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In this work we describe the process of deploying virtual routers in accordance with flexible time allocation of virtual access to the processor. We developed the model of software router with a set of modern mechanisms and algorithms service information flows. Using the model of the router we enhanced functionality of the device: added mode of deployment of virtual nodes with the possibility of flexible...
In the given article are shown the results of task solving of service quality raising of traffic flow transferring in multiservice networks based on dynamic conditions control of virtual network units and flexible distribution of router resource calculating.
In this paper we propose a mathematical model of the functioning of network device with virtual routers. This model allows to decrease the mutual influence of the parametric effects of different types of traffic in the network node, as well as to estimate the quality of service by decomposition of a structure of network node and mathematical modeling based on queueing theory. To verify the proposed...
The model of the virtual router with static and dynamic reconfiguration of resources is developed. This model allows to create effective virtual device with optimal parameters (length of queue, management discipline for queue overflowing, the number of service devices and their modes) in order to provide the required level of QoS for all services. The use of virtual network devices in the existing...
This article is dedicated to develop a model that correlates the relevant QoS parameters and QoE factors with impact on the variation of the user's perception of the quality. To achieve this goal, a process was planned and designed, taking into account all method and recommendations, duly described in the survey of the related work . New objective method of assessing the quality of the video based...
In this paper the method of prioritized queue processing MPQ (modified priority-based queuing) is investigated. This method allows fulfilling QoS requirements for packets of real-time flows that have sustained some particular degree of the delay en-route. In order to test this method, the test bed that consists of virtual routers and traffic generators has been developed. Running experiments on this...
In order to forecast the quality of media streaming in multiservice networks under conditions of high load of network resources the research of the influence of network circulating traffic on streaming video and the efficiency analysis of existing protocols for transmission of multimedia data is held.
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