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Diameter is an authentication, authorization, and accounting protocol for computer networks. The Diameter base protocol is defined by RFC ( Obsoletes: RFC ) and .. RFC , Diameter Network Access Server Application. RFC (part 1 of 4): Diameter Network Access Server Application. Diameter Network Access Server Application (NASREQ, RFC ). • Diameter Base Accounting (RFC ). • Diameter Extensible Authentication Protocol.

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Network Working Group P. All RFCs always remain available on-line.

Diameter is an authentication, authorization, and accounting protocol for computer networks. Obsolete RFCs are indicated with strikethrough text. Current information, if any, about IPR issues:.

RFC – part 1 of 4

The Diameter protocol defines a policy protocol used by clients to perform policy, AAA, and resource control. The following sections list the AVPs used in these messages, grouped by common usage. Diameter Session Reauthentication or Reauthorization. The End-to-End Identifier is an unsigned bit integer field in network byte order that djameter used to detect duplicate messages along with the combination of the Origin-Host AVP.


ITU-T work programme

Other useful information describing the “Quality” of the document: The degree of stability or maturity of the document: If cleared, the message is an answer. Comments on RFCs and corresponding changes are accommodated through the existing 40005 process.

If an AVP with the ” M ” bit set is received by a Diameter client, server, proxy, or translation agent dkameter either the AVP or its value is unrecognized, the message must be rejected.

The failure of a reauthentication exchange will terminate the service.

The ” R ” Request bit — If set, the message is a request. Some common Diameter commands defined in the protocol base and applications are:. Adding a new optional AVP does not require a new application. Calhoun Request for Comments: Diameter is used for many different interfaces 4050 by the 3GPP standards, with each interface typically defining new commands and attributes.

Messages with the 405 bit set are commonly referred to as error messages.

Other for any supplementary information: When creating rf request, the End-to-End Identifier is set to a locally unique value. Diameter Relay and redirect agents must not reject messages with unrecognized AVPs. The authorization AVPs are further broken down by service type.


Any explicit references within that referenced document should also be listed: Relationship with other existing or emerging documents:. A request for authorization will include some AVPs defined in section 6. The packet consists of a Diameter header and a variable number of Attribute-Value Pairs, or AVPs, diametre encapsulating information relevant to the Diameter message.

Information about the call, the identity of the user, and the user’s authentication information are packaged into a Diameter AA-Request AAR message and sent to a server. Depending on the Auth-Request-Type AVP, the Diameter protocol allows authorization-only requests that contain no authentication information from the client.

From Wikipedia, the free encyclopedia. This section needs expansion. Diameter Network Access Server Application. Archived from the original on 4 July In case of redirecting agents, the Hop-by-Hop Identifier is maintained in the header as the Diameter agent responds with an answer message.