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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">sibsutis</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник СибГУТИ</journal-title><trans-title-group xml:lang="en"><trans-title>The Herald of the Siberian State University of Telecommunications and Information Science</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-6920</issn><publisher><publisher-name>СибГУТИ</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">sibsutis-319</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Аналитическая оценка эффективности древовидных р2р-сетей для онлайн-трансляции видеоданных</article-title><trans-title-group xml:lang="en"><trans-title>Analytic efficiency estimation of tree-based live video p2p streaming systems</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>Приствка</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pristavka</surname><given-names>P. ..</given-names></name></name-alternatives><email xlink:type="simple">ppa@ngs.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>СибГУТИ</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>24</day><month>10</month><year>2022</year></pub-date><volume>0</volume><issue>4</issue><fpage>35</fpage><lpage>47</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Приствка П.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Приствка П.А.</copyright-holder><copyright-holder xml:lang="en">Pristavka P...</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://vestnik.sibsutis.ru/jour/article/view/319">https://vestnik.sibsutis.ru/jour/article/view/319</self-uri><abstract><p>В работе предлагается теоретико-информационный метод определения эффективности p2p-систем для онлайн-трансляции видеоданных на основе одиночных и множественных деревьев. Представленный метод позволяет аналитически оценивать результаты работы алгоритмов по добавлению новых участников сети и поддержания ее целостности. В результате применения метода к моделям р2р-сетей на основе множественных деревьев с параметрами, соответствующими зафиксированным при функционировании реальных приложений, были получены оценки, согласующиеся с существующими описаниями исследованных алгоритмов построения древовидных р2р-сетей для онлайн-видеотрансляций.</p></abstract><trans-abstract xml:lang="en"><p>Information-theoretic method for estimation of the efficiency of tree-based systems for live video streaming was suggested in the paper. The method suggested allows us to evaluate analytically the results of different tree management algor^ms. The result of estimations on multiplie tree based network model with parameters obtained from real world p2p applications measurments agrees with the evaluations provided by autors of the investigated algorithms.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>древовидные сети</kwd><kwd>онлайн-видеотрансляции</kwd><kwd>загрузочная способность</kwd><kwd>теория информации</kwd></kwd-group><kwd-group xml:lang="en"><kwd>peer-to-peer</kwd><kwd>peer-to-peer</kwd><kwd>tree-based stream</kwd><kwd>live video stream</kwd><kwd>capacity</kwd><kwd>information theory</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">Padmanabhan V. N., Wang H. J., Chou P. A. Resilient peer-to-peer streaming // 11th IEEE International Conference on Network Protocols. 2003. Proceedings. P. 16-27.</mixed-citation><mixed-citation xml:lang="en">Padmanabhan V. N., Wang H. J., Chou P. A. 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