After looking at the example David sent, I have some suggestions on how we are doing the inheritance in LDAP. In the Location object for example, there is a mixture of Entity and Location Prefixes. I would propose that it would be better to have the same prefix. http://forge.ogf.org/svn/repos/glue/LDAP2/ldif/5-03-Location.ldif This could easily be done in the schema by specifying the attribute using the following. attributetype ( x.y.z. NAME ( 'LocationId' ) SUP EntityId ) However, for the ComputingServices I would prefer the names to be retained eg. ServiceId rather than ComputingServiceId. This would present and inconstancy in the way that we handle inheritance. My two questions would be does everyone agree with the above and if so how do we deal with this inconsistency? Laurence