A novel algorithm for Ethernet-passive-optical-network dynamic bandwidth allocation based on threshold

被引：0
|
作者：
汪学舜
机构：
[1] Computer College for Huazhong University of Science and Technology
[2] Wuhan Research Institutes of Post and Telecommunication
来源：
Journal of Chongqing University(English Edition) | 2011年 / 10卷 / 01期
关键词：
Ethernet passive optical network(EPON); dynamic bandwidth allocation(DBA); optical network unit(ONU); optical line terminal(OLT); polling cycle;
D O I：
暂无
中图分类号：
TN929.1 [光波通信、激光通信];
学科分类号：
0803 ;
摘要：
The Ethernet passive optical network(EPON) is the next generation of broad-band network technique.A crucial issue in EPONs is the sharing of uplink bandwidth among optical network units(ONUs).This article provides a novel dynamic bandwidth allocation algorithm,i.e.threshold dynamic bandwidth allocation(TDBA),which is based on adaptive threshold,to increase resource utilization.The algorithm uses ONU data-transmitting rate to adjust optical line terminal(OLT) receiving data threshold from an ONU.Simulation results show that this algorithm can decrease average packet delay and increase network throughput in a 10G EPON system.
引用
收藏
页码：45 / 50
页数：6
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