XI/PI Tracks
You use an XI/PI track (Exchange Infrastructure track) to transport design objects from various Integration Repositories or configuration objects from various Integration Directories.
The following development states exist for the development of XI objects:
● Development
● Consolidation
● Production
An Integration Repository or an Integration Directory exists for each of these states; each repository or directory runs on a separate J2EE instance.

The following figure shows an XI/PI track as a schema:

For more information about distributing XI/PI content,
see SAP Note
1287108 and
Transporting Using the
Change Management Service.