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An Experimental Framework for Secure and Reliable Data Streams Distribution in Federated IoT Environments

Sychowiec Jakub, Zielinski Zbigniew

Annals of Computer Science and Information Systems

2023

Vol. 35

769--780

An increasing number of Internet of Things (IoT) applications are based on a federated environment. Examples include the creation of federations of NATO countries and non-NATO entities participating in missions (Federated Mission Networking) or the interaction of civilian services and the military when providing Humanitarian Assistance And Disaster Relief. Federations are often formed on an ad hoc basis, with the primary goal of combining forces in a federated mission environment at any time, on short notice, and with optimization of the resources involved. One of the leading security challenges in a federated environment of separate IoT administrative domains is effective identity and access management, which is the basis for establishing a relationship of trust and secure communication between IoT devices belonging to different partners. When carrying out missions involving the military and ensuring security, meeting requirements for immediate interoperability is important. In the paper, an attempt has been made to develop a system architecture framework for secure and reliable data streams distribution in a multi-organizational federation environment, where data authentication is based on IoT device identity (fingerprint). Moreover, a hardware-software IoT gateway has been proposed for the verification process and the integration of Hyperledger Fabric's distributed ledger technology, the Apache Kafka message broker, and data-processing microservices implemented using the Kafka Streams API library. The performance tests conducted confirm the suitability of the developed system framework for processing and distributing audio-video data in a federation IoT environment. Also, a high-level security and reliability assessment was conducted in the paper.

Analiza użyteczności usługi wideokonferencji Microsoft Teams do nauczania zdalnego na uczelni wyższej

Kister Radosław, Konecki Bartosz, Sychowiec Jakub, Twarowski Rafał

Przegląd Teleinformatyczny

2020

T. 8, Nr 1-4 (26)

31--58

Usługa wideokonferencji, jaką jest Microsoft Teams, jest rodzajem usługi w modelu „cloud computing” typu SaaS (Software as a Service). W ramach tej usługi jej użytkownicy mogą przesyłać obraz ze swoich kamer, dźwięk ze swoich mikrofonów, tekst (chat) i załączniki (pliki). Udostępniane są też różne funkcje zarządzania komunikacją przez organizatora wideokonferencji. W artykule opisano wyniki badania użyteczności wybranych funkcji płatnej usługi, ze względu na przydatność w prowadzeniu nauczania zdalnego na uczelni wyższej.

The videoconference communication platform, which is Microsoft Teams, is a type of service implemented in the SaaS (Software as a Service) cloud computing model. Users of this platform can distribute signals from their cameras and microphones, text via chat, and files as attachments. The service provides various communication management functions available for the videoconference organizer. The paper presents results of usability study on selected functions of this paid service, due to its usefulness in remote learning.