...
Anyone reading this section should have a good understanding of all the interacting modules.
Sequence diagram
User login flow with Auth service provider(AAF)
(Note: API token may be used for the external systems such as OSS/BSS, however, the generation of API token is not considered to be relevant to MSB(External API Gateway))
External service request flow
(Assumption: the external system(OSS/BSS) or user agent(Browser) already get authenticated and allocated a token, it can be either a user token for ONAP user or an API token for OSS/BSS)
API Incoming Dependencies
...