[IEEE 2019 International Conference on Information Science and Communications Technologies (ICISCT) - Tashkent, Uzbekistan (2019.11.4-2019.11.6)] 2019 International Conference on Information Science and Communications Technologies (ICISCT) - Analysis and research of capacity, latency and other characteristics of backbone multiservice networks based on simulation modeling using different routing protocols and routers from various manufacturers for using the results when designing and modernization of multiservice networks