When you assign a SITE in the destination hierarchy to own the content, you are selecting the site that maintains that content in the destination hierarchy. Because the site that owns the content is responsible for monitoring the source files for changes, PLAN to specify a site that is NEAR to the source file location on the network.

When you migrate content between a source and destination hierarchy, you are really migrating the METADATA about that content. The content itself might remain hosted on a SHARED distribution point during migration, or on a distribution point that you will upgrade or reassign to the destination hierarchy.

When you assign a site in the destination hierarchy to own the content, you are selecting the site that maintains that content in the destination hierarchy. Because the site that owns the content is responsible for monitoring the source files for changes, plan to specify a site that is near to the source file location on the network.

When you migrate content between a source and destination hierarchy, you are really migrating the metadata about that content. The content itself might remain hosted on a shared distribution point during migration, or on a distribution point that you will upgrade or reassign to the destination hierarchy.