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Data Futures in DISCWorld

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Book cover High Performance Computing and Networking (HPCN-Europe 2000)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 1823))

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Abstract

Data futures in a metacomputing system refer to data products that have not yet been created but which can be uniquely named and manipulated. We employ data flow mechanisms expressed as high level task graphs in our DISCWorld metacomputing system. Nodes in these task graphs can themselves be expanded into further task graphs or can be represented as futures in the processing schedule. We find this this a generally useful approach to the dynamic and optimal execution of task graphs. In this paper we describe our DISCWorld Remote Access Mechanism for Futures (DRAMFs) and its implementation using Java technology. DRAMFs embody these ideas and allow data products to be lazily de-referenced and to be manipulated as first class objects in the object space of the metacomputing system. Our system aids in the provision against partial failure or network disruptions in a distributed system such as DISCWorld.

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Author information

Authors and Affiliations

  1. Distributed & High Performance Computing Research Group Department of Computer Science, University of Adelaide, SA, 5005, Australia

    H. A. James & K. A. Hawick

Authors
  1. H. A. James
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  2. K. A. Hawick
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Editor information

Editors and Affiliations

  1. Institute of Computer Science and Academic Computer Center CYFRONET, University of Mining and Metallurgy (AGH), al. Mickiewicza 30, 30-059, Cracow, Poland

    Marian Bubak

  2. Faculteit der Natuurwetenschappen, Wiskunde en Informatica, Universiteit van Amsterdam, 1098 SJ, Amsterdam, The Netherlands

    Hamideh Afsarmanesh  & Bob Hertzberger  & 

  3. California Institute of Technology, Caltech 158-79, Pasadena, CA, 91125, USA

    Roy Williams

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© 2000 Springer-Verlag Berlin Heidelberg

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James, H.A., Hawick, K.A. (2000). Data Futures in DISCWorld. In: Bubak, M., Afsarmanesh, H., Hertzberger, B., Williams, R. (eds) High Performance Computing and Networking. HPCN-Europe 2000. Lecture Notes in Computer Science, vol 1823. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45492-6_5

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  • DOI: https://doi.org/10.1007/3-540-45492-6_5

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-67553-2

  • Online ISBN: 978-3-540-45492-2

  • eBook Packages: Springer Book Archive

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