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SK Telecom Proprietary 1 1x EV-DO Roaming Issues June 18, 2004 Bryan Kim kkh0623@nate.com Network R&D Center SK Telecom
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SK Telecom Proprietary 2 1x EV-DO Network Configuration 1x EV-DO Roaming Issues Action Items Table of Contents
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SK Telecom Proprietary 3 1x EV-DO Alternative Reference Model (IS-878)
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SK Telecom Proprietary 4 1x EV-DO Network Configuration (SK Telecom)
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SK Telecom Proprietary 5 AT Serving ANC/PCF Serving AN-AAA Serving AAA Serving PDSN Home AN-AAA Home AAA UATI Request UATI Assignment Session Establishment UATI Complete AT ready to exchange data on Access Stream PPP and LCP Nego CHAP Challenge - Response Access Request Access Accept (containing MN ID) Access Accept (containing MN ID) AT ready to exchange data on Packet Service Stream 1x EV-DO Roaming Call Flow (Assumption : AN-AAA Implementation)
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SK Telecom Proprietary 6 AT Serving AN/PCF Serving AN-AAA Serving AAA Serving PDSN Home AN-AAA Home AAA Transmitting packet data to internet Registration Request Registration Reply LCP configuration Req/Res CHAP Challenge CHAP Response Access Request Access Accept IPCP Configuration Req/Res Account Start 1x EV-DO Roaming Call Flow(cont.)
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SK Telecom Proprietary 7 1x EV-DO Roaming Issues □ AN-AAA Interoperability - IS-878 says “If terminal authentication is not used by an HRPD system, the MN ID that is used by the PCF on the A10/A11 interface is determined by other means beyond the scope of this specification” - Without AN-AAA in the 1x EV-DO network, it may need change in PCF or terminal and affect 1x EV-DO roaming □ 1x EV-DO PRL Update □ Terminal Interoperability
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SK Telecom Proprietary 8 Action Items □ Who want to be volunteers for trial? - Operators who implemented AN-AAA - Operators who did not implement AN-AAA
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SK Telecom Proprietary 9 June 18, 2004 Bryan Kim kkh0623@nate.com Network R&D Center SK Telecom Questions & Answers
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