• The KIPS Transactions:PartD
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• v.12D no.1 s.97
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• pp.121-128
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• 2005

This paper describes the requested IP assignment and authentication problem for wireless internet service of visited ISP subscriber on GPRS network, and proposes to use RADIUS authentication and accounting server for these problems. In this paper, we also define signals between GGSN and RADIUS, and between RADIUS authentication server and accounting sever for IP management and wireless internet service.