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A modeling framework for the resilience analysis of networked systems-of-systems based on functional dependencies

机译:基于功能依赖关系的网络化系统弹性分析的建模框架

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摘要

Critical infrastructures provide services that are essential for the support of everyday activities in modern societies. Being the result of a continuous process of integration of diverse technologies and organizations, they require a multi-disciplinary, systemic approach in order to be understood. In this respect, one of the most challenging issues is the analysis of infrastructures under disturbance or malfunctioning, and their ability to resist, react and recover, in a word the resilience. This paper presents a methodology of resilience analysis of systems of systems, with infrastructures as a special instance. A conceptual representation of the infrastructure, based on the functional relationships among its components, is given and then analyzed with respect to its structural and dynamic properties. Most critical and vulnerable components are identified. The response of the system to failure propagation is simulated in order to check if it is able to cope with them and recover in a resilient fashion. The analysis outcomes are used for a resilience-informed review of the infrastructure.
机译:重要的基础设施提供的服务对于支持现代社会的日常活动至关重要。作为不断发展的各种技术和组织整合的结果,它们需要多学科的系统方法才能被理解。在这方面,最具挑战性的问题之一是对受到干扰或故障的基础设施进行分析,以及它们抵抗,反应和恢复的能力,总之就是弹性。本文以基础架构为例,介绍了系统系统的弹性分析方法。根据基础架构组件之间的功能关系,对基础架构进行概念性表示,然后针对其结构和动态特性进行分析。确定了最关键和易受攻击的组件。模拟了系统对故障传播的响应,以检查系统是否能够应对故障并以弹性方式恢复。分析结果用于对基础架构进行弹性通知。

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