaan mati/off, salah satunya adalah WOL (wake-on lan). Metode ini membutuhkan konfigurasi modem untuk mengaktifkan fitur WOL dan port forwarding. Namun, apabila tidak bisa, terdapat satu metode yang ditawarkan oleh peneliti. Metode tersebut adalah sebuah sistem yang berfungsi untuk menghidupkan PC melalui protokol MQTT. Sistem ini terdiri dari sebuah perangkat elektronik dan aplikasi android yang dapat terhubung pada jaringan internet. Perangkat ini bertugas untuk meng-on-kan PC dengan cara menghubungkan pin PWRBTN dan GND selama 0,3 detik. Sedangkan aplikasi android “Remote wake-on PC Masjid Mujahidin” sebagai user interface untuk menerima dan mengirimkan data ke perangkat. Dari pengujian, didapatkan bahwa perangkat ini berhasil dikendalikan dari internet dengan aplikasi android. Selain itu juga, terdapat informasi mengenai status PC, tegangan sistem pada alat serta suhu dan tegangan ruang PC pada aplikasi android. Semua informasi ini berhasil dikirimkan dari peralatan wake-on PC ke aplikasi android.

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Periyaldi, Periyaldi, Arief Bramanto, and Agusma Wajiansyah. "Implementasi Sistem Monitoring Suhu Ruang Server Satnetcom Berbasis Internet Of Things (Iot) Menggunakan Protokol Komunikasi Message Queue Telemetry Transport (Mqtt)." JTT (Jurnal Teknologi Terpadu) 6, no. 1 (April 16, 2018): 23. http://dx.doi.org/10.32487/jtt.v6i1.435.

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Rifa'i, Ahmad. "SISTEM PEMANTAUAN DAN KONTROL OTOMATIS KUALITAS AIR BERBASIS INTERNET OF THINGS (IOT) MENGGUNAKAN PLATFORM NODE-RED UNTUK BUDIDAYA UDANG." JTT (Jurnal Teknologi Terapan) 7, no. 1 (April 13, 2021): 19. http://dx.doi.org/10.31884/jtt.v7i1.317.

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Kualitas air dalam budidaya udang adalah faktor penting yang perlu diperhatikan. Sehingga kualitas air yang baik menjadi tolak ukur tingkat keberhasilan budidaya udang. Permasalahan utamanya adalah buruknya kualitas air selama masa pemeliharaan. Untuk mengatasi masalah tersebut, penelitian ini bertujuan menggunakan perangkat Internet of things (IoT) yang dapat memantau kondisi kualitas air dan melakukan tindakan pencegahan berupa perberitahuan dini dan kontrol otomatis pada tiap-tiap aktuator di kolam budidaya. Beberapa sensor yang digunakan seperti Dissolved Oxygen (DO), Hydrogen Potential (pH), Turbidity, Suhu air dan Ketinggian air (Sensor ultrasonic). Selanjutnya data kualitas air akan dikirimkan ke server (Node-Red Platform) menggunakan komunikasi protokol MQTT (Message Queue Telemetry Transport). Pengolahan data yang dilakukan di Server menggunakan metode IFTTT (If This Then That) dan menghasilkan keputusan berupa perintah (command set) untuk mengontrol aktuator pada Node kontrol aktuator. Dari hasil pengujian performa, delay yang terjadi pada pengiriman data dari publisher ke subscriber diperoleh rata-rata 260 ms dengan menggunakan publik Broker HIVEMQ. Sedangkan pada pengujian kontrol otomatis, grafik respon menunjukan adanya aksi yang dilakukan oleh alat kontrol aktuator setelah mendapatkan command set yang dihasilkan metode IFTTT pada platform Node-Red.

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Yamin, Muhammad Ikrar, Son Kuswadi, and Sritrusta Sukaridhoto. "Real Performance Evaluation On MQTT and COAP Protocol in Ubiquitous Network Robot Platform (UNRPF) for Disaster Multi-robot Communication." EMITTER International Journal of Engineering Technology 6, no. 2 (December 29, 2018): 369–85. http://dx.doi.org/10.24003/emitter.v6i2.305.

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Disaster multi-robot has a significant role in a disaster area to do many tasks like detection of fire, search and rescue of victims, etc. It needs to build good communication between the operator and multi-robot and among multi-robot themselves to perform their tasks quickly and efficiently. This relates with the queue message protocol system. In this research, we implemented the queue message protocol on mesh topology and integrated it on the robot platform. Recently, development of IoT (Internet of Things) Technology causes development of communication protocol. MQTT and CoAP are among the communication protocols used for IoT needs.Â BothÂ protocols performance were compared when Â used and implemented into disaster multi-robot. We also integrated MQTT protocol and robotÂ platform python based (UNR-PF). The result shows that MQTT protocol is easier to beÂ implemented on to disaster multi-robot platform (UNR-PF) on mesh topology than CoAP, and that data transfer rate of MQTT protocol has data transfer rate higher than CoAP.

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Sahmi, Imane, Abderrahim Abdellaoui, Tomader Mazri, and Nabil Hmina. "MQTT-PRESENT: Approach to secure internet of things applications using MQTT protocol." International Journal of Electrical and Computer Engineering (IJECE) 11, no. 5 (October 1, 2021): 4577. http://dx.doi.org/10.11591/ijece.v11i5.pp4577-4586.

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The big challenge to raise for deploying the application's domain of the Internet of Things is security. As one of the popular messaging protocols in the IoT world, the message queue telemetry transport (MQTT) is designed for constrained devices and machine-to-machine communications, based on the publish-subscribe model, it offers a basic authentication using username and password. However, this authentication method might have a problem in terms of security and scalability. In this paper, we provide an analysis of the current research in the literature related to the security for the MQTT protocol, before we give a brief description of each algorithm used on our approach, to finally propose a new approach to secure this protocol based on AugPAKE algorithm and PRESENT encryption. This solution provides mutual authentication between the broker and their clients (publishers and subscribers), the confidentiality of the published message is protected twice, the integrity and non-repudiation of MQTT messages which is protected during the process of transmission.

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Sahlmann, Kristina, Vera Clemens, Michael Nowak, and Bettina Schnor. "MUP: Simplifying Secure Over-The-Air Update with MQTT for Constrained IoT Devices." Sensors 21, no. 1 (December 22, 2020): 10. http://dx.doi.org/10.3390/s21010010.

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Message Queuing Telemetry Transport (MQTT) is one of the dominating protocols for edge- and cloud-based Internet of Things (IoT) solutions. When a security vulnerability of an IoT device is known, it has to be fixed as soon as possible. This requires a firmware update procedure. In this paper, we propose a secure update protocol for MQTT-connected devices which ensures the freshness of the firmware, authenticates the new firmware and considers constrained devices. We show that the update protocol is easy to integrate in an MQTT-based IoT network using a semantic approach. The feasibility of our approach is demonstrated by a detailed performance analysis of our prototype implementation on a IoT device with 32 kB RAM. Thereby, we identify design issues in MQTT 5 which can help to improve the support of constrained devices.

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Silva, Daniel, Liliana I. Carvalho, José Soares, and Rute C. Sofia. "A Performance Analysis of Internet of Things Networking Protocols: Evaluating MQTT, CoAP, OPC UA." Applied Sciences 11, no. 11 (May 26, 2021): 4879. http://dx.doi.org/10.3390/app11114879.

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IoT data exchange is supported today by different communication protocols and different protocolar frameworks, each of which with its own advantages and disadvantages, and often co-existing in a way that is mandated by vendor policies. Although different protocols are relevant in different domains, there is not a protocol that provides better performance (jitter, latency, energy consumption) across different scenarios. The focus of this work is two-fold. First, to provide a comparison of the different available solutions in terms of protocolar features such as type of transport, type of communication pattern support, security aspects, including Named-data networking as relevant example of an Information-centric networking architecture. Secondly, the work focuses on evaluating three of the most popular protocols used both in Consumer as well as in Industrial IoT environments: MQTT, CoAP, and OPC UA. The experimentation has been carried out first on a local testbed for MQTT, COAP and OPC UA. Then, larger experiments have been carried out for MQTT and CoAP, based on the large-scale FIT-IoT testbed. Results show that CoAP is the protocol that achieves across all scenarios lowest time-to-completion, while OPC UA, albeit exhibiting less variability, resulted in higher time-to-completion in comparison to CoAP or MQTT.

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Jaloudi, Samer. "Communication Protocols of an Industrial Internet of Things Environment: A Comparative Study." Future Internet 11, no. 3 (March 7, 2019): 66. http://dx.doi.org/10.3390/fi11030066.

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Most industrial and SCADA-like (supervisory control and data acquisition) systems use proprietary communication protocols, and hence interoperability is not fulfilled. However, the MODBUS TCP is an open de facto standard, and is used for some automation and telecontrol systems. It is based on a polling mechanism and follows the synchronous request–response pattern, as opposed to the asynchronous publish–subscribe pattern. In this study, polling-based and event-based protocols are investigated to realize an open and interoperable Industrial Internet of Things (IIoT) environment. Many Internet of Things (IoT) protocols are introduced and compared, and the message queuing telemetry transport (MQTT) is chosen as the event-based, publish–subscribe protocol. The study shows that MODBUS defines an optimized message structure in the application layer, which is dedicated to industrial applications. In addition, it shows that an event-oriented IoT protocol complements the MODBUS TCP but cannot replace it. Therefore, two scenarios are proposed to build the IIoT environment. The first scenario is to consider the MODBUS TCP as an IoT protocol, and build the environment using the MODBUS TCP on a standalone basis. The second scenario is to use MQTT in conjunction with the MODBUS TCP. The first scenario is efficient and complies with most industrial applications where the request–response pattern is needed only. If the publish–subscribe pattern is needed, the MQTT in the second scenario complements the MODBUS TCP and eliminates the need for a gateway; however, MQTT lacks interoperability. To maintain a homogeneous message structure for the entire environment, industrial data are organized using the structure of MODBUS messages, formatted in the UTF-8, and then transferred in the payload of an MQTT publish message. The open and interoperable environment can be used for Internet SCADA, Internet-based monitoring, and industrial control systems.

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Park, Jun-Hong, Hyeong-Su Kim, and Won-Tae Kim. "DM-MQTT: An Efficient MQTT Based on SDN Multicast for Massive IoT Communications." Sensors 18, no. 9 (September 12, 2018): 3071. http://dx.doi.org/10.3390/s18093071.

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Edge computing is proposed to solve the problem of centralized cloud computing caused by a large number of IoT (Internet of Things) devices. The IoT protocols need to be modified according to the edge computing paradigm, where the edge computing devices for analyzing IoT data are distributed to the edge networks. The MQTT (Message Queuing Telemetry Transport) protocol, as a data distribution protocol widely adopted in many international IoT standards, is suitable for cloud computing because it uses a centralized broker to effectively collect and transmit data. However, the standard MQTT may suffer from serious traffic congestion problem on the broker, causing long transfer delays if there are massive IoT devices connected to the broker. In addition, the big data exchange between the IoT devices and the broker decreases network capability of the edge networks. The authors in this paper propose a novel MQTT with a multicast mechanism to minimize data transfer delay and network usage for the massive IoT communications. The proposed MQTT reduces data transfer delays by establishing bidirectional SDN (Software Defined Networking) multicast trees between the publishers and the subscribers by means of bypassing the centralized broker. As a result, it can reduce transmission delay by 65% and network usage by 58% compared with the standard MQTT.

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Hussein, Mahmoud, Ahmed I. Galal, Emad Abd-Elrahman, and Mohamed Zorkany. "Internet of Things (IoT) Platform for Multi-Topic Messaging." Energies 13, no. 13 (June 30, 2020): 3346. http://dx.doi.org/10.3390/en13133346.

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IoT-based applications operate in a client–server architecture, which requires a specific communication protocol. This protocol is used to establish the client–server communication model, allowing all clients of the system to perform specific tasks through internet communications. Many data communication protocols for the Internet of Things are used by IoT platforms, including message queuing telemetry transport (MQTT), advanced message queuing protocol (AMQP), MQTT for sensor networks (MQTT-SN), data distribution service (DDS), constrained application protocol (CoAP), and simple object access protocol (SOAP). These protocols only support single-topic messaging. Thus, in this work, an IoT message protocol that supports multi-topic messaging is proposed. This protocol will add a simple “brain” for IoT platforms in order to realize an intelligent IoT architecture. Moreover, it will enhance the traffic throughput by reducing the overheads of messages and the delay of multi-topic messaging. Most current IoT applications depend on real-time systems. Therefore, an RTOS (real-time operating system) as a famous OS (operating system) is used for the embedded systems to provide the constraints of real-time features, as required by these real-time systems. Using RTOS for IoT applications adds important features to the system, including reliability. Many of the undertaken research works into IoT platforms have only focused on specific applications; they did not deal with the real-time constraints under a real-time system umbrella. In this work, the design of the multi-topic IoT protocol and platform is implemented for real-time systems and also for general-purpose applications; this platform depends on the proposed multi-topic communication protocol, which is implemented here to show its functionality and effectiveness over similar protocols.

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Gao, Zhenyu, Jian Cao, Wei Wang, Huayun Zhang, and Zengrong Xu. "Online-Semisupervised Neural Anomaly Detector to Identify MQTT-Based Attacks in Real Time." Security and Communication Networks 2021 (September 13, 2021): 1–11. http://dx.doi.org/10.1155/2021/4587862.

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Industry 4.0 focuses on continuous interconnection services, allowing for the continuous and uninterrupted exchange of signals or information between related parties. The application of messaging protocols for transferring data to remote locations must meet specific specifications such as asynchronous communication, compact messaging, operating in conditions of unstable connection of the transmission line of data, limited network bandwidth operation, support multilevel Quality of Service (QoS), and easy integration of new devices. The Message Queue Telemetry Transport (MQTT) protocol is used in software applications that require asynchronous communication. It is a light and simplified protocol based on publish-subscribe messaging and is placed functionally over the TCP/IP protocol. It is designed to minimize the required communication bandwidth and system requirements increasing reliability and probability of successful message transmission, making it ideal for use in Machine-to-Machine (M2M) communication or networks where bandwidth is limited, delays are long, coverage is not reliable, and energy consumption should be as low as possible. Despite the fact that the advantage that MQTT offers its way of operating does not provide a serious level of security in how to achieve its interconnection, as it does not require protocol dependence on one intermediate third entity, the interface is dependent on each application. This paper presents an innovative real-time anomaly detection system to detect MQTT-based attacks in cyber-physical systems. This is an online-semisupervised learning neural system based on a small number of sampled patterns that identify crowd anomalies in the MQTT protocol related to specialized attacks to undermine cyber-physical systems.

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Mamlook, Rustom, Omer F. Khan, and Thabit Sultan Mohammed. "Bridging for cross protocol talk in IOT devices using windows communication foundation." International Journal of Engineering & Technology 7, no. 3.29 (August 24, 2018): 196. http://dx.doi.org/10.14419/ijet.v7i3.29.18794.

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In the Internet of Things (IoT), multiple communication protocols are used to connect the smart device. Wi-Fi, Xbee, ZigBee, Bluetooth, and LoRaWAN are some of the communication channels utilized for connectivity by devices using some IoT platform.In order to enable the development of smart services for IoT platforms, there are solutions by different vendors to connect between IoT devices. For example, multiple IoT platforms are available in the market namely IoTivity platform developed by Open Connectivity Foundation (OCF), AllJoyn platform from All Seen Alliance, Weave made by Google, and Home Kit by Apple. In view of such segmentation of IoT platforms, IoT Application’s development has been made complex, where IoT device and accompanying application compatibility with available platforms requires support for multiple protocols.To simplify the complexity introduced by multiple platforms, M2M [4] International standard was already proposed as the bridge for integrating IoT protocols. In our paper, we implement a proxy web service using Windows Communication Foundation (WCF) as a way to translate communication in one IoT protocol to another. In our implementation of middleware, we allowed the MQTT broker to accept messages, which were passed, to the Web Service from various devices over Hyper Text Protocol’s POST or GET Commands. Bridging between WCF Web Service and MQTT broker was enabled with duplex communication. Hence, devices supporting either HTTP protocol or MQTT protocol were able to communicate transparently.

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ALBUQUERQUE, J., D. CHEN, M. BASTOS, A. SOARES, and W. VALENZUELA. "UMA APLICAÇÃO IOT COM PROTOCOLO MQTT PERSISTINDO EM MONGODB." Revista SODEBRAS 15, no. 174 (June 2020): 54–58. http://dx.doi.org/10.29367/issn.1809-3957.15.2020.174.54.

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Hernández Ramos, Santiago, M. Teresa Villalba, and Raquel Lacuesta. "MQTT Security: A Novel Fuzzing Approach." Wireless Communications and Mobile Computing 2018 (2018): 1–11. http://dx.doi.org/10.1155/2018/8261746.

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The Internet of Things is a concept that is increasingly present in our lives. The emergence of intelligent devices has led to a paradigm shift in the way technology interacts with the environment, leading society to a smarter planet. Consequently, new advanced telemetry approaches appear to connect all kinds of devices with each other, with companies, or with other networks, such as the Internet. On the road to an increasingly interconnected world, where critical devices rely on communication networks to provide an essential service, there arises the need to ensure the security and reliability of these protocols and applications. In this paper, we discuss a security-based approach for MQTT (Message Queue Telemetry Transport), which stands out as a very lightweight and widely used messaging and information exchange protocol for IoT (Internet of Things) devices throughout the world. To that end, we propose the creation of a framework that allows for performing a novel, template-based fuzzing technique on the MQTT protocol. The first experimental results showed that performance of the fuzzing technique presented here makes it a good candidate for use in network architectures with low processing power sensors, such as Smart Cities. In addition, the use of this fuzzer in widely used applications that implement MQTT has led to the discovery of several new security flaws not hitherto reported, demonstrating its usefulness as a tool for finding security vulnerabilities.

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Larmo, Anna, Antti Ratilainen, and Juha Saarinen. "Impact of CoAP and MQTT on NB-IoT System Performance." Sensors 19, no. 1 (December 20, 2018): 7. http://dx.doi.org/10.3390/s19010007.

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The IoT protocols used for data transfer in the application layer, namely the Constraint Application Protocol (CoAP) and Message Queue Telemetry Transport (MQTT) have dependencies to the transport layer. The choice of transport, Transmission Control Protocol (TCP) or the User Datagram Protocol (UDP), on the other hand, has an impact on the Internet of Things (IoT) application level performance, especially over a wireless medium. Furthermore, we touch upon the impact of different security solutions. The motivation of this work is to look at the impact of the protocol stack on performance over a narrowband IoT (NB-IoT) link. The use case studied is infrequent small reports sent from the sensor device to a central cloud storage over a last mile radio access link. We find that while CoAP/UDP based transport performs consistently better both in terms of latency, coverage, and system capacity, MQTT/TCP also works when the system is less loaded.

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Najeeb, Nihaala, and Shelbi Joseph. "IoT Service Search using MQTT Protocol." International Journal of Computer Sciences and Engineering 7, no. 7 (July 31, 2019): 292–97. http://dx.doi.org/10.26438/ijcse/v7i7.292297.

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Kant, Daniel, Andreas Johannsen, and Reiner Creutzburg. "Analysis of IoT Security Risks based on the exposure of the MQTT Protocol." Electronic Imaging 2021, no. 3 (June 18, 2021): 96–1. http://dx.doi.org/10.2352/issn.2470-1173.2021.3.mobmu-096.

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Due to the tremendous growth of Internet of Things (IoT) applications - e.g. smart homes, smart grids, smart factories – and the emerging integration into industrial systems, the cyber threat landscape for IoT and IIoT applications is rapidly evolving. Security by Design principles are still widely neglected in the design of IoT devices and protocols. For consumer IoT, the privacy of the applicant can be compromised when devices are inappropriately secured. With regard to Industrial IoT, the usage of insecure IIoT protocols such as MQTT can have a severe impact on the industrial environment such as failure or impairment of production systems. We evaluate the prevalence of exposed IoT and IIoT devices related to the protocol MQTT by means of the search engine Shodan. The approach, design and results of our analysis are summarized in this paper.

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Shaikh, Arefa Shafique. "A Survey on Exchanging Data Using MQTT Protocol in Arduino." International Journal for Research in Applied Science and Engineering Technology 9, no. VII (July 31, 2021): 3081–82. http://dx.doi.org/10.22214/ijraset.2021.37007.

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In the coming years, sensors will likely grow in every aspect of our lives. Several activities explain how the Internet of Things (IoT) will have an impact on almost all aspect of our lives and why security is at the top of the list of IoT challenges. Device to Device communications (D2D) in IoT are forecast and another major concern within the use of IoT is to make sure device security, D2D connectivity and high quality data. Therefore, a proper communication protocol is required to fix this issues. To address this, we purpose the use of Message Queue Telemetry Transport(MQTT)protocol to transfer data between devices, as it is more secured. MQTT (Message Queuing Telemetry Transport) is a publish/subscribe messaging protocol which works on top of the TCP/IP protocol. The key feature of MQTT is its light weight, adds flexible authentication and bandwidth efficiency. The result of this study is transferring high quality data securely using MQTT protocol.

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Gopi Krishna, P., K. Sreenivasa Ravi, K. Hari Kishore, K. KrishnaVeni, K. N. Siva Rao, and R. D. Prasad. "Design and development of bi-directional IoT gateway using ZigBee and Wi-Fi technologies with MQTT protocol." International Journal of Engineering & Technology 7, no. 2.8 (March 19, 2018): 125. http://dx.doi.org/10.14419/ijet.v7i2.8.10344.

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With evolution of the smart things, to acquire data, gateways play a major role in interconnecting with various sensor nodes. Using different wireless protocols and standards with sensor nodes, gateway can transform information into a unique format that transmits into the cloud for further use. Which accepts the commands from external users in the remote location through a personal computer or a smartphone? The proposed gateway has its added advantages; (i) ZigBee and Wi-Fi wireless technologies connectivity is enabled, (ii) transforms the information into required protocol format, (iii) uses a light weighted MQTT protocol in transmitting and receiving environment, (iv) It provides the storage and analyzed data and (v) the sensor values can be observed and the devices can be controlled by a smartphone from remote location. Here we demonstrate the proof of concept for controlling the smart home appliances. This also represents a design and implementation of Bi-Directional IoT gateway using ZigBee and Wi-Fi technologies with MQTT protocol.

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Pramukantoro, Eko Sakti, and Husnul Anwari. "An Event-based Middleware for Syntactical Interoperability in Internet of Things." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 5 (October 1, 2018): 3784. http://dx.doi.org/10.11591/ijece.v8i5.pp3784-3792.

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Internet of Things (IoT) connecting sensors or devices that record physical observations of the environment and a variety of applications or other Internet services. Along with the increasing number and diversity of devices connected, there arises a problem called interoperability. One type of interoperability is syntactical interoperability, where the IoT should be able to connect all devices through various data protocols. Based on this problem, we proposed a middleware that capable of supporting interoperability by providing a multi-protocol gateway between COAP, MQTT, and WebSocket. This middleware is developed using event-based architecture by implementing publish-subscribe pattern. We also developed a system to test the performance of middleware in terms of success rate and delay delivery of data. The system consists of temperature and humidity sensors using COAP and MQTT as a publisher and web application using WebSocket as a subscriber. The results for data transmission, either from sensors or MQTT COAP has a success rate above 90%, the average delay delivery of data from sensors COAP and MQTT below 1 second, for packet loss rate varied between 0% - 25%. The interoperability testing has been done using Interoperability assessment methodology and found out that ours is qualified.

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Mishra, Biswajeeban, Biswaranjan Mishra, and Attila Kertesz. "Stress-Testing MQTT Brokers: A Comparative Analysis of Performance Measurements." Energies 14, no. 18 (September 14, 2021): 5817. http://dx.doi.org/10.3390/en14185817.

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Presently, Internet of Things (IoT) protocols are at the heart of Machine-to-Machine (M2M) communication. Irrespective of the radio technologies used for deploying an IoT/M2M network, all independent data generated by IoT devices (sensors and actuators) rely heavily on the special messaging protocols used for M2M communication in IoT applications. As the demand for IoT services is growing, the need for reduced power consumption of IoT devices and services is also growing to ensure a sustainable environment for future generations. The Message-Queuing Telemetry Transport or in short MQTT is a widely used IoT protocol. It is a low-resource-consuming messaging solution based on the publish–subscribe type communication model. This paper aims to assess the performance of several MQTT broker implementations (also known as MQTT servers) using stress testing, and to analyze their relationship with system design. The evaluation of the brokers is performed by a realistic test scenario, and the analysis of the test results is done with three different metrics: CPU usage, latency, and message rate. As the main contribution of this work, we analyzed six MQTT brokers (Mosquitto, Active-MQ, Hivemq, Bevywise, VerneMQ, and EMQ X) in detail, and classified them using their main properties. Our results showed that Mosquitto outperforms the other considered solutions in most metrics; however, ActiveMQ is the best performing one in terms of scalability due to its multi-threaded implementation, while Bevywise has promising results for resource-constrained scenarios.

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Al-Azam, Moh Noor, Darian Rizaludin, Yulius Satmoko Raharjo, and Aryo Nugroho. "Message Queuing Telemetry Transport dalam Internet of Things menggunakan ESP-32." JURNAL MEDIA INFORMATIKA BUDIDARMA 3, no. 3 (July 30, 2019): 159. http://dx.doi.org/10.30865/mib.v3i3.1160.

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Message Queuing Telemetry Transport (MQTT) is a connectivity protocol between machines or now better known as the Internet of Things (IoT). This protocol recognizes two basic functions of M2M communication, namely publish and subscribe (pub/sub). The MQTT protocol is designed as a very simple and very lightweight message delivery protocol, designed for devices that are limited and with low bandwidth capacity, high latency or on an unreliable network. The design principles are to minimize bandwidth requirements and device resource requirements, and keep trying to ensure reliability and guaranteed delivery rates. In this paper, VerneMQ performance reliability is tested - one of the MQTT brokers, with several stressing levels using ESP-32 as a publisher and notebook with the python application as a subscriber.

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Vaccari, Ivan, Maurizio Aiello, and Enrico Cambiaso. "SlowTT: A Slow Denial of Service against IoT Networks." Information 11, no. 9 (September 18, 2020): 452. http://dx.doi.org/10.3390/info11090452.

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The security of Internet of Things environments is a critical and trending topic, due to the nature of the networks and the sensitivity of the exchanged information. In this paper, we investigate the security of the Message Queue Telemetry Transport (MQTT) protocol, widely adopted in IoT infrastructures. We exploit two specific weaknesses of MQTT, identified during our research activities, allowing the client to configure the KeepAlive parameter and MQTT packets to execute an innovative cyber threat against the MQTT broker. In order to validate the exploitation of such vulnerabilities, we propose SlowTT, a novel “Slow” denial of service attack aimed at targeting MQTT through low-rate techniques, characterized by minimum attack bandwidth and computational power requirements. We validate SlowTT against real MQTT services, by considering both plaintext and encrypted communications and by comparing the effects of the attack when targeting different application daemons and protocol versions. Results show that SlowTT is extremely successful, and it can exploit the identified vulnerability to execute a denial of service against the IoT network by keeping the connection alive for a long time.

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Atmoko, Rachmad Andri, Daoguo Yang, M. Yayan Alfiani, and Lilik Subiyanto. "Controlling Unmanned Surface Vehicle Using MQTT Protocol." Journal Of Computer Networks, Architecture and High Performance Computing 1, no. 2 (July 16, 2019): 21–28. http://dx.doi.org/10.47709/cnapc.v1i2.229.

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Abstract- The communication system at USV is the most important part of ensuring that the USV control system runs well. Communication systems that are commonly used at USV are generally still local networks. The development of a wider range of communications is needed to improve USV scalability so that the benefits can be increased to support the concept of remote laboratory and remote surveillance. USV is generally controlled using a wireless network with a limited work area using WIFI or using another electromagnetic waves transmission. This research proposes the development control and monitoring systems of USV to be controlled over the Internet by using the message queuing telemetry transport(MQTT) Protocol. This idea makes the USV can be controlled remotely, no longer have to operate it in the field. The control speed response of rudder and motor are analyzed. Performance monitoring of the compass sensor, GPS, and cameras also showed good results. As a result, the average delay time generated is 1.6 second.

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Quincozes, Silvio, Tubino Emilio, and Juliano Kazienko. "MQTT Protocol: Fundamentals, Tools and Future Directions." IEEE Latin America Transactions 17, no. 09 (September 2019): 1439–48. http://dx.doi.org/10.1109/tla.2019.8931137.

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Vujaković, Miljana. "KOMUNIKACIONE TEHNOLOGIJE INTERNETA STVARI SA PRIMENOM U INDUSTRIJI." Zbornik radova Fakulteta tehničkih nauka u Novom Sadu 35, no. 11 (October 29, 2020): 1918–21. http://dx.doi.org/10.24867/10be11vujakovic.

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U radu je prezentovana komparativna analiza komunikacionih CoAP i MQTT komunikacionih tehnologija za internet stvari. Dodatno, eksperimentalno su određivani faktori performansi CoAP, MQTT protokola. Predstavljena je ideja hijerarhijskog, multiprotokolskog rešenja za online nadgledanje bandera pametnih mreža oslanjanjem na analizirane protokole.

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H. Amaran, M., M. S. Rohmad, L. H. Adnan, N. N. Mohamed, and H. Hashim. "Lightweight Security for MQTT-SN." International Journal of Engineering & Technology 7, no. 4.11 (October 2, 2018): 223. http://dx.doi.org/10.14419/ijet.v7i4.11.20811.

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This study discusses a method to secure Message Queuing Telemetry Transport-Sensor network (MQTT-SN). MQTT-SN is a popular data communication protocol used in developing IoT applications and can be secured by augmenting it with a security scheme. In this work, several lightweight encryption schemes to be used in tandem with MQTT-SN were tested and analysed. The best algorithm is identified based on the speed of encryption and overall power consumption when implemented in IoT environment. It was found that L-BLOCK is the overall performer in securing MQTT-SN and should be highly considered when developing IoT applications.

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H. Amaran, M., M. S. Rohmad, L. H. Adnan, N. N. Mohamed, and H. Hashim. "Lightweight Security for MQTT-SN." International Journal of Engineering & Technology 7, no. 4.11 (October 2, 2018): 262. http://dx.doi.org/10.14419/ijet.v7i4.11.21389.

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This study discusses a method to secure Message Queuing Telemetry Transport-Sensor network (MQTT-SN). MQTT-SN is a popular data communication protocol used in developing IoT applications and can be secured by augmenting it with a security scheme. In this work, several lightweight encryption schemes to be used in tandem with MQTT-SN were tested and analysed. The best algorithm is identified based on the speed of encryption and overall power consumption when implemented in IoT environment. It was found that L-BLOCK is the overall performer in securing MQTT-SN and should be highly considered when developing IoT applications.

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Budiana, Mochamad Soebagja, Ridha Muldina Negara, Arif Indra Irawan, and Harashta Tatimma Larasati. "Advanced detection Denial of Service attack in the Internet of Things network based on MQTT protocol using fuzzy logic." Register: Jurnal Ilmiah Teknologi Sistem Informasi 7, no. 2 (April 19, 2021): 95. http://dx.doi.org/10.26594/register.v7i2.2340.

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Message Queuing Telemetry Transport (MQTT) is one of the popular protocols used on the Internet of Things (IoT) networks because of its lightweight nature. With the increasing number of devices connected to the internet, the number of cybercrimes on IoT networks will increase. One of the most popular attacks is the Denial of Service (DoS) attack. Standard security on MQTT uses SSL/TLS, but SSL/TLS is computationally wasteful for low-powered devices. The use of fuzzy logic algorithms with the Intrusion Detection System (IDS) scheme is suitable for detecting DoS because of its simple nature. This paper uses a fuzzy logic algorithm embedded in a node to detect DoS in the MQTT protocol with feature selection nodes. This paper's contribution is that the nodes feature selection used will monitor SUBSCRIBE and SUBACK traffic and provide this information to fuzzy input nodes to detect DoS attacks. Fuzzy performance evaluation is measured against changes in the number of nodes and attack intervals. The results obtained are that the more the number of nodes and the higher the traffic intensity, the fuzzy performance will decrease, and vice versa. However, the number of nodes and traffic intensity will affect fuzzy performance.

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Ho, Nam, and Choong Seon Hong. "Secure MQTT Protocol based on Attribute-Based Encryption Scheme." Journal of KIISE 45, no. 3 (March 31, 2018): 195–99. http://dx.doi.org/10.5626/jok.2018.45.3.195.

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Susanto, Bekti Maryuni, Ery Setiyawan Jullev Atmadji, and Willy Laurent Brenkman. "IMPLEMENTASI MQTT PROTOCOL PADA SMART HOME SECURITY BERBASIS WEB." Jurnal Informatika Polinema 4, no. 3 (May 1, 2018): 201. http://dx.doi.org/10.33795/jip.v4i3.207.

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Penggunaan IoT semakin berkembang dalam waktu singkat, hal ini dikarenakan oleh semakin berkembangnya teknologi informasi. Hal ini menyebabkan keterlibatan banyak device yang saling terkoneksi dengan sensor yang terpasang pada lingkungan. Sehingga dengan adanya banyak device maka menyebabkan permasalahan interoperabilitas dari masing-masing alat. Untuk mengatasi hal tersebut maka diperlukan sebuah gateway atau protocol yang mampu menjembatani interoperabilitas tersebut. Salah satu tugas Gateway atau protocol tersebut adalah harus mampu menangani permasalahan interoperabilitas serta mampu menangani permintaan maupun device profile dari masing-masing sensor maupun device yang terkoneksi. MQTT sendiri adalah sebuah protocol konektifitas machine to machine (M2M) yang didesain mampu mengirimkan data dengan sangat ringan menggunakan arsitektur TCP/IP. Pada MQTT sendiri mempunyai keunggulan yaitu dapat mengirimkan data dengan bandwith yang ringan, konsumsi listrik yang sedikit, latensi serta konektifitas yang sangat tinggi, ketersediaan variable yang banyak serta jaminan pengiriman data yang dapat dinegosiasikan. Paper ini membahas tentang implementasi MQTT protocol pada smart home security berbasis web. Topik ini dipilih karena keamanan rumah merupakan permasalahan yang sangat penting, apalagi saat kita meninggalkan rumah.

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Jun, Hyun-Ji, and Hyo-Sik Yang. "Performance of the XMPP and the MQTT Protocols on IEC 61850-Based Micro Grid Communication Architecture." Energies 14, no. 16 (August 16, 2021): 5024. http://dx.doi.org/10.3390/en14165024.

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As micro grids are gradually being deployed in many areas, communication technology is becoming important for collecting data and controlling devices in micro grids. In a micro grid, various devices are distributed and perform their respective functions. These devices exchange information with each other and transmit information to the micro grid management system. This micro grid environment is similar to the IoT environment in which information is exchanged in the presence of a large number of devices. Recent studies have tried to apply various IoT protocols as a communication protocol in the micro grid. However, the data model used in current research is limited in proprietary data mapping. Recently, IEC TC 57 published another IEC 61850 series which maps the IEC 61850 services to XMPP (eXtensible Messaging Presence Protocol), which was the first IoT protocol mapping of IEC 61850. Few research has shown that the mapping of the IEC 61850 data model to the IoT protocol and communication boundary is limited in a lab environment. We developed a micro grid test-bed with an IEC 61850 data and service model, and mapped to two IoT protocols, that is, XMPP and the MQTT (Message Queuing Telemetry Transport). By combining IoT protocol with the IEC 61850 data and service model, the proposed micro grid architecture can provide interoperability with any DMS or other power utility system. Performance analysis was conducted on the test-bed by measuring various metrics, such as the response time, packet size, and packet loss, over a public network.

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Journal articles on the topic 'MQTT protokol'

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