Wavelength and time domain exploitation for QoS management in optical packet switches

被引：28
|
作者：
Callegati, F [1 ]
Cerroni, W [1 ]
Raffaelli, C [1 ]
Zaffoni, P [1 ]
机构：
[1] Univ Bologna, DEIS, I-40136 Bologna, Italy
来源：
COMPUTER NETWORKS-THE INTERNATIONAL JOURNAL OF COMPUTER AND TELECOMMUNICATIONS NETWORKING | 2004年 / 44卷 / 04期
关键词：
optical networks; wavelength multiplexing; optical packet switching; congestion resolution; quality of service;
D O I：
10.1016/j.comnet.2003.12.010
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper addresses the problem of congestion resolution and quality of service differentiation in optical packet switching. The paper shows that by designing congestion resolution algorithms that combine the use of the wavelength and the time domain it is possible to significantly reduce information loss phenomena and also to guarantee quality of service differentiation among traffic classes. In particular this is achieved by means of QoS algorithms specifically designed to exploit the characteristics of optical technology. The results are different from the QoS techniques typically implemented in electronic networks. Performance evaluation obtained by simulation shows the influence of the main system parameters on packet loss probability and delay for two service classes. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：569 / 582
页数：14
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