Architecture +------------------------------+ +-----+ | +-----+ +---------------+ | +---------------+ | | | | | | | | | | | PaC +---+--+ PAA +--+ RADIUS client |--+-----+ RADIUS server | | | | | | | | | | | +-----+ | +-----+ +---------------+ | +---------------+ | Network Access Server(NAS) | +------------------------------+ Simplifications: No RADIUS Proxy Chains EAP Authentication Server is collocated with RADIUS server NAS consists of PAA; RADIUS client; and PEP. |