NDLI: Heavy traffic analysis of a multi-class loss link with preemption

Content Provider	IEEE Xplore Digital Library
Author	Zhen Zhao Weber, S. de Oliveira, J.C.
Copyright Year	2007
Description	Author affiliation: Drexel Univ., Philadelphia (Zhen Zhao; Weber, S.; de Oliveira, J.C.)
Abstract	Preemption policies are widely used in many contexts to provide higher quality of service (QoS) to high priority traffic during congestion by preempting low priority traffic. Although there is extensive work in the queueing literature on the performance of multi-class loss systems, there is little work on the performance of preemption models. In this paper we employ heavy traffic results from queueing theory for the blocking probability on a single-class loss link to obtain expressions for preemption probabilities in a multi-class loss link. In particular, we consider the case of L classes where class l may preempt if necessary any calls of classes l+1, L, and may in turn be preempted by any calls of class 1, l-1. We characterize the probabilities of a class l call causing preemption of an admitted lower priority call upon its arrival, and of a class l call being preempted by a higher priority call.
Starting Page	794
Ending Page	799
File Size	1033223
Page Count	6
File Format	PDF
ISBN	1424410633
DOI	10.1109/CISS.2007.4298417
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-03-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiprotocol label switching Context-aware services Quality of service Traffic control Numerical simulation Performance loss Communication system traffic control Queueing analysis Capacity planning
Content Type	Text
Resource Type	Article

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