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Diameter Authentication Process


SBR Carrier uses EAP-AKA and EAP-AKA’ protocols to perform Diameter authentication. SBR Carrier receives Access-Requests from non-3GPP network elements and forwards them to HSS for validation. The HSS returns the authentication vectors for the particular subscriber to the 3GPP AAA module, which in turn initiates a challenge handshake. Once the challenge handshake is successful, authentication is successful.