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Packet Data Network Authentication in CDMA2000 using PANA Authentication in CDMA2000 for packet data access is based on multi-layer authentication Cellular systems’ authentication for device authentication In addition, higher layer authentication is performed for user authentication (via PPP and Mobile IP) PANA can be used for authentication in the case of Simple IP service in lieu of PPP Becomes even more compelling if PPP is substituted by some other protocol for carrying IP |