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Enhanced DBA to provide QoS to coexistent EPON and 10G-EPON networks
Garfias Hernandez, Paola; Gutiérrez González, Lluís; Sallent Ribes, Sebastián
Universitat Politècnica de Catalunya. Departament d'Enginyeria Telemàtica; Universitat Politècnica de Catalunya. BAMPLA - Disseny i Avaluació de Xarxes i Serveis de Banda Ampla
The evolution of the Ethernet passive optical network (EPON) to the enhanced 10G-EPON standard looks poised to maintain its position as the leading fiber to the home technology worldwide. Fair bandwidth allocation will be a challenge in the near future in plants where 1G and 10G customer premises equipment coexists. In this paper we propose a distributed algorithm, distributed dynamic scheduling for EPON (DDSPON), to dynamically allocate the bandwidth requested by the user equipment with quality of service (QoS) constraints. The proposed algorithm is scalable and simple to re-configure, which facilitates a smoother transition from legacy 1G to 10G networks. By using the DDSPON, enhanced optical network units (ONUs) will take full advantage of the 10 Gb/s rate while legacy 1G ONUs maintain their service level agreement; as a result, the individual performance is maximized for both groups of ONUs. We also present an analytical model to evaluate the algorithm performance in a coexistent 1G/10G network. Finally, we also illustrate the enhancement of the DDSPON to provision the QoS to different services under the DiffServ architecture. Analysis and simulation results validate the effectiveness of the proposed mechanisms.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telemàtica i xarxes d'ordinadors
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica
Broadband communication systems
Optical communications
Production scheduling
Computer algorithms
10G-EPON
DBA
EPON
MPCP
Comunicacions òptiques
Commutació de paquets (Transmissió de dades)
Telecomunicació
Algorismes -- Anàlisi
info:eu-repo/semantics/submittedVersion
Artículo
Institute of Electrical and Electronics Engineers (IEEE)
         

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