Adrian Hornsby Adrian Hornsby

What is Resilience Engineering?

Resilience Engineering goes beyond traditional reliability by focusing not just on preventing failures, but on successfully adapting to them when they occur. With applications across software development, healthcare, aviation, and more, this 20-year-old discipline transforms how organizations approach risk and recovery.

Unlike conventional approaches that aim for perfect reliability, Resilience Engineering acknowledges that we cannot predict every possible failure. Instead, it builds "adaptive capacity" - the ability for socio-technical systems (both technology and people) to respond effectively to the unexpected. This means designing systems with appropriate redundancy, creating comprehensive observability, conducting thorough post-incident reviews, and fostering a culture where reporting problems is valued.

Organizations on the resilience journey typically progress from stability (preventing failures) to robustness (handling known failures) to basic resilience (preparing for surprises) and finally to advanced resilience (treating adversities as opportunities). The ultimate goal isn't to eliminate all failures but to recover quickly and continuously improve.

As our dependency on digital systems grows and their complexity increases, Resilience Engineering offers a crucial path forward. Learn how to build systems that don't just survive but thrive amid uncertainty and change.

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