Hybrid Diffusion Schemes for Load Balancing on OTIS-Networks

  • Chenggui Zhao
  • Wenjun Xiao
  • Yong Qin
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4494)


Several diffusion schemes have been developed for load balancing on general networks. But these schemes are not well adapt to the optical transpose interconnection network (OTIS) because this network usually has high order Laplace matrix such that computing its spectrum becomes complicated. Even if its spectrum is obtained simply, diffusion schemes sometimes are rather difficult to implement because of large scale of network usually.

Corresponding to traditional X schemes, we propose hybrid diffusion schemes called DED-X for load balancing on OTIS network. By DED-X schemes, load flows are scheduled on intragroup and intergroup links on OTIS network separately. The DED-X schemes only compute the Laplace spectrum of the factor graph of the OTIS network. The spectral information of whole OTIS network is not necessary. We also provide some theoretical evidences to show that DED-X schemes are better than those traditional X schemes. Simulation results show that proposed schemes have significant promotion in efficiency and stability.


Load Balance Factor Graph Distinct Eigenvalue Node Load Factor Network 
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 2007

Authors and Affiliations

  • Chenggui Zhao
    • 1
  • Wenjun Xiao
    • 1
  • Yong Qin
    • 1
    • 2
  1. 1.School of Compuer Science and Engineering, South China University of Technology, Guangzhou, 510640China
  2. 2.Information and Network Center, Maoming University, Maoming, 525000China

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