Home Agent AAA-MSP Server Mobility Service Provider AAA-MSA Server Mobility Service Authorizer IKEv2-EAP Use Case #3: Diameter MIPV6 Application Multiple AAA-MSP can exist in the service provider network Diameter clouds can contain stateless relays Problem: Server messages (Authorizer to provider) for a session needs to pass through the same MSP in the provider network AAA-MSP Server AAA-MSP Server AAA Cloud AAA Cloud |