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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">bsuir</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады БГУИР</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady BGUIR</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7648</issn><issn pub-type="epub">2708-0382</issn><publisher><publisher-name>БГУИР</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.35596/1729-7648-2023-21-4-93-100</article-id><article-id custom-type="elpub" pub-id-type="custom">bsuir-3687</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ЭЛЕКТРОНИКА, РАДИОФИЗИКА, РАДИОТЕХНИКА, ИНФОРМАТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ELECTRONICS, RADIOPHYSICS, RADIOENGINEERING, INFORMATICS</subject></subj-group></article-categories><title-group><article-title>Математическая модель VPN в сети электросвязи специального назначения</article-title><trans-title-group xml:lang="en"><trans-title>Mathematical Model of VPN in a Special Purpose Telecommunication Network</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Врублевский</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Vrublevsky</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Врублевский Сергей Сергеевич - адъюнкт кафедры связи.</p><p>220057, Минск, просп. Независимости, 220. Тел.: +375 33 690-98-15</p></bio><bio xml:lang="en"><p>Vrublevsky Sergey Sergeevich - Adjunct at the Department of Communications.</p><p>220057, Minsk, Nezavisimosti Ave., 220. Tel.: +375 33 690-98-15</p></bio><email xlink:type="simple">sergeyvrublevsky0@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Машкин</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mashkin</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат технических наук, доцент, заместитель директора по развитию – первый заместитель директора.</p><p>Минск</p><p> </p></bio><bio xml:lang="en"><p>Cand. of Sci., Associate Professor, Deputy Director for Development – First Deputy Director.</p><p>Minsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бысов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bysov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат технических наук, доцент, начальник цикла кафедры связи.</p><p>Минск</p></bio><bio xml:lang="en"><p>Cand. of Sci., Associate Professor, Head of the Department of Communications.</p><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Военная академия Республики Беларусь</institution></aff><aff xml:lang="en"><institution>Military Academy of the Republic of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ОАО «АГАТ-СИСТЕМ»</institution></aff><aff xml:lang="en"><institution>JSC “AGAT-SYSTEM”</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>29</day><month>08</month><year>2023</year></pub-date><volume>21</volume><issue>4</issue><fpage>93</fpage><lpage>100</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Врублевский С.С., Машкин Е.В., Бысов А.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Врублевский С.С., Машкин Е.В., Бысов А.А.</copyright-holder><copyright-holder xml:lang="en">Vrublevsky S.S., Mashkin E.V., Bysov A.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://doklady.bsuir.by/jour/article/view/3687">https://doklady.bsuir.by/jour/article/view/3687</self-uri><abstract><p>Разработана математическая модель VPN в сети электросвязи специального назначения, позволяющая определить запас по пропускной способности для планируемых VPN-туннелей. В отличие от известных подходов оценки запаса по пропускной способности (потоковая модель VPN) предлагаемая модель учитывает класс передаваемого трафика. Модель является адекватной с точностью 0,95. Материалы, представленные в статье, являются оригинальными и могут быть использованы при планировании VPN-туннелей в сети электросвязи специального назначения.</p></abstract><trans-abstract xml:lang="en"><p>The purpose of the article is to develop a mathematical model of VPN in communication networks of special purpose, which allows to determine the margin of throughput, for scheduled VPN-tunnels. In contrast to the well-known approaches to estimating the bandwidth margin (hose model of VPN), the developed model takes into account the class of transmitted traffic. The developed model is adequate with an accuracy of 0.95. The materials presented in the article are original and can be used when planning VPN-tunnels in a special purpose telecommunication network.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сеть электросвязи специального назначения</kwd><kwd>виртуальная частная сеть</kwd><kwd>математическая модель</kwd><kwd>характеристики качества обслуживания</kwd><kwd>задержка передачи пакета</kwd></kwd-group><kwd-group xml:lang="en"><kwd>communication networks of special purpose</kwd><kwd>virtual private network</kwd><kwd>mathematical model</kwd><kwd>quality of service characteristics</kwd><kwd>packet transmission delay</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Чуйков, В. Б. Требования по обеспечению качества обслуживания в мультисервисных сетях связи специального назначения / В. Б. Чуйков, А. Ю. 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