Issues of organizing computations in multicomputer systems with the software-controlled failure- and fault-tolerance. Part II

Asharina, I.V.

doi:10.18698/2308-6033-2021-7-2097

Cited by 2 publications

(3 citation statements)

References 16 publications

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“…. Moving from the numbers of equality (3) to their signatures, we obtain the signature formula for predicting the control characteristics of the summative n-bit counter:…”

Section: C Ymentioning

confidence: 99%

“…significant drawback of the method of introducing information (code) redundancy for each binary code is the dependence of the control code on the frequency of error occurrence (the degree of information distortion). Therefore, it is considered that the most common method of control based on the introduction of information redundancy in relation to various typical devices of computing equipment and digital control machines is control by the parity-oddity method of the binary number code (adding only one control digit to the significant digits of the number codes), which does not ensure multiple errors detection [3] .…”

Section: Introductionmentioning

confidence: 99%

“…Комбінаторний паралельний формувач сигнатур поля GSF (7, P3 (х)) type signatures are determined by the Boolean description of each of the m points of the cathetus of the last triangle according to the form of the polynomial x P m ( ). Omitting elementary transformations, in the case of the generating polynomial of the m-th degree x…”

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confidence: 99%

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Signature functional control of digital automatic device register operations

Tupkalo,

Cherepkov

2024

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The development of digital operating automatic devices models of the systems with the property of high functional controllability of hardware and software tools for the performance of computational functions (operations) on a real scale becomes a priority task in the context of ensuring high efficiency and reliability of monitoring the functioning of digital metrological telemetric measurement and control systems of critical infrastructure problem growing relevance. In the article, based on a critical analysis of known methods for digital systems functional control, a method of ensuring the operational controllability of digital automatic devices is proposed based on the concept implementation of predicting (forecasting) control signatures of tuples and their state. Relevant concepts are introduced, and a structural-functional model of functional control for digital automatic device with «hard» logic based on the method of signature prediction is proposed. In the context of the practical implementation of the proposed method of predicting signatures on each operating cycle of the digital automatic device, a system of control signature equations formulas (signature functional control rules) is given for the basic types of digital automatic device register operations with «hard» logic. This makes it possible to implement a new functional control principle (signature functional control by the method of signature prediction) of digital automatic devices by introducing a unified hardware redundancy (synthesized hardware node of a signature functional control) from functionally complete elementary combinational structures from a finite set (standard set). In this regard, the relevance of functional control by the method of predicting signatures for generators of pseudorandom sequences of the maximum length in the digital automatic device of cryptographic encryption by jamming measurement information during its transmission in telecommunication channels of management systems of critical infrastructure objects in the conditions of possible cyberattacks is reasonably grounded. The scientific novelty of the obtained theoretical results is the authors' proof of the need to develop further the methodology of functional control of a general-purpose digital automatic device and, in particular, of telemetric measurement and control systems of critical infrastructure based on the use of the author's mathematical apparatus of synthesis «signature Boolean-polynomial algebra».

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“…. Moving from the numbers of equality (3) to their signatures, we obtain the signature formula for predicting the control characteristics of the summative n-bit counter:…”

Section: C Ymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Signature functional control of digital automatic device register operations

Tupkalo,

Cherepkov

2024

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Issues of organizing computations in multicomputer systems with the software-controlled failure- and fault-tolerance. Part III

Asharina

2021

EJSI

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This three-part paper analyzes existing approaches and methods of organizing failure- and fault-tolerant computing in distributed multicomputer systems (DMCS), identifies and provides rationale for a list of issues to be solved. We review the application areas of failure- and fault- tolerant control systems for complex network and distributed objects. The third part proceeds with the study of the problems of organizing failure- and fault-tolerant computing in distributed multicomputer systems (DMCS), carried out in parts I and II of this work, and deals with the issues related to the diagnosis of multiple faults. The paper describes the main differences in ensuring fault tolerance in systems with broadcast communication channels and point-to-point communication channels.

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Issues of organizing computations in multicomputer systems with the software-controlled failure- and fault-tolerance. Part II

Cited by 2 publications

References 16 publications

Signature functional control of digital automatic device register operations

Signature functional control of digital automatic device register operations

Issues of organizing computations in multicomputer systems with the software-controlled failure- and fault-tolerance. Part III

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