The concept and definition of engineering analysis as a subject discipline. Dimensional analysis of physical quantities. Application procedures in engineering analysis techniques and technology, traffic and transport and communication engineering. Classification of engineering concepts, issues, tools, procedures, methods and solutions. Definitions, basic elements and flows of the system. Engineering analysis of the system. Modeling systems development (process and project-technical documentation). The observation and analysis of system methodologies. Identifying (communication, visualization, instrumentation) of direct and inverse problems. Defining the problem, methods of measurement, presentation and mapping of elements of the problem. Models and tools to solve problems. Optimization solution to the problem. Implementation and control of the results. Experiments in the system (baseline, types and legality, processing and analysis of the results). Innovative processes (management and organization through creativity, innovation and communication). Web engineering in the postal and telecommunications traffic.