This service interacts with other services and authenticates, provides roles and permisssion to access the API.
Identity as a service comprises cloud-based solutions for identity and access management (IAM) functions, such as single sign-on (SSO). These methods allow all users (customers, employees, and third parties) to more securely access sensitive information both on premises and over the cloud.
Eg: A user can reach a certain service with certain roles and permissions recorded here.
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