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Full-Text Articles in Physical Sciences and Mathematics
Multicast Communication In Circuit-Switched Optical Networks, Ran Libeskind-Hadas, Rami Melhem
Multicast Communication In Circuit-Switched Optical Networks, Ran Libeskind-Hadas, Rami Melhem
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In this paper we examine the problem of multicast routing in Wavelength-division multiplexed (WDM) optical networks. In particular, we examine wavelength and routing assignment problems in circuit-switched WDM networks. We show that although the routing and wavelength assignment (RWA) problem is NP-complete in general, the wavelength assignment (WA) problem can be solevd in a polynomial time.