2011•重庆大学学报：英文版Requires access

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

Xueshun Wang

Abstract

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.

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Key concepts: Dynamic bandwidth allocation, Optical line termination, Computer science, Computer network, Bandwidth (computing), Passive optical network, Network packet, Bandwidth allocation