Object identifier

OIDOIDsobject identifier (OID)Object Identifiers
In computing, object identifiers or OIDs are an identifier mechanism standardized by the International Telecommunications Union (ITU) and ISO/IEC for naming any object, concept, or "thing" with a globally unambiguous persistent name.wikipedia
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X.509

PKIXX.509 certificateX.509 certificates
Each extension has its own ID, expressed as object identifier, which is a set of values, together with either a critical or non-critical indication.

Simple Network Management Protocol

SNMPSNMP trapSNMP management system
MIBs describe the structure of the management data of a device subsystem; they use a hierarchical namespace containing object identifiers (OID).

Management information base

MIBManagement Information Base (MIB)Management Information Bases
The database is hierarchical (tree-structured) and each entry is addressed through an object identifier (OID).

Extended Validation Certificate

Extended ValidationEVEV HTTPS Certificates
Each issuer uses a different object identifier (OID) in this field to identify their EV certificates, and each OID is documented in the issuer's Certification Practice Statement.

Universally unique identifier

UUIDGlobally Unique IdentifierGUID
The specification provides UUIDs to represent the namespaces for URLs, fully qualified domain names, object identifiers, and X.500 distinguished names; but any desired UUID may be used as a namespace designator.

Computing

computer technologycomputing technologyapplied computing
In computing, object identifiers or OIDs are an identifier mechanism standardized by the International Telecommunications Union (ITU) and ISO/IEC for naming any object, concept, or "thing" with a globally unambiguous persistent name.

Identifier

IDidentifiersidentification number
In computing, object identifiers or OIDs are an identifier mechanism standardized by the International Telecommunications Union (ITU) and ISO/IEC for naming any object, concept, or "thing" with a globally unambiguous persistent name.

International Telecommunication Union

ITUInternational Telecommunications UnionInternational Telecommunication Union´s
In computing, object identifiers or OIDs are an identifier mechanism standardized by the International Telecommunications Union (ITU) and ISO/IEC for naming any object, concept, or "thing" with a globally unambiguous persistent name.

Vertex (graph theory)

verticesvertexnode
An OID corresponds to a node in the "OID tree" or hierarchy, which is formally defined using the ITU's OID standard, X.660.

Directed graph

directed edgedirecteddigraph
The root of the tree contains the following three arcs:

Internet Assigned Numbers Authority

IANAInternet Assigned Numbers Authority (IANA)Internet number
Continuing with the example, the node numbers under root node "1" are assigned by ISO; the nodes under "1.3.6" are assigned by the US Department of Defense; the nodes under "1.3.6.1.4.1" are assigned by IANA; the nodes under "1.3.6.1.4.1.343" are assigned by Intel Corporation, and so forth.

ITU-T

CCITTITU Telecommunication Standardization SectorTelecommunication Standardization Sector

International Organization for Standardization

ISOISO standardInternational Organisation for Standardisation
In computing, object identifiers or OIDs are an identifier mechanism standardized by the International Telecommunications Union (ITU) and ISO/IEC for naming any object, concept, or "thing" with a globally unambiguous persistent name.

DICOM

Digital Imaging and Communications in MedicineDICOM (Digital Imaging and Communications in Medicine).dcm