Keycloak can used for broker or identity provider authentication requests from client applications - VMware Telco Cloud Service Assurance, to an identity provider.
Using VMware Identity Manager as the common identity provider enables Single Sign-On capabilities for client applications like VMware Aria Operations and VMware Telco Cloud Service Assurance. To configure identity providers, see the KB article.
Integrating VMware Telco Cloud Service Assurance Keycloak with an external Identity Provider (IDP) using the OpenID Connect protocol (OAuth2), refer KB article.