Temat: sieci HM - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Application of HM-networks with unreliable systems for finding the memory capacity in the information systems
Autorzy:: Matalytski, M.
Zajac, P.
Kopats, D.
Powiązania:: https://bibliotekanauki.pl/articles/122815.pdf
Data publikacji:: 2018
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: HM-network
information systems
unreliable service
volumes of requests
pojemność pamięci
nadmierne buforowanie
sieci HM
sieci kolejkowe Howard-Matalytski
sieci kolejkowe
Opis:: To solve the problem of determining the memory capacity of the information systems (IS), it was proposed to use a stochastic model, based on the use of HM (Howard-Matalytski) - queueing networks with incomes. This model takes into account the servicing of requests along with their volumes, the ability to change the volumes of the requests over time and the possibility of damaging IS nodes and their repairs, so servicing of demands can be interrupted randomly. The expressions are generated for the mean (expected) values of total requests volumes in the IS nodes.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2018, 17, 2; 51-63
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Application of HM-network with positive and negative claims for finding of memory volumes in information systems
Autorzy:: Matalytski, Mikhail
Zając, Paweł
Powiązania:: https://bibliotekanauki.pl/articles/122992.pdf
Data publikacji:: 2019
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: HM-networks
information systems
volume of claim
positive claims
negative claims
sieci HM
systemy informacyjne
roszczenie pozytywne
roszczenie negatywne
Opis:: To solve the problem of determining the volume of memory of information systems (IS), it was suggested to use a stochastic model based on the use of HM (Howard-Matalytski) - a queueing network with revenues. This model allows you to take into account the dependencies of the processing times of messages (claims) on their volumes, the possibility of changing the volume of messages over time, and also the possibility of getting computer viruses into it. In such cases the processing of messages in nodes can be interrupted for some random time. Expressions are obtained for the mean (expected) values of the total message volumes in the IS nodes.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2019, 18, 1; 41-51
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Simulation modeling of HM-networks with consideration of positive and negative messages
Autorzy:: Naumenko, V.
Matalytski, M.
Powiązania:: https://bibliotekanauki.pl/articles/122640.pdf
Data publikacji:: 2015
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: HM-network
incomes
negative messages
simulation modeling
HM-sieci
dochody
modelowanie symulacyjne
Opis:: In the article an open Queueing Network (QN) with positive and negative messages and incomes, which can be used in modeling of the behavior of viruses at the Information Systems and Networks (ISN), and also at forecasting costs taking into account virus penetration, was analyzed. Some numerical and analytical results were described on the analysis of exponential QN of the above type. It was given an algorithm of simulation modeling (SM) of HM-networks with positive and negative messages, based on the 0-point, which allows you to find incomes in such networks with arbitrary distribution of service times of positive messages. The results of the SM have been compared with the proposed analytical and numerical results. Sufficiently high accuracy of these methods was shown.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2015, 14, 2; 49-60
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Expected volumes of requests in systems of the queueing network with a limited number of waiting places
Autorzy:: Zając, P.
Matalytski, M.
Powiązania:: https://bibliotekanauki.pl/articles/121834.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Humanistyczno-Przyrodniczy im. Jana Długosza w Częstochowie. Wydawnictwo Uczelniane
Tematy:: sieci HM
sieci kolejkowe
system kolejkowy
bezprzewodowy punkt dostępu
HM-networks
queueing network
single-line queueing system
queueing system
queuing time
limited queue
demands total volume
wireless access point
volume of requests
Opis:: We present a method of finding the expected volume of requests in HM-network with homogeneous requests and bypass of the queueing systems of requests. The case was considered when the volume changes associated with the transitions between the states of the network are deterministic functions, depending on the state of the network and time, and the systems are single line. It is assumed that the probability of the states of the network systems, the parameters of the entrance flow of the requests and the service depend on the time.
Źródło:: Scientific Issues of Jan Długosz University in Częstochowa. Mathematics; 2017, 22; 141-160
2450-9302
Pojawia się w:: Scientific Issues of Jan Długosz University in Częstochowa. Mathematics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: The analysis of the three-level HM-network and its application for the incomes forecasting of a logistic transport system
Autorzy:: Matalytski, M.
Kiturko, O.
Powiązania:: https://bibliotekanauki.pl/articles/122572.pdf
Data publikacji:: 2014
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: HM-network
logistic transport system
expected incomes
variance of the income
HM-sieci
dochody oczekiwane
zmienność kosztów
Opis:: Investigation of the closed three-level HM-network, which is the model of the production transportation in a logistic transport system, is conducted in this article. The approximated expression for the expected income of the central system and the system of the nonhomogeneous differential equations for an average number of messages in network systems, when the incomes from transitions between network’s states are random variables with the set moments of the first two orders, is received. The relation for variance of the income of the central system of network (system of the top level) is also received.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2014, 13, 3; 141-153
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: About one method of finding expected incomes in HM-queueing network with positive customers and signals
Autorzy:: Matalytski, M.
Powiązania:: https://bibliotekanauki.pl/articles/122974.pdf
Data publikacji:: 2016
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: HM-queueing network
positive and negative customers
signals
expected incomes
ransient regime
kolejkownie sieci
systemy kolejkowe
pozytywny klient
negatywny klient
teoria kolejek
Opis:: In the paper an open Markov HM(Howard-Matalytski)-Queueing Network (QN) with incomes, positive customers and signals (G(Gelenbe)-QN with signals) is investigated. The case is researched, when incomes from the transitions between the states of the network are random variables (RV) with given mean values. In the main part of the paper a description is given of G-network with signals and incomes, all kinds of transition probabilities and incomes from the transitions between the states of the network. The method of finding expected incomes of the researched network was proposed, which is based on using of found approximate and exact expressions for the mean values of random incomes. The variances of incomes of queueing systems (QS) was also found. A calculation example, which illustrates the differences of expected incomes of HM-networks with negative customers and QN without them and also with signals, has been given. The practical significance of these results consist of that they can be used at forecasting incomes in computer systems and networks (CSN) taking into account virus penetration into it and also at load control in such networks.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2016, 15, 1; 87-98
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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