From https://ldapcon.org/2017/ :

LDAPCon 2017 Welcome to LDAPCON 2017 edition!

We all waited for this news: the 6th Conference on LDAP, Directory Services and Identity Management will take place in Brussels, Belgium, on October 19th and 20th, 2017 🙂

Bienvenue en Belgique! Country of fries, chocolate, waffles and beer, of course 😉

This year, the event will be organized by Benoit and Paola from Opensides, the Belgian specialist of OpenLDAP.

The Call for Papers has been posted on the conference website, and the submission deadline is May 28.