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Performance Analysis of Packet-Level Scheduling in an IP-over-ATM Network with QoS Control

Chie DOU, Cheng-Tien LIN, Shu-Wei WANG, Kuo-Cheng LEU

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Summary :

In this paper, we study the performance of packet-level scheduling in IP-over-ATM networks with QoS control. That is, we assume the traffic is composed of multiple classes. We analyze the performance of different queue mappings between traffic types and the number of available traffic classes (priority queues). Since cells of a given packet are not bound to be transmitted back-to-back if multiple traffic classes are used, it is quite interesting to know the packet delay characteristic as well as the cell delay characteristic of respective traffic types in different queue mappings. Closed-form solutions for the mean cell waiting time and the mean packet waiting time of individual traffic types in different queue mappings are presented. The numerical results obtained in this paper can be helpful in understanding the behavior of IP-over-ATM networks which adopting packet-level scheduling and QoS control.

Publication
IEICE TRANSACTIONS on Communications Vol.E83-B No.7 pp.1534-1543
Publication Date
2000/07/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Internet

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