HP-UX Directory Server 8.1 administrator guide

The root suffix dc=example,dc=com and the ou=people and ou=groups sub suffixes are
stored on Server A. The l=europe,dc=example,dc=com and ou=groups suffixes are stored
in on Server B, and the ou=people branch of the l=europe,dc=example,dc=com suffix is
stored on Server C.
With cascading configured on servers A, B, and C, a client request targeted at the
ou=people,l=europe,dc=example,dc=com entry would be routed by the directory as
follows:
80 Configuring directory databases