| 卫星MPLS网络中存在标签差错时TCP的吞吐量分析 |
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| 引用本文： | 翟立君,晏坚,曹志刚.卫星MPLS网络中存在标签差错时TCP的吞吐量分析[J].宇航学报,2010,31(8). |
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| 作者姓名： | 翟立君 晏坚 曹志刚 |
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| 作者单位： | 清华大学电子工程系,北京,100084 |
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| 摘 要： | 卫星多协议标签交换(Multiprotocol label switching,MPLS)技术成为当前卫星通信系统研究的一个重要课题。本文分析了卫星通信链路高误码所导致的MPLS标签差错对标签交换路径(Label Switching Path,LSP)承载TCP/IP业务能力的影响。建立了卫星交换系统内"误插入"分组产生过程的数学模型,计算了受干扰LSP上TCPReno会话所能获得的吞吐量。仿真结果表明,本文提出的分析方法能够准确地衡量卫星MPMS网络中TCP业务性能的损失。
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| 关 键 词： | 卫星 标签差错 |
Analysis of the TCP Throughput with Label Error in Satellite MPLS Network |
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| ZHAI Li-jun,YAN Jian,CAO Zhi-gang.Analysis of the TCP Throughput with Label Error in Satellite MPLS Network[J].Journal of Astronautics,2010,31(8). |
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| Authors: | ZHAI Li-jun YAN Jian CAO Zhi-gang |
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| Institution: | ZHAI Li-jun,YAN Jian,CAO Zhi-gang(Department of Electronic Engineering,Tsinghua University,Beijing 100084,China) |
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| Abstract: | Satellite Multiprotocol label switching(MPLS) technique has become an important topic to seamlessly integrate with terrestrial network in the research of satellite communication system.This paper analyzes the error of MPLS label resulting from high error probability of radio link and its negative impact on the TCP/IP bearing performance of the label switching path(LSP).With the mathematical model of the generating mis-insert data segments within the on-board switching fabric,the throughput of TCP Reno sessi... |
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| Keywords: | MPLS TCP Reno |
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