Space Environment Data Transfer System Based on BBR Congestion Control Algorithm
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摘要: 空间环境监测网需要通过广域网将海量空间环境数据从地面监测台站传输到数据中心.本文研究了TCP拥塞控制机制，采用BBR拥塞控制算法解决数据传输存在的问题.针对空间环境数据传输需求，设计了空间环境数据传输的工作流模型，建立了空间环境数据传输系统.实验证明该系统适于进行广域网链路上的空间环境数据传输.Abstract: Space environment data transfer system needs to transfer massive space environment data from the ground monitoring station to the data center through Wide-Area Network (WAN). High loss rate and large delay of WAN influence the normal operation of the space environment data transfer system. In this paper, TCP congestion control mechanism is studied and the BBR congestion control algorithm is used to solve the problems of space environment data transmission. Aiming at the requirements of space environment data transmission, a workflow model of space environment data transfer is designed using Petri-net, and a space environment data transfer system based on BBR congestion control algorithm is established. Finally, it is proved by the experiments that the system is applicable to space environment data transfer on WAN.
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Key words:
- Space environment /
- Data transfer /
- TCP /
- Congestion control /
- BBR
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