External API:

1 High Level Component Definition and Architectural Relationships

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Interface Name	Interface Definition	Interface Capabilities
ExternalAPIE-1 NBI Management Interface	Provides a healthcheck to verify that the NBI component is running fine	Provides: Healthcheck of a NBI service
ExternalAPIE-2 Subscription Management Interface	Provides the ability to subscribe to and unsubscribe from External API events. (also known as the External API Hub interface)	Provides: Create/Delete a Notification List notification Retrieve a notification Listen to notifications
ExternalAPIE-3 Service Catalogue Interface	Find service specifications that can be instantiated	Provides: Search for services in the catalogue (with filters) Retrieve a service specification from the catalogue
ExternalAPIE-4 Service Ordering Interface	Request the instantiation of a service	Provides Search for service orders Retrieve a service order Request a service instantiation
ExternalAPIE-5 Service Inventory Interface	Query information about instantiated services	Provides Search for instantiated Services Retrieve information about an instantiated order

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Interface Name	Purpose Reason For Use	API Spec (Swagger)
SDCE-6	To receive the notifications of a new service.
SDCE-7	To query the catalogue for service specifications
SOE-X	To request a service instantiation
AAIE-1	To query the instantiated services
MSBE-1	Register NBI API
DMAAPE-1	Poll 2 topics: AAI events SDC events

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