Definition: The Authorization Server ABB is a Technology Service that issues, validates and revokes access tokens or authorisation grants, mediating whether an authenticated subject is permitted to perform a requested action on a protected resource Last modification: 2026-07-06 Identifier: http://data.europa.eu/dr8/AuthorizationServer LOST view: Technical view - infrastructure EIRA concept: eira:ArchitectureBuildingBlock ABB name: eira:AuthorizationServer Synonym: OAuth2 Authorization Server, Token Issuance Service Example: An OAuth2 server issuing short-lived, scope-restricted access tokens to a client application after a successful authorisation-code exchange. Interoperability Saliency: Salient for technical interoperability because it standardises token-based authorisation flows Interoperability Dimension: Structural IoP Additional identifier: http://data.europa.eu/dr8/AuthorizationServer EIF Layer: TechnicalInfrastructure