What is Application ID in diameter protocol?
A class that represents the Diameter application ID. This ID is used by the Diameter protocol for routing messages to the appropriate application. The ApplicationId corresponds to one of the Auth-Application-Id, Acct-Application-Id, or Vendor-Specific-Application-Id AVPs contained in a Diameter message.
What is Diameter application?
Diameter is an authentication, authorization, and accounting protocol for computer networks. Diameter Applications extend the base protocol by adding new commands and/or attributes, such as those for use with the Extensible Authentication Protocol (EAP).
What is Diameter protocol in LTE?
The Diameter Protocol provides authentication, authorization, and accounting (AAA) messaging services for network access and data mobility applications in 3G, IP Multimedia Systems (IMS), and LTE/4G networks.
What is vendor-ID in Diameter?
Vendor-Id AVP ( 266 ) The Vendor-Id AVP contains the IANA “SMI Network Management Private Enterprise Codes” value assigned to the vendor of the Diameter application.
What is CER and CEA?
The capabilities exchange message sequence, CER/CEA, is standard Diameter messaging used as a means of correlating client capabilities with server services. The CER message is used to discover peer’s identity and exchange capabilities, including applications supported, vendor-Id and device addressing information.
What is a Diameter AVP?
Diameter AVPs are the basic unit inside the Diameter message that carries the Data(Authentication Data , Security Data , Data pertaining to Application etc). There must be at least one AVP inside Diameter message.
Is diameter used in 5G?
The Diameter protocol is the bedrock of LTE and 5G NSA networks. And, because Diameter helps advance DNS security by tracking which services and resources are used, it enables globalised cloud communities of subscribers, as well as the IoT, seamlessly.
Where is diameter commonly used now?
A variety of LTE and IMS network functions make use of Diameter, including the Policy and Charging Rules Function (PCRF), Home Subscriber Server (HSS) and Online Charging System (OCS) elements.
Why is diameter used?
Diameter is used to authenticate, authorize and provide accurate billing information for those sessions.
What is a diameter AVP?
What is cer message?
Peer share their capabilities by CER/CEA Message (Capability-Exchange-Request/Capability-Exchange-Answer).
What is AVP code?
AVP Code (4-bytes) The AVP Code, combined with the Vendor-Id field, identifies the attribute uniquely. AVP numbers 256 and above are used for Diameter, which are allocated by IANA. AVP numbers 1 through 255 are reserved for backward compatibility with RADIUS, without setting the Vendor-Id. field.