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Fault diagnosis of distributed systems: Analysis, simulation and performance measurement
Başlık:
Fault diagnosis of distributed systems: Analysis, simulation and performance measurement
Yazar:
Mohammed, Thabit Sultan, author.
ISBN:
9780355894820
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 electronic resource (140 pages)
Genel Not:
Source: Dissertation Abstracts International, Volume: 76-08C.
Özet:
Fault diagnosis forms an essential component in the design of highly reliable distributed computing systems. Early models for diagnosis require a global observer, whereas the diagnosis is shared between the systems nodes in later models. These models are reviewed and their different diagnosability properties reconciled. The design of improved fault diagnosis algorithms for systems without a global observer provides the main motivation for the thesis. The modified algorithm SELF3 [Hoss88] is taken as a starting point. A number of communication architectures used in distributed systems are reviewed. The properties of diagnosis algorithms depend strongly on the testing graph. A general class of testing graphs, designated as H-graphs, (which are a generalization of Dst graphs introduced in [Prep67]), are investigated and their diagnostic properties determined. A software simulator for distributed systems has been written as the main investigative tool for diagnosis algorithms. The design and structure of the simulator are described. The diagnosis process is measured in terms of diagnostic time and number of messages produced, and the factors upon which these quantities depend are identified. The results of simulation of a number of systems are given under various fault conditions. A modified way of routing diagnosis messages, which, especially in large systems, results in a reduction in both the number of diagnosis messages and the time required to perform diagnosis, is presented. The thesis also contains a number of specific recommendations for improving existing self-diagnosis algorithms.
Notlar:
School code: 0719
Tüzel Kişi Ek Girişi:
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
XX(683177.1) | 683177-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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