Analytical model for the IPACT dynamic bandwidth allocation algorithm for EPONs

被引:52
作者
Lannoo, Bart
Verslegers, Lieven
Colle, Didier
Pickavet, Mario
Gagnaire, Maurice
Demeester, Piet
机构
[1] Univ Ghent, IBBT, INTEC, Dept Informat Technol, B-9050 Ghent, Belgium
[2] ENST, Dept Informat & Reseaux, F-75634 Paris, France
来源
JOURNAL OF OPTICAL NETWORKING | 2007年 / 6卷 / 06期
关键词
D O I
10.1364/JON.6.000677
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
We describe the research that has been performed in the field of the dynamic bandwidth allocation algorithm, interleaved polling with adaptive cycle time (IPACT), for Ethernet passive optical networks (EPON). The main focus has been on modeling packet delay analytically. To derive the packet delay, an important part of the analysis will also focus on the cycle time. It is assumed that the traffic load is symmetric, that packet arrivals are Poisson distributed, and that packets have fixed size. Simulations were performed to prove the accuracy of the analytical model. Some extensions and limitations of the model are treated, including asymmetric traffic load, packet size distribution, self-similar traffic, and differentiated services. (C) 2007 Optical Society of America.
引用
收藏
页码:677 / 688
页数:12
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