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Georedundancy: Connection between different OpenStack regions or cloud instances
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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