QUEUING ANALYSES OF TRAFFIC ACCESS-CONTROL STRATEGIES WITH PREEMPTIVE AND NONPREEMPTIVE DISCIPLINES IN WIDE-BAND INTEGRATED NETWORKS

被引：14
作者：
NGO, B
LEE, H
机构：
[1] Department of Systems and Computer Engineering, Carleton University, Ottawa
来源：
IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS | 1991年 / 9卷 / 07期
基金：
加拿大自然科学与工程研究理事会;
关键词：
PRIORITY; RESTRICTION; CUSTOMERS; MODEL;
D O I：
10.1109/49.103555
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A multiserver queueing model of access control strategies for a wideband integrated services digital network (ISDN) is considered. There are two types of service requests (SR's): Type 1 SR requires b servers (basic bandwidth units, BBU's) of the c available servers while Type 2 SR requires a single server. Both types of SR's are queueable in two separate infinite-size buffers. A Type 1 SR is allowed to seize d(less-than-or-equal-to b) servers at first and then acquire additional servers as they become available to meet the original requirement of b servers. The arrival processes of both types of SR's are Poisson and the service times are exponentially distributed with mean b/d-mu-1 and 1/mu-2 for Type 1 SR and Type 2 SR, respectively. Preemptive and nonpreemptive priority disciplines with movable boundary are analyzed using the Neuts' matrix-analytic approach. Numerical examples of the queue length distribution and the mean waiting time of the SR's are presented.
引用
收藏
页码：1093 / 1109
页数：17
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