“Hot” migration in IT is the process of migrating a system that is operational and active. This is in contrast to the practice of cold migration, where the migration occurs in a system that has been turned off or rendered non-operational.
Hot migration is also known as live migration.
The terms hot and cold migration are often applied to the use of virtual machines in a network virtualization system. Unlike cold migration hot migration can be done without any downtime. However, there may be additional process requirements related to doing the migration with the system running.
Synonyms
Live Migration
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