Optimization of wavelength assignment for QoS multicast in WDM networks

  title={Optimization of wavelength assignment for QoS multicast in WDM networks},
  author={Xiaohua Jia and Dingzhu Du and Xiao-Dong Hu and Man-Kei Lee and Jun Gu},
  journal={IEEE Trans. Communications},
This paper discusses quality-of-service (QoS) multicast in wavelength-division multiplexing (WDM) networks. Given a set of QoS multicast requests, we are to find a set of cost suboptimal QoS routing trees and assign wavelengths to them. The objective is to minimize the number of wavelengths in the system. This is a challenging issue. It involves not only optimal QoS multicast routing, but also the optimal wavelength assignment. Existing methods consider channel setup in WDM networks in two… CONTINUE READING
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