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引用次数: 0
摘要
单次事件失效(SEU)指的是单个高能粒子穿过半导体元件的敏感区域导致数字电路状态发生变化。在太空环境中,宇宙射线和高能粒子可能会导致 SEU,从而导致卫星网络的路由功能失效,如转发错误。本文主要从分布式路由的角度探讨 SEU 对卫星网络的影响。SEU 对单个卫星的影响很容易通过分布式路由扩散到整个卫星网络,从而影响卫星网络的可靠性。我们提出了 SEUs 影响下卫星网络可靠性分析框架。根据 SEU 在不同路由阶段对路由程序执行的影响,我们提出了卫星网络的错误传播模型,用于理解卫星网络路由中的 SEU。我们发现,所有对程序执行的影响最终都会汇聚到数据转发上,并可反映在所提出的路径拓扑图中。因此,我们提出了一种算法,可以通过分析正常情况和 SEU 情况下的路径拓扑图来评估 SEU 对卫星网络的影响。实验证明了所提方法的可行性和有效性。所提方法可为安全路由机制和程序/指令强化研究提供新的视角和理论基础。
A method for analyzing the impact of SEUs on satellite networks from the perspective of distributed routing
Single event upset (SEU) refers to the change in the state of a digital circuit caused by a single, energetic particle passing through the sensitive area of semiconductor components. In the space environment, cosmic rays and high-energy particles may lead to SEUs, which can cause failures of routing functions, such as forwarding errors, in satellite networks. This paper focuses on the impact of SEUs on satellite networks from the perspective of distributed routing. The influence of SEUs on a single satellite can easily spread to the entire satellite network through distributed routing, which can influence the reliability of the satellite network. We propose a framework for the reliability analysis of satellite networks under the impact of SEUs. According to the influence of SEUs on the execution of routing programs in different routing phases, we present the error propagation model of satellite networks for understanding SEUs in satellite network routing. We found that all the influences on program execution ultimately converge on data forwarding and can be reflected in the proposed path topology graph. Therefore, we propose an algorithm that can evaluate the impact of SEUs on satellite networks by analyzing the path topology graphs in both normal and SEU scenarios. The feasibility and effectiveness of the proposed method is demonstrated by experiments. The proposed method could provide a new perspective and theoretical basis for research on secure routing mechanisms and program/instruction reinforcement.
期刊介绍:
The Ad Hoc Networks is an international and archival journal providing a publication vehicle for complete coverage of all topics of interest to those involved in ad hoc and sensor networking areas. The Ad Hoc Networks considers original, high quality and unpublished contributions addressing all aspects of ad hoc and sensor networks. Specific areas of interest include, but are not limited to:
Mobile and Wireless Ad Hoc Networks
Sensor Networks
Wireless Local and Personal Area Networks
Home Networks
Ad Hoc Networks of Autonomous Intelligent Systems
Novel Architectures for Ad Hoc and Sensor Networks
Self-organizing Network Architectures and Protocols
Transport Layer Protocols
Routing protocols (unicast, multicast, geocast, etc.)
Media Access Control Techniques
Error Control Schemes
Power-Aware, Low-Power and Energy-Efficient Designs
Synchronization and Scheduling Issues
Mobility Management
Mobility-Tolerant Communication Protocols
Location Tracking and Location-based Services
Resource and Information Management
Security and Fault-Tolerance Issues
Hardware and Software Platforms, Systems, and Testbeds
Experimental and Prototype Results
Quality-of-Service Issues
Cross-Layer Interactions
Scalability Issues
Performance Analysis and Simulation of Protocols.