天地一体化信息网络中无状态地址自动配置与重复地址检测机制研究

doi:10.11959/j.issn.2096-8930.2021017

天地一体化信息网络 ›› 2021, Vol. 2 ›› Issue (2): 28-34.doi: 10.11959/j.issn.2096-8930.2021017

所属专题：专题：空间组网与交换技术

• 专题：空间组网与交换技术 • 上一篇下一篇

天地一体化信息网络中无状态地址自动配置与重复地址检测机制研究

陈雅正, 李贺武

清华大学网络科学与网络空间研究院，北京 100084

修回日期:2021-04-01 出版日期:2021-06-20 发布日期:2021-06-01
作者简介:陈雅正（1997-），男，清华大学硕士生，主要研究方向为天地一体化信息网络、网络体系结构
李贺武（1974-），男，博士，清华大学副研究员，主要研究方向为无线移动网络、天地一体化信息网络

Research on Stateless Address Auto-Confi guration and Duplicate Address Detection in Space-Integrated-Ground Information Network

Yazheng CHEN, Hewu LI

Institute for Network Sciences and Cyberspace, Tsinghua University, Beijing 100084, China

Revised:2021-04-01 Online:2021-06-20 Published:2021-06-01

摘要/Abstract

摘要：

天地一体化信息网络中具有高度动态性的低轨卫星导致地面用户设备在低轨卫星之间不断切换，使得低轨卫星接入用户所获取的IP地址不断改变，难以稳定。对天地一体化信息网络中无状态地址自动配置进行研究，针对低轨卫星星座中地面设备不断切换低轨卫星的场景，提出一种IPv6无状态地址自动配置与重复地址检测机制，通过引入地面位置信息和卫星轨道信息缩小重复地址检测的范围，从而有效降低重复地址检测的信令开销。

关键词: 天地一体化信息网络, IPv6, 无状态地址配置, 重复地址检测

Abstract:

LEO (Low Earth Orbit) satellites with high mobility in space-integrated-ground information network cause ground user terminals change connected satellites continuously, so user terminals can't keep stable IPv6 addresses.SLAAC (Stateless Address Auto-Confi guration) in space-integrated-ground information network to provide stable IPv6 addresses was investigated, and an eff ective SLAAC and DAD (Duplicate Address Detection) mechanism was proposed.Aiming at the scenario where the ground equipment in the LEO satellite constellation constantly switches the LEO satellites, an IPv6 stateless address automatic confi guration and duplicate address detection mechanism was proposed.The scope of duplicate address detection was reduced by introducing ground position information and satellite orbit information, thereby eff ectively reduced signaling overhead for duplicate address detection.

Key words: space-integrated-ground information network, IPv6, SLAAC, DAD

中图分类号:

TP393.4

陈雅正, 李贺武. 天地一体化信息网络中无状态地址自动配置与重复地址检测机制研究[J]. 天地一体化信息网络, 2021, 2(2): 28-34.

Yazheng CHEN, Hewu LI. Research on Stateless Address Auto-Confi guration and Duplicate Address Detection in Space-Integrated-Ground Information Network[J]. Space-Integrated-Ground Information Networks, 2021, 2(2): 28-34.

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Nbit/s	Mbit/s	Lbit/s	128-N-M-L bit/s
global routing prefix	location	orbit ID	interface ID

天地一体化信息网络中无状态地址自动配置与重复地址检测机制研究

Research on Stateless Address Auto-Confi guration and Duplicate Address Detection in Space-Integrated-Ground Information Network

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