It was described the mathematic model of network hub as a queuing system with heterogeneous input flow. The task was solved for the case of superposition of different rate flows. High definition of the task overcomes using the method of phase enlargement of markov chain states.
computer networks, management, mathematical design, optimization, the resources of knots of computer network
"Odnokanalnaia kompiuternaia set s neodnorodnыm vkhodnыm potokom zaiavok bez pryorytetov" ,
Information Processing Systems,