Virtual Source Based Multicast Routing in WDM Optical Networks

Virtual Source Based Multicast Routing in WDM Optical Networks 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. Photonic Network Communications Springer Journals

Virtual Source Based Multicast Routing in WDM Optical Networks

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Kluwer Academic Publishers
Copyright © 2001 by Kluwer Academic Publishers
Computer Science; Computer Communication Networks; Electrical Engineering; Characterization and Evaluation of Materials
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  • Benefit of multicasting in all-optical networks
    Malli, R.; Zhang, X.; Qiao, C.
  • Routing and wavelength assignment in all-optical networks with multicast traffic
    Sahin, G.

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