1, F-GPS:
Please refer to the patch https://gerrit.onap.org/r/#/c/78634/ which elaborate how to enhance current API to support F-GPS.
The AZ names should be discovered by multicloud discovery/registry process, the AAI schema can be reused without change:
...
2, SO/MC integration
Create Workload: https://wiki.onap.org/display/DW/SO+to+Multicloud+API+enhancements
AAI updating: https://wiki.onap.org/pages/viewpage.action?pageId=58228881
...
4, Multi-Tenant Support
TBD
5, Secured-communication enablement
TBD