AN ANALYSIS OF A DISCRETE-TIME QUEUE FOR BROAD-BAND ISDN WITH PRIORITIES AMONG TRAFFIC CLASSES

被引:52
作者
TAKINE, T [1 ]
SENGUPTA, B [1 ]
HASEGAWA, T [1 ]
机构
[1] NEC USA INC,C&C LABS,PRINCETON,NJ 08540
关键词
B-ISDN; MULTIPLE TRAFFIC CLASSES; PRIORITIES; DISCRETE-TIME QUEUES;
D O I
10.1109/TCOMM.1994.582893
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
In Broadband ISDN, different classes of traffic expect to receive different quality of service. One way of providing service is to implement a priority structure among traffic classes. We analyze a single server queue in which video and voice traffic receive priority over data traffic. Corresponding to the fixed cell size of ATM, we assume that service times are deterministic. We further assume that the high priority traffic is correlated and the arrivals are governed by a Markov chain. With these assumptions, we characterize the queue length distributions and the waiting time distributions for this problem. We show by numerical examples that the delay distribution depends highly on the correlations and that a priority service discipline is capable of providing very good service for real time traffic.
引用
收藏
页码:1837 / 1845
页数:9
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