The Diameter base protocol is intended to provide an Authentication, Authorization and Accounting (AAA) framework for applications such as network access or. Diameter is the protocol used within EPS/IMS architectures for AAA ( Authentication, Diameter is specified primarily as a base protocol by the IETF in RFC Diameter is an authentication, authorization, and accounting protocol for computer networks. The Diameter base protocol is defined by RFC ( Obsoletes: RFC ) and defines the minimum requirements for an AAA protocol. Diameter.

Author: Mezirg Gall
Country: Liechtenstein
Language: English (Spanish)
Genre: Sex
Published (Last): 28 December 2013
Pages: 456
PDF File Size: 9.27 Mb
ePub File Size: 11.17 Mb
ISBN: 150-7-33135-989-8
Downloads: 49615
Price: Free* [*Free Regsitration Required]
Uploader: Yocage

Every Diameter message MUST contain a command code in its header’s Command-Code field, which rfx used to determine the action that is to be taken for a particular message.

Diameter Base Protocol

You can help by adding to it. If no rule rfc 3588 diameter, the packet is treated as best effort. The ” E ” Error bit — If set, the message contains a protocol error, and the message will not conform to the CCF described for this command. Further, since redirect agents never relay requests, they are not required rfc 3588 diameter maintain transaction state.

Realm The string in the NAI that immediately follows the ‘ ‘ character. Happy to help you again.

All Diameter packets with the same Session-Identifier rff considered to be part of the rfc 3588 diameter session. Team-Diameter March 2, at In addition, they MUST fully support each Diameter application that is needed to implement the intended service, e.

Therefore, it is imperative that the designers of new applications understand their requirements before using Diameter.

RFC – part 2 of 5

These applications are introduced in this document but specified elsewhere. Server Identifier One or more servers the message is to be routed to. Authorization The act rfc 3588 diameter determining whether a requesting entity subject will be allowed access to a resource object.


To test for a particular IP version, the bits part can be set to zero. Really appreciate your prompt responses. Hi Karthik Both messages are used when session is maintain between client and server. Correlation of Accounting Records An AVP includes a rfc 3588 diameter and is used to encapsulate protocol-specific data e.

Diameter Command Naming Conventions This MAY require that new AVP values be assigned to represent the new authentication transform, or any other scheme rfc 3588 diameter produces similar results.

Depending on the business model, a broker may either choose to deploy relay agents or proxy agents. Multi-sessions are tracked by using the Acct-Multi-Session-Id. This is known as the Realm Routing Table, as is defined further in Section 2.

RFC – part 1 of 5

rfc 3588 diameter It supports stateless as well as stateful modes. A Diameter implementation MAY act as one type of agent for some requests, and rfc 3588 diameter another type of agent for others.

Hi, I have a query. A Diameter node MAY act as an agent for certain requests while acting as a server for others. Proxies MAY be used in call control centers or access ISPs that provide outsourced connections, they can monitor the number and types of ports in use, and make allocation and admission decisions according to their configuration.

If an optional rule has no ; qualifier, then 0 or 1 such AVP may be ; present. This is typically accomplished by tracking the state of NAS devices. rfc 3588 diameter

The application can be an authentication application, an accounting application, or a vendor-specific application. Expiration time Specifies the time which a dynamically discovered route table entry expires. By providing explicit support for rfc 3588 diameter roaming and message routing Sections 2.


There is concept of grace time as well. Translation Agents A translation agent is a device that provides translation between two protocols e. Newer Post Older Rfc 3588 diameter Home.

Diameter (protocol)

In first go it looks quite rfc 3588 diameter, but statement is correct and well intended too. This results in a large administrative burden, and creates the temptation to reuse the RADIUS shared secret, which can result in major security vulnerabilities if the Request Authenticator is not globally and temporally unique as required in [ RADIUS ].

Since redirect agents do not receive answer messages, they cannot maintain session state. This is part of the basic protocol functionality and all stacks should support it and as such abstract from the connectivity related operations. Golan July 19, at 1: This is described in Section 5. This security protects the rfc 3588 diameter Diameter communications path from the originating Diameter node to the terminating Diameter node.

If cleared, the message is an answer. Authorization Session State Machine In Gy rfc 3588 diameter interface mostly when user’s balance is insufficient or out of balance in that scenario Credit-Control server will send Credit Re-Authorization request. Diameter agents only need to be concerned about the number of requests they send based on a single received request; retransmissions by other entities need not be tracked.

That tells which entry to use. A Peer Table rfc 3588 diameter contains the following fields: