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Model Based Approach for Autonomic Availability Management

  • Conference paper
Service Availability (ISAS 2006)

Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 4328))

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Abstract

As increasingly complex computer systems have started playing a controlling role in all aspects of modern life, system availability and associated downtime of technical systems have acquired critical importance. Losses due to system downtime have risen manifold and become wide-ranging. Even though the component level availability of hardware and software has increased considerably, system wide availability still needs improvement as the heterogeneity of components and the complexity of interconnections has gone up considerably too. As systems become more interconnected and diverse, architects are less able to anticipate and design for every interaction among components, leaving such issues to be dealt with at runtime. Therefore, in this paper, we propose an approach for autonomic management of system availability, which provides real-time evaluation, monitoring and management of the availability of systems in critical applications. A hybrid approach is used where analytic models provide the behavioral abstraction of components/subsystems, their interconnections and dependencies and statistical inference is applied on the data from real time monitoring of those components and subsystems, to parameterize the system availability model. The model is solved online (that is, in real time) so that at any instant of time, both the point as well as the interval estimates of the overall system availability are obtained by propagating the point and the interval estimates of each of the input parameters, through the system model. The online monitoring and estimation of system availability can then lead to adaptive online control of system availability.

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Author information

Authors and Affiliations

  1. Dept. of Electrical and Computer Engineering, Duke University, Durham, NC, 27708-0294, USA

    Kesari Mishra & Kishor S. Trivedi

Authors
  1. Kesari Mishra
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  2. Kishor S. Trivedi
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Editor information

Editors and Affiliations

  1. Hewlett-Packard, 5, avenue Raymond Chanas - Eybens, 38053, Grenoble Cedex 9, France

    Dave Penkler

  2. Fujitsu Siemens Computers, Domagkstr. 28, D-80807, Muenchen, Germany

    Manfred Reitenspiess

  3. Nokia Research Center, Nokia Group, P.O. Box 407, 00045, Finland

    Francis Tam

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© 2006 Springer-Verlag Berlin Heidelberg

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Mishra, K., Trivedi, K.S. (2006). Model Based Approach for Autonomic Availability Management. In: Penkler, D., Reitenspiess, M., Tam, F. (eds) Service Availability. ISAS 2006. Lecture Notes in Computer Science, vol 4328. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11955498_1

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  • DOI: https://doi.org/10.1007/11955498_1

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-68724-5

  • Online ISBN: 978-3-540-68725-2

  • eBook Packages: Computer ScienceComputer Science (R0)

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