OpenLDAP - schema spec
http://www.openldap.org/doc/admin23/schema.html
ApacheDS
http://directory.apache.org/apacheds/1.5/index.html
Novell
http://developer.novell.com/documentation/samplecode/jldap_sample/index.htm
规范这里有
http://wiki.ccw.com.cn/LDAP