An administrative domain is a

service provider A service provider (SP) is an organization that provides services, such as consulting, legal, real estate, communications, storage, and processing services, to other organizations. Although a service provider can be a sub-unit of the organization t ...

holding a

security Security is protection from, or resilience against, potential harm (or other unwanted coercion). Beneficiaries (technically referents) of security may be persons and social groups, objects and institutions, ecosystems, or any other entity or ...

repository Repository may refer to: Archives and online databases * Content repository, a database with an associated set of data management tools, allowing application-independent access to the content * Disciplinary repository (or subject repository), an ...

permitting to easily

authenticate Authentication (from ''authentikos'', "real, genuine", from αὐθέντης ''authentes'', "author") is the act of proving an assertion, such as the identity of a computer system user. In contrast with identification, the act of indicating ...

and authorize clients with

credentials A credential is a piece of any document that details a qualification, competence, or authority issued to an individual by a third party with a relevant or '' de facto'' authority or assumed competence to do so. Examples of credentials include ac ...

. This particularly applies to computer network security. This concept is captured by the 'AdminDomain'

class Class, Classes, or The Class may refer to: Common uses not otherwise categorized * Class (biology), a taxonomic rank * Class (knowledge representation), a collection of individuals or objects * Class (philosophy), an analytical concept used d ...

of the GLUE

information model An information model in software engineering is a representation of concepts and the relationships, constraints, rules, and Operation (mathematics), operations to specify Semantic data model, data semantics for a chosen domain of discourse. Typica ...

.http://www.ogf.org/documents/GFD.147.pdf GLUE Specification v. 2.0 ( Open Grid Forum) An administrative domain is mainly used in intranet environments.

Implementation

It may be implemented as a collection of

host A host is a person responsible for guests at an event or for providing hospitality during it. Host may also refer to: Places * Host, Pennsylvania, a village in Berks County * Host Island, in the Wilhelm Archipelago, Antarctica People * ...

s and routers, and the interconnecting network(s), managed by a single administrative authority. Interoperation between different administrative domains having different security repositories, different

security software Computer security software or cybersecurity software is any computer program designed to influence information security. This is often taken in the context of defending computer systems or data, yet can incorporate programs designed specifically ...

or different

security policies Security policy is a definition of what it means to ''be secure'' for a system, organization or other entity. For an organization, it addresses the constraints on behavior of its members as well as constraints imposed on adversaries by mechanisms ...

is notoriously difficult. Therefore, administrative domains wishing ad hoc interoperation or full

interoperability Interoperability is a characteristic of a product or system to work with other products or systems. While the term was initially defined for information technology or systems engineering services to allow for information exchange, a broader de ...

have to build a

federation A federation (also called a federal state) is an entity characterized by a political union, union of partially federated state, self-governing provinces, states, or other regions under a #Federal governments, federal government (federalism) ...

References

Computer network security {{Compu-network-stub