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Seattle, Washington
May 18, 2005 to May 20, 2005
ISBN: 0-7695-2356-0
pp: 174-181
Uwe Brinkschulte , University of Karlsruhe, Germany
Etienne Schneider , University of Karlsruhe, Germany
Florentin Picioroag? , University of Karlsruhe, Germany
ABSTRACT
Dynamic software reconfiguration is a useful tool to adapt and maintain software systems. In most approaches, the system has to be stopped while the reconfiguration is in progress. This is not suitable for real-time systems, even on small-embedded systems. Timing constraints must be met even while the system is reconfiguring. Our approach is based on the real-time middleware OSA+. Our main objective is to be able to reconfigure services during run-time, with a predictable and predefined blackout time (the time the systems does not react due to the reconfiguration). Three different approaches concerning the blocking or non-blocking state of a service are presented. These approaches can be used to realize a tradeoff between the reconfiguration time and the blackout time.
INDEX TERMS
dynamic reconfiguration, real-time, blackout time, embedded systems, distributed systems
CITATION
Uwe Brinkschulte, Etienne Schneider, Florentin Picioroag?, "Dynamic Real-time Reconfiguration in Distributed Systems: Timing Issues and Solutions", ISORC, 2005, 2008 11th IEEE International Symposium on Object and Component-Oriented Real-Time Distributed Computing (ISORC), 2008 11th IEEE International Symposium on Object and Component-Oriented Real-Time Distributed Computing (ISORC) 2005, pp. 174-181, doi:10.1109/ISORC.2005.25
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