Classification of Markov Processes of Matrix M/G/1 type with a Tree Structure and its Applications to the MMAP[K]/G[K]/1 Queue

نویسنده

  • Qi-Ming HE
چکیده

The purpose of this paper is to study the classification problem of discrete time and continuous time Markov processes of matrix M/G/1 type with a tree structure. We begin this paper by developing a computational method to find whether a Markov process of matrix M/G/1 type with a tree structure is positive recurrent, null recurrent, or transient. The method is then used to study the impact of the last-come-first-served general preemptive resume (LCFS-GPR) service discipline on the stability of the MAP/PH/1 queue. The later portion of the paper identifies some sufficient conditions for positive recurrence and transience of Markov processes of matrix M/G/1 type with a tree structure. The results are used to show that the discrete time or continuous time MMAP[K]/G[K]/1 queue or the continuous time MMAP[K]/PH[K]/S queue with a work conserving service discipline is stable if and only if its traffic intensity is less than one, unstable if its traffic intensity is larger than one.

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تاریخ انتشار 2004