Browsing Кафедра комутаційних систем by Title

Now showing items 17-36 of 204

    • INFINITE PETRI NETS: PART 1, MODELING SQUARE GRID STRUCTURES 

      Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р.; Zaitsev, D.A.; Зайцев, Д.А.; Зайцев, Д.А.; Zaitsev, I.D.; Зайцев, І.Д.; Зайцев, И.Д. (Complex Systems Publications, Inc., USA, 2017)
      A composition and analysis technique was developed for investigation of infinite Petri nets with regular structure, introduced for modeling networks, clusters and computing grids, that also concerns cellular automata and ...

    • INFINITE PETRI NETS: PART 2, MODELING TRIANGULAR, HEXAGONAL, HYPERCUBE AND HYPERTORUS STRUCTURES 

      Zaitsev, D.A.; Зайцев, Д.А.; Зайцев, Д.А.; Zaitsev, I.D.; Зайцев, І.Д.; Зайцев, И.Д.; Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р. (Wessex Institute, 2017)
      A composition and analysis technique was developed for investigation of infinite Petri nets with regular structure introduced for modeling networks, clusters and computing grids that also concerns cellular automata and ...

    • INVESTIGATION OF QUALITY CHARACTERISTICS OF NETWORKS MPLS-TE / FRR with additional DIRECTIONS TRAFFIC TRANSMISSION 

      Стрелковская, И.В.; Калинин, В.В.; Стрелковська, І.В.; Калінін, В.В.; Strelkovskaya, I.V.; Kalinin, V.V. (ОНАЗ ім. О.С. Попова, 2016)
      The use nodal tensor method for solution of research quality characteristics of routing in MPLS-TE / FRR network with additional directions of traffic transmission lines . The quality parameters of the network and made ...

    • LOAD BALANCING METHOD OF FOURTH GENERATION WIRELESS NETWORK 

      Суглобов, А.А.; Суглобов, А.А.; Suhlobov, А.А.; Шмелёва, Т.Р.; Шмельова, Т.Р.; Shmeleva, T.R. (ОНАЗ ім. О.С. Попова, 2016)
      Проведене дослідження впливу поляризаційної модової дисперсії на довжину регенераційної дільниці сучасних телекомунікаційних мереж. Запропоновано вираз для визначення групової швидкості в залежності від параметрів оптичного ...

    • MATHEMATICAL CONCEPTS OVERVIEW OF CLUSTER ANALYSIS, SVM AND NEURAL NETWORKS IN MASS SERVICE NETWORKS 

      Kuleshova, V.V.; Lozhkovskyi, A.G.; Кулешова, В.В.; Ложковський, А.Г.; Кулешова, В.В.; Ложковский, А.Г. (ОНАЗ ім. О.С. Попова, 2017)
      Nowadays, mass service networks are researched by using a variety of methods. However, the results that have been achieved this far are intermediate ones, especially, in case of multiservice telecommunication networks. ...

    • MODELING ODELING OF SELF-SIVILAR TRAFFIC 

      Стрелковская, И.В.; Соловская, И.Н.; Северин, Н.В.; Стрелковська, І.В.; Соловська, І.М.; Северин, М.В.; Strelkovskaya, I.V.; Solovskaya, I.N.; Severin, N.V. (Anhalt University of Applied Sciences, 2016)
      Modeling of self-similar traffic is performed for the queuing system of G/M/1/K type using Weibull distribution. To study the self-similar traffic the simulation model is developed by using SIMULINK software package in ...

    • PARAMETRIC COLORED PETRI NET MODEL OF COMPUTING GRIDS 

      Шмелёва, Т.Р.; Шмельова, Т.Р.; Shmeleva, T.R. (ОНАЗ ім. О.С. Попова, 2014)
      A parametric model of computing grids in the form of a colored Petri net was developed, which consists of a fixed number of Petri net nodes and is invariant regarding the topology of a grid, number of attached nodes and ...

    • PARAMETRIC PETRI NET MODEL FOR ETHERNET PERFOMANCE AND QOS EVALUATION 

      Zaitsev, D.A.; Зайцев, Д.А.; Зайцев, Д.А.; Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р. (University of Karlsruhe, 2009)
      Parametric model of switched Ethernet in the form of a colored Petri net is presented. The model is invariant regarding the structure of the network; it has fixed number of nodes for any given tree-like network. Special ...

    • PERFORMANCE EVALUATION OF COMMUNICATION GRIDS WITH CUT-THROUGH SWITCHING NODES 

      Shmeleva, T.R.; Шмелёва, Т.Р.; Шмельова, Т.Р. (ОНАЗ ім. О.С. Попова, 2018)
      For the performance evaluation of communication and computing rectangular grids of arbitrary size with a node that implements the cut-through packet switching technology, a model is constructed in the form of a reenterable ...

    • A PHYSICAL MODEL FOR MOLECULAR COMMUNICATION 

      Сміренська, С.С.; Смиренская, С.С.; Smirenskaya, S.S.; Шмельова, Т.Р.; Шмелёва, Т.Р.; Shmeleva, T.R. (ОНАЗ ім. О.С. Попова, 2013)
      This work is devoted to a physical model for molecular communication. In this paper the types of molecular communication architecture represented. On example of one type of molecular communication architecture the physical ...

    • PREDICTING TELEMETRIC DATA OF IoT DEVICES 

      Стрелковська, І.В.; Стрелковская, И.В.; Strelkovska, I.V.; Соловська, І.М.; Соловская, И.Н.; Solovska, I.M.; Стрелковська, Ю.; Стрелковская, Ю.; Strelkovska, Yu. (ОНАЗ ім. О.С. Попова, 2020)
      The solution of the problem of predicting telemetry data of IoT devices obtained using the Open Source resource Net Flow Analyzer is considered. The spline extrapolation method based on the cubic Hermite spline is used for ...

    • PROVIDING QUALITY OF SERVICE FOR ABSTRACT NETWORK TRAFFIC IN MULTIPATH SOFTWARE DEFINED NETWORKS 

      Арікова, М.І.; Арикова, М.И.; Arikova, M.I.; Вермсер, Д.; Вермсер, Д.; Wermser, D.; Ложковський, А.Г.; Ложковский, А.Г.; Lozhkovskyi, A.G. (ОНАЗ ім. О.С. Попова, 2017)
      The networks role was significantly changed since the information technologies decade begin. The data traffic had a grows over last few years, the traditional networks have been exceeding a term and Software Defined Networks ...

    • RESEARCH OF QUALITY CHARACTERISTICS OF MPLS-TE/VPN/FRR NETWORK 

      Стрелковська, І.В.; Стрелковская, И.В.; Strelkovska, I.V.; Яковенко, В.О.; Яковенко, В.О.; Yakovenko, V.O. (ОНАЗ ім. О.С. Попова, 2017)
      The goal of the study of quality characteristics of QoS traffic in MPLS-TE / VPN / FRR network, such as package queue length, packet delay time, probability of delivery and probability of packet loss, is considered. The ...

    • SECURITY OF GRID STRUCTURES WITH CUT-THROUGH SWITCHING NODES 

      Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р. (Институт систем информатики им. А.П. Ершова, 2017)
      Store-and-forward buffering of packets is traditionally used in modern network devices such as switches and routers. But sometimes it is a significant obstacle to the quality of service improvement because the minimal ...

    • SECURITY OF GRID STRUCTURES WITH CUT-THROUGH SWITCHING NODES 

      Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р. (ОНАЗ ім. О.С. Попова, 2017)
      Eighth Workshop Program "Semantics, Specification and Verification: Theory and Applications", June 26, 2017

    • THE SOLUTION TO THE PROBLEM OF THE QoS CHARACTERISTICS DEFINITION FOR SELF-SIMILAR TRAFFIC SERVISED BY THE W/M/1 QS 

      Стрелковская, И.В.; Соловская, И.Н.; Григорьева, Т.И.; Паскаленко, С.А.; Стрелковська, І.В.; Соловська, І.М.; Григорьева, Т.И.; Паскаленко, С.А.; Strelkovskaya, I.V.; Solovskaya, I.N.; Grygoryeva, T.I.; Paskalenko, S.A. (Львовский политехнический национальный университет, 2016)
      The problem of QoS characteristics definition for self-similar traffic for queuing system of the type W/M/1 using the Weibull distribution is considered. To solve this problem, a transformation of Laplace-Stieltjes is ...

    • SWITCHED ETHERNET RESPONSE TIME EVALUATION VIA COLORED PETRI NET MODEL 

      Zaitsev, D.A.; Зайцев, Д.А.; Зайцев, Д.А.; Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р. (European Technology Institute, 2006)
      The enterprise class model of switched LAN in the form of a colored Petri net is represented. The components of the model are submodels of switch, server and workstation. For the evaluation of network response time a special ...

    • USE OF SPLINE-EXTRAPOLATION TO IMPROVE THE QUALITY INDICATORS OF TELECOMMUNICATION SYSTEMS 

      Стрелковська, І.В.; Стрелковская, И.В.; Strelkovska, I.V.; Соловська, І.М.; Соловская, И.Н.; Solovska, I.M.; Толмак, В.; Толмак, В.; Tolmak, V. (ОНАЗ ім. О.С. Попова, 2019)
      The problem of predicting self-similar traffic with significant and frequent ripples and the property of long-term dependence is considered. For short-term prediction of self-similar traffic, which is performed outside the ...

    • VERIFICATION OF SQUARE COMMUNICATION GRID PROTOCOLS VIA INFINITE PETRI NETS 

      Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р.; Zaitsev, D.A.; Зайцев, Д.А.; Зайцев, Д.А.; Zaitsev, I.D.; Зайцев, І.Д.; Зайцев, И.Д. (European Technology Institute, 2009)
      A technique of the linear invariants calculation for infinite Petri nets with the regular structure is presented and studied on the example of square communication grids of an arbitrary size. It is proven that the compulsory ...

    • АЛГОРИТМИ МАРШРУТИЗАЦІЇ ТА ЯКІСТЬ ОБСЛУГОВУВАННЯ ПОВІДОМЛЕНЬ МУЛЬТИСЕРВІСНОЇ МЕРЕЖІ ЗВ’ЯЗКУ 

      Ложковский, А.Г.; Куліш, Є.Б.; Гордіенко, В.Ю.; Ложковский, А.Г.; Кулиш, Е.Б.; Гордиенко, В.Ю.; Lozhkovskyi, A.G.; Kulish, E.B.; Gordienko, V.Yu. (ОНАЗ ім. О.С. Попова, 2013)
      У статті розглянуто можливі варіанти комплексування алгоритмів маршрутизації в рамках єдиного методу для мультисервісної мережі зв’язку та здійснений порівняльний аналіз якості обслуговування повідомлень для різних алгоритмів ...