1. A type of data migration in which the data is moved over to the PIM system one region, department, or channel at a time.
2. The process of moving data over to a PIM system one region, department, or channel at a time.
Incremental migration is typically applied to the website first, and then introduced to other business outlets. This is less risky than moving all the data over at once, such as in big bang migration, as the users have a chance to learn about any issues that might arise and work to prevent them. On the other hand, incremental migration is less efficient and more costly since two systems must be maintained at once during the transfer. Because there is less immediacy to the data issues, problems might linger.
Big Bang Migration, Data Migration, Parallel Migration