Instead of requiring LDAP. Lots and Lots of SMBs have sametime already installed using Domino, not LDAP.
Currently, Quickr can only access one LDAP directory for authentication. If you want (or need) to provide access from multiple LDAP directories this isn't possible. For example, you have a Domino LDAP directory and an Active Directory structure, you are forced to use native Domino directory w/ directory assistance for ...
In as few a words as possible - Quickr Services for Portal supports eDirectory as an LDAP server, Quickr services for Domino doesn't. Same applies to Sametime - the ST Gateway supports eDirectory, but the Community server doesn't.
I'm assuming here that other people asides from my company use eDirectory? ...