Hot Migration

What Does Hot Migration Mean?

“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.

Techopedia Explains Hot 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.


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Margaret Rouse

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.