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Laser & Optoelectronics Progress, Volume. 59, Issue 7, 0706007(2022)

Fragmentation-Aware Routing and Spectrum Allocation Algorithm Based on Service Carrying Capacity in Elastic Optical Networks

Shicheng Wang1, Xiaojing Chen1,2, and Rongxi He1、*
Author Affiliations
  • 1College of Information Science and Technology, Dalian Maritime University, Dalian , Liaoning 116026, China
  • 2Dalian University of Science and Technology, Dalian , Liaoning 116052, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
    Equations (6)
    References (19)
    Cited By (2)
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    Figures & Tables(9)
    Resource occupation in path P1

    Fig. 1. Resource occupation in path P1

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    Example diagram of relevant paths

    Fig. 2. Example diagram of relevant paths

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    Resource occupation of the network. (a) Established requests; (b) resource occupation of candidate path and relevant paths

    Fig. 3. Resource occupation of the network. (a) Established requests; (b) resource occupation of candidate path and relevant paths

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    Service carrying capacity of free resources in each relevant path of different RSA schemes

    Fig. 4. Service carrying capacity of free resources in each relevant path of different RSA schemes

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    Flow chart of the MSCC algorithm

    Fig. 5. Flow chart of the MSCC algorithm

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    Bandwidth blocking probability of different algorithms. (a) NSFNET; (b) Cost239

    Fig. 6. Bandwidth blocking probability of different algorithms. (a) NSFNET; (b) Cost239

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    Link average fragmentation rate of different algorithms. (a) NSFNET; (b) Cost239

    Fig. 7. Link average fragmentation rate of different algorithms. (a) NSFNET; (b) Cost239

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    Resource utilization of different algorithms. (a) NSFNET; (b) Cost239

    Fig. 8. Resource utilization of different algorithms. (a) NSFNET; (b) Cost239

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    • Table 1. Service carrying capacity of free resources in each relevant path

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      Table 1. Service carrying capacity of free resources in each relevant path

      Relevant pathScheme 1Scheme 2Scheme 3Scheme 4
      χP212.28019.22119.85321.937
      P2,12.1851.8542.2102.453
      P2,21.9101.7001.7002.178
      P2,32.4257.6927.6928.170
      P2,41.3691.8732.0571.662
      P2,51.7024.5774.7613.867
      P2,62.6891.5251.4333.607
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    Shicheng Wang, Xiaojing Chen, Rongxi He. Fragmentation-Aware Routing and Spectrum Allocation Algorithm Based on Service Carrying Capacity in Elastic Optical Networks[J]. Laser & Optoelectronics Progress, 2022, 59(7): 0706007

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Jul. 20, 2021

    Accepted: Sep. 8, 2021

    Published Online: Mar. 8, 2022

    The Author Email: Rongxi He (hrx@dlmu.edu.cn)

    DOI:10.3788/LOP202259.0706007

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology