Improved Connection Establishment of Dynamic Traffic with Queue in WDM Optical Networks

  • Shrinivas Petale
  • Rakesh Kumar Maurya
  • Jaisingh Thangaraj


Proper route selection between source and destination \((s-d)\) connection leads to efficient resource utilization which leads to the availability of resources for future call arrivals. Various choices are available for Routing and Wavelength Assignment (RWA) and every network demands a particular set of RWA to face least call blocking. Call blocking is an important issue in WDM network since it decides the provision of efficient service. In this paper, we have proposed the solution for RWA problem, efficient Wavelength Assignment Technique (WAT) and effect of call queuing in the network. We have studied and compared all sets of RWA over 14 nodes NSF network and found out that our proposed WAT works better in every set. Call blocking is a function of time and a slight change in time shows noticeable effects. We have shown the effect of call contention on WDM network and hence proposed the optimum value of it. Our simulation results for dynamic traffic show that optimal selection of RWA and contention window improve blocking of connections.


Adaptive wavelength assignment Blocking performance RWA Wavelength assignment Resource allocation 



We acknowledge the thanks and support provided to us by Department of Electronics Engineering of Indian Institute of Technology (Indian School of Mines), Dhanbad, India.


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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Shrinivas Petale
    • 1
  • Rakesh Kumar Maurya
    • 1
  • Jaisingh Thangaraj
    • 1
  1. 1.Department of Electronics EngineeringIndian Institute of Technology (Indian School of Mines)DhanbadIndia

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