Diameter rfc 3588

Diameter Command Naming Conventions Diameter command names typically includes one or more English words followed by the verb Request or Answer. End-to-end security policies include: The absence of a particular option may be denoted with a '! Used to extract the identity and realm of a user.

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Since redirect agents do not receive answer messages, they cannot maintain session state. Maintaining session state MAY be useful in certain applications, such as: Relaying of Diameter messages The example provided in Figure 2 depicts a request diameyer from NAS, which is an access device, for the user bob example.

DIAMETER - The Wireshark Wiki

The "ip" keyword means any protocol will match. The identifier MUST remain locally unique for a period of at least 4 minutes, even across reboots. Therefore, each connection is authenticated, replay and dizmeter protected and confidential on a per-packet basis. A stateful agent is one that maintains session state information; by keeping track of all authorized active sessions.

This field is used to detect duplicate messages.

Messages with the "E" bit set are commonly referred to as error messages. NAI realm names 35888 required to be unique, and are piggybacked on the administration of the DNS namespace. Here there are two: For example, administrators within the home realm may not wish to honor requests that have been routed through an untrusted realm.

Diameter (protocol) - Wikipedia

The circumstances requiring the use of end-to-end security are determined by policy on each of the peers. If set, the message MAY be proxied, relayed or redirected. Only this exact IP number will match the rule. This scenario is advantageous since it does not require that the consortium provide routing updates to its rgc when changes are made to a member's infrastructure.

End to End ID. Messages with the 'E'. End-to-End Security Framework End-to-end security services include confidentiality and message origin authentication. A Diameter node that provides either relay, proxy, redirect or translation services.

Application-ID Application-ID is four octets and is used to identify to which application the message is applicable for. The example provided in Figure 3 depicts a request issued from the access device, NAS, for the user bob example. A Diameter Server is one that handles authentication, authorization and accounting requests for a particular realm.

Diameter (protocol)

A host process that implements the Diameter protocol, and acts either as a Client, Agent or Server. Upon reboot implementations MAY set the high order 12 bits to contain the low order 12 bits of current time, and the low order 20 bits to a random value.

Application-ID is used to identify for which Diameter application the message is applicable. An administrative domain MAY act as a local realm for certain users, while being a home realm for others. 358

The following is a definition of a fictitious command code: Each packet is evaluated once. The Hop-by-Hop identifier is normally a monotonically increasing number, whose start value was diwmeter generated. Some common Diameter commands defined in the protocol base and applications are:.

Diameter AVPs Diameter AVPs carry specific authentication, accounting, authorization, routing and security information as well as configuration details for the request and reply. By using this site, you agree to the Terms of Use and Privacy Policy.

Translation Agents A translation agent is a device that provides translation between two protocols e.

The diwmeter of a particular flag may be denoted with a '!

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