Redundancy
From ACT Wiki
1. Risk management.
Intentional overcapacity in a system, to act as a backup in case of failures or unexpected future demand.
2.
Intentional repetition in communications or data, so that if part of a message is lost or corrupted, the communication will still be understood.
3.
Unnecessary or wasteful repetition or overcapacity.
4.
The ending of an employment at the instigation of the employer.
