天空地融合网络架构与传输优化技术

doi:10.11959/j.issn.2096-8930.2023020

天地一体化信息网络 ›› 2023, Vol. 4 ›› Issue (2): 62-70.doi: 10.11959/j.issn.2096-8930.2023020

天空地融合网络架构与传输优化技术

黄思奇¹, 曾德泽¹, 李跃鹏¹, 张梁钰¹, 高丰²

¹ 中国地质大学（武汉）计算机学院，湖北武汉430074
² 之江实验室网络物理社会系统研究中心，浙江杭州 311121

修回日期:2023-05-30 出版日期:2023-06-20 发布日期:2023-06-01
作者简介:黄思奇（1999- ），男，中国地质大学（武汉）硕士生，主要研究方向为边缘计算、云原生技术等
曾德泽（1984- ），男，中国地质大学（武汉）教授、博士生导师，主要研究方向为边缘计算、未来网络技术、物联网等
李跃鹏（1994- ），男，中国地质大学（武汉）博士生，主要研究方向为边缘计算、任务调度、可信执行环境等
张梁钰（1999- ），男，中国地质大学（武汉）硕士生，主要研究方向为边缘计算、云原生技术等
高丰（1974- ），男，之江实验室研究员，主要研究方法为边缘计算、云计算、泛在操作系统等

Space-Air-Ground Integrated Network Architecture and Transmission Optimization Technology

Siqi HUANG¹, Deze ZENG¹, Yuepeng LI¹, Liangyu ZHANG¹, Feng GAO²

¹ School of Computer Science, China University of Geosciences, Wuhan 430074, China
² Research Center for Cyber-Physical-Social System, Zhejiang Lab, Hangzhou 311121, China

Revised:2023-05-30 Online:2023-06-20 Published:2023-06-01

摘要/Abstract

摘要：

随着应用需求的不断扩大，如何在天空地一体化的异构组网环境下提供高效的组网服务成为新的难题。通过对未来天空地一体化网络的应用场景和技术需求分析，提出一种基于软件定义网络的天空地融合网络架构，以满足快速响应、协同处理等要求，同时简要阐述其主要组成部分和传输优化技术。总结基于软件定义的天空地融合网络架构的发展趋势与挑战，并进行展望，为未来天空地一体化网络的发展提供参考。

关键词: 天空地融合网络, 网络架构, 软件定义网络

Abstract:

With the continuous expansion of application requirements, how to provide efficient networking services in a heterogeneous networking environment integrating space, space and ground have become a new problem.Through the analysis of the application scenarios and technical requirements of the future space-air-ground integrated network, a space-air-ground integrated network architecture based on a software-defined network was proposed to met the requirements of rapid response and collaborative processing.At the same time, it briefly expounded on its main components and transmission optimization technology.Then, the development trends and challenges of the software-defined space-air-ground integrated network architecture were summarized and prospected, which provided a reference for the future development of an space-air-ground integrated network.

Key words: space-air-ground integrated network, network architecture, software-defined network

中图分类号:

TN92

黄思奇, 曾德泽, 李跃鹏, 张梁钰, 高丰. 天空地融合网络架构与传输优化技术[J]. 天地一体化信息网络, 2023, 4(2): 62-70.

Siqi HUANG, Deze ZENG, Yuepeng LI, Liangyu ZHANG, Feng GAO. Space-Air-Ground Integrated Network Architecture and Transmission Optimization Technology[J]. Space-Integrated-Ground Information Networks, 2023, 4(2): 62-70.

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约束条件	误码率	通信状态	RTT	上下行链路带宽比	链路丢包原因	通信硬件性能	数据传输性能
近地通信	小于10^-10	无间断	毫秒级	1:1	数据拥塞	高性能	吞吐量大，高可靠
卫星通信	10^-8～10^-4	间断	时延长	10:1到1000:1	多方面	低性能	最大的链路利用率
提升方案	对链路丢包响应；SNACK；包头压缩	允许数据间断传输	新窗口调整方案和定时器	控制速率；压缩；减少确认平均率	对不同数据缺失方式提供SCMP信号	提前对数据处理；设置记录临界值	新的窗口控制算法；丢包较多时使用SNACK

天空地融合网络架构与传输优化技术

Space-Air-Ground Integrated Network Architecture and Transmission Optimization Technology

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