1.1 Glossary
This document uses the following terms:
automatic update agent: An automatic update agent is a subcomponent of or a component in addition to the update agent, which automatically and periodically triggers the update agent to perform operations such as search. A single update service is registered with an automatic update agent, on which all automatic operations are performed.
category: A group of updates. Each update belongs to zero or more update categories. An update category can be a product category that contains updates for a particular product, or a classification category that contains updates of a particular classification (for example, all security updates). A category can have a parent category as well as child categories.
Common Vulnerabilities and Exposures (CVE) ID: Described in [CVE].
Coordinated Universal Time (UTC): A high-precision atomic time standard that approximately tracks Universal Time (UT). It is the basis for legal, civil time all over the Earth. Time zones around the world are expressed as positive and negative offsets from UTC. In this role, it is also referred to as Zulu time (Z) and Greenwich Mean Time (GMT). In these specifications, all references to UTC refer to the time at UTC-0 (or GMT).
globally unique identifier (GUID): A term used interchangeably with universally unique identifier (UUID) in Microsoft protocol technical documents (TDs). Interchanging the usage of these terms does not imply or require a specific algorithm or mechanism to generate the value. Specifically, the use of this term does not imply or require that the algorithms described in [RFC4122] or [C706] must be used for generating the GUID. See also universally unique identifier (UUID).
HRESULT: An integer value that indicates the result or status of an operation. A particular HRESULT can have different meanings depending on the protocol using it. See [MS-ERREF] section 2.1 and specific protocol documents for further details.
language code identifier (LCID): A 32-bit number that identifies the user interface human language dialect or variation that is supported by an application or a client computer.
remote procedure call (RPC): A communication protocol used primarily between client and server. The term has three definitions that are often used interchangeably: a runtime environment providing for communication facilities between computers (the RPC runtime); a set of request-and-response message exchanges between computers (the RPC exchange); and the single message from an RPC exchange (the RPC message). For more information, see [C706].
root category: A category that does not have a parent.
scan package: A file containing metadata for a set of updates. An update agent can treat this as a virtual update service against which the update agent can perform update searches.
update agent: A software component on a computer that communicates with one or more update services in order to search for updates applicable to the computer.
update service: A server or service that responds to communication initiated by update agents in order to provide update metadata for applicable updates.
UTC (Coordinated Universal Time): A high-precision atomic time standard that approximately tracks Universal Time (UT). It is the basis for legal, civil time all over the Earth. Time zones around the world are expressed as positive and negative offsets from UTC. In this role, it is also referred to as Zulu time (Z) and Greenwich Mean Time (GMT). In these specifications, all references to UTC refer to the time at UTC–0 (or GMT).
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.