diff --git a/defaults/main.yml b/defaults/main.yml
index 04c4a83a..3ebea0ea 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -98,6 +98,24 @@ nova_api_db_pool_timeout: 30
 nova_cell0_database: "nova_cell0"
 nova_cell1_name: "cell1"
 
+## Oslo Messaging
+
+# RPC
+nova_oslomsg_rpc_transport: rabbit
+nova_oslomsg_rpc_servers: 127.0.0.1
+nova_oslomsg_rpc_port: 5672
+nova_oslomsg_rpc_use_ssl: False
+nova_oslomsg_rpc_userid: nova
+nova_oslomsg_rpc_vhost: /nova
+
+# Notify
+nova_oslomsg_notify_transport: rabbit
+nova_oslomsg_notify_servers: 127.0.0.1
+nova_oslomsg_notify_port: 5672
+nova_oslomsg_notify_use_ssl: False
+nova_oslomsg_notify_userid: nova
+nova_oslomsg_notify_vhost: /nova
+
 ## RabbitMQ info
 
 ## Configuration for RPC communications
@@ -105,21 +123,6 @@ nova_rpc_thread_pool_size: 64
 nova_rpc_conn_pool_size: 30
 nova_rpc_response_timeout: 60
 
-nova_rabbitmq_servers: 127.0.0.1
-nova_rabbitmq_port: 5672
-nova_rabbitmq_userid: nova
-nova_rabbitmq_vhost: /nova
-nova_rabbitmq_use_ssl: False
-
-## Configuration for notifications communication, i.e. [oslo_messaging_notifications]
-nova_rabbitmq_telemetry_userid: "{{ nova_rabbitmq_userid }}"
-nova_rabbitmq_telemetry_password: "{{ nova_rabbitmq_password }}"
-nova_rabbitmq_telemetry_vhost: "{{ nova_rabbitmq_vhost }}"
-nova_rabbitmq_telemetry_port: "{{ nova_rabbitmq_port }}"
-nova_rabbitmq_telemetry_servers: "{{ nova_rabbitmq_servers }}"
-nova_rabbitmq_telemetry_use_ssl: "{{ nova_rabbitmq_use_ssl }}"
-
-
 ## Nova virtualization Types
 # The nova_virt_types dictionary contains global overrides used for
 #  specific compute types. Every variable inside of this dictionary
diff --git a/releasenotes/notes/oslo-messaging-separate-backends-1fbdb77e93e29542.yaml b/releasenotes/notes/oslo-messaging-separate-backends-1fbdb77e93e29542.yaml
new file mode 100644
index 00000000..17464432
--- /dev/null
+++ b/releasenotes/notes/oslo-messaging-separate-backends-1fbdb77e93e29542.yaml
@@ -0,0 +1,20 @@
+---
+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+    The rabbitmq server parameters have been replaced by corresponding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.
+    - nova_oslomsg_rpc_servers replaces nova_rabbitmq_servers
+    - nova_oslomsg_rpc_port replaces nova_rabbitmq_port
+    - nova_oslomsg_rpc_use_ssl replaces nova_rabbitmq_use_ssl
+    - nova_oslomsg_rpc_userid replaces nova_rabbitmq_userid
+    - nova_oslomsg_rpc_vhost replaces nova_rabbitmq_vhost
+    - nova_oslomsg_notify_servers replaces nova_rabbitmq_telemetry_servers
+    - nova_oslomsg_notify_port replaces nova_rabbitmq_telemetry_port
+    - nova_oslomsg_notify_use_ssl replaces nova_rabbitmq_telemetry_use_ssl
+    - nova_oslomsg_notify_userid replaces nova_rabbitmq_telemetry_userid
+    - nova_oslomsg_notify_vhost replaces nova_rabbitmq_telemetry_vhost
+    - nova_oslomsg_notify_password replaces nova_rabbitmq_telemetry_password
diff --git a/tasks/nova_db_setup.yml b/tasks/nova_db_setup.yml
index defa0cf3..87b01ae0 100644
--- a/tasks/nova_db_setup.yml
+++ b/tasks/nova_db_setup.yml
@@ -60,7 +60,7 @@
     {{ nova_bin }}/nova-manage cell_v2 create_cell
       --name {{ nova_cell1_name }}
       --database_connection mysql+pymysql://{{ nova_galera_user }}:{{ nova_container_mysql_password }}@{{ nova_galera_address }}/{{ nova_galera_database }}?charset=utf8
-      --transport-url rabbit://{% for host in nova_rabbitmq_servers.split(',') %}{{ nova_rabbitmq_userid }}:{{ nova_rabbitmq_password }}@{{ host }}:{{ nova_rabbitmq_port }}{% if not loop.last %},{% else %}/{{ nova_rabbitmq_vhost }}{% endif %}{% endfor %}
+      --transport-url {{ nova_oslomsg_rpc_transport }}://{% for host in nova_oslomsg_rpc_servers.split(',') %}{{ nova_oslomsg_rpc_userid }}:{{ nova_oslomsg_rpc_password }}@{{ host }}:{{ nova_oslomsg_rpc_port }}{% if not loop.last %},{% else %}/{{ nova_oslomsg_rpc_vhost }}{% endif %}{% endfor %}
   become: yes
   become_user: "{{ nova_system_user_name }}"
   register: nova_cell1_create
diff --git a/templates/nova.conf.j2 b/templates/nova.conf.j2
index 4f557085..017fe573 100644
--- a/templates/nova.conf.j2
+++ b/templates/nova.conf.j2
@@ -41,7 +41,7 @@ enabled_apis = {{ nova_enabled_apis }}
 osapi_compute_workers = {{ nova_osapi_compute_workers | default(nova_api_threads) }}
 
 # Rpc all
-transport_url = rabbit://{% for host in nova_rabbitmq_servers.split(',') %}{{ nova_rabbitmq_userid }}:{{ nova_rabbitmq_password }}@{{ host }}:{{ nova_rabbitmq_port }}{% if not loop.last %},{% else %}/{{ nova_rabbitmq_vhost }}{% endif %}{% endfor %}
+transport_url = {{ nova_oslomsg_rpc_transport }}://{% for host in nova_oslomsg_rpc_servers.split(',') %}{{ nova_oslomsg_rpc_userid }}:{{ nova_oslomsg_rpc_password }}@{{ host }}:{{ nova_oslomsg_rpc_port }}{% if not loop.last %},{% else %}/{{ nova_oslomsg_rpc_vhost }}{% if nova_oslomsg_rpc_use_ssl | bool %}?ssl=1{% else %}?ssl=0{% endif %}{% endif %}{% endfor %}
 
 executor_thread_pool_size = {{ nova_rpc_thread_pool_size }}
 rpc_response_timeout = {{ nova_rpc_response_timeout }}
@@ -93,7 +93,7 @@ notify_on_state_change = vm_and_task_state
 {% endif %}
 notification_topics = {{ notification_topics | join(',') }}
 driver = messagingv2
-transport_url = rabbit://{% for host in nova_rabbitmq_telemetry_servers.split(',') %}{{ nova_rabbitmq_telemetry_userid }}:{{ nova_rabbitmq_telemetry_password }}@{{ host }}:{{ nova_rabbitmq_telemetry_port }}{% if not loop.last %},{% else %}/{{ nova_rabbitmq_telemetry_vhost }}{% endif %}{% endfor %}
+transport_url = {{ nova_oslomsg_notify_transport }}://{% for host in nova_oslomsg_notify_servers.split(',') %}{{ nova_oslomsg_notify_userid }}:{{ nova_oslomsg_notify_password }}@{{ host }}:{{ nova_oslomsg_notify_port }}{% if not loop.last %},{% else %}/{{ nova_oslomsg_notify_vhost }}{% if nova_oslomsg_notify_use_ssl | bool %}?ssl=1{% else %}?ssl=0{% endif %}{% endif %}{% endfor %}
 {% endif %}
 
 # Cache
@@ -236,7 +236,6 @@ lock_path = {{ nova_lock_path }}
 
 
 [oslo_messaging_rabbit]
-ssl = {{ nova_rabbitmq_use_ssl }}
 rpc_conn_pool_size = {{ nova_rpc_conn_pool_size }}
 
 
diff --git a/tests/inventory b/tests/inventory
index 05ef0a0f..e651cd96 100644
--- a/tests/inventory
+++ b/tests/inventory
@@ -7,6 +7,12 @@ openstack1
 infra1
 openstack1
 
+[oslomsg_rpc_all]
+infra1
+
+[oslomsg_notify_all]
+infra1
+
 [rabbitmq_all]
 infra1