chapter  6
Hierarchical Architectures of Resilient Control Systems: Concepts, Metrics, and Design Principles
ByQuanyan Zhu, Dong Wei, Kun Ji
Pages 32

Critical infrastructure refers to those systems and assets that are essential for the functioning of a society and economy. The incapacity or destruction of

a debilitating impact on security, economic security, national public health or safety, or any combination of those matters. Resilience is a desirable property of critical infrastructure. As it is mentioned in [6],

resilience has become an important dimension of the critical infrastructure protection mission, and a key element of the value proposition for partnership with the government because it recognizes both the need for security and the reliability of business operations.