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+..
+ This work is licensed under a Creative Commons Attribution 3.0 Unported
+ License.
+
+ http://creativecommons.org/licenses/by/3.0/legalcode
+
+============================================================
+Support non-unique network names in Servers IPs API response
+============================================================
+
+https://blueprints.launchpad.net/nova/+spec/servers-ips-non-unique-network-names
+
+Report correct server IP information when multiple networks with the same name
+are used in VM. This spec proposes to group VM networks using their IDs rater
+than names in Server IPs API resource.
+
+Problem description
+===================
+
+Neutron allows multiple networks with the same name. Nova allows adding
+multiple networks to a VM.
+
+When two networks with the same name are added to a VM and Servers IPs API
+request is made then incorrect information is returned. Response is the same
+as if there would be a single network with multiple IP addresses.
+
+.. code-block:: javascript
+
+   // GET /servers/68c1b82f-adf2-4b71-a411-0b70da3c1748/ips
+
+   {
+     "addresses": {
+       "testnet1": [
+         {
+           "OS-EXT-IPS-MAC:mac_addr": "fa:16:3e:65:83:12",
+           "version": 4,
+           "addr": "192.168.0.12",
+           "OS-EXT-IPS:type": "fixed"
+         },
+         {
+           "OS-EXT-IPS-MAC:mac_addr": "fa:16:3e:7c:67:72",
+           "version": 4,
+           "addr": "192.168.1.4",
+           "OS-EXT-IPS:type": "fixed"
+         }
+       ]
+     }
+   }
+
+Instead, the response should indicate that there are two networks with single
+address each. Additionally network label shall be preserved.
+
+.. code-block:: javascript
+
+   // GET /servers/68c1b82f-adf2-4b71-a411-0b70da3c1748/ips
+
+   {
+      "addresses":{
+         "b7388c79-b206-4ddf-9d75-95ec4488b906":{
+            "name":"testnet1",
+            "ips":[
+               {
+                  "OS-EXT-IPS-MAC:mac_addr":"fa:16:3e:65:83:12",
+                  "version":4,
+                  "addr":"192.168.0.12",
+                  "OS-EXT-IPS:type":"fixed"
+               }
+            ]
+         },
+         "b69db569-85b3-4fd6-b053-11be7d23fbc6":{
+            "name":"testnet1",
+            "ips":[
+               {
+                  "OS-EXT-IPS-MAC:mac_addr":"fa:16:3e:7c:67:72",
+                  "version":4,
+                  "addr":"192.168.1.4",
+                  "OS-EXT-IPS:type":"fixed"
+               }
+            ]
+         }
+      }
+   }
+
+Consequently request for specific network shall be altered from::
+
+    /servers/{server_id}/ips/{network_label}
+
+to::
+
+    /servers/{server_id}/ips/{network_id}
+
+Use Cases
+---------
+
+As an API user with a server attached to multiple networks with the same name,
+I want to be able to uniquely identify with which networks the server IP
+addresses are associated.
+
+Proposed change
+===============
+
+This spec propose to fix this bug as microversion by changing response schema
+and resource path.
+The legacy API won't be fixed as the change affects API consumers.
+
+Alternatives
+------------
+
+* Do not allow adding network with the same name as already existing ones
+* Report server IPs as an array, not dict
+
+Data model impact
+-----------------
+
+None
+
+REST API impact
+---------------
+
+Two changes to API by new microversion:
+
+Change resource path from::
+
+    /servers/{server_id}/ips/{network_label}
+
+to::
+
+    /servers/{server_id}/ips/{network_id}
+
+Change schema of ``/servers/{server_id}/ips`` resource to:
+
+* group networks by IDs
+* preserve network name in the network group
+
+.. code-block:: javascript
+
+   {
+      "addresses":{
+         "b7388c79-b206-4ddf-9d75-95ec4488b906":{
+            "name":"testnet1",
+            "ips":[
+               {
+                  "OS-EXT-IPS-MAC:mac_addr":"fa:16:3e:65:83:12",
+                  "version":4,
+                  "addr":"192.168.0.12",
+                  "OS-EXT-IPS:type":"fixed"
+               }
+            ]
+         }
+      }
+   }
+
+Security impact
+---------------
+
+None
+
+Notifications impact
+--------------------
+
+None
+
+Other end user impact
+---------------------
+
+None
+
+Performance Impact
+------------------
+
+None
+
+Other deployer impact
+---------------------
+
+None
+
+Developer impact
+----------------
+
+None
+
+Upgrade impact
+--------------
+
+None
+
+
+Implementation
+==============
+
+Assignee(s)
+-----------
+
+Primary assignees:
+    Jonghan Park <jhan12.park@samsung.com>
+    Maciej Kucia <maciej@kucia.net>
+
+Work Items
+----------
+
+* Fix the API by new microversion
+* Reflect API changes in nova-client
+* Reflect API changes in documentation
+
+Dependencies
+============
+
+None
+
+Testing
+=======
+
+Tests shall be updated to reflect API changes.
+
+Documentation Impact
+====================
+
+Update the `api-ref`_ to reflect new API schema and paths.
+
+References
+==========
+
+* https://bugs.launchpad.net/nova/+bug/1708316
+* https://developer.openstack.org/api-ref/compute/#servers-ips-servers-ips
+
+.. _api-ref: http://developer.openstack.org/api-ref/compute/
+
+History
+=======
+
+.. list-table:: Revisions
+   :header-rows: 1
+
+   * - Release Name
+     - Description
+   * - Rocky
+     - Introduced