Regional Infrastructures as Complex Systems of Systems: Shared-State Model for Regional Resilience
Publication: Journal of Infrastructure Systems
Volume 24, Issue 3
Abstract
Present modeling and risk management for resilience of interdependent and interconnected (I-I) physical and cyber-physical infrastructure systems of systems (SoS) often rely on the same risk functions, models, and algorithms used for single systems. This paper introduces an alternative methodology to model, manage, and prioritize safety critical infrastructure systems as complex systems of systems (complex SoS) for resilience planning and operation. The modeling methodology traces all critical I-I in terms of shared/common states (variables), decisions, decision makers, stakeholders, resources, time frame, and organizational setups. A prerequisite for modeling and managing complex SoS is an understanding of the mutual influence resulting from two or more subsystems that share states and other essential entities. Additionally, a novel implementation of fault trees is introduced to prioritize risk without the common need for or knowledge of the associated reliabilities.
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Acknowledgments
The Homeland Security Act of 2002 (Section 305 of PL 107-296, as codified in 6 U.S.C. 185), herein referred to as the “Act,” authorizes the Secretary of the Department of Homeland Security (DHS), acting through the Under Secretary for Science and Technology, to establish one or more federally funded research and development centers (FFRDCs) to provide independent analysis of homeland security issues. MITRE Corporation operates the Homeland Security Systems Engineering and Development Institute (HSSEDI) as an FFRDC for DHS under contract HSHQDC-14-D-00006. The HSSEDI FFRDC′s research is undertaken by mutual consent with DHS and is organized as a set of discrete tasks. The results presented in this report do not necessarily reflect official DHS opinion or policy. This work was completed under the DHS SEDI CORE research: contract HSHQDC-15-J-00277: S&T Core Regional Resilience, Task order: 43151201-2A.
Disclaimer
This technical data was produced for the US Government under Contract Number HSHQDC-14-D-00006, and is subject to Federal Acquisition Regulation Clause 52.227-14, Rights in Data—General, (Deviation 2014). No other use other than that granted to the US Government, or to those acting on behalf of the US Government under that Clause is authorized without the express written permission of The MITRE Corporation. For further information, please contact The MITRE Corporation, Contracts Management Office, 7515 Colshire Drive, McLean, VA 22102-7539, (703) 983-6000.
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Information & Authors
Information
Published In
Journal of Infrastructure Systems
Volume 24 • Issue 3 • September 2018
Copyright
©2018 American Society of Civil Engineers.
History
Received: Mar 2, 2017
Accepted: Dec 12, 2017
Published online: May 31, 2018
Published in print: Sep 1, 2018
Discussion open until: Oct 31, 2018
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