Configuring Kerberos master-slave KDC with LDAP master-replica topology on AIX
http://www.ibm.com/developerworks/aix/library/au-ldap_master_replica/index.htmlIntroductionInaKerberosproductionenvironment,itisabestpracticetouseanLDAP(LightweightDirectoryAccessProtocol)directorytos