Approximations for performance evaluation of the packet access queue in QPSX : The IEEE 802.6 evolving MAN standard

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Detail(s)

Original languageEnglish
Pages (from-to)53-62
Journal / PublicationATR. Australian telecommunication research
Volume22
Issue number2
Publication statusPublished - 1988
Externally publishedYes

Abstract

QPSX is a hybrid switching system. In this paper, we suggest several approximations which can be used to evaluate the performance of the packet access queue in QPSX for three implementations: unlimited buffer, limited buffer and interactive environment. Two circuit allocation policies, namely, repacking and first-fit, are considered. The queueing statistics are obtained by modeling the packet queue as a queue in a random environment with slowly varying service rates.