Spectrum Allocation Policies in Flexi-Grid Optical Networks

  • M. B. SumalathaEmail author
  • L. M. Aishwarya
  • C. L. Triveni
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 614)


Challenges while designing algorithms in fixed WDM are easier than the flexible optical networks. The major challenges in flexible optical networks are in related with physical layer, routing, spectrum allocation (RSA) and dynamic traffic fluctuations. Spectrum allocation policies are used to minimize the cost of transponder and also to utilize spectrum efficiently. Spectrum allocation policies such as constant spectrum allocation (CSA), dynamic high expansion–low contraction (DHL) and dynamic alternate direction (DAD) used to avoid wastage of bandwidth. For these policies, blocking probability, cost of transponders and regenerators required are calculated using MATLAB software.




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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • M. B. Sumalatha
    • 1
    Email author
  • L. M. Aishwarya
    • 1
  • C. L. Triveni
    • 1
  1. 1.Department of ECEMalnad College of EngineeringHassanIndia

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