区块链辅助航天数据分发的可行性分析及方案设计

Feasibility analysis and scheme design of blockchain assisted aerospace data distribution

为了快速准确、安全可信地分发海量航天数据,基于区块链技术的可溯源和不可篡改等特性,提出了一种新的航天数据分发方案。首先,在总结传统航天数据分发服务不足的基础上,分析了区块链技术在航天数据分发领域的优势以及应用过程中可能遇到的重点问题,并给出了可能的解决方法;其次,从技术架构、节点部署、模块划分3个角度设计了基于区块链的航天数据分发方案;最后,搭建了Fabric区块链网络,并模拟航天数据文件,通过仿真试验测试了接入区块链对航天数据分发系统的性能影响。研究结果表明,接入区块链的系统可准确校验篡改后的文件,且对原航天数据分发系统的资源视图同步时间影响较小。基于区块链技术的航天数据分发设计方案,可为构建安全高效、可信可控的航天数据分发服务体系提供参考,推动航天数据应用领域快速发展。

In order to distribute massive aerospace data quickly,accurately,safely and reliably,a new aerospace distribution scheme was proposed based on the traceability and immutability of the blockchain technology.Firstly,on the basis of summarizing the shortcomings of traditional aerospace data distribution services,the advantages of blockchain technology in the field of aerospace data distribution and the key problems that may be encountered in the application process were analyzed,and the solutions were given.Secondly,a blockchain-based aerospace data distribution scheme was designed from the perspectives of technical architecture,node deployment and module division.Finally,a Fabric blockchain network was built and aerospace data files were simulated to test the impact of accessing the blockchain on the performance of the aerospace data distribution system.The research results show that the system connected to the blockchain can accurately verify the tampered files,and has little effect on the synchronization time of the resource view of the original aerospace data distribution system.The scheme of aerospace data distribution based on blockchain technology can provide reference for building a safe,efficient,reliable and controllable aerospace data distribution service system and promote a rapid development of aerospace data application.