The OneStream IdentityServer implementation is distributed across web, application, and database tiers as shown below.
The web tier consists of components that support interaction between clients and the application tier. The application tier consists of components that provide application business logic. The database tier consists of all application-supporting databases. Each application has a dedicated SQL database. The OneStream Framework database contains system-wide security and authentication parameters such as users, groups, and roles. OneStream IdentityServer has a dedicated database that contains the configuration data to support authentication.