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Laser & Optoelectronics Progress, Volume. 57, Issue 17, 170608(2020)

Memory Performance Optimization of Delay Tolerant Network Relay Node Based on Queuing Model

Changpeng Ji1,3, Xingmei Han2、*, and Wenxin Ji4
Author Affiliations
  • 1School of Electronic and Information Engineering, Liaoning Technical University, Huludao, Liaoning 125105, China
  • 2Institute of Graduate, Liaoning Technical University, Huludao, Liaoning 125105, China
  • 3Liaoning Open-Pit Mining Equipment Engineering Technology Research Center, Fuxin, Liaoning 123009, China
  • 4School of Physics and Electronic Engineering, Changshu Institute of Technology, Suzhou, Jiangsu 215500, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
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    References (18)
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    Figures & Tables(8)
    BP/LTP architecture and transmission process of data queue

    Fig. 1. BP/LTP architecture and transmission process of data queue

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    Error resend mechanism of LTP

    Fig. 2. Error resend mechanism of LTP

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    Comparison of prediction the model and the real queuing process

    Fig. 3. Comparison of prediction the model and the real queuing process

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    Optimization effect of each scheme at different arrival rates. (a) LTP data segment length is 500 byte; (b) LTP data segment length is 1400 byte

    Fig. 4. Optimization effect of each scheme at different arrival rates. (a) LTP data segment length is 500 byte; (b) LTP data segment length is 1400 byte

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    optimization effect of each scheme under different channel bit error rates. (a) LTP data segment length is 500 byte; (b) LTP data segment length is 1400 byte

    Fig. 5. optimization effect of each scheme under different channel bit error rates. (a) LTP data segment length is 500 byte; (b) LTP data segment length is 1400 byte

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    Optimization effects of each scheme under different channel environments. (a) Change the channel bit error rate; (b) change the arrival rate

    Fig. 6. Optimization effects of each scheme under different channel environments. (a) Change the channel bit error rate; (b) change the arrival rate

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    Optimization effects of the two schemes

    Fig. 7. Optimization effects of the two schemes

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    • Table 1. Parameters under different independent variable conditions

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      Table 1. Parameters under different independent variable conditions

      ParameterNot optimizedOptimized lOptimized kAll optimized
      kl /bytekl /bytekl /bytekl /byte
      Fig.4 (a)550051127850081127
      Fig.4 (b)51400511278140081127
      Fig.5 (a)550051127850081127
      Fig.5 (b)51400511278140081127
      Fig.6 (a)2014002011278140081127
      Fig.6 (b)2014002011278140081127
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    Changpeng Ji, Xingmei Han, Wenxin Ji. Memory Performance Optimization of Delay Tolerant Network Relay Node Based on Queuing Model[J]. Laser & Optoelectronics Progress, 2020, 57(17): 170608

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Dec. 24, 2019

    Accepted: Jan. 14, 2020

    Published Online: Sep. 1, 2020

    The Author Email: Xingmei Han (eudora292046@163.com)

    DOI:10.3788/LOP57.170608

    Topics

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