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Published in:
2010 | OriginalPaper | Chapter
Hybrid Dynamic Bandwidth and Wavelength Allocation Algorithm to Support Multi-Service Level Profiles in a WDM-EPON
Authors : Noemí Merayo, Rubén González, Ignacio de Miguel, Tamara Jiménez, Ramón J. Durán, Patricia Fernández, Rubén M. Lorenzo, Juan C. Aguado, Evaristo J. Abril
Published in: Access Networks
Publisher: Springer Berlin Heidelberg
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A novel bandwidth assignment algorithm in WDM Ethernet Passive Optical Networks, called DyWaS-SLA, is proposed not only to provide service differentiation but also to offer subscriber differentiation. Simulation results show that DyWaS-SLA outperforms other bandwidth allocation algorithms in WDM-EPONs as it makes fairer bandwidth distribution than those methods. Consequently, it always insures a guaranteed bandwidth for every priority subscriber. Furthermore, DyWaS-SLA obtains lower mean packet delay and packet loss rate for the highest priority subscribers when compared with other bandwidth distribution schemes in WDM-EPONs.