A Hybrid Integrated QoS Multicast Routing Algorithm in IP/DWDM Optical Internet

  • Xingwei Wang
  • Jia Li
  • Min Huang
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3756)


An integrated QoS multicast routing algorithm in IP/DWDM optical Internet is proposed in this paper. Considering load balancing, given a multicast request and flexible QoS requirement, to find a QoS multicast routing tree is NP-hard. Thus, a hybrid algorithm based on simulated annealing and tabu search is introduced to construct the cost suboptimal QoS multicast routing tree, embedding the wavelength assignment procedure based on segment and wavelength graph ideas. Hence, the multicast routing and wavelength assignment is solved integratedly. Simulation results have shown that the proposed algorithm is both feasible and effective.


Tabu Search Wavelength Conversion Tabu List Wavelength Assignment Wavelength Converter 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Xingwei Wang
    • 1
  • Jia Li
    • 1
  • Min Huang
    • 1
  1. 1.College of Information Science and EngineeringNortheastern UniversityShenyangP.R.China

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