diff --git a/defaults/main.yml b/defaults/main.yml
index 8cfa86c1..a9153184 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -106,23 +106,24 @@ keystone_database_min_pool_size: 5
 keystone_database_max_pool_size: 120
 keystone_database_pool_timeout: 30
 
-## RabbitMQ info
-
-## Configuration for RPC communications
+## Oslo Messaging
 keystone_messaging_enabled: true
-keystone_rabbitmq_port: 5671
-keystone_rabbitmq_userid: keystone
-keystone_rabbitmq_vhost: /keystone
-keystone_rabbitmq_servers: localhost
-keystone_rabbitmq_use_ssl: false
 
-## Configuration for notifications communication, i.e. [oslo_messaging_notifications]
-keystone_rabbitmq_telemetry_userid: "{{ keystone_rabbitmq_userid }}"
-keystone_rabbitmq_telemetry_password: "{{ keystone_rabbitmq_password }}"
-keystone_rabbitmq_telemetry_vhost: "{{ keystone_rabbitmq_vhost }}"
-keystone_rabbitmq_telemetry_port: "{{ keystone_rabbitmq_port }}"
-keystone_rabbitmq_telemetry_servers: "{{ keystone_rabbitmq_servers }}"
-keystone_rabbitmq_telemetry_use_ssl: "{{ keystone_rabbitmq_use_ssl }}"
+# RPC
+keystone_oslomsg_rpc_transport: rabbit
+keystone_oslomsg_rpc_servers: 127.0.0.1
+keystone_oslomsg_rpc_port: 5672
+keystone_oslomsg_rpc_use_ssl: False
+keystone_oslomsg_rpc_userid: keystone
+keystone_oslomsg_rpc_vhost: /keystone
+
+# Notify
+keystone_oslomsg_notify_transport: rabbit
+keystone_oslomsg_notify_servers: 127.0.0.1
+keystone_oslomsg_notify_port: 5672
+keystone_oslomsg_notify_use_ssl: False
+keystone_oslomsg_notify_userid: keystone
+keystone_oslomsg_notify_vhost: /keystone
 
 ## Role info
 keystone_role_name: admin
@@ -460,6 +461,8 @@ keystone_policy_overrides: {}
 keystone_required_secrets:
   - keystone_auth_admin_password
   - keystone_container_mysql_password
+  - keystone_oslomsg_rpc_password
+  - keystone_oslomsg_notify_password
   - keystone_rabbitmq_password
   - keystone_service_password
 
diff --git a/examples/playbook.yml b/examples/playbook.yml
index 947c1a5a..c3ae817c 100644
--- a/examples/playbook.yml
+++ b/examples/playbook.yml
@@ -41,11 +41,19 @@
         keystone_git_install_branch: master
         keystone_auth_admin_password: "SuperSecretePassword"
         keystone_service_password: "secrete"
-        keystone_rabbitmq_password: "secrete"
+        keystone_oslomsg_rpc_password: "secrete"
+        keystone_oslomsg_notify_password: "secrete"
         keystone_container_mysql_password: "SuperSecrete"
-        keystone_rabbitmq_port: 5671
-        keystone_rabbitmq_userid: keystone
-        keystone_rabbitmq_vhost: /keystone
-        keystone_rabbitmq_servers: 10.100.100.101
-        keystone_rabbitmq_use_ssl: true
+        keystone_oslomsg_rpc_transport: rabbit
+        keystone_oslomsg_rpc_servers: 10.100.100.101
+        keystone_oslomsg_rpc_port: 5671
+        keystone_oslomsg_rpc_use_ssl: true
+        keystone_oslomsg_rpc_userid: keystone
+        keystone_oslomsg_rpc_vhost: /keystone
+        keystone_oslomsg_notify_transport: rabbit
+        keystone_oslomsg_notify_servers: 10.100.100.101
+        keystone_oslomsg_notify_port: 5671
+        keystone_oslomsg_notify_use_ssl: true
+        keystone_oslomsg_notify_userid: keystone
+        keystone_oslomsg_notify_vhost: /keystone
         galera_client_drop_config_file: false
diff --git a/releasenotes/notes/oslo-messaging-separate-backends-e68c98d4f9d9a79c.yaml b/releasenotes/notes/oslo-messaging-separate-backends-e68c98d4f9d9a79c.yaml
new file mode 100644
index 00000000..470cfba6
--- /dev/null
+++ b/releasenotes/notes/oslo-messaging-separate-backends-e68c98d4f9d9a79c.yaml
@@ -0,0 +1,19 @@
+---
+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.
+    - keystone_oslomsg_rpc_servers replaces keystone_rabbitmq_servers
+    - keystone_oslomsg_rpc_port replaces keystone_rabbitmq_port
+    - keystone_oslomsg_rpc_use_ssl replaces keystone_rabbitmq_use_ssl
+    - keystone_oslomsg_rpc_userid replaces keystone_rabbitmq_userid
+    - keystone_oslomsg_rpc_vhost replaces keystone_rabbitmq_vhost
+    - keystone_oslomsg_notify_servers replaces keystone_rabbitmq_telemetry_servers
+    - keystone_oslomsg_notify_port replaces keystone_rabbitmq_telemetry_port
+    - keystone_oslomsg_notify_use_ssl replaces keystone_rabbitmq_telemetry_use_ssl
+    - keystone_oslomsg_notify_userid replaces keystone_rabbitmq_telemetry_userid
+    - keystone_oslomsg_notify_vhost replaces keystone_rabbitmq_telemetry_vhost
diff --git a/templates/keystone.conf.j2 b/templates/keystone.conf.j2
index 92031fec..b6f75132 100644
--- a/templates/keystone.conf.j2
+++ b/templates/keystone.conf.j2
@@ -18,18 +18,15 @@ secure_proxy_ssl_header = {{ keystone_secure_proxy_ssl_header }}
 log_file = keystone.log
 log_dir = /var/log/keystone
 
-## RabbitMQ RPC
+## Oslo.Messaging RPC
 {% if keystone_messaging_enabled | bool %}
-transport_url = rabbit://{% for host in keystone_rabbitmq_servers.split(',') %}{{ keystone_rabbitmq_userid }}:{{ keystone_rabbitmq_password }}@{{ host }}:{{ keystone_rabbitmq_port }}{% if not loop.last %},{% else %}/{{ keystone_rabbitmq_vhost }}{% endif %}{% endfor %}
-
-[oslo_messaging_rabbit]
-ssl = {{ keystone_rabbitmq_use_ssl }}
+transport_url = {{ keystone_oslomsg_rpc_transport }}://{% for host in keystone_oslomsg_rpc_servers.split(',') %}{{ keystone_oslomsg_rpc_userid }}:{{ keystone_oslomsg_rpc_password }}@{{ host }}:{{ keystone_oslomsg_rpc_port }}{% if not loop.last %},{% else %}/{{ keystone_oslomsg_rpc_vhost }}{% if keystone_oslomsg_rpc_use_ssl | bool %}?ssl=1{% else %}?ssl=0{% endif %}{% endif %}{% endfor %}
 {% endif %}
 
 {% if keystone_ceilometer_enabled %}
 [oslo_messaging_notifications]
 driver = messagingv2
-transport_url = rabbit://{% for host in keystone_rabbitmq_telemetry_servers.split(',') %}{{ keystone_rabbitmq_telemetry_userid }}:{{ keystone_rabbitmq_telemetry_password }}@{{ host }}:{{ keystone_rabbitmq_telemetry_port }}{% if not loop.last %},{% else %}/{{ keystone_rabbitmq_telemetry_vhost }}{% endif %}{% endfor %}
+transport_url = {{ keystone_oslomsg_notify_transport }}://{% for host in keystone_oslomsg_notify_servers.split(',') %}{{ keystone_oslomsg_notify_userid }}:{{ keystone_oslomsg_notify_password }}@{{ host }}:{{ keystone_oslomsg_notify_port }}{% if not loop.last %},{% else %}/{{ keystone_oslomsg_notify_vhost }}{% if keystone_oslomsg_notify_use_ssl | bool %}?ssl=1{% else %}?ssl=0{% endif %}{% endif %}{% endfor %}
 {% endif %}
 
 {% if keystone_cache_servers | length > 0 %}
diff --git a/tests/inventory b/tests/inventory
index c8fe17c0..7abcfa64 100644
--- a/tests/inventory
+++ b/tests/inventory
@@ -9,6 +9,12 @@ infra1
 keystone1
 keystone2
 
+[oslomsg_rpc_all]
+infra1
+
+[oslomsg_notify_all]
+infra1
+
 [rabbitmq_all]
 infra1