Pleskanka N. The models and algorithms of the multiservice traffic buffering in telecommunications networks

The work is devoted to development of the multi-buffering algorithm for multi-service traffic using adaptive changes of buffer space technology. This will help to improve the quality of service and optimal use of network resources and resources of the services nodes. A multimedia traffic of existing multiservice telecommunication data network were analyzed in the thesis. A mathematical model to describe the probabilistic-time characteristics of the traffic was selected. The work queue management and congestion algorithms were studied. Using the optimal algorithm WFQ was proposed by the modeling results. The multi-buffering scheme of the node of data processing and receiving was proposed. A dynamic (adaptive) buffering technology was proposed. This technology makes it possible to set dynamically adapting thresholds for each queue, and promotes a more efficient use of the buffer space and minimize losses. The practical significance of the results is that, the developed scheme combined with a quick-change channels algorithm, makes it possible to significantly reduce switching channels time while using interactive television and so improve the quality of perception services to end-users.