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Table of Contents

Draft

This following is a working draft, and the contents can be changed as needed. The ETSI-based hierarchical orchestration is a concept, and it is not committed for the Frankfurt release. 

Architecture

Gliffy Diagram
nameONAP SO ETSI Hierarchical Orchestration
pagePin18


NFVO Architecture & Functions

The following diagram depicts the NFVO component architecture


Gliffy Diagram
macroId6eb369b2-795b-470e-91dd-44f9424a19f2
nameONAP NFVO component architecture
pagePin6


Standard Interfaces


Gliffy Diagram
macroId8a4b5048-c8b6-4d47-874e-7cfaabed8d83
nameONAP NFVO component interfaces
pagePin17


Create / Instantiate NS

The following diagram depicts the Create/Instantiate NS.


PlantUML Macro
typedot
@startuml
participant SO
participant SOL005_Adapter
participant SOL005_NBI
participant NS_LCMGR
participant Resource_Mgr
participant OOF
participant Catalog_DB_Adapter
participant ETSI_Catalog_Mgr
participant Inventory_DB_Adapter
participant AAI
participant SOL003_Adapter
participant VIM
participant VNFM

autonumber 

group Create NS
	SO -> SOL005_Adapter : Create NS
    SOL005_Adapter -> SOL005_NBI : Create NS
    SOL005_NBI -> NS_LCMGR : Create NS
    NS_LCMGR -> Resource_Mgr : Create NS record
    Resource_Mgr -> Inventory_DB_Adapter : Create NS record
    Inventory_DB_Adapter -> AAI : Create NS record
    AAI --> AAI : Create NS record
    AAI -> Inventory_DB_Adapter : Response for Create NS record
    Inventory_DB_Adapter -> Resource_Mgr: Response for Create NS record
    Resource_Mgr -> NS_LCMGR : Response for Create NS record
    NS_LCMGR -> SOL005_NBI : Response for Create NS record	
    SOL005_NBI -> SOL005_Adapter : Response with NS Instance Id
    SOL005_Adapter -> SO : Response with NsInstance\n(including NS Instance Id)
    NS_LCMGR -> SOL005_NBI : Send\nNsIdentifierCreationNotification
    SOL005_NBI -> SOL005_Adapter : Send\nNsIdentifierCreationNotification
    SOL005_Adapter -> SO : Send\nNsIdentifierCreationNotification
end
group Instantiate NS
    NS_LCMGR -> Catalog_DB_Adapter : Read NS descriptor
    Catalog_DB_Adapter -> ETSI_Catalog_Mgr : Read NS descriptor
    ETSI_Catalog_Mgr -> Catalog_DB_Adapter : Return NS descriptor
    Catalog_DB_Adapter -> NS_LCMGR : Return NS descriptor
    NS_LCMGR --> NS_LCMGR : Parse & Decompose NS descriptor
    NS_LCMGR --> NS_LCMGR : Instantiate NS
    NS_LCMGR --> NS_LCMGR : Instantiate VLs between VNFs
    NS_LCMGR -> Resource_Mgr : Create Network
    Resource_Mgr -> VIM : Create Network
    VIM -> Resource_Mgr : Response for Create Network
    Resource_Mgr -> NS_LCMGR : Response for Create Network
    NS_LCMGR -> Resource_Mgr : Create VL record
    Resource_Mgr -> Inventory_DB_Adapter : Create VL record
    Inventory_DB_Adapter -> AAI : Create VL record
    AAI --> AAI : Create VL record
    AAI -> Inventory_DB_Adapter : Response for Create VL record
    Inventory_DB_Adapter -> Resource_Mgr : Response for Create VL record
    Resource_Mgr -> NS_LCMGR : Response for Create VL record
    NS_LCMGR -> Resource_Mgr : Request Homing Information\nfor Network Service
    Resource_Mgr -> OOF : Requests Homing Information\nfor Network Service
    OOF -> Resource_Mgr : Response with Homing Information\nfor Network Service
    Resource_Mgr --> Resource_Mgr : Persist Homing Information\nfor Network Service
loop Go through each VNF    
    NS_LCMGR -> SOL003_Adapter : Request for Instantiate VNF
    SOL003_Adapter -> VNFM : Request for Instantiate VNF
    VNFM -> SOL003_Adapter : Request Grant VNF resource
    SOL003_Adapter -> NS_LCMGR : Request Grant VNF resource
    NS_LCMGR -> Resource_Mgr : Request Homing Information 
    Resource_Mgr -> NS_LCMGR : Return with Homing Information\nfor the VNF
    NS_LCMGR --> NS_LCMGR : Make a Grant decision
    NS_LCMGR -> SOL003_Adapter : Return with a Grant decision
    SOL003_Adapter -> VNFM: Return with a Grant decision
    VNFM --> VNFM : Instantiate VNF
    VNFM -> SOL003_Adapter : Notify the changes\nof VNF/VDUs/CPs
    SOL003_Adapter -> NS_LCMGR : Notify the changes\nof VNF/VUD/CPs
end
    NS_LCMGR -> SOL005_NBI : Send\nnsLcmOperationOccurrenceNotification
    SOL005_NBI -> SOL005_Adapter : Send\nnsLcmOperationOccurrenceNotification
    SOL005_Adapter -> SO : Send\nnsLcmOperationOccurrenceNotification
end    


@enduml


Terminate / Delete NS

The following diagram depicts the Terminate / Delete NS.


PlantUML Macro
typedot
@startuml
participant SO
participant SOL005_Adapter
participant SOL005_NBI
participant NS_LCMGR
participant Resource_Mgr
participant OOF
participant Catalog_DB_Adapter
participant ETSI_Catalog_Mgr
participant Inventory_DB_Adapter
participant AAI
participant SOL003_Adapter
participant VIM
participant VNFM

autonumber 

group Terminate NS
	SO -> SOL005_Adapter : Terminate NS
    SOL005_Adapter -> SOL005_NBI : Terminate NS
    SOL005_NBI -> NS_LCMGR : Terminate NS
    NS_LCMGR -> Resource_Mgr : Query all instances related to NS
    Resource_Mgr -> Inventory_DB_Adapter : Query all instances related to NS
    Inventory_DB_Adapter -> AAI : Query all instances related to NS
    AAI -> Inventory_DB_Adapter : Return all instances for NS
    Inventory_DB_Adapter -> Resource_Mgr : Return all instances for NS
    Resource_Mgr -> NS_LCMGR : Return all instances for NS
    NS_LCMGR --> NS_LCMGR : Start Delete NS instances
    NS_LCMGR -> Resource_Mgr : Request Homing Information\nfor Network Service
    Resource_Mgr -> OOF : Requests Homing Information\nfor Network Service
    OOF -> Resource_Mgr : Response with Homing Information\nfor Network Service
    Resource_Mgr --> Resource_Mgr : Persist Homing Information\nfor Network Service
loop Go thru each VNF
    NS_LCMGR -> SOL003_Adapter : Delete VNF
    SOL003_Adapter -> VNFM : Delete VNF
    VNFM -> SOL003_Adapter : Request Grant resource for deletion
    SOL003_Adapter -> NS_LCMGR : Request Grant resource for deletion
    VNFM -> SOL003_Adapter : Request Grant VNF resource
    SOL003_Adapter -> NS_LCMGR : Request Grant VNF resource
    NS_LCMGR -> Resource_Mgr : Request Homing Information 
    Resource_Mgr -> NS_LCMGR : Return with Homing Information\nfor the VNF
    NS_LCMGR --> NS_LCMGR : Make a Grant decision
    NS_LCMGR -> SOL003_Adapter : Return with a Grant decision
    SOL003_Adapter -> VNFM: Return with a Grant decision  
	VNFM --> VNFM : Delete Resources
    VNFM -> SOL003_Adapter : Notify changes of VNF/VDUs/CPs
    SOL003_Adapter -> NS_LCMGR : Notify changes of VNF/VDUs/CPs
    NS_LCMGR -> Resource_Mgr : Update records for Delete VNF/VDUs/CPs
    Resource_Mgr -> Inventory_DB_Adapter : Update records for Delete VNF/VDUs/CPs
    Inventory_DB_Adapter -> AAI : Update records for Delete VNF/VDUs/CPs
    AAI --> AAI : Update records for Delete VNF/VDUs/CPs
    AAI -> Inventory_DB_Adapter : Return with Delete VNF/VDUs/CPs
    Inventory_DB_Adapter -> Resource_Mgr : Return with Delete VNF/VDUs/CPs
    Resource_Mgr -> NS_LCMGR : Return with Delete VNF/VDUs/CPs
end
    NS_LCMGR -> Resource_Mgr : Request for Delete VLs (if needed)
    Resource_Mgr -> VIM : Request for Delete VLs
    VIM --> VIM : Delete VLs
    NS_LCMGR -> Resource_Mgr : Update records for Delete VLs
    Resource_Mgr -> Inventory_DB_Adapter : Update records for Delete VLs
    Inventory_DB_Adapter -> AAI : Update records for Delete VLs
    AAI --> AAI : Update records for Delete VLs
    AAI -> Inventory_DB_Adapter : Return with Delete VLs
    Inventory_DB_Adapter -> Resource_Mgr : Return with Delete VLs
    Resource_Mgr -> NS_LCMGR : Return with Delete VLs

    NS_LCMGR -> SOL005_NBI : Send\nnsLcmOperationOccurrenceNotification
    SOL005_NBI -> SOL005_Adapter : Send\nnsLcmOperationOccurrenceNotification
    SOL005_Adapter -> SO : Send\nnsLcmOperationOccurrenceNotification
end    



@enduml