6.3. OS/390
The LDAP server on OS/390 is shipped with the OS/390 Security Server and uses DB2 as its backing store. In general, the LDAP server that runs on OS/390 accepts the LDAPv2 protocol. The server, like the AIX and Windows NT LDAP implementation, supports referrals and is capable of replicating its information to other LDAP-capable servers.
There is one difference between the two implementations worth noting. Directory entry data is stored in the DB2 backing store in so-called wire format. Thus, whatever information is stored into the Directory will be returned as it was entered. However, in order to support attribute-based searching, character string data is converted to the local code page that the LDAP server is running in on the OS/390 ...
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