"Operational resilience is the ability of a system to keep carrying out a critical function in the face of friction, partial failure, or adversity. Operationally fragile systems break when conditions change or parts fail, while operationally resilient systems find a way to keep going despite the altered (and typically worse) conditions they find themselves in. An intensive care unit shows operational resilience when it continues to provide exceptional levels of critical care despite budget cuts, staff turnover, and equipment failures."
"A group of satellites handling communications for a space mission shows operational resilience when it dynamically redistributes signal pathways to adjust for interference or the loss of a single satellite. In this post, we'll look at three aspects of operationally resilient systems. Capacity describes the alternatives a system can engage when its primary path is blocked. Ability describes whether a system is actually able to use these alternatives. Experience describes how much practice the system has at using these alternatives in the real world."
Operational resilience is the ability of a system to continue performing a critical function despite friction, partial failures, or adversity. Capacity is the presence of redundant and alternative paths that can be engaged when a primary path is blocked. Ability is the system's competence and authority to switch to those alternatives. Experience is the practiced use of degraded modes and routines under real-world stress. Redundant capacity without the ability or practiced experience can leave systems fragile. Building operational resilience therefore requires adding spare and alternative capacity, delegating authority and procedures to use it, and repeatedly exercising degraded operations.
Read at Psychology Today
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