LDAPv3: Referrals
LDAPv2
- Every server required to process any query
- Based on initial use of LDAP as lightweight access to X.500
LDAPv3
- Server may process query itself, or return a referral
- Referral: set of URLs of other servers to contact
- Multiple URLs can be included, in case servers are inaccessible
- Servers can also rewrite queries for clients
- Referral processing is done inside client library and can be transparent to applications