1.1 Glossary

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This document uses the following terms:

Active Directory Federation Services (AD FS): A Microsoft implementation of a federation services provider, which provides a security token service (STS) that can issue security tokens to a caller using various protocols such as WS-Trust, WS-Federation, and Security Assertion Markup Language (SAML) version 2.0.

AD FS behavior level: A specification of the functionality available in an AD FS server. Possible values such as AD_FS_BEHAVIOR_LEVEL_1 and AD_FS_BEHAVIOR_LEVEL_2 are described in [MS-OAPX].

AD FS server: See authorization server in [RFC6749].

JavaScript Object Notation (JSON): A text-based, data interchange format that is used to transmit structured data, typically in Asynchronous JavaScript + XML (AJAX) web applications, as described in [RFC7159]. The JSON format is based on the structure of ECMAScript (Jscript, JavaScript) objects.

JSON Web Token (JWT): A string representing a set of claims as a JSON object that is encoded in a JWS or JWE, enabling the claims to be digitally signed or integrity protected with a Message Authentication Code (MAC) and/or encrypted. For more information, see [RFC7519].

multi-resource refresh token: A refresh token (see [RFC6749] section 1.5) that can be redeemed for an access token for any resource. If a refresh token is not a multi-resource refresh token, then it can only be redeemed for an access token for the same resource that was originally requested when the refresh token was granted.

relying party (RP): A web application or service that consumes security tokens issued by a security token service (STS).

Uniform Resource Identifier (URI): A string that identifies a resource. The URI is an addressing mechanism defined in Internet Engineering Task Force (IETF) Uniform Resource Identifier (URI): Generic Syntax [RFC3986].

Uniform Resource Locator (URL): A string of characters in a standardized format that identifies a document or resource on the World Wide Web. The format is as specified in [RFC1738].

user principal name (UPN): A user account name (sometimes referred to as the user logon name) and a domain name that identifies the domain in which the user account is located. This is the standard usage for logging on to a Windows domain. The format is: someone@example.com (in the form of an email address). In Active Directory, the userPrincipalName attribute of the account object, as described in [MS-ADTS].

MAY, SHOULD, MUST, SHOULD NOT, MUST NOT: These terms (in all caps) are used as defined in [RFC2119]. All statements of optional behavior use either MAY, SHOULD, or SHOULD NOT.