Multicast Routing and Wavelength Assignment in Multi-Hop Optical Networks

Authors:
Ran Libeskind-Hadas;Rami G. Melhem
Affiliations:
-;-
Venue:
ICN '01 Proceedings of the First International Conference on Networking-Part 1
Year:
2001

Citing 7
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Abstract

This paper addresses multicast routing in multi-hop optical networks employing wavelength-division multiplexing (WDM). We consider a model in which multicast communication requests are made and released dynamically over time. A multicast connection is realized by constructing a multicast tree which distributes the message from the source node to all destination nodes such that the wavelengths used on each link and the receivers and transmitters used at each node are not used by existing circuits. We show that although the routing and wavelength assignment in this model is NP-complete, the wavelength assignment problem can be solved in linear time.