Grooming-enhanced multicast in multilayer networks

Authors:
Péter Soproni;Marcell Perényi;Tibor Cinkler
Affiliations:
Department of Telecommunications and Media Informatics, Budapest University of Technology and Economics, Budapest, Hungary;Department of Telecommunications and Media Informatics, Budapest University of Technology and Economics, Budapest, Hungary;Department of Telecommunications and Media Informatics, Budapest University of Technology and Economics, Budapest, Hungary
Venue:
ONDM'07 Proceedings of the 11th international IFIP TC6 conference on Optical network design and modeling
Year:
2007

Citing 1
Cited 1

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Abstract

In this paper we investigate and evaluate the performance of multicast routing in grooming capable multi-layer optical wavelength division multiplexing (WDM) networks. New wavelength-graph models are proposed for network equipments capable of optical-layer branching of light-paths. We evaluate the cost-effectiveness of electronic and optical-layer multicast and unicast as well. The high scalability of optical multicast against unicast is also showed. All routing and technical constraints are formulated in ILP and realized in our versatile simulator.