Non-functional information transmission patterns for distributed real-time Java

  • Authors:
  • P. Basanta-Val;M. Garcia-Valls;I. Estevez-Ayres

  • Affiliations:
  • DREQUIEM Lab., Universidad Carlos III de Madrid, Leganés, Madrid;DREQUIEM Lab., Universidad Carlos III de Madrid, Leganés, Madrid;DREQUIEM Lab., Universidad Carlos III de Madrid, Leganés, Madrid

  • Venue:
  • Software—Practice & Experience
  • Year:
  • 2011

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Abstract

Many real-time systems use preemptive priority-based scheduling in their internals to guarantee certain real-time performance. This includes technologies that range from The Real-Time Specification for Java (RTSJ) to middleware like Real-Time Common Object Request Broker Architecture (RT-CORBA), which offers additional models and policies that blend client and server information. This decision eases the integration of real-time admission tests and dispatching policies in these types of infrastructures. In this paper, we analyze different trade-offs that emerge from the definition of different propagation models for distributed real-time Java. The paper covers technological integration aspects as impact on interfaces and other practical issues mainly related to the performance that this model offers to a real-time application and non-functional overhead. The contribution described in the paper may help in the development of The Distributed Specification for Java (DRTSJ). Copyright © 2011 John Wiley & Sons, Ltd.