Switchovernoun
A complete change or switch from one state, system or course of action to another.
Switchover
Switchover is the manual switch from one system to a redundant or standby computer server, system, or network upon the failure or abnormal termination of the previously active server, system, or network, or to perform system maintenance, such as installing patches, and upgrading software or hardware.Automatic switchover of a redundant system on an error condition, without human intervention, is called failover. Manual switchover on error would be used if automatic failover is not available, possibly because the overall system is too complex.
Changeovernoun
A conversion or transition from one thing to another
Changeovernoun
an event that results in a transformation.
Changeovernoun
an event that results in a transformation
Changeover
In manufacturing, changeover is the process of converting a line or machine from running one product to another. Changeover times can last from a few minutes to as much as several weeks in the case of automobile manufacturers retooling for new models.