What does active redundancy mean?

active redundancy meaning in Business Dictionary

an ongoing process of monitoring performance throughout a definite system to get rid of the possibility for a decline in service or quality. As an example, energetic redundancy can be used to continuously monitor location within an international positioning system. Additionally, it is regularly monitor the amount of power that flows through residence circuitry, triggering an overload at the circuit breaker to avoid electrical shock and destroyed wiring.