Method and system for providing backward compatibility between protocol for carrying authentication for network access (PANA) and point-to-point protocol (PPP) in a packet data network

摘要

The invention relates to a method and a base station controller (BSC) for providing network access to mobile terminals (MTs) in a packet data network that uses Protocol for Carrying Authentication for Network Access (PANA) and Point-to-Point Protocol (PPP) simultaneously. The method performs at the BSC a selection algorithm at the BSC for selecting from a first list of IP addresses of PANA capable PDSNs and a second list of point-to-point protocol (PPP) capable PDSNs a PDSN for serving the MT. The selection algorithm is based on a MT PANA capability indicator previously received at the BSC.