The scheduler for distributed computer systems based on the network centric approach to resources control

Hu, Zhengbing; Mukhin, Vadym; Kornaga, Yaroslav; Volokyta, Artem; Herasymenko, Oksana

doi:10.1109/idaacs.2017.8095135

Cited by 16 publications

(5 citation statements)

References 10 publications

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“…After substituting the variable (9) into equation ( 10), given the initial system of differential equations ( 8), we get the feedback: (11) Therefore, a synthesized system of nonlinear differential equations (8), which provides a given level of operation of the system with regard to control (9), looks like: (…”

Section: Research Resultsmentioning

confidence: 99%

“…ISSN (E): 2707-904X Even a small network with access to the global network, from the point of view of operation and problem identification, can pose quite serious problems [10]. Now, the implementation of software-configured networks at certain network levels can contribute to a significant optimization of the network infrastructure [11] and provide a more rational use of network capabilities [12][13][14].…”

Section: Introductionmentioning

confidence: 99%

“…Fig.3. Phase portrait of the system as a result of the action of synthesized synergistic control(11) …”

mentioning

confidence: 99%

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Synergetic Approach to the Study of Control Systems

Kravchenko¹,

Leshchenko²,

Trush³

et al. 2020

Scientific Journal of Astana IT University

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The paper considers a new direction of scientific research - "synergetics". The key provisions and its development as a science are considered. The focus is on open feedback systems as objects of research. The properties of these systems - openness, nonlinearity, dissipation and multidimensionality, allow the use of a synergistic approach in the study. Due to new trends in information technology in recent years, interest in the new architecture of Software Defined Networks has grown. A programmable controller is used as a control mechanism for SDN networks. The connection between the logical controller and the physical network is made using the OpenFlow protocol. The graph of the network topology is presented as a set of key parameters that come to the controller. From the set of parameters, the key ones used in the study are selected. The dynamics of the ratio of key parameters under the condition of optimizing the network infrastructure is studied. The dynamics of the network corresponding to the stability condition is investigated by the methods of synergetic control theory. SDN network control is formed by methods based on the principle of self-organization of nonlinear systems. As a result, synergetic control is synthesized to increase the resistance of the control system to destructive influences. Based on the selected dynamic invariant, the possibility of providing the selection of the parameter of the SDN network management system for the transition to a controlled state is shown.

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Section: Research Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Synergetic Approach to the Study of Control Systems

Kravchenko¹,

Leshchenko²,

Trush³

et al. 2020

Scientific Journal of Astana IT University

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“…In [4][5][6], it was shown for the first time that a mathematical model based on the principles of automatic control theory and using the apparatus of ordinary differential equations [8][9] allows one to adequately describe the processes of thermoregulation and heat transfer of a person with the environment. The mathematical model [4][5][6] predicts the temperature of all parts of the human body under given air conditions.…”

Section: Overviewmentioning

confidence: 99%

The boundary value problem for the heat transfer task between a human and the environment

Барабаш

Kovtun

Leschenko

et al. 2020

Fìz.-mat. model. ìnf. tehnol.

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Temperature is one of the most important indicators of human health. Therefore, the study of the effect of temperature on the human body is necessary.The approach of modeling heat transfer between a human and the environment with dispersed parameters is presented in this article. This approach is the development of a model heat transfer between a human and the environment with lumped parameters. In the process of modeling, the Fourier law of thermal conductivity, Newton Richman's law and mathematical apparatus of partial differential equations are used.

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“…De Bruin topology and the hypercube are quite convenient in terms of routing. In the classic version [1][2][3][4], the binary numeral system is used for encoding of nodes numbers. It means, the maximal count of nodes for N -bit code is 2 N .…”

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confidence: 99%

Using Excess Code to Design Fault-Tolerant Topologies

Loutskii

Volokyta

Rehida

et al. 2019

TST

Self Cite

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and in modernizing an already existing one. Particular attention is paid to it when building multicomputer systems or clusters. The most interesting ways to increase fault tolerance is to use the topological structure of the system to bypass the malfunction and use one or another element of the system to replace the faulty. Of course, this requires the development of a specific topology. The article deals with the development of fault-tolerant versions of popular topologies, such as quasiquantum and hypercube, based on the excess code 0/1 /-1. Target setting. An important part of any multicomputer system or cluster is its topological structure. This structure defines the routing of messages in the system, speed of message transmission, and level of fault-tolerance of a system. The article proposes a method for increasing fault-tolerance based on the use of excess code. Actual scientific researches and issues analysis. Synthesis of topologies such as the hypercube or the de Bruin topology is well studied and described now, there are papers consider methods for increasing the fault-tolerance that based on usage of additional nodes that duplicate current nodes. Other papers consider using a tree-based routing to improve fault-tolerance of the system. Uninvestigated parts of general matters defining. Now the possibilities of using excess code 0/1/-1 for creating new fault-tolerant topologies based on existing synthesis methods are unconsidered. The research objective. The task is to describe the synthesis of fault tolerant topologies, the consideration of the possibilities of using their features and the analysis of the main characteristics in comparison with each other and with classic versions based on binary code. The statement of basic materials. The synthesis of hypercube and de Bruin topology is described on the basis of the usual binary code and the redundant code 0/1 / -1, the possibilities of using redundancy are considered, first of all, to increase the fault-tolerance, a comparative analysis of all of these topologies is carried out. Conclusions. The analysis of characteristics is performed, the main advantages and disadvantages of the proposed topological structures are highlighted, suggestions for their improvement are made.

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The scheduler for distributed computer systems based on the network centric approach to resources control

Cited by 16 publications

References 10 publications

Synergetic Approach to the Study of Control Systems

Synergetic Approach to the Study of Control Systems

The boundary value problem for the heat transfer task between a human and the environment

Using Excess Code to Design Fault-Tolerant Topologies

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