DOI Namespace > Integration of Other Identifier Schemes > Complementation of Other Identifier Services

The DOI System functionality can be offered to complement other identifier services which are available through other parties, for example, for the resolution of identifiers in a variety of contexts. Services using an identifier can be offered by multiple providers. Rules of certain identifier systems can necessitate the use of only specified preferred service providers; in such cases, the application of the identifier shall follow the rules of the relevant registration authority. Each registration authority for an identifier scheme retains autonomy in determining rules for usage within its own scheme or community. The DOI Foundation maintains current information on agreed specific mechanisms for use with other identifier schemes.