Towards a Mobile Code Management Environment for Complex,Real-Time, Distributed Systems

  • Authors:
  • Alexander D. Stoyen;Plamen V. Petrov

  • Affiliations:
  • University of Nebraska at Omaha, USA;21st Century Systems, Inc., USA

  • Venue:
  • Real-Time Systems
  • Year:
  • 2001

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Abstract

We present a novel mobile code management environment,currently under design and development. Our design employs anopen architecture, suitable for ``plug-and-play'' with COTS andother groups' tools. While we have studied new algorithms, costand objective functions, and other fundamental issues, the maincontribution of this experimental research work is in the environmentitself. It should be noted that networked platforms, such asthe World Wide Web, are inherently not suitable for traditional,predictable real-time applications. Thus, real-time concernsnecessarily need to be blended with others concerns, and thetarget applications, making use of our environment, will toobe a blend of partially hard real-time and partially (or mostly)soft-real- time ones. The prototype environment will thereforesupport performance-based analysis and management focusing notonly on predictability but also on compilation, efficiency, safetyand other tradeoffs. We have selected the Java language and itsbytecode format as a representation for mobile code as well asa language for our implementation.