•2.Where is the re-authentication terminated?
–For ERP,
the re-authentication is terminated at local
ER server, not home EAP server.
–For
EAP-AKA, the re-authentication is terminated
at home EAP server, not in local domain.
–O2:The total time of EAP-AKA is
increased due to the additional round trip time
between local server and home server.