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Integrating Middleware for Timely Reconfiguration of Distributed Soft Real-Time Systems with Ada DSA

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Reliable Software Technologies – Ada-Europe 2012 (Ada-Europe 2012)

Part of the book series: Lecture Notes in Computer Science ((LNPSE,volume 7308))

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Abstract

Soft real-time distributed systems are dynamic in nature which poses a number of challenges to their time-deterministic behavior. The communication links between their remote parts are also a source of temporal uncertainty that requires thorough architecting to minimize these undesired effects. Currently, enhanced middleware have appeared for soft real-time domains to support time-bounded reconfiguration capabilities; timely reconfiguration is, however, a futuristic approach for open systems, but it is at the moment possible in a restricted distributed system model. In this paper, we present the adaptation of one of these futuristic middleware implementations, iLAND, to Ada DSA; a vertical real-time platform is presented that allows interoperability between a distributed soft real-time iLAND network and distributed Ada programs. This idea has been implemented and validated in a PolyORB/QNX environment.

This work has been partly supported by the iLAND project (ARTEMIS-JU 100026) funded by the ARTEMIS JTU Call 1 and the Spanish Ministry of Industry, Commerce, and Tourism (www.iland-artemis.org), ARTISTDesign NoE (IST-2007-214373) of the EU 7th Framework Programme, and by the Spanish national project REM4VSS (TIN 2011-28339).

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Author information

Authors and Affiliations

  1. Distributed Real-Time Systems Laboratory, Department of Telematics Engineering, Universidad Carlos III de Madrid, Av. de la universidad 30, 28911, Leganés, Madrid, Spain

    Marisol García-Valls & Felipe Ibáñez-Vázquez

Authors
  1. Marisol García-Valls
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  2. Felipe Ibáñez-Vázquez
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Editor information

Editors and Affiliations

  1. Department of Software and Computer Systems, KTH Royal Institute of Technology, Forum 120, 164 40, Kista, Sweden

    Mats Brorsson

  2. CISTER Research Unit, Polytechnic Institute of Porto, Rua Dr. António Bernardino de Almeida, 431, 4200-072, Porto, Portugal

    Luís Miguel Pinho

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García-Valls, M., Ibáñez-Vázquez, F. (2012). Integrating Middleware for Timely Reconfiguration of Distributed Soft Real-Time Systems with Ada DSA. In: Brorsson, M., Pinho, L.M. (eds) Reliable Software Technologies – Ada-Europe 2012. Ada-Europe 2012. Lecture Notes in Computer Science, vol 7308. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-30598-6_3

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  • DOI: https://doi.org/10.1007/978-3-642-30598-6_3

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-30597-9

  • Online ISBN: 978-3-642-30598-6

  • eBook Packages: Computer ScienceComputer Science (R0)

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