System redundancy in self-driving cars

As the technologies enabling the rollout of autonomous self-driving vehicles mature en route to Level 5 (as defined in the SAE’s J3016 standard) fully automated self-driving, redundant fail-safe and fail-operational systems are going to be crucial in ensuring the safety of all road users.

https://electronics360.globalspec.com/article/17200/system-redundancy-in-self-driving-cars