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FC-AE-1553网络的“并发交换式”动态带宽调度机制

吴少俊 赵光恒 王立芊 展月英 王进 王洪祥

吴少俊, 赵光恒, 王立芊, 等 . FC-AE-1553网络的“并发交换式”动态带宽调度机制[J]. 北京航空航天大学学报, 2016, 42(12): 2579-2586. doi: 10.13700/j.bh.1001-5965.2015.0856
引用本文: 吴少俊, 赵光恒, 王立芊, 等 . FC-AE-1553网络的“并发交换式”动态带宽调度机制[J]. 北京航空航天大学学报, 2016, 42(12): 2579-2586. doi: 10.13700/j.bh.1001-5965.2015.0856
WU Shaojun, ZHAO Guangheng, WANG Liqian, et al. Dynamic bandwidth allocation mechanism with parallel and switching for FC-AE-1553 network[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(12): 2579-2586. doi: 10.13700/j.bh.1001-5965.2015.0856(in Chinese)
Citation: WU Shaojun, ZHAO Guangheng, WANG Liqian, et al. Dynamic bandwidth allocation mechanism with parallel and switching for FC-AE-1553 network[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(12): 2579-2586. doi: 10.13700/j.bh.1001-5965.2015.0856(in Chinese)

FC-AE-1553网络的“并发交换式”动态带宽调度机制

doi: 10.13700/j.bh.1001-5965.2015.0856
基金项目: 

中国科学院空间应用工程与技术中心前瞻性课题 Y3140651QN

详细信息
    作者简介:

    赵光恒, 男, 博士, 研究员, 博士生导师。主要研究方向:空间科学及应用

    通讯作者:

    吴少俊, 男, 博士研究生, 副研究员。主要研究方向:空间信息处理与组网技术。Tel.:010-82178226, E-mail:wushaojun@csu.ac.cn

  • 中图分类号: V243.1;V443+.1

Dynamic bandwidth allocation mechanism with parallel and switching for FC-AE-1553 network

Funds: 

Advanced Foundation of Technology and Engineering Center for Space Utilization, Chinese Academy of Science Y3140651QN

More Information
  • 摘要:

    为提高航天航空网络传输性能,针对低轨空间舱内有效载荷系统的特点及有效载荷系统数据传输的要求,将空间有效载荷系统的数据分为周期性业务、突发性业务及强时效性业务3种业务类型,并综合分析3种业务特征,提出了一种可应用于FC-AE-1553网络的“并发交换式”动态带宽调度(DBA)机制,即突发性业务传输采用“并发交换式”的动态带宽分配,周期性业务采用静态固定带宽分配,强时效性业务采用抢占式带宽分配的方案。采用理论分析和仿真验证的方式分析了该调度机制的可行性,并通过OPNET仿真软件建立了FC-AE-1553网络仿真平台。结果表明,相比FC-AE-1553网络传统的“总线式”调度机制,所提机制可将FC-AE-1553网络的吞吐量提高10倍以上,且当网络节点数为32时,FC-AE-1553网络的吞吐量可从2.8 Gb/s提高到46 Gb/s,突发性业务的平均时延可降低1个数量级。

     

  • 图 1  交换式FC-AE-1553网络结构示意图

    Figure 1.  Schematic of switching FC-AE-1553 network architecture

    图 2  “并发交换式”动态带宽调度机制示意图

    Figure 2.  Schematic of dynamic bandwidth allocation mechanism with parallel and switching

    图 3  周期性业务调度机制示意图

    Figure 3.  Schematic of allocation mechanism of periodic business

    图 4  突发性业务调度机制示意图

    Figure 4.  Schematic of alloction mechanism of burst business

    图 5  交换式FC-AE-1553网络的仿真系统示意图

    Figure 5.  Schematic of simulation system of switching FC-AE-1553 network

    图 6  NC、NT及交换机的模型与状态机示意图

    Figure 6.  Schematic of node model and state machine of NC, NT and switch

    图 7  “并发交换式”动态带宽调度机制的仿真结果

    Figure 7.  Simulation results of dynamic bandwidth allocation mechanism with parallel and switching

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出版历程
  • 收稿日期:  2015-12-28
  • 录用日期:  2016-01-28
  • 网络出版日期:  2017-12-20

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