Temat: system peer-to-peer - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: A branch hash function as a method of message synchronization in anonymous P2P conversations
Autorzy:: Kobusińska, A.
Brzeziński, J.
Boroń, M.
Inatlewski, Ł.
Jabczyński, M.
Maciejewski, M.
Powiązania:: https://bibliotekanauki.pl/articles/331275.pdf
Data publikacji:: 2016
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: peer-to-peer system
synchronization algorithm
conversations
anonymity
system peer-to-peer
algorytm synchronizacji
anonimowość
Opis:: Currently existing solutions rarely protect message integrity, authenticity and user anonymity without burdening the user with details of key management. To address this problem, we present Aldeon—a protocol for anonymous group conversations in a peer-to-peer system. The efficiency of Aldeon is based on a novel tree synchronization algorithm, which is proposed and discussed in this paper. By using this algorithm, a significant reduction in the number of exchanged messages is achieved. In the paper, the formal definition of the proposed hash branch function and the proof of its efficiency are presented.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2016, 26, 2; 479-493
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: A holistic study on the use of blockchain technology in CPS and IoT architectures maintaining the CIA triad in data communication
Autorzy:: Bhattacharjya, Aniruddha
Powiązania:: https://bibliotekanauki.pl/articles/2172111.pdf
Data publikacji:: 2022
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: CPS
blockchain Internet of things
IIoT
DDoS
ARP spoofing
M2M
machine-to-machine
peer-to-peer system
P2P
CIA triad
Internet rzeczy
ARP
peer-to-peer
Opis:: Blockchain-based cyber-physical systems (CPSs) and the blockchain Internet of things (BIoT) are two major focuses of the modern technological revolution. Currently we have security attacks like distributed denial-of-service (DDoS), address resolution protocol (ARP) spoofing attacks, various phishing and configuration threats, network congestion, etc. on the existing CPS and IoT architectures. This study conducts a complete survey on the flaws of the present centralized IoT system’s peer-to-peer (P2P) communication and the CPS architecture’s machine-to-machine (M2M) communication. Both these architectures could use the inherent consensus algorithms and cryptographic advantages of blockchain technology. To show how blockchain technology can resolve the flaws of the existing CPS and IoT architectures while maintaining confidentiality, integrity, and availability (the CIA triad), we conduct a holistic survey here on this topic and discuss the research focus in the domain of the BIoT. Then we analyse the similarities and dissimilarities of blockchain technology in IoT and CPS architectures. Finally, it is well understood that one should explore whether blockchain technology will give advantages to CPS and IoT applications through a decision support system (DSS) with a relevant mathematical model, so here we provide the DSS with such a model for this purpose.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2022, 32, 3; 403--413
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: System for Calibrating Analogue Merging Units in Absence of Synchronization Signals
Autorzy:: Cheng, H.-M.
Huang, Q.-F.
Ji, F.
Xu, Q.
Liu, J.
Tian, Z.
Powiązania:: https://bibliotekanauki.pl/articles/221084.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: intelligent substation
analogue merging unit
peer-to-peer communication
calibration system
synchronization signal
Opis:: Synchronization signals are requisite for calibrating electrical measurement devices with digital output when using conventional calibration methods. However, since the signal sampling process of the analogue merging units (MUs) operating in an intelligent substation does not rely on external synchronization signals, accuracy calibration without the use of synchronization signals is of particular importance in order to guarantee the measurement accuracy in practical situations. So far, very little research on calibration systems independent of synchronization signals has been performed. This paper presents a design of the calibration system without dependence on synchronization signals. To verify the feasibility of the proposed design, the designed system and a conventional calibration system have been employed in testing the accuracy of the same analogue MU of a 0.2 accuracy class. The comparison of the test results shows that the differences of ratio errors are below 0.02%, and the maximum difference of phase errors is about 4′. This paper also provides a new efficient and significant calibration method which does not require any external synchronization signals.
Źródło:: Metrology and Measurement Systems; 2018, 25, 1; 129-138
0860-8229
Pojawia się w:: Metrology and Measurement Systems
Dostawca treści:: Biblioteka Nauki

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