Exploring anomaly detection in systems of systems

T. Zoppi, A. Ceccarelli, A. Bondavalli
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引用次数: 9

Abstract

The loosely coupled interoperability of heterogeneous existing systems, together with the ongoing replacement of monolithic systems design with Off-The-Shelf (OTS) approaches, promotes a new architectural paradigm that is called System of Systems (SoS). In SoSs, independent and autonomous constituent systems (CSs) cooperate to achieve higher-level goals. Some inherent challenges are that boundaries of the SoS may be partially unknown and the components may be governed by different authorities, affecting the ability to observe the system as a whole. Further, novel challenges related to dependability and security are introduced, such as the detection of emerging and possibly unexpected behaviors resulting from the interconnection of previous disconnected CSs. In this paper we explore these challenges questioning if a novel mindset to error, malware or intrusion detection is needed when dealing with SoSs. With the support of a state of the art review, we first identify the design principles and the performance targets of a monitoring and anomaly detection framework. Then we discuss these principles at the light of SoS fundamentals. Ultimately, we propose an approach to design a monitoring and anomaly detection framework for SoSs aggregating i) monitoring approaches ii) SoS properties, and iii) anomaly detection techniques.
探索系统的系统中的异常检测
异构现有系统的松散耦合互操作性,以及用现成(Off-The-Shelf, OTS)方法不断替代单片系统设计,促进了一种新的体系结构范例,称为系统的系统(System of systems, SoS)。在社会责任系统中,独立和自治的组成系统(CSs)相互协作以实现更高层次的目标。一些固有的挑战是,SoS的边界可能部分未知,组件可能由不同的权威管理,从而影响观察整个系统的能力。此外,引入了与可靠性和安全性相关的新挑战,例如检测由于先前断开的CSs互连而产生的新行为和可能的意外行为。在本文中,我们探讨了这些挑战,质疑在处理sos时是否需要一种新的错误,恶意软件或入侵检测的心态。在最新技术综述的支持下,我们首先确定了监视和异常检测框架的设计原则和性能目标。然后我们根据SoS的基本原理来讨论这些原则。最后,我们提出了一种方法来设计一个监测和异常检测框架,用于聚合i)监测方法ii) SoS属性和iii)异常检测技术。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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