A survey of task deployment and recovery in space-air-ground integrated networks based on SDN and NFV

CAO Yilu; JIA Ziye; YOU Jiahao; ZHANG Lei; WU Qihui

doi:10.11959/j.issn.1000-0801.2025138

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A survey of task deployment and recovery in space-air-ground integrated networks based on SDN and NFV

Topic: Satellite-ground integrated mobile communication and satellite Internet | 更新时间：2025-06-03

- A survey of task deployment and recovery in space-air-ground integrated networks based on SDN and NFV
- Telecommunications Science Vol. 41, Issue 5, Pages: 1-16(2025)
- 作者机构：
  
  南京航空航天大学，江苏南京 211106
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(62301251);The Aeronautical Science Foundation of China(2023Z071052007)
- DOI：10.11959/j.issn.1000-0801.2025138
  CLC： TN92
- Received：25 February 2025，
  
  Revised：2025-04-16，
  
  Published：20 May 2025
- 稿件说明：
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曹怡璐,贾子晔,尤嘉豪等.基于SDN和NFV的空天地一体化网络任务部署与恢复综述[J].电信科学,2025,41(05):1-16.

CAO Yilu,JIA Ziye,YOU Jiahao,et al.A survey of task deployment and recovery in space-air-ground integrated networks based on SDN and NFV[J].Telecommunications Science,2025,41(05):1-16.
曹怡璐,贾子晔,尤嘉豪等.基于SDN和NFV的空天地一体化网络任务部署与恢复综述[J].电信科学,2025,41(05):1-16. DOI： 10.11959/j.issn.1000-0801.2025138.

CAO Yilu,JIA Ziye,YOU Jiahao,et al.A survey of task deployment and recovery in space-air-ground integrated networks based on SDN and NFV[J].Telecommunications Science,2025,41(05):1-16. DOI： 10.11959/j.issn.1000-0801.2025138.

摘要

空天地一体化网络作为6G技术的关键组成，在整合天基、空基和地基网络时，面临节点异构性、业务多样性等挑战，进而引发资源分配、竞争及故障风险等问题。基于此，聚焦基于软件定义网络（software defined network，SDN）与网络功能虚拟化（network functions virtualization，NFV）的空天地一体化网络任务部署与恢复，首先阐述了空天地一体化网络系统架构，介绍了各层网络构成、SDN和NFV原理及其相关应用，然后，针对上述挑战，以服务功能链技术为抓手，提出了面向任务的服务功能链优化部署、利用智能算法实现动态调度、通过匹配博弈算法完成失效恢复等策略，最后，构建了一个用例，设定节点部署、服务功能链建模等，验证了所提策略在提升服务功能链完成效率以及应对资源故障方面的有效性，旨在为空天地一体化网络资源管理提供理论基础。

Abstract

The space-air-ground integrated network

as a key technology in 6G

faces challenges such as node heterogeneity and service diversity when integrating the space-based

air-based

and ground-based networks. These challenges subsequently lead to issues such as the resource allocation

competition

and failure risks. Based on this

the task deployment and recovery of the space-air-ground integrated network focusing on software defined network (SDN) and network functions virtualization (NFV) were addressed. Firstly

the space-air-ground integrated network system architecture was elaborated

introducing the composition of each layer of the network

the principles of SDN and NFV

as well as their related applications. Subsequently

in response to the above-mentioned challenges

based on the service function chain technology

corresponding strategies including the task-oriented service function chain optimized deployment

dynamic scheduling achieved through intelligent algorithms

and failure recovery accomplished via a matching game algorithm were proposed. Finally

a use case was constructed

setting node deployment and service function chain modeling. The effectiveness of the proposed strategies in improving the completion efficiency of service function chains and dealing with resource failures was verified

providing a theoretical basis for the resource allocation for the space-air-ground integrated network.

关键词

Keywords

references

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