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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: K. Bergman and O. Gerstel
  • Vol. 5, Iss. 8 — Aug. 1, 2013
  • pp: 921–931

Highly Flexible and Efficient Model for QoS Provisioning in WDM EPON

Mirjana R. Radivojević and Petar S. Matavulj  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 5, Issue 8, pp. 921-931 (2013)
http://dx.doi.org/10.1364/JOCN.5.000921


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Abstract

The recent development of new applications and services, primarily multimedia applications, has driven the need for higher bandwidth and a faster access network, but these cannot be fully realized with the conventional single-channel Ethernet passive optical network (EPON). In such circumstances, the realization of WDM EPONs is the best solution for the implementation of converged triple-play networks. In this paper we present a novel algorithm dynamic wavelength priority bandwidth allocation with traffic class hopping for wavelength and bandwidth allocation with quality of service (QoS) support that incorporates both offline and modified online scheduling. In order to implement QoS support, we present an approach in which wavelength assignment takes place per service class and not per optical network unit, as suggested by the common approach in literature. The presented algorithm can guarantee both the priority and fairness of the differentiated traffic classes. Apart from the theoretical analysis, we studied and evaluated the performance of the presented model through detailed simulation experiments. An original network model is developed in MATLAB and incorporates all key parameters of the real network environment, such as queuing, transmission and packet processing delay, round-trip time, and framing overhead. The simulation results confirm the excellent performance of the presented model in terms of average packet delay, jitter, and packet loss.

© 2013 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.4256) Fiber optics and optical communications : Networks, network optimization
(060.4264) Fiber optics and optical communications : Networks, wavelength assignment

ToC Category:
Research Papers

History
Original Manuscript: January 14, 2013
Revised Manuscript: June 5, 2013
Manuscript Accepted: July 5, 2013
Published: July 29, 2013

Citation
Mirjana R. Radivojević and Petar S. Matavulj, "Highly Flexible and Efficient Model for QoS Provisioning in WDM EPON," J. Opt. Commun. Netw. 5, 921-931 (2013)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-5-8-921

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