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Tytuł artykułu

Quality of service at layered architecture of data communication systems.

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Języki publikacji
EN
Abstrakty
EN
Various classes of traffic generated by different applications expect and accept various quality of service levels, determining various amounts of required network resources. Limited network communication resources and different qualitative and quantitative traffic requirements naturally give reasons to differentiate the quality of offered network services. The acceptability of different quality of service in networks leads to better network resource utilisation and increased network customer satisfaction. The differentiation of quality of service offered to various traffic classes, i.e., to various applications is possible due to the layered and nested structure of distributed computer systems. Such a concept of services is based on the assumption that any communication task, formulated at the application level, might be decomposed into simpler communication tasks, while the latter might be transformed into proper data communication tasks relevant to particular layers of architecture. The different data communication tasks form sequences of activities. The activities correspond to well-defined functions available at different levels of the layered architecture, so the selection of functions ascribed to activities decides the quality of service.
Rocznik
Strony
113--130
Opis fizyczny
Bibliogr. 19 poz., rys. 5
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autor
  • Institute of Control and Systems Engineering, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland.
Bibliografia
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPW3-0008-0051
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