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Interworking between PPP CHAP and RADIUS Authentication Server on GPRS Network  

박정현 (한국전자통신연구원)
이상호 (충북대학교 컴퓨터과학과)
Publication Information
Journal of KIISE:Computing Practices and Letters / v.9, no.5, 2003 , pp. 567-577 More about this Journal
Abstract
We usually applied PPP CHAP (Point-to-Point Protocol Challenge Handshake Authentication Protocol) when the visited ISP subscriber accesses to authentication server in own home ISP network and IP Assignment for remote Internet service. But PPP CHAP doesn't support in case of visited ISP subscriber in GPRS network accesses to authentication server in own home ISP network for wireless Internet service. We suggest solution this problem with PPP CHAP improvement. For this we propose the modified PPP CHAP message format, PCO Message format at MT, and interworking message and format between GGSN and RADIUS in home ISP network for wireless internet service of mobile ISP subscriber at GPRS network in this paper. We also show authentication results when visited mobile ISP subscriber via PPP CHAP at GPRS network accesses the RADIUS server in home ISP network.
Keywords
PPP; CHAP; RADIUS; GGSN; Authentication Server; PPP; CHAP; RADIUS; GPRS (General Packet Radio Service); GGSN (Gateway GPRS Support Node);
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  • Reference
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5 R. Droms, 'Dynamic Host Configuration Protocol (DHCP),' RFC 2131, March 1997
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