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Note 1: the following direct interface between SDC and ETSI Catalog Manager will be supporting in Guilin.

• ETSI Catalog Management (ETSI Catalog Manger)- Guilin

Note 2: the direct interfaces between the ETSI Catalog Manager and SVNFM / External NFVO won't be supported in Guilin. It is a future consideration.

The following diagram depict a use case of direct ETSI package management

1. ETSI Catalog Manager subscribes to SDC to receive SDC notifications
2. SVNFM subscribes to ETSI Catalog Manager
3. External NFVO subscribes to ETSI Catalog Manager
4. SDC sends a notification for a service package with VNF package
5. ETSI Catalog Manager receives a notificationETSI Catalog Manager queries for an SDC notification package based on the notification
6. ETSI Catalog Manager gets resource packages under the service package, and stores the ETSI SOL004 package
7. ETSI Catalog Manager sends a notification to SVNFM for the ETSI VNF package
8. SVNFM receives a notification from queries for a VNF package based on the notification
9. SDC sends a notification for a service package with NS package
10. ETSI Catalog Manager SVNFM queries for a VNF package for the notificationan SDC package based on the notification
11. ETSI Catalog Manager gets resource packages under the service package, and stores the ETSI SOL007 package
12. ETSI Catalog manager sends a notification to External NFVO for the ETSI NS package
13. External NFVO receives a notification from ETSI Catalog ManagerExternal NFVO queries for a NS package for based on the notification