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Quality of service in Ethernet passive optical networks Ghani, N.; Shami, A.; Assi, C.; Raja, M.Y.A. Advances in Wired and Wireless Communication, 2004 IEEE/Sarnoff Symposium on Volume , Issue , 26-27 Apr 2004 Page(s): 161 - 165 Digital Object Identifier 10.1109/SARNOF.2004.1302866 Summary: Ethernet passive optical networks (EPON) are fast emerging as the premiere ultra-broadband access solution and offer much-increased scalability and lower cost. Today, quality of service (QoS) provisioning within EPON domains is a major focus, and various dynamic bandwidth allocation (DBA) schemes have been developed using frame-based transmission. However, these schemes largely focus on optical line terminal (OLT) capacity allocation amongst multiple optical node units (ONU). The further issue of intra-ONU bandwidth allocation is a key concern. In this work, the inter/intra-ONU bandwidth allocation issue is treated under the broader packet scheduling framework. In particular, a novel hierarchical framework is developed and related end-to-end delay performance studied. » View citation and abstract



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