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Efficient Differentiated Bandwidth Allocation for QoS based Ethernet PON System  

Eom Jong-Hoon (KT 통신망연구소)
Jung Min-Suk (경북대학교 컴퓨터공학과)
Kim Sung-Ho (경북대학교 컴퓨터공학과)
Publication Information
Journal of KIISE:Information Networking / v.32, no.2, 2005 , pp. 156-166 More about this Journal
Abstract
Ethernet passive optical network is an economical and efficient access network that has received significant research attention in recent years. A MAC(Media Access Control) protocol of PON, the next generation access network, is based on TDMA(Time Division Multiple Access) basically. In this thesis, we addressed the problem of dynamic bandwidth allocation in QoS based Ethernet PONs. We augmented the bandwidth allocation to support QoS in a differentiated services framework. Our differentiated bandwidth guarantee allocation(DBGA) allocates effectively and fairly bandwidths among end users. Moreover, we showed that DBGA that perform weighted bandwidth allocation for high priority packets result in better performance in terms of average and maximum packet delay, as well as network throughput compared with existing dynamic bandwidth allocations. We used simulation experiments to study the performance and validate the effectiveness of the proposed bandwidth allocations.
Keywords
Ethernet; PON; EPON; QoS; Dynamic Bandwidth Allocation;
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