A novel optical packet switch architecture with reduced wavelength conversion complexity

Authors:
Kamal S. Hamza;Hesharn Elbadawy;Ismail Taha
Affiliations:
College of Engineering, Arab Academy for Science and Technology, Cairo, Egypt;Network Departement, National Telecomm Inistitue, Cairo, Egypt;College of Management, Arab Academy for Science and TechnoIogy, Cairo, Egypt
Venue:
HONET'09 Proceedings of the 6th international conference on High capacity optical networks and enabling technologies
Year:
2009

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Abstract

In this paper, a novel Optical Packet Switch (OPS) architecture is proposed and its scheduling algorithm is implemented and analyzed. The proposed architecture makes use of shared wavelength exchange optical crossbars (WOCs) to reduce wavelength conversion complexity. Simulation results show that, under heavy traffic loads, the conversion cost of the proposed OPS architecture is only 25% of that of a typical OPS architecture. Moreover, under low traffic loads, the conversion cost of the proposed architecture can be reduced to half of that of typical OPS designs.