A Model for the Complex Topology of SDH Telecommunication Networks

2010 ◽  
Author(s):  
J.P. Cárdenas ◽  
A. Santiago ◽  
R.M. Benito ◽  
M.L. Mouronte ◽  
V. Feliu
Keyword(s):  
Telecommunication Networks ◽  
Complex Topology

scholarly journals AN ALGORITHM FOR ASSESSING THE AVAILABILITY CRITERIA IN TELECOMMUNICATION NETWORKS

2018 ◽  
pp. 219-225
Author(s):  
Yuri M. Monakhov ◽  
Mikhail Yu. Monakhov ◽  
Vladimir N. Lantsov
Keyword(s):  
Telecommunication Networks ◽  
Boundary Values ◽  
Telecommunication System ◽  
Arithmetic Average ◽  
Mean Error ◽  
Data Links ◽  
Ip Network ◽  
Complex Topology ◽  
The Mean ◽  
Relative Errors

This article describes the method for estimating the availability of TCP/IP virtual data links and the TCP/IP network as a whole. As criterion of availability, authors consider boundary values, i.e. the minimum availability of network when the majority of the tasks are carried out via channels with the minimum availability, and the maximum availability of network when the majority of the tasks are carried out via channels with the maximum availability. After the minimum and maximum availability of channels have been estimated, it is possible to use the rated distance for assessment of availability value for the network as a whole Authors offer the analytical model of evaluating availability of telecommunication system components based on the Kolmogorov distance. Authors also brought up and tested an algorithm that allows computing the scalar value of availability of network with complex topology. Experiments have shown that the mean error of assessment (an arithmetic average from relative errors of all channels of this network) equals approximately 14.5% and only 25% of total number of relative errors by channel considerably exceed a mean error.

The use of mass media and information and telecommunication networks as an evidence of offences punished for illegal trafficking of items and materials

2020 ◽  
Vol 2020 (4) ◽  
pp. 80-88
Author(s):  
Andrey Antipov
Keyword(s):  
Mass Media ◽  
Russian Federation ◽  
Criminal Code ◽  
Telecommunication Networks ◽  
Russian Society ◽  
Law Enforcement Agencies ◽  
The Russian Federation ◽  
Illicit Trafficking ◽  
Special Control ◽  
Comprehensive Study

In This paper is dedicated to the examination of one of the most relevant and significant problems of Russian society – illegal trafficking of items and materials, carried out using mass media andinformation and telecommunication networks. Top officials of the state raise the issue of the importance of special control in this area by law enforcement agencies. Despite this attention, comprehensive study on the criminal-legal significance of the use of mass media and information and telecommunication networks in illegal trafficking has not been yet undertaken in the frame of criminal law of Russia. The author examines the concept of «illegal traffic», analyses the texts of the articles of the criminal code of the Russian Federation, which explicitly criminalize illicit trafficking. The author makes a conclusion about the reasonableness of making changes to certain articles of the criminal code of the Russian Federation, in regard to the part concerning establishing stricter penalties for committing socially dangerous acts using mass media and information and telecommunication networks.

scholarly journals Ultracompact and low-power-consumption silicon thermo-optic switch for high-speed data

Nanophotonics ◽  
2020 ◽  
Vol 10 (2) ◽  
pp. 937-945
Author(s):  
Ruihuan Zhang ◽  
Yu He ◽  
Yong Zhang ◽  
Shaohua An ◽  
Qingming Zhu ◽  
...  
Keyword(s):  
Power Consumption ◽  
Low Power ◽  
High Speed ◽  
High Performance ◽  
Pulse Amplitude ◽  
Telecommunication Networks ◽  
Low Power Consumption ◽  
Power Efficient ◽  
High Speed Data ◽  
On Chip

AbstractUltracompact and low-power-consumption optical switches are desired for high-performance telecommunication networks and data centers. Here, we demonstrate an on-chip power-efficient 2 × 2 thermo-optic switch unit by using a suspended photonic crystal nanobeam structure. A submilliwatt switching power of 0.15 mW is obtained with a tuning efficiency of 7.71 nm/mW in a compact footprint of 60 μm × 16 μm. The bandwidth of the switch is properly designed for a four-level pulse amplitude modulation signal with a 124 Gb/s raw data rate. To the best of our knowledge, the proposed switch is the most power-efficient resonator-based thermo-optic switch unit with the highest tuning efficiency and data ever reported.

scholarly journals Birefringence and Polarization Mode Dispersion Phenomena of Commercial Optical Fiber in Telecommunication Networks

2020 ◽  
Vol 1655 ◽  
pp. 012160
Author(s):  
Saktioto ◽  
Yoli Zairmi ◽  
Velia Veriyanti ◽  
Wahyu Candra ◽  
Romi Fadli Syahputra ◽  
...  
Keyword(s):  
Optical Fiber ◽  
Polarization Mode Dispersion ◽  
Telecommunication Networks ◽  
Polarization Mode ◽  
Mode Dispersion
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