Development of Models for Assessing the Reliability of Fiber-optic Communication Lines

The purpose of the final qualification work is to reduce the error in assessing the reliability of fiber-optic communication lines and reduce the time for calculating reliability indicators. In the course of the work, a study of the subject area was conducted, a review of domestic and foreign literature was conducted, and the technologies of data transmission of FOCL were considered. At the next stage of the work, the theoretical functioning is described: a review of methods for assessing reliability and the choice of an alternative method for analyzing hierarchies for use in development. Next, the operability was checked: state models were built for the specified trunk network topologies, mathematical models were compiled, and network reliability indicators were calculated. Upon completion of the development, a comparative analysis of the reliability indicators obtained in the calculations by the proposed method with the indicators calculated by the standard method was carried out, and the developed program for automating calculations was tested. The result of the work is models for evaluating the reliability of fiber-optic communication lines, including: transition graphs, mathematical models, and a program for automating calculations. Keywords: reliability, FOCL, reliability assessment models, reliability of backbone networks. The work consists of 92 pages, is made with the involvement of 31 sources, contains 16 tables, 40 figures, 29 formulas, 4 appendices.