migration - technical definition

(1) A change from one hardware or software technology to another. Migration is a way of life in the computer industry. For example, once known only to those in the glass-enclosed datacenter, users today understand the meaning of migrating from one operating system to another.

(2) Moving data from one storage system to another (data migration). See HSM.

(3) Moving data and applications from one computer to another. See PC migration.