Multidimensional approach to complex system resilience analysis

• We analyzed two of the main current metrics of resilience.
• We create a new model that relates events with the effects they have.
• We develop a novel heat map visualization to compare system resilience.
• We showed the model and visualization usefulness in a simulated case.

Recent works have attempted to formally define a general metric for quantifying resilience for complex systems as a relationship of performance of the systems against time. The technical content in the proposed work introduces a new model that allows, for the first time, to compare the system resilience among systems (or different modifications to a system), by introducing a new dimension to system resilience models, called stress, to mimic the definition of resilience in material science. The applicability and usefulness of the model is shown with a new heat map visualization proposed in this work, and it is applied to a simulated network resilience case to exemplify its potential benefits.

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