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Issue No.02 - March/April (1989 vol.6)
pp: 46-51
ABSTRACT
<p>A system is described that integrates timed Petri nets and queueing networks to model complex, real-time systems. It includes a graphical modeling tool, called TPQN, a textual specification language, called TPQL, and a simulator, called TPQS. TPQN's capabilities are illustrated by a performance analysis of a real-time, multitasking scheduler that had been previously implemented on top of SunOS on a Sun-3 workstation. A simulation package has been developed for TPQN that allows the behavior of various complicated systems under a designated queueing network topology to be studied before the system is implemented.</p>
INDEX TERMS
real-time multitasking system; timed PQ net; timed Petri nets; queueing networks; real-time systems; graphical modeling tool; TPQN; textual specification language; TPQL; simulator; TPQS; performance analysis; multitasking scheduler; SunOS; Sun-3; queueing network topology; multiprogramming; performance evaluation; Petri nets; queueing theory; real-time systems; specification languages
CITATION
Carl K. Chang, Young-Fu Chang, Lin Yang, Ching-Roung Chou, Jong-Jeng Chen, "Modeling a Real-Time Multitasking System in a Timed PQ Net", IEEE Software, vol.6, no. 2, pp. 46-51, March/April 1989, doi:10.1109/52.23129
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