>It's exactly what I meant when told about common mistake.
>If you hear ldap - it's only about authentication and probably address-book
>yet :)
>Seems you never worked with Directory. At least deep enough.
>Directory is nice for tree-based structures, hierarchical structures.
>I don't want to convince someone , or to read a lecture
>here.
>Imagine a sellers tree. A hierarchy from managers, sellers, re-sellers, and so
>on. And each level has own set of customers. And own
>set of contracts. and so on, and so force.
>Sometime the life seems to be hierarchical. Not flat, like a table.
>
>If it works for PeopleSoft, or SAP, why it could not work
>for 'open billing' ?
>Because you never worked with Directory?

Интересная идея. В целом она себя оправдывает. Я с LDAP и серверами каталогов работал, их структуру и возможности я знаю. Просто надо понять где и как их правильно применить в конкретной задаче.