InfrastructureA data center has a primary network provider and a secondary provider as a backup (1+1).
EquipmentA factory has 10 industrial robots and one backup (10+1).
FacilitiesA data center is designed to have redundant power generators, uninterruptible power supplies, cooling systems and network infrastructure.
SystemsA bank website is deployed to a cloud platform. The site has a dynamic number of active instances with a running backup always ready to replace a failed instance (N+1).
ServersServers may be designed with two or three power supplies with one reserved as a cold backup.
|Overview: N+1 Redundancy|
|Definition||A technique for improving reliability by providing an independent backup of components.|
|Related Concepts||Reliability EngineeringDefensive DesignBulkheadGraceful Degradation|