"Canonical replied to my inquiry last night. According
to Nick Barcet, Canonical's Ubuntu Server product manager:
""OpenLDAP is our LDAP implementation of choice in Ubuntu Server
Edition. Around it we are putting together the base configuration
and tools that we need to offer a better "out of the box"
experience. In 8.10 we implemented a method for schema update to be
automatically replicated to multiple OpenLDAP instances in the
network. 9.04 should implement the basis of certificate management
as well as a saner default DIT."
"Ubuntu 9.04, code-named Jaunty Jackalope, is scheduled to debut
April 23. Here's a first look at the operating system."