Object identifier

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. 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. An OID corresponds to a node in the 'OID tree' or hierarchy, which is formally defined using the ITU's OID standard, X.660. The root of the tree contains the following three arcs: