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Title: Virtual Source Based Multicast Routing in WDM Optical Networks
Authors: Sreenath, N.
Siva Ram Murthy, C.
Mohan, G. 
Keywords: Multicast routing
Sparse optical splitting
Virtual source
Wavelength division multiplexing (WDM)
Wavelength-routed optical networks
Issue Date: 2001
Citation: Sreenath, N., Siva Ram Murthy, C., Mohan, G. (2001). Virtual Source Based Multicast Routing in WDM Optical Networks. Photonic Network Communications 3 (3) : 213-226. ScholarBank@NUS Repository.
Abstract: Wavelength-division multiplexed (WDM) networks using wavelength-routing are considered to be potential candidates for the next generation wide-area backbone networks. Multicasting is the ability to transmit information from a single source node to multiple destination nodes and is becoming an important requirement in high-speed networks. As WDM technology matures and multicast applications become increasingly popular, supporting multicast routing at the WDM layer becomes an important and yet a challenging topic. This paper concerns with the problem of optical multicast routing in WDM networks. A few nodes in the network may have wavelength conversion and/or splitting capabilities. In this paper, a new multicast tree construction algorithm is proposed. This algorithm is based on a concept called virtual source. A virtual source is a node having both the splitting and wavelength conversion capabilities. By exploiting the presence of virtual source nodes, the proposed algorithm achieves improved performance. To further improve the performance, the algorithm assigns priorities to nodes based on their capabilities. The effectiveness of the proposed algorithm is verified through extensive simulation experiments.
Source Title: Photonic Network Communications
ISSN: 1387974X
DOI: 10.1023/A:1011443013088
Appears in Collections:Staff Publications

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