DATA FLOWS CONTROL IN DIGITAL TELECOMMUNICATION NETWORKS WITH HETEROGENEOUS TRAFFIC
Journal Title: Вісник Національного університету "Львівська політехніка", серія "Радіоелектроніка та телекомунікації" - Year 2016, Vol 849, Issue 2016
Abstract
The modified method of the adaptive forming of data flows and method of tuning of the control system with a direct feedback through current measurements of speed of shaper buffer filling is presented. The mathematical models of telecommunication new generation network, including models of self-similar traffic, are analysed. Simple and effective procedure of forming of the traffic is offered. Simulation results showed that it is possible to limit frequency of the generator marker to such value, when all of input data will be got, and then passed without losses and repeated transmissions. Influence of relative frequency of the generator markers is short enough and diminishes quickly. The congestion drop is arrived after insignificant time, therefore vibrations of loading are comparative small. Variations of the norm time-out are enough smooth because of time average of the complete rotation on the the supervision іnterval. With the increase of change time of rotation as a result a time-out grows quickly. The recommendations regarding the choice of parameters of shapers and control system by them are developed (including necessary order and time parameters of control system, structure of shapers, measuring devices of parameters of packets etc.) depending on intensity of data flows, and intensity growth, statistical descriptions and network structure are given. Research of characteristic properties of process forming of stream is conducted, with taking in consideration the choice of parameters and structure of control system by the multirate shaper of traffic with non-linearly variations parameters of load windows.
Authors and Affiliations
K. Kozelkova, Yaroslav Toroshanko, L. Kharlai
Keywords
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