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SDN中一种基于网络的分布式移动管理方案

张奇支 赵淦森

张奇支, 赵淦森. SDN中一种基于网络的分布式移动管理方案[J]. 华南师范大学学报(自然科学版), 2019, 51(5): 115-120. doi: 10.6054/j.jscnun.2019093
引用本文: 张奇支, 赵淦森. SDN中一种基于网络的分布式移动管理方案[J]. 华南师范大学学报(自然科学版), 2019, 51(5): 115-120. doi: 10.6054/j.jscnun.2019093
ZHANG Qizhi, ZHAO Gansen. A Network-Based Distributed Mobility Management under SDN[J]. Journal of South China normal University (Natural Science Edition), 2019, 51(5): 115-120. doi: 10.6054/j.jscnun.2019093
Citation: ZHANG Qizhi, ZHAO Gansen. A Network-Based Distributed Mobility Management under SDN[J]. Journal of South China normal University (Natural Science Edition), 2019, 51(5): 115-120. doi: 10.6054/j.jscnun.2019093

SDN中一种基于网络的分布式移动管理方案

doi: 10.6054/j.jscnun.2019093
基金项目: 

国家自然科学基金项目 61671213

广东省科技计划项目 2017KZ010101

广东省科技发展专项资金项目 2017B03038009

详细信息
    通讯作者:

    张奇支,副教授,Email:zhangqizhi55@qq.com

  • 中图分类号: TP393

A Network-Based Distributed Mobility Management under SDN

  • 摘要: 传统的分布式移动管理方案虽然能解决集中式移动管理方案的不足,但在移动结点发生切换时,仍然需要建立隧道,从而增加了网络开销.为了解决这一问题,利用软件定义网络(SDN)中控制平面与转发平面相分离的特点,在SDN架构下提出一种新的基于网络的分布式移动管理方案(NNDMM),该方案能充分发挥SDN的优点,同时不会给控制器造成额外的压力.建模分析表明:相对于传统的分布式移动管理方案,无论在信令费用上,还是包递送费用上,NNDMM方案都有明显的优势.
  • 图  1  NNDMM方案的网络架构

    Figure  1.  The architecture of NNDMM scheme

    图  2  MN初始化流程

    Figure  2.  The initialization flow of MN

    图  3  MN切换流程

    Figure  3.  The handover flow of MN

    图  4  信令费用比值vs平均逗留时间

    Figure  4.  The ratio of signaling cost to average linger time

    图  5  信令费用比值vs平均逗留时间

    Figure  5.  The ratio of signaling cost to average linger time

    图  6  包递送费用比值vs平均逗留时间

    Figure  6.  The ratio of packet delivery cost to average linger time

    图  7  包递送费用比值vs平均逗留时间

    Figure  7.  The ratio of packet delivery cost to average linger time

    表  1  各参数的取值

    Table  1.   The value of parameters

    参数 hMN-OMAG hCN-OMAG hOMAG-DMM hOMAG-Ctrl hDMM-Ctrl POMAG PDMM PCtrl TBCE/s τ hMN-MAAR hCN-MAAR hMAAR-CMD hMAAR-MAAR hOMAG-OMAG PMAAR PCMD α β d
    取值 1 10 8 8 1 2 5 5 300 1.5 1 10 8 1 1 2 5 1 5 0.5
    下载: 导出CSV
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出版历程
  • 收稿日期:  2019-04-09
  • 刊出日期:  2019-10-25

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