Emission and discard priority scheme for optical burst switched networks
Journal of Optical Networking, Vol. 7, Issue 12, pp. 977-988 (2008)
http://dx.doi.org/10.1364/JON.7.000977
Acrobat PDF (814 KB)
Abstract
A key issue in optical burst switched (OBS) networks is resolving burst contention in an efficient and cost-effective manner. Although deflection routing has been identified as a cost-effective solution, its viability has been questioned. We propose an emission and discard priority (EDP) scheme to alleviate the shortcomings of deflection routing by reducing late packet arrivals and hence improving network goodput. Simulation results show that the deflection with EDP scheme has a lower proportion of late packet arrivals than a basic deflection routing scheme. Furthermore, the deflection with EDP scheme has a higher goodput, when the normalized load is L≥0.7, and a higher efficiency, in terms of goodput per deflection, than the basic deflection routing scheme.
© 2008 Optical Society of America
OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.4250) Fiber optics and optical communications : Networks
ToC Category:
Optical Networks for the Future Internet
History
Original Manuscript: July 11, 2008
Revised Manuscript: October 3, 2008
Manuscript Accepted: October 9, 2008
Published: November 17, 2008
Virtual Issues
Optical Networks for the Future Internet (2009) Journal of Optical Networking
Citation
Pascal Acquaah, Jia-Ming Liu, and H. Anthony Chan, "Emission and discard priority scheme for optical burst switched networks," J. Opt. Netw. 7, 977-988 (2008)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jon-7-12-977
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