proxying read/write request to secounday ldap server

Hi.. guys

We have primary ldap called ,ldap.example.com , In that server we have following structure

ou=users,ou=ldap,ou=example,ou=com ou=applications,ou=ldap,ou=example,ou=com

basically we need redirect any read/write request that coming to the server ldap.example.com 's *"ou=applications,ou=ldap,ou=example,ou=com*" to our second ldap server called ldap2.example.com ,

and also all the Read/Write request that comes to * ou=users,ou=ldap,ou=example,ou=com* OU should be served from our primary ldap server ,

is there any way to achieve that , Please advice

Thank You John