name: RRQ
full_form: MIPv4 Registration Request
context: NOTE: this subsection applies only to MIPv4. MN-HA key generation & distribution based on RFC 3957. This method uses pre-shared secret between MS and AAA server to establish a shared secret between MS and HA and / or MS and FA. Figure 2: MN-HA key generation & distribution 1. During initial MIPv4 registration, MS includes a new extension (called the MN-HA Key Generation Nonce Request extension [RFC 3957]) in RRQ to request for a nonce from HAAA. The RRQ also contains the MSâs credential in the MN-AAA authenticator extension. 2. FA sends DIAMETER/RADIUS Access-Request to HAAA to authenticate the MS credential. 3. If the MS is authenticated successfully, the HAAA returns DIAMETER/RADIUS Access-Accept. 4. FA forwards the RRQ to the HA. NOTE: If co-located care-of address mode is used, then RRQ message will be sent from MS to HA directly without FA in above picture 5. HA sends DIAMETER/RADIUS Access-Request to HAAA. In case of Roaming, the message will send through VAAA to HAAA. The
description: A Registration Request (RRQ) is a type of message used in Mobile IPv4 (MIPv4) for initial registration. It includes a new extension called the MN-HA Key Generation Nonce Request extension to request a nonce from HAAA.
explanation: The text describes RRQ as a 'type of message' used in MIPv4 registration, highlighting its role in communication and data exchange within the mobile IP protocol.
section_title: 7.3.2	RFC3957 used in conjunction with GBA
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