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-.. This work is licensed under a Creative Commons Attribution 4.0 International License.
-.. http://creativecommons.org/licenses/by/4.0
-
-Georedundancy Use cases (Draft)
-===============================
-Georedundancy refers to a configuration which ensures the service continuity of
-the VNF-s even if a whole datacenter fails [Q: Do we include or exclude VNF
-pooling?].
-This can be achieved by redundant VNF-s in a hot (spare VNF is running its
-configuration and internal state is synchronised to the active VNF),
-warm (spare VNF is running, its configuration is synchronised to the active VNF)
-or cold (spare VNF is not running, active VNF-s configuration is stored in a
-database and dropped to the spare VNF during its activation) standby state in a
-different datacenter from where the active VNF-s are running.
-In all of these georedundancy setups there is a need for a network connection
-between the datacenter running the active VNF and the datacenter running the
-spare VNF.
-
-This set of use cases is about enabling the possiblity to select a datacenter as
-backup datacenter and build the connectivity between the NFVI-s in the
-different datacenters in a programmable way.
-
-Connection between different OpenStack cells
---------------------------------------------
-Description
-^^^^^^^^^^^
-There should be an API to manage the infrastructure-s networks between two
-OpenStack cells.
-(Note: In the Mitaka release of OpenStack cells v1 are considered as, cells v2
-functionaity is under implementation)
-
-- Maybe the existing capability of Neutron to have several subnets associated
-  to an external network is enough?
-
-Requirements
-^^^^^^^^^^^^
-   - Possibility to define a remote and a local endpoint
-   - As in case of cells the nova-api service is shared it should be possible
-     to identify the cell in the API calls
-
-Northbound API / Workflow
-"""""""""""""""""""""""""
-   - An infrastructure network management API is needed
-   - When the endpoints are created neutron is configured to use the new network.
-     (Note: Nova networking is not considered as it is deprecated.)
-
-
-Data model objects
-""""""""""""""""""
-   - TBD
-
-Orchestration
-"""""""""""""
-   - TBD
-
-Dependencies on compute services
-""""""""""""""""""""""""""""""""
-   None.
-
-Potential implementation
-""""""""""""""""""""""""
-   - TBD
-
-Connection between different OpenStack regions or cloud instances
------------------------------------------------------------------
-
-Description
-^^^^^^^^^^^
-There should be an API to manage the infrastructure-s networks between two
-OpenStack regions or between two OpenStack cloud instances.
-(The only difference is the shared keystone in case of a region)
-
-Requirements
-^^^^^^^^^^^^
-   - Possibility to define a remote and a local endpoint
-   - Possiblity to define an overlay/segregation technology
-
-Northbound API / Workflow
-"""""""""""""""""""""""""
-   - An infrastructure network management API is needed
-   - When the endpoints are created neutron is configured to use the new network.
-     (Note: Nova networking is not considered as it is deprecated.)
-
-
-Data model objects
-""""""""""""""""""
-   - TBD
-
-Orchestration
-"""""""""""""
-   - TBD
-
-Dependencies on compute services
-""""""""""""""""""""""""""""""""
-   - TBD
-
-Potential implementation
-""""""""""""""""""""""""
-   - TBD