Hi Simo, I think this is not true, because part of IPA web UI is IPA JSON API also - and there is problem with loadbalancing, as you can see there https://www.redhat.com/archives/freeipa-users/2016-October/msg00223.html.
David -- Manage your subscription for the Freeipa-users mailing list: https://www.redhat.com/mailman/listinfo/freeipa-users Go to http://freeipa.org for more info on the project