Space Network Emulation System Based on User-Space Network Stack NOS

作     者：LEI Jianzhe ZHAO Kanglian HOU Dongxu ZHOU Fenlin 

作者机构：Nanjing University ZTE Corporation 

出 版 物：《ZTE Communications》 (中兴通讯技术(英文版))

年 卷 期：2025年

学科分类：08[工学] 080203[工学-机械设计及理论] 080402[工学-测试计量技术及仪器] 0804[工学-仪器科学与技术] 0802[工学-机械工程] 

主　　题：network emulation space network user-space network stack network function virtualization 

摘      要：This paper presents a space network emulation system based on a user-space network stack NOS(network operating system) to solve space networks’ unique architecture and routing challenges and kernel stacks’ inefficiency and development complexity. Our low Earth orbit satellite scenario emulation verifies the dynamic routing function of the protocol stack. The proposed system uses technologies like Open vSwitch (OVS) and traffic control (TC) to emulate the space network’s highly dynamic topology and time-varying link characteristics. The emulation results demonstrate the system’s high reliability， and the user-space network stack reduces development complexity and debugging difficulty， providing convenience for the development of space network protocols and network functions.