Physical impairments awareness based virtual network mapping strategy of elastic optical networks
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1. Beijing SmartChip Microelectronics Technology Company Limited, Beijing 102200, China;2. State Grid Dalian Electric Power Supply Company, Dalian 116011, China

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    Abstract:

    As virtual networks services emerge increasingly with higher requirement of flexibility and robust, great complex challenges caused by physical-layer impairments are presented to the elastic optical networks (EON). Aimed to solve this problem, this paper proposes a physical impairment awareness based virtual network mapping stragegy of EON. The physical impairments awareness model is established, including both of linear factors and nonlinear ones. On this basis, this paper proposes a virtual network mapping strategy with detailed procedures, combined with node importance factors during the virtual network mapping procedure. Test results show that the proposed approach is able to reduce blocking rate and enhance services supporting ability of EON.

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HUO Chao, LIU Lin, BAI Hui-feng. Physical impairments awareness based virtual network mapping strategy of elastic optical networks[J]. Optoelectronics Letters,2021,17(1):36-39

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History
  • Received:February 23,2020
  • Revised:April 01,2020
  • Online: January 04,2021
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