From: A fast iterative localized re-authentication protocol for UMTS-WLAN heterogeneous mobile communication networks
Authentication type
Authentication delay (DAuth)
Full authentication protocol
12 * DProp + 16 * DProc
Fast re-authentication protocol
9 * DProp + 21 * DProc
FIL re-authentication protocol
6 * DProp + 21 * DProc