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File Allocation Problem: Comparison of Models with Worst Case and Average Communication Delays

Author

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  • Deb Ghosh

    (Louisiana State University, Baton Rouge, Louisiana)

  • Ishwar Murthy

    (Louisiana State University, Baton Rouge, Louisiana)

  • Allen Moffett

    (Louisiana State University, Baton Rouge, Louisiana)

Abstract

A major design issue facing the designer of a distributed computing system involves the determination of the number of file copies and their locations in the distributed environment. This problem is commonly referred to as the file allocation problem (FAP). This paper considers two FAP models that seek to minimize operating costs (i.e., the total cost of file storage and query/update communication). The first model ensures the attainment of acceptable levels of communication delay during peak network traffic periods (worst-case scenario). The second model considers average communication delay. Unlike previous FAP research, the proposed models treat communication delay on a query-by-query basis, and not as a single, system-wide average delay constraint. For both models, a Lagrangian relaxation-based solution procedure is proposed for the resulting 0/1 integer programming problem. In the case of average delays, we utilize a hybrid model combining analytic and simulation procedures. The results of computational experiments with the proposed solution techniques are reported.

Suggested Citation

  • Deb Ghosh & Ishwar Murthy & Allen Moffett, 1992. "File Allocation Problem: Comparison of Models with Worst Case and Average Communication Delays," Operations Research, INFORMS, vol. 40(6), pages 1074-1085, December.
    • Handle: RePEc:inm:oropre:v:40:y:1992:i:6:p:1074-1085
    DOI: 10.1287/opre.40.6.1074
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    Cited by:

    1. Amiri, Ali, 2002. "An integrated approach for planning the adoption of client/server systems," European Journal of Operational Research, Elsevier, vol. 142(3), pages 509-522, November.
    2. Sudip Bhattacharjee & Hong Zhang & R. Ramesh & Dee H. Andrews, 2007. "A Decomposition and Guided Simulation Methodology for Large-Scale System Design: A Study in QoS-Capable Intranets with Fixed and Mobile Components," INFORMS Journal on Computing, INFORMS, vol. 19(3), pages 429-442, August.
    3. Goutam Sen & Mohan Krishnamoorthy & Narayan Rangaraj & Vishnu Narayanan, 2016. "Facility location models to locate data in information networks: a literature review," Annals of Operations Research, Springer, vol. 246(1), pages 313-348, November.

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