scholarly journals Analysis of Network Reliability of Network Synchronization

Telecom IT ◽  
2020 ◽  
Vol 8 (4) ◽  
pp. 93-99
Author(s):  
M. Lobastova ◽  
A. Matyukhin ◽  
A. Muthanna
Keyword(s):  
Communication Networks ◽  
Structural Reliability ◽  
Network Reliability ◽  
Clock Synchronization ◽  
Search Method ◽  
Research Subject ◽  
Reliability Indicators ◽  
Network Method ◽  
Synchronization Signal ◽  
Digital Communication Networks

This article describes the challenges of modern communication networks reliability, analyses ITU-T recommendations and regulations governing the communication networks reliability in Russian Federation. The network clock network is an integral part of digital communication networks. Therefore, the issue of the synchronization network reliability should be given great attention. Research subject. In this article, we discussed the reliability of the clock synchronization network. Method. The main mathematical tools are graph theory and probability theory. To implement the proposed method for assessing the structural reliability of the synchronization network, the direct search method is used. Core results. The results allow us to conclude that the proposed method can be applied to assess the structural reliability of the clock synchronization network. Practical relevance. The solution proposed in this article can be used for a reasonable assessment of the network structural reliability indicators, which is necessary for making a decision on the choice of a route for transmitting a synchronization signal.

From cities to networks: Power rules

2021 ◽  
pp. 1468795X2110220
Author(s):  
Manuel Castells
Keyword(s):  
Social Organization ◽  
Communication Networks ◽  
Human Activities ◽  
Social Life ◽  
Power Relations ◽  
Digital Communication ◽  
Spatial Structures ◽  
Digital Communication Networks

Power relations are the source of social organization and institutions. This has been observed and theorized by the author in relation to various realms of social life, such as the formation of spatial structures and the networking of human activities around digital communication networks.

USING THE FLOYD-WARSHALL ALGORITHM TO FIND THE TRANSMISSION ROUTE OF THE SYNCHRONIZATION SIGNAL WITH A MINIMUM NUMBER OF RECEPTIONS

2020 ◽  
Author(s):  
М.В. Лобастова ◽  
А.Ю. Матюхин
Keyword(s):  
Clock Synchronization ◽  
Digital Transmission ◽  
Transmission Route ◽  
Network Synchronization ◽  
Transmission Systems ◽  
Clock Network ◽  
Synchronization Signal ◽  
Minimum Number ◽  
Efficient Route ◽  
Effective Use

Эффективное применение цифровых систем передачи невозможно без грамотной организации тактовой син- хронизации. В статье рассмотрена одна из проблем организации тактовой сетевой синхронизации передача сигнала синхронизации с минимальным числом переприемов. Для поиска наиболее эффективного маршрута для передачи сигнала синхронизации предлагается использовать алгоритм Флойда-Уоршалла. Effective use of digital transmission systems is impossible without the competent organization of clock synchronization. The article considers one of the problems of organizing clock network synchronization, namely, the transmission of a synchronization signal with a minimum number of re-receptions. To find the most efficient route for transmitting the synchronization signal, it is proposed to use the Floyd-Warshall algorithm.

scholarly journals Features of Estimation of Structural Reliability of Power Supply Systems

2019 ◽  
Vol 139 ◽  
pp. 01032
Author(s):  
Boris Papkov ◽  
Vladimir Osokin
Keyword(s):  
Distributed Generation ◽  
Power Supply ◽  
Structural Reliability ◽  
Renewable Energy Sources ◽  
Integral Characteristic ◽  
Electric Power System ◽  
Mathematical Apparatus ◽  
Reliability Indicators ◽  
Demand Changes ◽  
Supply Systems

Development and operation of modern power supply systems of consumers which are the part of distributed generation (DG) systems with their communication with electric power system (EPS) and renewable energy sources (RES) demand changes in estimation of their reliability indicators on the basis of corresponding mathematical apparatus. It is shown that DG systems refer to structures with several overlapping zones of action, which determines their peculiarities, which are represented by some integral characteristic - efficiency of operation, which characterizes the degree of expediency of use of the DG system in different modes. The approach based on evaluation of effectiveness of such systems is offered. Examples of calculation of relatively simple structures of DG systems performing several tasks simultaneously are given.

Democracy, Planning, and Big Data

2020 ◽  
pp. 28-41
Author(s):  
Kees Van der Pijl
Keyword(s):  
Big Data ◽  
Communication Networks ◽  
Computer Technology ◽  
Knowledge Economy ◽  
Digital Communication ◽  
The Internet ◽  
Information Revolution ◽  
The Social ◽  
Digital Communication Networks

Starting in the late 1960s, the development of the productive forces of society entered a new stage: the Information Revolution, an era focused on the application of information theories such as cybernetics combined with advances in computer technology and digital communication networks, culminating in the Internet. Under capitalist conditions, this has already resulted in a knowledge economy, but the social, auto-regulatory possibilities it opens up are bound to be incompatible with the private appropriation characteristic of capitalism.

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