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Building Robust Applications by Reusing Non-robust Legacy Software

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Reliable SoftwareTechnologies — Ada-Europe 2001 (Ada-Europe 2001)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 2043))

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Abstract

We propose a methodology for building robust Ada applications by reusing legacy software that we replicate among the nodes of a distributed system in order to increase fault tolerance of the service provided by the reused software. This methodology consists of writing an Ada interface which makes the binding to the legacy library. This interface forwards client requests to a group of remote servers, each one executing a copy of the legacy library. Dependability and consistency issues are solved inside the new interface code. In order to provide continuous service when adding new members, we propose techniques which prevent the server group from stopping service during state transfer. As an example of this methodology we present a robust database.

This work has been partially funded by the Spanish Research Council (CICYT), contract number TIC98-1032-C03-02.

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Author information

Authors and Affiliations

  1. Instituto Universitario de Microelectrónica Aplicada (IUMA), University of Las Palmas de Gran Canaria, Canary Islands, Spain

    Francisco Guerra Santana, Javier Miranda González, José Miguel Santos Espino & José Carlos Rodríguez Calero

Authors
  1. Francisco Guerra Santana
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  2. Javier Miranda González
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  3. José Miguel Santos Espino
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  4. José Carlos Rodríguez Calero
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Editor information

Editors and Affiliations

  1. Offis nv/sa - Aubay Group, Offis & K.U. Leuven, Weiveldlaan 41/32, 1930, Zaventem, Belgium

    Dirk Craeynest

  2. EPFL-DI-LGL, Swiss Federal Institute of Technology Lausanne (EPFL), 1015, Lausanne EPFL, Switzerland

    Alfred Strohmeier

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© 2001 Springer-Verlag Berlin Heidelberg

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Guerra Santana, F., Miranda González, J., Santos Espino, J.M., Rodríguez Calero, J.C. (2001). Building Robust Applications by Reusing Non-robust Legacy Software. In: Craeynest, D., Strohmeier, A. (eds) Reliable SoftwareTechnologies — Ada-Europe 2001. Ada-Europe 2001. Lecture Notes in Computer Science, vol 2043. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45136-6_11

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  • DOI: https://doi.org/10.1007/3-540-45136-6_11

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-42123-8

  • Online ISBN: 978-3-540-45136-5

  • eBook Packages: Springer Book Archive

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