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Electronics and Telecommunications Research Institute (한국전자통신연구원)
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Cost-Efficient Virtual Optical Network Embedding for Manageable Inter-Data-Center Connectivity

  • Perello, Jordi (Computer Architecture Department, Universitat Politecnica de Catalunya) ;
  • Pavon-Marino, Pablo (Department of Information Technologies and Communications, Universidad Politecnica de Cartagena) ;
  • Spadaro, Salvatore (Signal Theory and Communications Department, Universitat Politecnica de Catalunya)
  • Received : 2012.06.21
  • Accepted : 2012.08.08
  • Published : 2013.02.01
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Abstract

Network virtualization opens the door to novel infrastructure services offering connectivity and node manageability. In this letter, we focus on the cost-efficient embedding of on-demand virtual optical network requests for interconnecting geographically distributed data centers. We present a mixed integer linear programming formulation that introduces flexibility in the virtual-physical node mapping to optimize the usage of the underlying physical resources. Illustrative results show that flexibility in the node mapping can reduce the number of add-drop ports required to serve the offered demands by 40%.

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References

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  2. A Survey on Algorithmic Aspects of Virtual Optical Network Embedding for Cloud Networks vol.6, pp.None, 2013, https://doi.org/10.1109/access.2018.2821179