Synchronization protocols in distributed real-time systems

In many distributed real-time systems, the workload can be modeled as a set of periodic tasks, each of which consists of a chain of subtasks executing on different processors. Synchronization protocols are used to govern the release of subtasks so that the precedence constraints among subtasks are s...

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Vydané v:Proceedings of the 16th International Conference on Distributed Computing Systems s. 38 - 45
Hlavní autori: Sun, J., Liu, J.
Médium: Konferenčný príspevok..
Jazyk:English
Vydavateľské údaje: IEEE 1996
Predmet:
Computational modeling
Computer science
Delay
Displays
Monitoring
Processor scheduling
Protocols
Real time systems
Sun
Timing
ISBN:9780818673993, 0818673990
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Shrnutí:In many distributed real-time systems, the workload can be modeled as a set of periodic tasks, each of which consists of a chain of subtasks executing on different processors. Synchronization protocols are used to govern the release of subtasks so that the precedence constraints among subtasks are satisfied and the schedulability of the resultant system is analyzable. Tasks have different worst-case and average end-to-end response times when different protocols are used. In this paper, we consider distributed real-time systems with independent, periodic tasks and fixed-priority scheduling algorithms. We propose three synchronization protocols and conduct simulation to compare their performance with respect to the two timing aspects.
ISBN:9780818673993
0818673990
DOI:10.1109/ICDCS.1996.507899