No but also yes. lldap uses an rdbms as its backing data store so replicate the databases and point lldap at each one.
We had a forest of openldap trees in 2002. Openldap had a replication integrated. Slapd (its more than 20 years ago forgive me if I get things wrong).
You could use a counter or timestamps to resolf conflicts.
How do you solve conflicts?