diff --git a/defaults/main.yml b/defaults/main.yml
index 72c7925c..2530d312 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -230,12 +230,22 @@ ironic_pip_packages:
   - python-swiftclient
   - uwsgi
 
-## RabbitMQ info
-ironic_rabbitmq_userid: ironic
-ironic_rabbitmq_vhost: /ironic
-ironic_rabbitmq_servers: 127.0.0.1
-ironic_rabbitmq_use_ssl: False
-ironic_rabbitmq_port: 5672
+## Oslo Messaging Info
+# RPC
+ironic_oslomsg_rpc_transport: rabbit
+ironic_oslomsg_rpc_servers: 127.0.0.1
+ironic_oslomsg_rpc_port: 5672
+ironic_oslomsg_rpc_use_ssl: False
+ironic_oslomsg_rpc_userid: ironic
+ironic_oslomsg_rpc_vhost: /ironic
+
+# Notify
+ironic_oslomsg_notify_transport: rabbit
+ironic_oslomsg_notify_servers: 127.0.0.1
+ironic_oslomsg_notify_port: 5672
+ironic_oslomsg_notify_use_ssl: False
+ironic_oslomsg_notify_userid: ironic
+ironic_oslomsg_notify_vhost: /ironic
 
 # Auth
 ironic_service_user_name: "ironic"
diff --git a/releasenotes/notes/oslo-messaging-separate-backends-3b2dac9462595b31.yaml b/releasenotes/notes/oslo-messaging-separate-backends-3b2dac9462595b31.yaml
new file mode 100644
index 00000000..a5f2c43c
--- /dev/null
+++ b/releasenotes/notes/oslo-messaging-separate-backends-3b2dac9462595b31.yaml
@@ -0,0 +1,14 @@
+---
+features:
+  - Support separate oslo.messaging services for RPC and Notifications
+    to enable operation of separate and different messaging backend servers.
+deprecations:
+  - |
+    The rabbitmq server parameters have been replaced by corresponding
+    oslo.messaging RPC and Notify parameters in order to abstract the
+    messaging service from the actual backend server deployment.
+    - ironic_oslomsg_rpc_servers replaces ironic_rabbitmq_servers
+    - ironic_oslomsg_rpc_port replaces ironic_rabbitmq_port
+    - ironic_oslomsg_rpc_use_ssl replaces ironic_rabbitmq_use_ssl
+    - ironic_oslomsg_rpc_userid replaces ironic_rabbitmq_userid
+    - ironic_oslomsg_rpc_vhost replaces ironic_rabbitmq_vhost
diff --git a/templates/ironic.conf.j2 b/templates/ironic.conf.j2
index ac984d50..1531c095 100644
--- a/templates/ironic.conf.j2
+++ b/templates/ironic.conf.j2
@@ -13,6 +13,9 @@ memcached_servers = {{ memcached_servers }}
 enabled_network_interfaces = {{ ironic_enabled_network_interfaces_list }}
 default_network_interface = {{ ironic_default_network_interface }}
 
+## RPC Backend
+transport_url = {{ ironic_oslomsg_rpc_transport }}://{% for host in ironic_oslomsg_rpc_servers.split(',') %}{{ ironic_oslomsg_rpc_userid }}:{{ ironic_oslomsg_rpc_password }}@{{ host }}:{{ ironic_oslomsg_rpc_port }}{% if not loop.last %},{% else %}/{{ ironic_oslomsg_rpc_vhost }}{% if ironic_oslomsg_rpc_use_ssl | bool %}?ssl=1{% else %}?ssl=0{% endif %}{% endif %}{% endfor %}
+
 [agent]
 
 [amt]
@@ -139,14 +142,9 @@ lock_path = {{ ironic_lock_path }}
 [oslo_messaging_amqp]
 
 [oslo_messaging_notifications]
+transport_url = {{ ironic_oslomsg_notify_transport }}://{% for host in ironic_oslomsg_notify_servers.split(',') %}{{ ironic_oslomsg_notify_userid }}:{{ ironic_oslomsg_notify_password }}@{{ host }}:{{ ironic_oslomsg_notify_port }}{% if not loop.last %},{% else %}/{{ ironic_oslomsg_notify_vhost }}{% if ironic_oslomsg_notify_use_ssl | bool %}?ssl=1{% else %}?ssl=0{% endif %}{% endif %}{% endfor %}
 
 [oslo_messaging_rabbit]
-rabbit_port = {{ ironic_rabbitmq_port }}
-rabbit_userid = {{ ironic_rabbitmq_userid }}
-rabbit_password = {{ ironic_rabbitmq_password }}
-rabbit_virtual_host = {{ ironic_rabbitmq_vhost }}
-rabbit_hosts = {{ ironic_rabbitmq_servers }}
-ssl = {{ ironic_rabbitmq_use_ssl }}
 pool_max_size = {{ ironic_wsgi_processes }}
 
 
diff --git a/tests/inventory b/tests/inventory
index a4dfa67a..7e51aaab 100644
--- a/tests/inventory
+++ b/tests/inventory
@@ -11,6 +11,12 @@ openstack1
 swift-storage1
 ironic1
 
+[oslomsg_rpc_all]
+infra1
+
+[oslomsg_notify_all]
+infra1
+
 [rabbitmq_all]
 infra1